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Canadian Electrical Code Review Guide
, @5 B; f" |1 j. J) x3 dFor the Exam of Electrician For Red Seal License. G$ ?1 H7 C6 }
' k R" [! ^- { A7 N7 ~6 H+ iLesson One$ Q7 Y& K( p& @9 r- S
Section 0 DEFINITIONS
- h! \" l" w7 j4 u. M9 r# JThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:8 X5 m8 r4 N: A4 h$ \+ @
Accessible as applied to wiring methods
% K6 }7 j0 F* @) w" i; vAlive or live. _6 |; O* e3 X/ l
Aluminum-sheathed cable z- u. y" ~& C4 a3 Z# a* |
Ampacity
$ K$ B5 g) k5 C+ i; a+ H6 ]7 A" t2 |. lAuthorized person w- l, r. [- }5 Y9 d
Auxiliary gutter! {/ b) X* n6 m- ?; i, [8 N+ }
AWG
3 r% V& Q- E8 }/ aBonding- s* |9 J% L+ ?0 m$ K( c
Cable tray
3 Q7 I4 i, g6 S/ I2 SCellular floor
/ O* }+ C% a1 ?! [/ FBranch circuit
* u& T+ b2 w: w: w7 |/ G- z4 bBus- _+ {0 F/ ~; l+ [, E+ v
Busway' V/ n `/ n+ c. ?- y
Communication circuit
; [3 ~/ r* P" t, o ?Extra-low-voltage power circuit6 p1 P, |* V* u- a3 ^' Y
Low-energy power circuit% C( L$ g8 ]8 I) E
Multi-wire branch circuit
8 a0 B* v# q# ^, n! R. mRemote control circuit
" \( o+ f8 `+ g! qSignal circuit
N6 T) [# Y4 ?, i: m- i, W$ ^7 h6 gCircuit breaker
8 u3 V- f2 `' h. R, W% AInstantaneous-trip circuit breaker2 ]/ J7 E3 v K- S9 g9 Y# r5 o
Conductor9 p0 e9 n' x* L6 H6 ~0 C
Conduit8 _# Y& J" a4 n x! C8 n' X
Flexible metal conduit v; }& i4 ?, z7 j0 r1 A; W
Liquid-tight flexible conduit7 W& h7 N1 T- o* B5 Y' B1 `
Rigid conduit9 {8 j9 K2 a k* h& }
Rigid metal conduit; E/ t$ Z% F1 i
Rigid nonmetallic conduit) W) D3 U8 \. J' ^* @$ e$ Z
Rigid PVC conduit
) d. P. a# V0 X7 [- v/ A! t; m( B6 XConnector
4 c1 \0 n& t* Z% j Box connector( D& k: E$ C: A+ E. ]
Wire connector6 a m, p! Y/ [. n0 P; \/ C8 N1 m
Controller
9 @# x- ?. D6 Q7 f9 [. [Disconnecting means L: ]2 A) r( U, U
Dust-tight$ }' [8 b" V5 R0 E
Dwelling unit! F3 J6 T" k K1 x
Electrical contractor: H$ J5 a9 [0 E( y; ?) i8 _( x: h
Electrical metallic tubing! l" U1 Z/ I+ Y- {( `; D( N
Electrical nonmetallic tubing
" q0 c P# d9 E" P: [% OEmergency lighting
( }: x3 x* R p& Q8 Q; @. UExplosion-proof
5 M3 C" i' ]( @. K1 G+ L2 UExtra-low-voltage power circuit
: C0 j. O9 e( W2 H8 N* MFeeder q. H: ]5 z' ?2 t* ^
Flexible metal conduit9 y1 l9 `# f6 p0 o1 Y, R- P7 S9 W. J1 q: r
Ground
1 p5 q0 N' p _/ v6 a: JGround fault circuit interrupter7 m* W+ C$ \1 F6 Z
Grounded" I+ @" A8 T8 Y3 [. [+ R. C; J `* F1 A
Grounding! ]/ O) T, z5 @) F# X D) j
Grounding conductor- I& Y. V8 U" Y6 w, u
Grounding electrode
& b7 K3 a) c: q4 TGuarded+ R, U8 u- H6 _! Q$ ?# \9 }
Hoistway. t: a% o$ j5 Z
Identified
7 q- T* u' S' _Lampholder
! _. k& X. L9 I) ~0 V: r( wLow-voltage protection1 \# t% I6 K+ P# b- x' f* S2 E6 L
Low-voltage release
8 x) H/ \# v6 b( e. `* yNeutral
- \8 }( h5 k; n% uNoncombustible construction
4 I4 [. [. R& Z$ }Outlet
6 r1 M, x* S0 x h& |Outline lighting) n' N) H) G9 F9 \. n
Over current device
, H- C8 M5 n1 C$ _: Q9 ?Overload device9 w7 ]% i4 v6 D; v. I
Panel board
2 }3 f# Z+ W6 Y1 e" |Panelboard, enclosed. D: k9 P, E4 ~; p1 Z
Permanently connected equipment$ P) H/ I. Z( _" f p; y! g
Permit
+ K" c9 W2 J* v) W- RPlenum
- X4 }9 }- l' v8 ]5 A- f$ QPortable as applied to electrical equipment
& x9 C5 C% E% M; RPortable ground fault circuit interrupter4 J4 _8 W& e+ \7 e5 u9 Y+ S) q
Power supply cord4 ^6 { x$ F0 A/ ^+ e! Y/ y
Raceway1 C& N. h; B- ~/ b: [1 @) V2 p
Receptacle/ b0 c0 E, w, s/ E* | z4 Z
Duplex receptacle
: N* v5 h% t$ N( n& D Single receptacle
3 t9 e2 c1 d7 X% j Split receptacle* z1 [$ V8 x& B8 v) t! d
Service, consumer‘s- f. T& V5 M7 w9 x% E& ? t
Service, supply
8 G2 l+ C" L3 l4 A- O/ {, sService box
# J$ e, X* l5 mService room- P4 Z+ }+ C6 e$ W3 b/ w
Single-dwelling
8 H5 U% h% J! K* BSlow-burning as applied to conductor insulation
) Z5 ~: E+ m8 U* `Splitter
4 _7 A" X( M' x8 MStarter
2 ~2 f# {6 @8 L" t" iSwitch7 z8 x5 n' f9 n+ M8 e# A
General-use switch0 C) S% K# @! o4 A
Indicating switch4 u* ^: u3 W2 Y0 C
Isolating switch
/ p. u0 T$ s4 }( }/ [ f) Q* I) N8 v Motor-circuit switch
% k$ n' M( S; zSystem
6 n2 C6 z% x. q' i Communication system% _2 `! U1 i% r4 T8 V# V. W5 r6 e
Community antenna distribution system(CATV)
. x: {- d) C6 W7 b1 q Grounding system
# p' A F( p3 v$ O" p; W3 _1 TUnderfloor raceway# p2 r1 h7 R/ Q+ S! h
Voltage:
/ C3 d, n# O9 S X( H5 R Extra-low voltage
: l: z5 C0 v2 o) k" i High voltage" q& `# v6 ~# C, B7 O" @
Low voltage
9 Z6 f' F% t2 s0 [& P6 U8 sVoltage of a circuit6 t, C% n& Y9 f% }' u& l0 y1 t
Voltage-to-ground
5 D9 c( z: a4 F1 } A: w( Q" TWireway
: H5 h6 v& N7 A- i- Z _( Z2 q
. g1 S4 h! k# t2 zSection 2 GENERAL RULES* l9 G% z) v R# r1 ]1 n d7 J0 @+ u8 k
Administrative. R% ~. z& a" ^. c3 k- }
2-018 Reconnection) t6 f7 E6 |3 w9 p
2-030 Deviation or Postponement. A9 W) L5 J+ h- j6 a
Technical General: X: t r- f8 N; e6 K; P% c( r. P
2-106 Circuit Voltage-to-Ground – Dwelling units
4 s# b) H0 T, ]8 n$ h2 p2-114 Soldering Fluxes
+ ]2 A8 T6 g4 \4 b5 Y2-116 AWG Sizes of conductors
/ n% w3 E0 u& q2-124 Fire spread (see Appendices B and G)
5 ~' }5 ?; ~- z( c5 {9 U2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)' V1 o( u3 u/ e1 A& z' ]1 `
Protection of Persons and Property
5 S" ?) |* p7 T }+ ~+ w2-202 Guarding of Bare Live Parts8 W) G, R8 w/ ^# \, g
Maintenance and Operation
) A2 [" \ R6 M! ^' |% l2-304 Disconnection
& z1 R& A* C. F: m7 j1 M8 T: @ ~2-306 Maintenance of Live Equipment x J5 r5 t d$ p: U
N 2-306 Shock and flash protection (see Appendix B)
' `( t; s: H x2-308 Working Space About Electrical Equipment: Table-56 @& E+ \; P! b5 F
2-310 Entrance to, and Exit from, Working Space
0 ^, N6 \4 P# c- ?8 Z" T$ i3 D+ p2-320 Drainage
" O0 q. ^9 Q2 h2-322 Electrical Equipment near combustible Gas Meters and other Devices) `# F6 f! b( B1 a! s
Enclosures
4 u6 p! w, C% b. w! {/ V- b2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
3 N2 J/ c9 ]) W- M9 A0 b2-404 Marking of Motors: DP, WP, TE$ S8 f4 j' h5 |8 t }2 |0 U) i
5 L. Y8 Y; _( ^# q6 X5 zSection 4 Conductors r+ \( a6 X$ i I* e0 A
4-000 Scope% m" Z) y" f2 O3 e. W. j
4-002 Size of Conductors: 14#, 12#
& ?' y6 ]' I9 C6 P p" `4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
8 q& Q! r" Z8 q9 O9 m4-006 Insulated Conductors: Table 19
0 ]& {- \$ C: p. U4-010 Uses of Flexible Cord: Table 114 X6 S9 H$ p+ l& A% g2 C% ]" }/ z$ [$ d
4-012 Sizes of Flexible Cord% W. S& O: E! W3 j' }& Q0 b6 B' P( s
4-014 Ampacity of Flexible Cords: Table 12 N1 L1 K% A7 A; S( G; A
4-018 Equipment Wire
/ L w0 A% _, ~ \: R ^& m4-020 Insulation of Neutral Conductors j x( d/ v( M/ z9 \/ |
4-022 Size of Neutral conductor
1 l" j" _. X8 y5 `4-024 Common Neutral Conductor; ^+ v* a9 w4 e8 m4 h
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
& {/ S- v& i1 w3 h2 w4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
0 X7 R& W& F2 G7 k! w/ |4-032 Identification of Type MI Neutral Conductors
3 O) Q. c0 N, m+ A) b# Y! e4-034 Use of Identified Conductors
( X6 V/ D* Y: P4-036 Colour of Conductors: Phase A, B, C, …1 m. G- w# X4 ~5 v2 j
$ Z6 B& _7 k9 F. O, USection 6 Services and Service Equipment! @- @* y: v2 ^7 n6 B2 t' G) p' ~
General w( g) X7 Z/ z& g0 F
6-102 Number of Supply Services Permitted
( v. F4 G7 _/ ]6 ^" M3 x; \6-104 Number of Consumer’s Services Permitted in or on a Building
; I2 u6 e. `# K% e& W6-108 Supply Service from an Electric Railway System
3 r! Y8 W8 x& q+ J1 t0 B5 ~9 n6-110 Three-wire Consumer’s Services / k. ~' L% K8 j* K
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors% A9 N' Y" C) ~, C0 w
6-114 Methods of terminating conductors at consumer’s service
1 Z+ S6 F. C3 ^" R' @6-116 Consumer’s Service Head Location% l# v9 e. u6 v0 b* y
Control and Protective Equipment. m$ [6 I% ^2 Y7 z) R# Z8 R
6-200 Service Equipment
( M7 e6 [) e( [/ J6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)8 I& c& F ?. g; c/ \; b
6-208 Consumer’s Service Conductors Location
" o5 ~& C) h5 [; h6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches) J) i0 U$ \- l* T/ o* c G% U
6-212 Wiring Space in Enclosures6 X' `! I8 O$ D, k- }, b( I
6-214 Marking of Service Boxes
% ?: `2 |/ h4 @! ~7 b' RWiring Methods
6 l# K0 j2 h" m+ y4 [* [ k6-300 Underground Consumer’s Services
$ q3 j D7 s4 C' F9 z- d" \ C. h1 l6-302 Overhead Consumer’s Service Conductors
$ g! w0 I0 E+ d1 b' n6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable+ C6 m( G l! v5 e" j# J
6-306 Consumer’s Service Raceways& |* H1 N0 z3 A* ]" E2 b1 |0 Q
6-308 Use of Bare Neutral in Consumer’s Service: q8 k, q3 ?7 ~1 ~# F, R
6-310 Use of Joints in Consumer’s Service Neutral Conductors
3 a* N' z, k+ g/ t& a6-312 Condensation in Consumer’s Service Raceway" q8 e: J0 a2 F% R2 H
Metering Equipment0 Y' Z$ h; D8 M3 I
6-400 Metering Equipment, U- [8 n( \7 \: s& K, D
6-402 Method of Installing Meter Loops
5 v: i- Y5 H% {4 X7 f6-404 Enclosures for Instrument Transformers' y8 `/ h+ R# G) A2 x( O, ~* N5 n
6-408 Location of Meters) w# S6 t8 b; I7 G+ ?) d, R# w
+ ^. E Y" T1 f$ i4 o o
Section 8 Circuit Loading and Demand Factors8 Q5 p& B$ M6 l$ l
General
. V2 q; E# N0 H1 T# y+ X& ]0 C; X8-100 Current Calculations8 U6 c3 c+ v8 T( f& g/ L" @
8-102 Voltage Drop ( see Appendix D)7 T! M8 C& a, m9 A4 i4 ]9 K% d
8-104 Maximum Circuit Loading
( S% d5 g3 u& y, K8-108 Number of Branch Circuit Positions) m, F5 d. y# Y6 l& ?& d9 T8 O
8-110 Determination of Areas
' {/ j& v! p# OServices and Feeders( d' d% \, d5 ?2 x
8-200 Single Dwellings (see Appendix B)" Y- E7 T; Q& q+ n- m
8-202 Apartment and Similar Buildings
/ I0 F7 \, b1 G6 x8-204 Schools
9 U/ L! K& T9 E5 J+ O: D2 L! s/ X8-206 Hospitals: |# d3 T3 \7 D) Z/ z6 T! p
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy; t) j) A4 n! y& N+ Y, o$ F
8-210 Other Types of Occupancy (Table 14)2 [8 G2 l( _( Y0 J# U+ ?& X; g+ T
8-212 Special Lighting Circuits, f5 W- @6 T9 Y$ D5 |' v7 }
Branch Circuits U; H- r! f% f& |% ?- A# Q4 p
8-300 Branch Circuits Supplying Electric Ranges1 v3 J0 G( |$ X: k( T' u
8-302 Connected Loads$ L1 Z7 z- {9 ^3 C
6 T- I3 H0 O+ L$ c. Q! E/ O+ fSection 10 Grounding and Bonding; G' b5 l! \. X
Scope and Object
3 c& `9 e5 }& f; |. ^' [10-002 Object
! `" g3 _& c$ H. cSystem and Circuit Grounding
, q' z5 G( }# Z8 y10-102 Two-Wire Direct-Current Systems
1 a; [- d2 ?6 }9 R10-104 Three-Wire Direct-Current Systems
& }4 C! b5 M4 X- \6 m& R10-106 Alternating-Current Systems0 p V R. W' u
10-110 Electric Crane Circuits
9 j3 q% S4 A7 A, h. N9 T2 q* Z10-114 Circuits of Less Than 50 V1 X7 e( g* O5 |3 j' F3 g
10-116 Instrument Transformer Circuits
6 s! A8 ^! `' s% tGrounding Connections for Systems and Circuits
0 N! E+ V, J+ d# y6 ^) M10-200 Current Over Grounding and Bonding Conductors' A/ F6 H' g' S- ~' v* W
10-204 Grounding Connections for Alternating-Current Systems4 V, i, L% R7 x3 N$ l4 l
10-206 Grounding Connections for Isolated Systems
a+ i4 g& F- ?2 M10-210 Conductor to be Grounded
9 G! \ d5 G+ i9 `: j4 D- |& TConductor Enclosure Bonding. A/ e8 j6 `7 [" x+ y9 `9 C
10-302 Other Conductor Enclosures3 {( R. E5 F `4 i; b( f2 n3 f& P
N 10-304
1 H/ H4 S W8 V& }' ?3 d4 [Equipment Bonding
/ o& e# b+ H( r4 e10-400 Fixed Equipment, General7 n& R& g' ?. ?& g
10-402 Fixed Equipment, Specific (3), (4)# B+ Z! E; V6 s7 Z, m7 t
10-404 In Nonmetallic Wiring Systems5 s2 m& n, ~0 x g* `1 ]" n
10-406 Non-electrical Equipment7 T$ ^3 H, r, z( C
10-408 Portable Equipment (4)(b)
! U+ Y' \0 G# C10-410 Instrument Transformer Cases. c3 b8 O8 |4 d% d' C. n
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less. m( K7 B7 R% c$ T$ N" m* L
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
% v1 r* N, E% y3 c2 r8 i" SMethods of Grounding. N6 L) c2 F0 A' R
10-500 Effective grounding (see Appendix B)
- y2 I; C* s1 ~& i$ h- H2 G, {10-502 Common grounding conductors: O" h. J. o6 G. J$ v, a
10-504 Common grounding electrodes
- s* \/ s7 X- ]' U7 I- p+ O' ZBonding Methods' L: c: C+ D5 N2 L3 }
10-600 Clean Surfaces
# v( D9 r" g& ?/ l, I1 \. x/ ]10-604 Bonding at Service Equipment/ k: M X5 L+ T
10-606 Means of Assuring Continuity at Service Equipment
, F7 K x7 l! c; `4 t3 k8 C( n10-610 Bonding at Other Than Service Equipment
3 }" u3 f/ h+ i0 `0 k- _; R10-612 Loosely Jointed Metal Raceways
* z0 t4 v/ ?- ?: t% U3 j10-614 Bonding Jumpers Table 41
- L! }5 @. k; c: BGrounding Electrodes
" A- r2 T/ z4 S5 U. I$ _10-700 Grounding Electrodes
# W1 [ S1 e: v* w) _. k4 b+ v& _10-702 Artificial Grounding Electrodes
) d$ K0 Y) z p/ L* IN 10-700 & 10-702
2 V: ~8 z( T y+ `& @6 ^$ L% u10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G), F# B+ m+ S) l9 t0 h
N 10-7024 X- i3 F; D4 z: Y8 l# J( a( T
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding* F. e3 y9 g7 H# V% u/ Q
N 10-7021 L" M% a, }0 ~4 ]9 n `( f+ k1 k# t v
10-710 Use of Lightning Rods (Appendices B and G)
) ]3 r( g6 N; U; LN 10-706
r! F3 Y7 R' v& |6 N) \Grounding and Bonding Conductors
t( Y' g& e; e, D* {, h. A10-800 Continuity of Grounding and Bonding Conductors) l# S) E, x- {7 ~. X6 F& i
10-802 Material for System Grounding Conductors( p4 z- U8 t) T# u: {
10-804 Material for Bonding Conductors
& S9 z0 Q b3 ~1 \. c10-806 Installation of System Grounding Conductors0 R" ?/ l3 h1 e$ a* f7 f1 s
10-808 Installation of Equipment Bonding Conductors0 ]! t0 }* j; ]5 G
10-810 Grounding Conductor Size for DC Circuits# c* M% U- p& q8 _
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
/ {8 A( X" R/ ?6 C10-814 Bonding Conductor Size (Appendix B)
3 S! o/ p# e8 B/ Q# [& @$ M( S! y/ {10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment" s# t" |$ z8 c! T3 ~/ y; K/ |
10-818 Bonding Conductor for Outline Lighting; l9 W4 b0 L# F3 G. c, a( U
10-820 Bonding Conductor Size for Instrument Transformers
: Y" h6 _, r& Y; {$ V8 f pGrounding and Bonding Conductor Connections
9 B' g1 z$ h% M2 M$ [10-902 Grounding Conduct Connection to Water Pipe Electrodes8 Q: P2 t- l4 l" c5 J) s" e
10-906 Bonding conductor connection to circuits and equipment
& w4 U% P$ Y0 f* }9 I5 m10-908 Grounding Conductor Connection to Electrodes
" B6 Y6 t, [7 B; h& t, ]Lightning Arresters$ z/ u. a' E$ [9 ^- A: i$ s! H
10-1000 Lightning Arresters on Secondary Services – 750V or Less2 a) d! w5 r8 |: p* I
" I( _# l. J- i7 \* MSection 12 – Wiring Methods
1 z! q" w3 ?, Z T7 VScope' W9 k: g* N" V, f. z
12-000 Scope (Appendix B)) ]1 M9 C' R* _8 C& K
General Requirement+ o# s1 i/ ]. I/ C: V
12-010 Wiring in Ducts and Plenum Chambers: x% v( _: z' M, ?7 L& y- S
12-012 Underground Installations (Appendix B)4 d, V2 r; S6 [ l& T& R% `
12-016 Lightning Rod Conductors
) ]1 ]* L; w2 R, P( x5 Q kConductors - General
& ~4 Y, i- g: H6 E8 ^12-100 Types of Conductors (Appendix B) Table 19# d+ ^ v: \4 A) x8 z
12-102 Thermoplastic-Insulated Conductors' V3 C0 a; y- x8 B
12-104 Flame Tested Coverings
2 } d1 R. {: Z0 p# x& }12-106 Multi- and Single- Conductor Cables2 ]& ]9 D* M5 ]2 k
12-108 Conductors in Parallel (Appendix B)& S3 Q8 w L8 I' J, p( s; R
12-112 Conductor Joints and Splices5 g1 v5 `- D- z3 K5 t0 ]
12-114 Ends of insulated conductors
& [7 C: x) F1 ~) i1 w2 d8 G12-116 Termination of Conductors (Appendix B)
( l) p/ L2 r H9 P6 H |12-118 Termination and Splicing of Aluminum Conductors
( T* v$ S" L- i, J: H( h' V- V12-120 Supporting of Conductors - Table 21
' S3 ~# P8 W) J3 a# z/ O MOpen Wiring" w+ E" W. b( j, s
12-204 Spacing of Conductors6 r3 N: v! Q3 i {2 S
12-206 Conductor Supports
/ B, \: Y+ s) D$ ~1 ~% {( k12-208 Conductors on Flat Surfaces
3 o( \4 t# B, R7 z/ [' G12-212 Protection from Mechanical Injury$ @. V. o" r1 _3 ^/ L) s; x
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
" F7 e. l+ m' X( O) ?$ r! d2 \! @12-308 Minimum Size of Overhead Conductors
* E! I7 o0 c; K$ Q B12-318 Use of Neutral Supported Cables
$ C! E# h3 S8 g: ZNonmetallic Sheathed Cable
2 K4 E* C4 c8 q1 `7 G6 O+ o; O12-502 Maximum Voltage
- m; {% o* Q3 h4 w5 H* a12-510 Running of cable between Boxes and Fittings (Appendix G)
( H$ B. ^. d. @3 F- O! ^/ w$ j1 Y12-514 Protection on joists and rafters
5 w5 d; a; B; D g4 k L+ l12-516 Protection for Cable in Concealed Installations (Appendix G)
$ n! S3 \+ |3 x* L5 a- M; V12-522 Where Outlet Boxes Are Not Required
6 b8 f5 y4 K7 C! ?* vArmoured Cable
) M" y" {2 r- R# z12-602 Use (Appendix B)
4 w; c& r, |' l- v* f8 p t. r12-604 Protection for Armoured Cables in Lanes: X% R2 R7 m+ E$ |( L A& j; f
12-606 Use of Thermoplastic Covered Armoured Cable: P" M, W5 A1 }9 W5 a5 Q
12-608 Continuity of Armoured Cable( _) ^- Z% K% L7 ?1 `+ r& b
12-610 Terminating Armoured Cable
# s7 c3 l' N) u12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
5 _: ?2 {8 S- r% L" `" ?! ]; A12-614 Radii of Bends in Armoured Cables% ^8 E/ Z) |5 ~2 i2 T* o; W; \
12-616 Concealed Armoured Cable Installation
; }8 R/ q, T4 j12-618 Running of Cable between Boxes, Etc* b- j1 S F5 {# B4 I& H" k
Mineral-Insulated and Aluminum-Sheathed Cable
k, c1 ^; F( K& L12-702 Use
/ M% v# R9 {" W3 ^0 v, d12-704 Use When Embedded
$ v: e& d+ u1 z+ a# {5 X1 _- {12-706 Method of Supporting- |5 _! m3 a. M) @5 T; S1 W6 f# P
12-708 Direct Earth Burial( M# Z8 O5 W* I3 g: s( Z2 S
12-710 Mechanical Protection
# q0 l& }; w3 g j) l9 E3 i8 R4 J/ g- F12-712 Radii of Bends" X6 W1 ~; Z* C$ R
12-714 Termination of Mineral-Insulated Cable (Appendix B)
5 l; u$ D( I' g; d8 ]3 J- j* G7 o12-716 Connection to Other Forms of Wiring
$ J* f) g, L8 A3 KFlat Conductor Cable Type FCC% I- ^) ~; W. b/ @; G* g' k
12-804 Use Permitted) r( a3 g% l* G( Q
12-806 Use Prohibited
4 k9 U! G0 ^/ ~; x6 ~* C" a& S# ^12-818 Anchoring( X) M+ w" h& C$ ~/ _% H9 P: U
12-820 Crossings
' l; ]: t+ W3 }9 h' f; ORaceways - General# x) b1 b( g" U" [! Y* U
12-904 Conductors in Raceways
4 h; k7 Y# ~: g4 W12-906 Protection of Conductors at Ends of Raceways
. I1 B5 M" G& `% h12-908 Inserting Conductors in Raceways6 f ?1 k2 ~1 G( t& b
12-910 Joints or Splices Within Raceways# o; {4 s* G7 P5 [
12-912 Stranding of Conductors5 C4 S2 b9 B Q- r% ]% ]
12-914 Electrical Continuity of Raceways5 Y: I" v* Y+ ], l& E8 Q) n% a
12-922 Radii of Bends in Raceways
: @! n) N9 p s) |4 y' A5 NN 12-922 Radii of Bends in Raceways Table 7
0 ]/ O" n G, _0 [1 F12-932 Protection for Raceways in Lanes
& b+ Y4 e4 d$ V v: b: U; w12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
6 L$ F1 \7 s. G4 j2 P; _12-938 Capping of Unused Raceways
( H* h0 Y8 J) r9 A- L3 l0 H! q6 R12-940 Maximum Number of Bends in Raceways
: G- U( S' m m0 I* m/ jRigid and Flexible Metal Conduit
+ n6 n1 v$ R: e; n" R' ~12-1002 Use1 B3 g4 z0 E4 f* C! h0 k' f8 s
12-1004 Minimum Size of Conduits/ e: R, E) ]0 }7 H% k# U% X
12-1006 Conduit Threads (Appendix B) H g# p5 J+ m( I
12-1008 Thread Engagement
4 q) N6 l: x* b% L5 F12-1010 Maximum Spacing of Conduit Supports% w* [6 _9 ?" r5 q
12-1012 Expansion and Contraction of Conduits (Appendix B)
+ t6 ^! A3 u% E5 |+ f12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 1 u: H% E9 g% v7 u
Rigid PVC Conduit and Rigid HFT Conduit8 e, a& v: S1 Y. K
12-1100 Use
, L, y( `* l' t+ }# s12-1102 Restrictions on Use# G& w" W" a9 g' c( M5 K
12-1104 Temperature Limitations (Appendix B)* s1 H+ `& v# O2 F% Y2 L' g$ n5 T
12-1108 Field Bends (Appendix B), (2)# X5 ^/ ~; j! o9 o/ B8 K- C
12-1110 Support of Luminaires5 ]5 @' D- d! v. H) R, R( \0 x
12-1112 Fittings
! H$ t# T6 v: E$ S( V) r9 ~* l12-1114 Maximum Spacing of Conduit Supports# Q& x. g9 ]# {; o: _* B. o
12-1116 Support of Equipment. @2 A1 }' q8 D$ y9 M2 O' N
12-1118 Expansion Joints (Appendix B example)4 q, ~5 X& p0 Q3 Q) I7 h& T
Rigid RTRC Conduit0 S V; n. L( C7 u
12-1210 Temperature Limitations
! O" j' {, A+ W U1 X12-1214 Expansion Joints (Appendix B)
' Y2 ?# u3 ?7 K, L1 l6 BLiquid-Tight Flexible Conduit, b, b+ `5 a- N( g
12-1302 Use of Liquid-Tight Flexible Conduit) n) D9 ]' @. m- m9 [
12-1304 Maximum Number of Conductors
K; a; f& o/ w: K. \# e' H12-1306 Provisions for Bonding: ~& j4 B) N+ K7 b1 K' V/ S
Electrical Metallic Tubing
7 P; i; f9 f9 d7 l12-1402 Use
% C9 S6 ]& U- }1 v8 k# c1 H5 t C12-1404 Supports& g9 _# Y; S# l9 x/ K/ k: N
12-1406 Minimum Tubing Size
; C" x; j& m) T: n9 K# D5 w7 P12-1408 Maximum Number of Conductors# x" I _% @/ }$ x; c ^' H2 K' @
12-1410 Connections and Couplings
! D; |: J' k0 O, }12-1412 Radii of Bends in Tubing
) L/ d$ }% d. E2 |1 o/ t$ EN Table 7
7 e( Q% _* y, ^5 i/ KElectrical Nonmetallic Tubing9 U7 i7 [% ^& c
12-1516 Provision for Bonding Continuity
! _3 ?3 D2 U( J5 ]& a! eN 12-15147 @0 F9 x) I! u6 q9 B
Surface Raceways! Q5 o, D% i0 n4 E0 Q
12-1602 Use of Surface Raceway (Appendix B)" [7 D/ z0 O/ F& m. z) S; b; }- r: {
12-1604 Temperature Limitations! a' ^1 @! } \
12-1606 Conductors in Surface Raceways (Appendix B)
/ Z1 B" s; Z2 k. L+ Z" g/ ]12-1608 Maximum Voltage
' \7 F6 {/ E; O) w; A) x. H12-1610 Joints and splices
8 S4 z: f7 v; W1 HUnderfloor Raceways/ B% ?6 l6 |1 p2 \
12-1712 Discontinued Outlets in Underfloor Raceways: z9 M# F& ]+ K
Cellular Floors& z$ C. Z$ f# F/ g& ?
12-1804 Maximum Conductor Size in Cellular Floor+ u- q7 u, v- A+ T. |9 d
12-1820 Cellular floor discontinued outlets( n5 t! U1 O6 A3 i) F5 C1 F
Auxiliary Gutters, m: {* B* M7 Y/ ]( x+ a
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces- X% ?. V8 a8 g# w
12-1902 Auxiliary Gutter Supports
" G$ }( s4 z! I# z3 D12-1904 Auxiliary Gutter Cross-Sectional Area' [& {8 c4 v( [. Q$ ]1 z% U/ r
Busways and Splitters
. N G9 e9 W8 C3 U- X12-2004 AC Circuits in Busways and Splitters0 l. q9 c+ ^7 i' }
12-2006 Busway and Splitter Supports! h8 l4 ?. ]' r' r4 u% _
12-2008 Method of Installation of Busways' Z+ `: Y4 o; s$ B. A! T( _% b* y
12-2012 Reduction in Size of Busways- E0 q9 z3 H R9 _8 L
12-2014 Length of Busways Used as Branch Circuits
# H4 G4 `. [- \12-2018 Taps in Splitters4 q' M3 _2 C$ R; s \" T4 ~
Wireways Y! N0 \+ N) T5 p% R
12-2104 Conductors in Wireways( h: t3 E" N, ~ H, M, I; e( R
12-2106 Taps and Splices in Wireways
/ a" @' ^+ v& l6 V5 a Cable Trays
p2 P8 P( X6 ?7 s2 F12-2200 Method of Installation (Appendix B)
2 p8 I) L6 f Y12-2204 Joints and Splices Within Cable Trays( U9 {! g; f% x8 B. x! r
12-2208 Provisions for Bonding2 i7 ?8 z. d$ k. v+ |1 S+ W
12-2210 Ampacities of Conductors in Cable Trays
6 |. ]$ x$ G4 L( XInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings) K/ s! t3 D! l% ?# { k
12-3000 Maximum Number of Outlets Per Circuit
! b3 K* g1 C/ A! xN 8-304. ?* C% {$ i( \8 H& ~- t- W
12-3002 Outlet Boxes (Appendix B)
8 }4 D7 ?' g9 N4 sN 12-3000
7 a' Z/ b5 A# D- ^# t12-3004 Outlet Box Covers
7 I( U$ u: o3 a8 DN 12-3002
5 g) d: Q! |3 T; |3 V3 O. q12-3010 Boxes in Concrete Construction
: N0 D3 t" \5 n& ^4 q4 T, C& KN 12-3008
4 j- i; ~- u) g8 t$ G4 a12-3012 Outlet Box Supports/ ` u6 J+ h! P( o! ], {! d9 ~
N 12-3010" i$ W( t# D; K2 B; F
12-3016 Accessibility of Junction Boxes' ~. F( |) d5 N+ g6 u
N 12-3014, P; c" k6 w# ?; c4 m
12-3018 Flush Boxes, cabinets, and Fittings o6 F, z" q" ` \2 W8 L+ j
N 12-30164 z: h1 p( I# m& }) e- y
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
1 U4 X" N1 P1 n- z2 V% R9 fN 12-30223 {: ^7 R* ]6 q. ^0 V
12-3036 Maximum Number of conductors in a Box - Table 23: N5 J+ Y" x4 ~: u8 x4 j+ V Y' p [
N 12-3034
7 U6 K% P/ ^: G# T12-3038 Pull Box or Junction box Sizes$ \, a8 }% ?. x3 O
N 12-3036
- ^, { D+ ?' v- ]1 l: ]) x+ W$ T# a. r. o1 O- M( ~8 z5 T$ Z+ K
Section 14 Protection and Control
* w. H g+ T! SGeneral Requirement. ]" O P5 X- O0 }& p# {
14-010 Protective and Control Devices Required, h: N( q0 |( o- H+ @
14-016 Connection of Devices! N4 \* A. J- x( U3 W- Y
Protective Devices – General
- @- \ g$ l3 W9 \ 14-100 Overcurrent Devices Required& L( Y, M# d z8 j% ~" H
14-102 Ground Fault Protection (Appendix B)
% F6 F7 u. y( }. }14-104 Rating of Overcurrent Devices (Appendix B) Table 13# _- F" `. Z, Q5 D2 p" i- ^. O: W
14-112 Overcurrent Devices in Parallel! {5 f- y2 u4 k/ Q
Fuses
4 o9 H- P! p% o14-200 Time-Delay and Low-Melting Point Fuses; \. X/ ~; I' Y0 y, M
14-202 Use of Plug Fuses7 m7 b9 t* A" Y! f. l
14-208 Rating of Fuses4 g6 e% c7 x6 `7 n, \
14-212 Use of Fuses (Appendix B)! T- M5 S% [& r Y/ u
Circuit Breakers
9 v5 O% ]) ]- n0 a; e14-300 Circuit Breakers, General
( s+ s9 a* O Z14-306 Tripping Elements for Circuit Breakers/ d3 m% i2 w$ [1 V
14-308 Battery Control Power for Circuit Breakers
; z, ^$ H" t0 eControl Devices - General
8 V: @& m9 T9 |5 u6 P/ ^0 ?14-402 Disconnecting Means Required for Fused Circuits
* _2 R4 h" o# q( ^( ^Control Devices - Switches5 s( W5 ?$ Q7 }
14-502 Mounting of knife Switches5 g5 e! m5 U [! ^# }
14-504 Maximum Rating of Switches5 [8 b; b# O# K2 y B6 Q
14-508 Rating of General-Use AC/DC Switches (Appendix B)
/ ~2 B! B* v8 p; Y14-512 Manually Operated General-Use 347V AC Switches (Appendix B)0 ^+ n+ D' e4 B. N4 {( F" y& y. a
Solid State Devices- S4 l5 e0 D: X2 c, C$ I' D
14-700 Restriction of Use2 `+ T; u4 [4 Q7 j0 |, i
14-702 Disconnecting Means Required
( o, p1 G6 P* [4 l# J( }
. f( o; @+ _ x( @9 |Section 16 Class 1 and Class 2 Circuits6 @. e3 k, W Z5 a$ {8 y/ k" J
General+ n0 Z) e$ [/ n% `
16-004 Class 1 Extra-Low-Voltage Power Circuits
/ R" c1 O) @4 u# T" H8 |8 ^16-006 Class 2 Low-Energy Power Circuits
) O8 D3 S* f# G3 r8 Z0 Y$ ~. z8 G8 l16-012 Circuits in Communication Cables
$ J8 S7 u8 R4 W$ |' H2 M6 C+ ~) |Class 1 Circuits
3 o$ z( f1 E* M0 e) U3 ]- _16-100 Limitation of Class 1 Circuits
$ K5 O( h0 S( T$ T8 e16-104 Overcurrent Protection of Class 1 Circuits
7 K" d0 Z6 D) g2 _4 L/ f16-106 Location of Overcurrent Devices in Class 1 Circuits1 z7 v$ r3 S) B- _3 `
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers: `" T+ Z5 l4 O# F: m/ ^
16-110 Conductor Material and Sizes
+ Y) Z' m9 |. j. C' C$ B16-112 Insulated Conductors for Class 1 Wiring9 H, R2 S& d- l8 _, j. V, ]4 ?. v
Class 2 Circuits0 D2 H" z) x! K6 J% C5 f- l1 t
16-200 Limitations of Class 2 Circuits (Appendix B)# O1 H* O) A* H% b7 z3 }- O
16-204 Marking; q4 i* W5 f l x* G) A% I
16-206 Overcurrent Protection for Class 2 Circuits% Z6 F% V, A$ Y# h' F) L
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)0 p1 ]5 d/ v4 B; c# Y( w- g+ P
ELC: extra-low-voltage cable
- l% a0 O# R' X! x% ~16-212 Separation of Class 2 Circuit Conductors from Other Circuits$ j! ^7 O& I3 ]" p& K, y
8 x/ p) l2 @3 Z3 m
Section 18 Hazardous Locations) N/ M! L9 {+ a2 F2 h* D
Scope and Introduction1 r1 q" [! y5 a. |& A& c
18-004 Classification8 ^0 A3 T. C3 B' @% p9 l2 W
18-006 Division of Class I Locations (Appendices B and J)
: ^ b3 p" e' h5 s2 i% e18-008 Division of Class II Locations (Appendix B)
. E* R9 B0 z1 p3 s. E18-010 Division of Class III Locations (Appendix B)) L v* s6 |3 W( x+ r
General
. f9 a- }% U1 Z6 O% o. b6 r u# o18-062 Metal-Covered Cable (Appendix B)
9 H% G( ]% c- W) P$ r, J) _Installations in Class 1, Zone 1 Location! x. _9 }- l/ ^1 L' R* \5 w+ y( w
18-108 Sealing, Class I, Zone I (Appendix B)
, g& D8 N/ r. h' m" _
1 k- h* _7 o8 [1 J% bSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
6 q# U8 ]0 g. GGasoline Dispensing and Service Stations
' a% ]' S" O# I2 y, `5 G* U7 ^20-002 General- {: M2 i Y8 m. {" E: t: P
20-004 Hazardous Area (Appendix B)
0 n1 \5 C/ |& J( ZPropane Dispensing, Container Filling, and Storage, w7 }1 R' L% Q8 _! i; ^6 ~% U
20-034 Hazardous Areas - Table 63$ H/ Z; U* I; v6 [) q, V" d
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities$ b0 e" q% C* J' B
20-062 Hazardous Areas" j7 T8 X" a& z/ P! l. R
Commercial Garages – Repairs and Storage
) P! C# m2 }5 R+ F; O20-100 Scope
: a* L# ^: p; {1 E) }2 q+ P% n20-102 Hazardous Areas (1)
* D* A" x% X- h! r/ f, E6 p9 w4 E" S u7 f' r/ c* I m
Section 24 Patient Care Areas
) `9 R: @( H2 }" s) A. {1 {1 a S24-000 Scope (Appendix B)9 \2 n: ~6 A6 u+ I6 K3 C0 a8 y- A: p
24-002 Special Terminology (Appendix B)
: b" j# J) ?& p/ `/ f/ o Patient care area6 g9 |0 b! I( t+ j! @+ w- @8 M
Patient Care Areas
/ }5 ~& H; H# _24-106 Receptacles in Basic Care Areas (Appendix B)
; o* Z6 c) Y& D7 c1 w7 nIsolated Systems# k9 F: Y. O. f& }" a
24-204 Single-Phase Isolated Circuits (Appendix B): R A( g- T+ B1 r! Y L% L
24-206/ @+ b9 J( ~, I3 |( @8 I
b- z# f# N, t6 t' sSection 26 Installation of Electrical Equipment% H$ h T' ?& W. U1 q
General9 S: i* |( V$ u& i- s* W6 u
26-004 Equipment Over Combustible Surfaces (Appendix B)
# Q, q! u. w! `6 y26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
' W2 B/ Q5 Z h" q2 M Isolating Switches
y, f0 j* Y; O& w n1 d+ E* _26-100 Location of Isolating Switches/ e* M' F" }0 C8 q( a
Capacitors
4 U; q. R+ ~+ C, d- F2 L8 q) m26-204 Guarding of Capacitors
8 b! ^7 U4 q; w1 x; G7 l: q* Q26-206 Grounding of Capacitors( s z$ I0 @" ]$ v
26-208 Conductor Size for Capacitors
4 f9 [! v4 @) V" e% ~) C26-210 Overcurrent Protection (Appendix B); j" L) `: O& l# @' O" v: f: l( G
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits! O( I$ _, H/ o; {
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits( u+ @, M: T, `' L: @# }
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits$ `) R6 }" _1 T8 V0 J* R7 w
26-218 Special Provisions for Motor Circuit Capacitors
9 b1 l; G5 W0 h/ E2 I4 W, g( L& Z/ K& \: n26-222 Drainage of Stored Charge of Capacitors
& K- J5 R# z& ]9 }Transformers3 k" S" Z; w: o0 J
26-240 Transformers, General2 J1 g1 }; P( z+ ~7 N4 `* c: a
26-242 Outdoor Transformer Installations
! c$ U3 }, j3 ^: p: }26-244 Transformers, Mounted on Roofs (Appendix B)
+ [: E4 @! y% n3 V26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)$ m& u+ M3 \0 o, w
26-248 Dry-Core, Open-Ventilated Type Transformers! S& d9 O- y( M6 k! N& u
26-250 Disconnecting Means for Transformers4 D: e# M2 D" }0 V
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
; t: |8 y' |7 B3 h* _3 ?4 m6 q26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers' J1 A4 B% m: z- X7 ~. {& \! I
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)$ Z* X& q& b) |: E
26-258 Conductor Size for Transformers
* _9 [2 D y0 _' x+ ^26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)& C* P. ~0 u' ~- L9 ]
26-262 Marking of Transformers! x4 D$ e# D6 _: f2 D+ n& ^
26-264 Auto-Transformers2 W5 v0 P. H Q
Fences9 C, D# j6 _! a7 {8 K- t
26-302 Clearance of Equipment - Table 331 ~1 ]. H# F5 y/ E2 K( y
Panelboards
( V, d! ?% f. p! k3 L26-400 Panelboards in Dwelling Units (Appendix B)
# H2 A& Q. u7 a% V( C% V26-402 Location of Panelboards (Appendix G): u+ G8 G3 u1 B7 j$ T( w7 }' q
Lightning Arresters
9 B9 y9 g8 W, _- G) Y26-508 Connection of Lightning Arresters
$ P0 _6 V- {. pStorage Batteries
' S, W9 W/ \8 s5 `9 G' \26-542 Special Terminology
1 i2 J4 r1 l/ h; t5 J, T3 j6 _26-550 Battery Installation
+ V9 T3 T- o3 _, O4 ^% z26-552 Wiring to Batteries
$ n! v" V9 q* h+ @Arc Lamps1 j2 X. M% g. N+ g/ E: m! I% _+ r- R
26-600 Location of Arc Lamps
9 _( r6 t4 I$ Y26-602 Conductors to Arc Lamps
) | f7 _6 j+ |. N1 q6 l0 _26-608 Globes and Spark Arresters
1 r1 O# g* S# P/ y. s$ zReceptacles8 @0 E9 g# v" t" l; B
26-700 General (Appendix B)
5 F) ~6 w- m2 `3 q m26-702 Receptacles Exposed to the Weather
' ]! w% p4 ]$ F/ YReceptacles in Residential Occupancies% B% H+ Z; R6 W7 S2 _+ c, G
26-710 General (Appendices B and G)
) n0 h# d& f7 F+ r0 S. w7 ~26-712 Receptacles in Dwelling Units (Appendices B and G)
& a! U, Z# M7 g, B% w# u26-714 Receptacles in Single Dwellings (Appendices B and G)+ k* Z ]2 ]6 P" c# k; ]
Branch Circuits in Residential Occupancies, h% C U4 S, R# M1 u
26-720 General/ D2 L0 V8 O: E3 i
26-722 Branch Circuits in Dwelling Units
_. Q1 ^1 F$ c0 D0 A26-724 Branch Circuits in Single Dwellings
3 W# t( H4 z$ H% |( G# J26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)! K |" _: x9 \
N 26-720 (F)$ }- t& F) b* E3 W0 |
Electric Heating and Cooking Appliances
8 Q9 x2 h0 G# } L$ w$ e26-744 Supply connections for Appliances
+ x7 ]# x# {- F: k2 T: \' P6 g26-750 Installation of Storage-Tank Water Heaters# b! M: w* ?' r, q! k7 z
26-752 Infrared Drying Lamps: A) J- V# `1 |9 I: ?/ u7 B
V+ q% [$ ?/ Q5 D+ OSection 28 Motors and Generators
% _ k: b2 x+ JGeneral
; @# L; v. r {28-010 Special Terminology$ I4 e, s* p; p; Q( f! |
Hermetic refrigerant motor compressor! r+ H& d( u7 a: Y1 x7 X2 p' T
Locked rotor current rating
# i1 i" S9 o0 E- M6 H8 [' ]Service Factor* A/ v4 t- t$ x7 K( l+ u
Table 44; Table 45; Table-D2
2 i: D1 K% `' w8 ~Wiring Methods and Conductors
& ]2 e9 o5 W0 u6 R7 s& w28-102 Portable Motors l* e/ l" Y/ S9 Q, S, I
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity( E6 P" n* |+ [! \
28-106 Conductors, Individual Motors6 b1 R* S# F7 J
28-108 Conductors, Two or More Motors
+ J' V/ X0 i9 p9 ~8 d28-110 Feeder Conductors
" D+ G4 D7 [- F6 B: Q2 _9 t" j6 B28-112 Secondary Conductors6 x+ u6 ^) Y; `6 E
Overcurrent Protection0 _7 p g ~, p' c9 y
28-200 Branch Circuit Overcurrent Protection
1 v8 z' f0 |; p28-204 Feeder Overcurrent Protection
; |0 E% |% p0 b$ p) p6 m) i: ]28-206 Grouping of Motors on a Single Branch Circuit$ r. W g1 h/ b3 d5 m9 |+ i1 s- M
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
& P. G& t) h: p! ~/ nOverload and Overheating Protection
' r3 ?/ f0 F p4 r. W# K; P28-302 Types of Overload Protection6 O1 j# U8 Y: E4 J
28-304 Number and Location of Overload Devices (Appendix B) Table 25
a. O1 t3 p7 t0 f3 q: I; k9 k7 I' I28-306 Rating or Trip Selection of Overload Devices (Appendix B)) Q/ h& b* d4 a7 |/ }: q7 s
28-308 Overload Protection Not Required
2 k, `% }* D2 {6 }Undervoltage Protection
/ j9 Q( [! F4 F" \& @1 g8 L/ ^28-400 Undervoltage Protection Required for Motors (Appendix B)
0 Y# _: H, u% \% @% zControl
4 ^9 ?" f. e& h28-500 Control Required
* K: c$ S* \" n# o4 b7 f28-502 Control Location! e9 Z+ c8 n, g* I+ B
28-504 Starters Having Different Starting and Running Position2 O. T9 @ }* i# N$ o
28-506 Grounded Control Circuit9 B7 _6 Z9 x4 O, J% U* D+ r N" P8 e
Disconnecting Means9 j9 x* O o: l9 M& ~
28-600 Disconnecting Means Required
; N7 o- h) Q1 u4 K28-602 Types and Ratings of disconnecting Means (Appendix B)
2 h4 r& P" B! C9 G* S/ @! N/ j" E28-604 Location of Disconnecting Means4 I$ }; Z, V7 m& Z3 l# V( _
Hermetic Refrigerant Motor-Compressors4 F/ k5 g4 S% K
28-706 Conductor Ampacity' m3 a% S2 ^$ w
28-708 Overcurrent Protection
+ \+ y/ G% }6 z28-714 Disconnecting Means
: q( p, H# g# U- AProtection and Control of Generators2 e$ m% C) X3 h8 x; X3 e0 O, Z8 @
28-900 Disconnecting Means Required for Generators/ r% w. x0 s9 J7 g# o
28-902 Protection of Constant-Voltage Generators
' {5 a5 V9 o x2 M7 @" ?28-904 Generator Not Driven by Electricity/ M, U2 X4 d! X1 }7 S \
28-906 Balancer sets2 {$ ~5 W' g' Y1 M
28-908 Three-Wire Direct-Current Generators! v, W9 I7 f1 l- X+ n9 m1 X2 K _
8 M4 Q9 r/ t+ K, y4 s
Section 30 Installation of Lighting Equipment
, @ \9 |0 v: m }& m30-002 Special Terminology (Appendix B)
# r( S: B0 Z( e$ O/ r7 DGeneral
2 e* U, }% j0 S& \ l/ b30-102 Voltage( S0 H& [' j3 p/ L5 k8 m
30-104 Protection (Appendix B): F: A+ L) F% q; }* O, C
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment1 c2 |5 U) [) g/ I. t
30-108 Polarization of Luminaires
2 H G( h' w: K& k1 _30-110 Bonding of Lighting Equipment' n v; K9 B* V% d8 A) [
Location of Lighting Equipment8 E1 `5 p( D @ F( W
30-200 Near or Over Combustible Material
k0 |' R- c1 }% e30-202 In Show Windows7 i5 G/ X: z% d% @) l/ \: m! N
30-204 In Clothes Closets
0 l3 R, a0 p xInstallation of Lighting Equipment
2 Y- Q) [( \9 w9 c1 w& K& `( [30-302 Support
# M9 p2 f7 H' N8 H% C2 z2 s30-304 Outlet Boxes to be Covered
+ X, m; S( X6 u0 X! x ]30-308 Circuit Connections
6 V @3 i: \0 ]1 Y9 ^30-310 Luminaire as a Raceway- l! t9 G* M1 B$ b
30-314 Minimum Height of Low Luminaires
$ V8 {: o2 K: s0 {) j/ w h# }, _30-316 Luminaires Exposed to Flying Objects
$ E- y! I* I) O8 H8 }30-320 Luminaires in Damp or Wet Locations; b* Q( R6 r% r2 S! ]! P+ O
N 30-318
( G) z: i5 }. G( c1 p0 R% M+ EWiring of Lighting Equipment) v. [% ~* A4 v( H* v7 i
30-400 Wiring of Luminaires" s( n( Z: f. M t
30-402 Colour Coding
L, p7 u! h! B3 B& n" ]4 J30-404 Conductor Insulation
' D7 l2 h- C! _- S1 [30-406 Conductors on Movable Parts' _. P& _7 i/ @. Z
30-408 Wiring of Ceiling Outlet Boxes
3 ^1 N1 b6 `+ G( l* C2 M; s& |30-410 Wiring of Show Window Luminaires0 s3 H$ A1 g9 N* E2 o- X u
30-412 Tap Connection Conductors9 @+ ~/ ~$ ^! a" {# A% P4 `
Luminaires in buildings of Residential Occupancy9 o2 M# r; x! Z3 T
30-500 Lighting Equipment at Entrances (Appendix G)
4 `& l# B8 O: h) W: d30-502 Luminaires in Dwelling Units (Appendix G)
8 l& _8 ]6 I7 K, W3 E+ J30-504 Stairways (Appendix G)' l$ B/ p% l% _0 K6 \0 T
30-506 Basements (Appendix G)
4 @- B& m, b: ?" J9 z: J4 q2 k2 H% k30-508 Storage Rooms (Appendix G)
, K9 A2 F! k* p2 p, i' h* w2 Z1 N& t30-510 Garages and Carports (Appendix G)
- b, I. d* z- |6 u# I" I2 D! QLampholders% @7 G3 }8 A4 n2 z- V: I
30-600 Lampholder rating with Incandescent Lamps
$ R. u. p7 S7 d0 m) F$ lN CANCEL' p/ R7 Y* |9 q
30-602 Connections to Lampholders8 B" ~/ I5 S% @/ }4 g; c D
N 30-600' }- \6 q! e2 d- Y" ^
30-604 Switched Lampholders Used on Unidentified Circuits$ D. c+ {9 b; U. L5 `0 E
N 30-602
3 G$ y2 c x# T0 Q+ G30-606 Switched Lampholders with Pull-Type Mechanisms5 w+ i' o& ]; @# Z; I1 P$ l* K
N 30-604
* G' u' R, A$ C30-610 Pendant Lampholders
: o2 t/ k5 F8 i2 k( b$ k* SN 30-608
3 z# i/ y; t' Z8 k, Q% LElectric-Discharge Lighting Systems Operating at 1000V or Less% k/ o) i" W0 C- q* K, j4 [
30-710 Control (Appendix B)
: C: B) v9 N9 d6 J5 W2 W) y; u30-712 Branch Circuit Capacity
h5 I1 e& v5 P; i; ]2 ~Electric-Discharge Lighting Systems Operating at More Than 1000V4 ~ w" \0 R# Q/ l* l# t
30-802 Voltages, Dwelling Units# u( E' D, _+ G* ~. j* Z$ M- y, @
30-804 control (Appendix B)$ N8 e4 ?9 S J7 s" I4 T' Y$ v8 L
Recessed Luminaires (Appendix G)
0 \% U- L' D/ N; k5 r30-902 Spacings for Non-IC Type Luminaires1 G# V6 F" A! w
30-910 Wiring of Recessed Luminaires (Appendix B)
" r% W& m5 F, ~9 k# W% C! \Exposed Wiring for Permanent Outdoor Lighting! R- T \! j* s) i. h0 ^
30-1120 Branch Circuit Loading and Protection, g! d" U0 a" |; f. i
Extra-Low-Voltage Lighting Systems
% b) T, K( u* R7 d30-1202 Sources of Supply" |" v" P" ^4 X9 T/ N
+ E8 ?, h# w$ x8 I: U
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)0 e/ {; K1 ]6 g4 y
Fire Alarm Systems2 V7 C( d6 @! q! n! L6 \: ?
32-100 Conductors. Z8 ]1 G- J% l& y( G
32-102 Wiring Method; k8 ?) Y9 i+ c/ k: r2 e2 k
32-104 Equipment Bonding
1 a+ f& Y3 A9 [% r; ^6 `$ @32-106 Electrical Supervision
/ v# H- {* x% y1 a8 l- A, s5 ^32-108 Current Supply% C6 q; H6 L" f: N+ p5 `! Q
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)5 I! T, Y* j5 B' \
Fire Pumps
: j: N( {4 ~& e Y7 K3 V32-208 Overcurrent Protection (Appendix B)
c6 P& h' o& |. z/ L. F3 t" ^N 32-206
. z; I% ~/ V: ?' u' g32-210 Overload and Overheating Protection (Appendix B)0 B! v! R& d W% _. e3 M
32-212 Ground Fault Circuit Interrupter (Appendix B)
: v5 `. Y) Z {, j0 ]4 A5 H/ n7 F2 @& Y1 i `2 u, ]
Section 36 High-Voltage Installations- l) B4 R2 g7 P( ]2 Z9 Q
General9 L4 H2 f& q2 X# U
36-000 Scope (Appendix B)
/ S# M# l) q5 _* l! o7 g36-006 Warning Notices
4 e/ j9 E" w5 z+ RWiring Methods
& k" J+ b2 H1 }# W4 E$ ?36-102 Radii of Bends
+ j+ x+ m! P1 L- k36-104 Shielding of thermoset insulated conductors
) a0 b7 [+ p1 ^) c+ n36-108 Spacing of Exposed Conductors (1) table 30, table 31
/ m a" s$ D# e5 }36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
9 x9 d6 C( f8 c2 w$ GControl and Protective Equipment3 j) _2 x! P% O6 ^* O' R
36-214 Disconnecting Means3 t( t- }( p& E# k9 B6 s
Grounding and Bonding2 r* Z! K" I4 u$ n$ J
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections3 _5 r+ I4 `$ d6 L/ f, C& I
36-302 Station Ground Electrode (Appendix B)
J. @" m1 ?. U0 V2 Q) c36-304 Station Ground Resistance (Appendix B); p3 r( T ~* L7 V6 ^
36-308 Connections to the Station Ground Electrode (Appendix B)
; }: t* l( n5 Y7 g) A& ^36-310 Gang-Operated Switch Handle Grounds' s8 ^: |! n! ~+ ]
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
6 l$ r* Y* j" Z4 x9 d. T9 W. w8 H$ N5 z* \" _
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
! f4 C/ s: X: W$ w6 R) m4 j8 C& g8 O38-002 Special Terminology (Appendix B)
9 V+ B0 I6 f2 T2 p0 u: c( ?38-003 Voltage Limitations (Appendix B)
& n# D* C. X5 T5 ?% L0 l* S3 f38-004 Live Parts Enclosed) ?7 W" | \3 f
38-005 Working Clearances4 @* j" h! A* K
38-011 Insulation and Types of Conductors C7 d V: }* R+ K& Z
38-012 Minimum Size of Conductors
; m! u, Y2 {* q/ k( u5 O& H0 w7 }7 p- ^0 [! p9 O' O
Section 40 Electric Cranes and Hoists
8 {1 i3 J$ L6 X) f& Q40-008 Disconnecting Means
% b! k: d8 K, p, B8 X40-010 Main Contact Conductors' @5 W& {3 ?% G# `" O9 [
8 c2 ?( S1 @/ N5 |0 g; Y: ^
Section 42 Electric Welders
- [/ ?6 ~/ z& C" V$ g: zTransformer Arc Welders7 [4 D( G6 g/ m6 \+ H. ?8 w
42-006 Supply Conductors
) H- J# k' `8 x5 e1 B5 F8 g; ]& e7 Q6 y, P0 L! K6 m7 G- E- O$ p! M
Section 44: Theatre Installations
: h2 B/ y, o7 @General; e% V) \% h5 Q8 s& r
44-104 Number of Conductors in Raceways
) N4 T% d+ z \% O$ F. S& m8 J44-106 Aisle Lights in Moving Picture Theatres+ U5 W: K( l$ b4 u
Fixed Stage Switchboards
. x' \9 O8 g) L4 P$ d2 H44-210 Overcurrent Protection. L% j2 ^2 D' m+ L* O( h7 T
Fixed Stage Equipment
2 q3 M. ]8 @4 n K44-324 Receptacles in Gallery Pockets, M' c$ F0 _3 A T( ~
44-326 Receptacles and Plugs- }- W4 ~, y1 `0 D3 Y/ H! q
+ t% H& D: ^# t5 h
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
( R" l5 ]* L" c' v1 BGeneral- b% L3 W5 s( k3 l5 ^9 v' b
46-102 Instructions
+ a' c& V0 t" B( R% Z, M+ R. h, X46-108 Method of Wiring (Appendices B and G)
- p F0 O' B% Q% d* X+ {) UEmergency Systems
& r; E5 c% P2 d6 B+ C; F0 B46-202 Supply (Appendix G)
! Q4 C) y6 c9 Z3 p46-204 Control
5 V& I4 D8 K( @; ?2 |) p46-206 Overcurrent Protection) r/ t. n! o1 S
46-210 Remote Lamps% s1 l! c; v; i9 |8 Y' H
Unit Equipment- _1 [& u2 o% M6 @
46-304 Supply Connections* w- j& r" ^. g. }7 Y
46-306 Remote Lamps (Appendix B)
6 g/ c) u6 j+ g9 R; oExit Signs" ]# f# N! y$ @& a6 Z6 P8 o
46-400 Exit Signs (Appendix B and G)
2 w1 \" P6 c1 p3 S3 R8 R5 ~, E
! ]0 e8 A! Z7 x5 Y3 [Section 54 Community Antenna Distribution and Radio and Television Installations* D( ~* l8 ^. L, |1 {
54-000 Scope
* U% _# {# x/ }/ V% | U% \54-004 Community Antenna Distribution (Appendix B)
1 }! n! p' j' ^) v+ p* S! G9 ECommunity Antenna distribution
R( [8 [' N3 Z, {/ {: z6 k% a) L54-100 Conductors
- v+ b% k+ Z6 P0 u! ]54-102 Voltage and Current Limitations (Appendix B)6 B, L1 T. j! X" u/ |4 Q
Protection6 q9 g7 }* f8 @& s+ ]" m, L
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
z5 z0 {3 I' p8 KGrounding
# b+ N* \: \: w* a5 G- n. Z! L54-300 Grounding Conductor
* q% k0 ?" N! k% B' A: kConductors Within Buildings$ j" W c. q7 b `3 t/ N) A( Y& K) n
54-400 Separation from Other Conductors
! P R ]9 E8 a2 qEquipment
! K+ F. z1 f6 Y* i! p54-500 Community Antenna Distribution Amplifiers and Other Power Sources7 u0 V, F) D( Y* @: h0 |
54-502 Exposed Equipment and Terminations; r, | x& c4 E! c7 S8 K/ ~# E
- k7 q1 A, o; L1 m
Section 56 Optical Fiber Cables7 F- ~4 {; O% n0 c
General
3 C( v9 x# W# ^+ z) @1 Q8 c! c x56-100 Special Terminology; U8 E9 B$ J) }; P2 I. t/ m) n
56-102 Types
( d3 V1 v. `9 z" {' W" S7 q* w2 XInstallation Methods1 A! B: G' j4 C. q
56-200 Nonconductive Optical Fiber Cables (Appendix B)
- j# L8 R$ t% t$ `$ m) \: b56-202 Conductive Optical Fiber Cables (Appendix B)0 R4 d5 q9 t2 T% v( b' l4 `5 _- e
56-204 Hybrid Cables
! z7 G3 ?" M0 R56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
" y7 Z2 ^5 b1 |9 x* ~( Q. ~5 u3 T1 b8 ~. `# `, b# _9 e
Section 60 Electrical Communication Systems
5 M! B# M* L0 S6 X: LGeneral9 B2 P+ @% D- t& [- E8 e- n$ Q8 @' Q
60-100 Special Terminology
, V: Q8 n( S( D$ t% }0 fProtection: E9 E# z* C; [6 D1 |
60-202 Primary Protector Requirements2 k3 x) B& X; f4 H/ H* H- T' u
Inside Conductors
. u5 ], l) r5 {60-308 Separation from Other Conductors
1 r1 B& G S- _, b% ?) q: |! {* PEquipment
$ w. j+ G; x* c+ D$ }3 Y60-404 Exposed Equipment and Terminations
- N: b) S! ^/ \' j* }+ I& qUnderground Circuits
7 D. c4 _0 w! T- q# |- U5 w60-600 Direct Buried Systems, {# v$ ]" q9 T4 y3 h: n
8 e7 y8 }, n8 B
Section 62 Fixed Electric Space and Surface Heating Systems* `) {' p- a9 n4 P# Y4 |
General) s$ z* W& |) m' c! B2 u
62-102 Special Terminology
" d! q# I( X" s0 }& z0 ~' @62-108 Branch Circuits
' t0 V5 q2 @* E4 k62-110 Installation of Fixtures
/ I- H7 x7 C8 ]62-114 Overcurrent Protection and Grouping (Appendix B) (5)5 Z* R+ ]1 L/ w$ ~
62-116 Demand Factors for Service Conductors and Feeders (2)
/ e% e5 `! W+ V/ M+ M+ M/ }62-118 Temperature Control Devices
% v L' i, @% L/ V: ~1 Z3 _" @62-122 Installation of Series Heating Cable Sets (4)(7)
6 z* }- ^( e) pElectric Space Heating Systems; A4 `. u' p1 v- b5 l1 ]$ \
62-202 Temperature Control
9 l, L3 n+ y% U0 c62-206 Proximity of Other Wiring (Appendix B)
# |" z3 W# _) E/ ^8 q* v62-214 Installation of Heating Panels and Heating Panel Sets* U. s Q* Q' a; A6 p% e$ a" C7 C
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
* N. S4 I& `, L: Q9 a c62-226 Installation of Under-Floor Covering Heating Panel Sets
9 z' h( e+ h7 |/ [! ?" LElectric Surface Heating Systems
; ^! m: j+ y* ~* {7 ^62-306 Heating Cables and Heating Panels Installed Below the Heated Surface" H# N, F# L$ ]! m2 l5 ]7 ~
3 |* G) k* B' [0 Y3 ?3 BSection 68 Pools, Tubs, and Spas
. x7 `8 J! H7 s1 T3 w$ Q7 XGeneral5 g7 |+ t4 g5 O( Y& P
68-050 Special Terminology
9 z; o" f0 x+ J68-056 Underground Wiring - Table 618 R5 g- e( J9 y+ A0 R5 L
68-058 Bonding to Ground (Appendix B)
6 g; `0 K1 r' I+ M* E+ X68-060 Junction and Deck Boxes (Appendix B)- M& _' ?* l$ K) R
68-064 Receptacles0 `6 t4 V) T/ a9 L/ C$ y
68-066 Luminaires and Lighting Equipment5 x$ q& ^4 V1 G9 `( j% Z9 M! O' d' N
68-068 Ground Fault Circuit Interrupters (Appendix B)5 E5 s3 X2 k& Z. k$ y6 b
* B0 V5 | i1 O
Section 70 — Electrical requirements for factory-built relocatable structures and
/ s4 \, E! A. a" G& Nnon-relocatable structures% ^! v0 W; N+ x2 l+ f
70-130 Tests (see Appendix B)
+ z+ `3 J1 B1 O
* ~( n1 p. g; NSection 76 Temporary Wiring (Appendix G)
& t V% U. Q6 m4 c) x+ i9 t76-004 Grounding# j4 y* E5 Y/ ] I( S% K& J- Z
76-008 Service Entrance Equipment
8 D) B. \& N% EN 76-006
# q: e6 B9 n% P' ~7 M& S76-014 Branch Circuits
) ]* S! U0 `9 {N 76-012& I* \& a( ]: \; ^+ h
, J5 r/ [3 Z3 a/ T6 t6 u3 P
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
# I* R. M H' B) P2 D% ~Marinas and Yacht Clubs# m% e7 w7 |* Y
78-052 Receptacles
7 U1 N: Y, I- x3 x* }1 Y' o) B78-056 Feeders and Services/ c5 \7 O$ y+ ^* h% a- F ]
Marine Wharves, Structures, and Fishing Harbours
6 w4 t1 u3 N, [5 A3 S* t78-106 Grounding and Bonding
8 b; R- M4 i( C' `& r& X5 P: CTables
# a6 d/ D9 y9 `6 J+ ^" {1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65) E! d( y/ t' f5 O+ [3 C
1 p0 m9 E2 x5 I/ M0 z- C3 _7 ~
Diagrams: 1, 2, 7
1 n0 b* G% A0 I) R$ \# ]2 N/ e, L8 l. m: G7 H, z+ \! c
Appendix B
) [+ `' m. X9 _; B8 W& KP352: Ground fault circuit interrupter- 6mA0 z. n! U p! e& t, z& ?3 u
P354: 2-126 FT1, FT4; y7 Z' T" z4 q7 q$ w* D
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)& d' X# M' P& O8 Z Q
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)& j- M" |3 v1 Y$ x' N" @
P370: 12-1012, 1118, 1214 Example:
) t: x; P- {% ~1 k6 z; D* dP371: 12-1108# H) c- t5 k; | T7 M
P381: 18-108(1)(b), 18-158(1)(b)
1 a' y9 ]$ ? s* R- G( TP386: 24-206
6 J9 W: _; m4 O3 \# Q. TP389: 26-256
5 s- e4 J% P) O" q+ [4 e" e: pP391-P393: Section 28, Example to determine Motor Conductors and Protection
" t0 b5 w8 F8 a2 ?* i. d
1 E; T( |& }$ ]! [" r6 X$ PAppendix D
2 n# a3 [5 }, s: S/ n$ n# X9 tTable D1, D2, D3, D4, D5, D6, D7, D16 |
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