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Canadian Electrical Code Review Guide
! x0 W, t, ~$ m' A* X- Z1 pFor the Exam of Electrician For Red Seal License
5 u" z7 R! P+ o5 s7 S6 o
' n. I: w# Y- A6 T# Z NLesson One5 _6 C0 H9 @9 s# m* |
Section 0 DEFINITIONS! e$ s+ Z7 D# b6 g
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
+ k0 |) o" r3 n3 `Accessible as applied to wiring methods! o0 ~% K# u; }4 x& n
Alive or live! E2 W6 c! u7 I( M
Aluminum-sheathed cable
6 A1 U5 g& f) `! i/ aAmpacity5 t j3 b8 M9 V. S5 y, F! b
Authorized person
4 b$ e3 y9 ~$ a, UAuxiliary gutter
9 S: E- B4 J+ w& WAWG
( R2 v" k; ?4 LBonding
3 C9 k* d% j9 ]0 R3 x* R/ i5 E* XCable tray
$ I& ?( ?$ x* R; e* nCellular floor. G+ N2 u" j9 ^" m8 ]6 `' S6 c/ t& a
Branch circuit
. z' P- W8 q6 g" D5 aBus: L# ]" t. X+ E/ X
Busway6 E8 Q7 r0 B U9 D
Communication circuit
; A; z+ \3 l/ D) b) D) NExtra-low-voltage power circuit* O4 C# b0 E: K! b# H
Low-energy power circuit
0 s5 {3 Y3 X" L0 D0 QMulti-wire branch circuit. ]" k" x% m C4 q7 z& C
Remote control circuit
) W G) D% u+ ^% h) jSignal circuit
# k/ \' z7 D. d+ KCircuit breaker; i: _7 B: q) }
Instantaneous-trip circuit breaker
3 y6 F0 B+ l1 G" X. V" E" S' EConductor9 b1 [% Z* ~$ o; g! f# C
Conduit
7 V( \& A+ i% b- k+ K5 h" J Flexible metal conduit
! I n! l# m' x$ c0 H Liquid-tight flexible conduit7 g2 L7 I+ {7 @2 S6 o. Q6 u0 U
Rigid conduit( C# c0 a# ~% }' C
Rigid metal conduit
3 j$ H/ T6 M& ~' W% n Rigid nonmetallic conduit. [ Q2 K% ~2 F! i0 v; p
Rigid PVC conduit
" B7 ?" Y5 g% [" CConnector
( w0 S$ q+ W! e9 |0 E: g2 J& Y0 J2 J Box connector
1 `9 ?6 t! J# L1 W! h. A Wire connector
( ~* r% z3 q9 ?( Z3 U/ hController
; R. t- r1 \3 SDisconnecting means; S/ Q$ B* w* y+ i7 ~8 B0 O
Dust-tight) [3 }& W. |+ |1 u2 N
Dwelling unit* p+ J( T7 a, |8 u7 A
Electrical contractor D+ @. V [$ T& m- Q! F/ F
Electrical metallic tubing
0 h& `) U! ?: k% `7 H3 p0 Q& ^- |Electrical nonmetallic tubing
) E8 j" P1 F; BEmergency lighting
2 x+ C" s1 [5 A2 yExplosion-proof% g- L. G! `, o2 |) m m. \
Extra-low-voltage power circuit
' {, m) `0 Z, q& p/ `; w. QFeeder% \! F- l8 T" S6 x- O
Flexible metal conduit8 @! K I, }+ {& C. Z
Ground4 L9 _9 {1 O; j( m
Ground fault circuit interrupter9 K. X1 p- o4 i4 a$ e1 g
Grounded E1 p% V R0 |$ q
Grounding$ o8 q! {1 B9 C& I( l/ p
Grounding conductor
( o; Q( C0 f) _$ Z" z7 fGrounding electrode( k# Q9 v: x7 Q4 g. W- ]* T4 Q
Guarded& S( O; Y/ C7 W! _4 u. G
Hoistway/ @+ b' f" L g; ]1 i
Identified) v. I1 V) r3 o: g
Lampholder8 ~/ y* x5 e2 e2 F/ W$ _
Low-voltage protection
% f+ O; g/ M( q d2 V {Low-voltage release
9 H z9 L: o& a* o. a: z: h+ W2 j) HNeutral- T; F( b: R0 X0 s; W
Noncombustible construction
* t ~! `* n$ t+ b$ z0 _% i' HOutlet
) T& |. l1 o" aOutline lighting& ? [ s8 K! T5 @# W$ g( h
Over current device
& N+ A* d$ a- c- x+ U. U) DOverload device
. h1 R! m- M3 Y. l1 q/ H. {3 APanel board
' _) V- K" |) `+ y0 j/ @Panelboard, enclosed& c9 d" {2 j/ n& n8 X* a6 Z [
Permanently connected equipment9 W2 b2 x! S6 S A+ E3 a
Permit9 E/ Q$ e: l- q
Plenum" g: B5 ?$ v/ w2 T. c
Portable as applied to electrical equipment
( G4 b( g$ O- I5 n8 }, KPortable ground fault circuit interrupter8 b0 e, U; a( ~& H2 B' B
Power supply cord
8 z D7 q8 g( t4 |* c. B! kRaceway
/ |% {. }, s# I7 ?Receptacle- z& O7 i7 \+ D7 k$ d( }. q
Duplex receptacle
0 t/ Q1 f. E, w5 l! \ Single receptacle: {* M5 f, v1 D/ k% L; ]* H
Split receptacle Z9 v6 K& n2 V/ C* |: X; s
Service, consumer‘s
/ s: N3 i/ T0 ?; `# P! U5 kService, supply& {4 m& D; Z- n; K+ P, j, s
Service box
" N) P* F K" H$ zService room) `- z; E% {- G3 S: J% g' ^
Single-dwelling
2 H4 L3 v' l* B4 L/ USlow-burning as applied to conductor insulation
7 c9 O3 q( b4 A/ A7 L' \' ?Splitter! _$ M' Q% W: x" U" U8 x) \) a
Starter
! y. R7 V0 ~5 G: D9 FSwitch+ p% f6 p2 u. X/ E c% ?: m
General-use switch* a( t6 ?' v7 R
Indicating switch
$ P- n. h. o3 U' p2 J Isolating switch: o! U# y4 i4 a/ \
Motor-circuit switch5 E( Q* h$ [# }, ~& A
System
3 A: [2 m* U( R5 p% s Communication system
% u A/ h. |+ L; y Community antenna distribution system(CATV)8 u) F5 A1 I1 D- j
Grounding system
2 h- O! ?' |+ O* K7 E! fUnderfloor raceway
. k1 S* d" s1 M) U* F, OVoltage:
8 m7 ]: `: _& P5 I i0 |, s8 }. P Extra-low voltage& p H+ }( n1 D! u# ~- R! Y
High voltage
5 l" h5 S# N; v e% \6 @0 E Low voltage1 q: V3 M$ ]& U8 {8 L. {( I
Voltage of a circuit* [- L) ]0 a! \' j. R
Voltage-to-ground
; u. M4 \0 I. W2 `. E' jWireway
4 l& [0 I6 Y( j8 l/ F! G" l( H- Q, b8 O* H
Section 2 GENERAL RULES
1 i' r, M8 g# W/ I UAdministrative# b6 T" j4 q9 v
2-018 Reconnection0 h1 A7 Y3 \/ n) O
2-030 Deviation or Postponement+ j N$ l9 A5 S
Technical General
: f- \6 O. `, J7 x; R2-106 Circuit Voltage-to-Ground – Dwelling units2 |3 J5 }- M: g- w0 y4 W7 c
2-114 Soldering Fluxes
" t% G- Z/ u8 J# c$ n( W2-116 AWG Sizes of conductors
% _- @7 [% d ~# `, q2-124 Fire spread (see Appendices B and G)
/ c! f3 l X0 a) e2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
8 c2 @/ o9 P e- ~; bProtection of Persons and Property- R9 }7 s* U: y/ [; s7 U ?
2-202 Guarding of Bare Live Parts/ m N( a# t' N0 I6 _# \
Maintenance and Operation
( b. P2 y3 z% d+ t8 O$ J, z2-304 Disconnection1 H5 t6 q' L; U4 A$ d; e' V
2-306 Maintenance of Live Equipment
/ V# L- ~ w0 kN 2-306 Shock and flash protection (see Appendix B)
9 p- l7 l% e( ^' ~7 a8 b* L2-308 Working Space About Electrical Equipment: Table-566 l8 O& Z9 z- V; Q# A- `) H$ z
2-310 Entrance to, and Exit from, Working Space3 C" _4 l, T9 G9 U" Y8 Q7 ]3 U
2-320 Drainage, y. r3 {# \7 ^3 u
2-322 Electrical Equipment near combustible Gas Meters and other Devices9 c1 g; t7 U9 X; S6 J5 E9 h. D# k
Enclosures
/ H3 e. o) a0 L8 Y2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
- G" J& v9 a p; a9 H2-404 Marking of Motors: DP, WP, TE3 Q8 U+ X2 W3 V
" p# a; f. z R; ^
Section 4 Conductors! ~) o7 [! _ w4 U4 v+ ^
4-000 Scope
2 k/ {/ g0 E. I. Z( ?& x4-002 Size of Conductors: 14#, 12#
/ ~) Y- c* V, F3 ^- p1 Y5 p4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
8 ~. Q% V9 S, c6 s t2 }4-006 Insulated Conductors: Table 19
- {: `$ E0 V8 N8 E( [/ V9 D4-010 Uses of Flexible Cord: Table 11
7 a0 i& w& Q% I* C( O0 }, D" V8 {4-012 Sizes of Flexible Cord. e7 I( a4 @; S9 I; \) e
4-014 Ampacity of Flexible Cords: Table 123 U" L$ E- V% r3 i+ |
4-018 Equipment Wire. c6 z# C G X: u1 m( v
4-020 Insulation of Neutral Conductors
) a- H Y1 c8 u# b7 H: ~4-022 Size of Neutral conductor
: V+ x5 z0 M( K7 x! O4-024 Common Neutral Conductor1 c- h! W6 w2 g" x. k4 U) r: X* C
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
) L+ C. [. e- q e" s& i' J9 I( Q4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
# m1 J" |, [; p: }, V4 e& Z4-032 Identification of Type MI Neutral Conductors& o, w% k9 D4 ~4 C: E) H# s
4-034 Use of Identified Conductors
- w! H' T8 m' v0 j( T4-036 Colour of Conductors: Phase A, B, C, …6 R- i: @1 @# \; g* ^
. {. }$ l- i8 S) C# h
Section 6 Services and Service Equipment& K- v0 T! O2 G- L7 S! |
General
; z; k9 a9 P) ~3 D5 M+ ~1 z9 p6-102 Number of Supply Services Permitted
: o9 X4 u A; J3 R8 U+ O# p! C8 z6-104 Number of Consumer’s Services Permitted in or on a Building0 [8 P1 ?2 ?) z* w( H
6-108 Supply Service from an Electric Railway System
2 f; a- P$ p% ]" A+ k l6-110 Three-wire Consumer’s Services
7 X- U& F& \% g6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors% |% }1 \! n+ x- s" t& p6 ?0 o
6-114 Methods of terminating conductors at consumer’s service! U5 T( n7 Z, F( N& E
6-116 Consumer’s Service Head Location- \7 u* s; q, @: E
Control and Protective Equipment
5 Z+ a3 x) V5 i6-200 Service Equipment5 i0 V. M2 k9 q9 g
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)+ b: U. o0 V4 Z& }; n$ ]
6-208 Consumer’s Service Conductors Location5 C. B$ F: ~7 A! O; r
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches- a1 i8 Z, Z7 \2 _' z& Q& Y
6-212 Wiring Space in Enclosures" O2 _/ |1 k1 f# W: p
6-214 Marking of Service Boxes
8 {( s9 H9 P) ?8 j# sWiring Methods
* B9 ~- ]' C. @ C" X' J# X' t6-300 Underground Consumer’s Services! {7 A, ~: M8 M2 \2 k1 K
6-302 Overhead Consumer’s Service Conductors
& {4 [6 T7 s" L6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable2 f0 x& Z5 i/ |) ~+ j
6-306 Consumer’s Service Raceways+ U x4 S( i N! _& w
6-308 Use of Bare Neutral in Consumer’s Service
1 j- c+ q7 N4 R( z! B6-310 Use of Joints in Consumer’s Service Neutral Conductors3 q: U+ {3 x5 q1 e' w
6-312 Condensation in Consumer’s Service Raceway; [+ Z: I, e1 j# m2 h* e3 M4 K
Metering Equipment
3 R* U( @' }8 f7 e0 A8 r6-400 Metering Equipment
, Q Y) b$ K, |! A. a6-402 Method of Installing Meter Loops" c' E9 r5 @1 V& u" B
6-404 Enclosures for Instrument Transformers& i: {4 K, ]- X0 U4 a
6-408 Location of Meters0 E7 ^3 t5 Z) ?0 x0 [' B
# e- ^2 B0 T/ x6 R7 K* d% K) H' bSection 8 Circuit Loading and Demand Factors; y Z5 \9 J/ h( X5 L7 v
General, E# j4 ^! p" U/ v6 \* M
8-100 Current Calculations
' m; V# G- x+ ? k) z( F* ]/ _8-102 Voltage Drop ( see Appendix D)
1 D- u7 _; b% n$ ~8-104 Maximum Circuit Loading
, S: C9 y! z, U$ [! D. c( I& d8-108 Number of Branch Circuit Positions
! y8 e) s6 n. g8-110 Determination of Areas
4 A: m7 o& C( ?Services and Feeders7 p1 ` w5 c# W, f
8-200 Single Dwellings (see Appendix B)2 k# `( i8 m7 c8 ~
8-202 Apartment and Similar Buildings
6 t' I1 K; B7 e* l8-204 Schools
/ L" F+ e# x8 ~/ g& Z) z4 s8-206 Hospitals
# A& N5 H* K! e' d1 c: y8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
$ W& P" @3 [) _- E1 j8-210 Other Types of Occupancy (Table 14)& u: L5 ?! O l1 Y4 [
8-212 Special Lighting Circuits, ?/ s4 J& `- o+ |3 p# Y2 C
Branch Circuits; \; I8 D: s, i% i2 i9 u
8-300 Branch Circuits Supplying Electric Ranges
0 A6 b$ t9 t# H& @8-302 Connected Loads
1 K/ o. |7 t3 ^/ h% u% t5 j4 l
9 [3 G' |/ w6 ?2 i, g/ [Section 10 Grounding and Bonding
1 @ Y3 y7 Q/ LScope and Object
: A5 R# B/ H6 u# S+ O/ A! D$ a10-002 Object
8 y, U9 I. ^1 x0 O; ?3 ESystem and Circuit Grounding
# v* R7 N) ?+ j7 f3 G: n W10-102 Two-Wire Direct-Current Systems
& c; @# E( X' n9 X$ H9 A10-104 Three-Wire Direct-Current Systems
$ v u" s8 j2 s2 E, o/ D) S$ o; L1 A10-106 Alternating-Current Systems
' D* D! J" l$ a b10-110 Electric Crane Circuits
2 }# |$ X1 L5 G5 S% H8 _! l10-114 Circuits of Less Than 50 V
! K8 W& h5 G% _2 V8 X* P10-116 Instrument Transformer Circuits
, s+ n) ~" _) c9 R5 F: r1 M' @Grounding Connections for Systems and Circuits
; ^/ D& [$ C* _% R' d. I10-200 Current Over Grounding and Bonding Conductors- I' @9 U: b! Q( d6 l0 |
10-204 Grounding Connections for Alternating-Current Systems
& {1 P0 d% V( @0 T2 q% i10-206 Grounding Connections for Isolated Systems
/ I1 H% c3 p, H+ N; Y, X2 q( D10-210 Conductor to be Grounded+ U) L8 I7 @3 Q8 J
Conductor Enclosure Bonding
! v8 t9 j' u% A( m' G E1 s) b10-302 Other Conductor Enclosures
8 J9 `. Y" i1 ?+ q( ?( M) }N 10-304
& n7 w8 X3 e2 eEquipment Bonding4 i3 {! x* ^& C) m7 K Y
10-400 Fixed Equipment, General4 U$ q3 Z+ {! T2 o+ A
10-402 Fixed Equipment, Specific (3), (4)' ]4 h$ _2 c! _( K' \; @8 W1 I: {
10-404 In Nonmetallic Wiring Systems
# k/ Z! x! O* C8 N: \8 `' A# ^10-406 Non-electrical Equipment1 ^# K5 C4 L/ l7 n5 C
10-408 Portable Equipment (4)(b)
3 p2 R/ H8 r+ P' X4 K, T, Y4 D10-410 Instrument Transformer Cases4 \" C) _6 k- L- G( H+ A
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less4 L/ [: N. }! \9 A2 \! T: a" [
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V+ Q& J( D8 M Q7 E* |
Methods of Grounding; o6 ?$ y* i: U: i; M
10-500 Effective grounding (see Appendix B)7 i. Z) D M' e" [
10-502 Common grounding conductors4 {; ^% D0 r5 h8 N' n8 |( q
10-504 Common grounding electrodes5 H. {/ [: |9 f/ F
Bonding Methods: k& ~% D0 s. {0 G# U" d
10-600 Clean Surfaces$ B6 J- a5 b4 J7 m/ j
10-604 Bonding at Service Equipment
3 ?" i0 X8 b# H; S10-606 Means of Assuring Continuity at Service Equipment
) S N+ }' n' u( Y9 k1 B10-610 Bonding at Other Than Service Equipment
9 e, b3 {0 d# F# G3 c10-612 Loosely Jointed Metal Raceways% ~% {' r7 W0 y- z2 ]! G. w
10-614 Bonding Jumpers Table 415 U* I8 z* t8 L5 o7 \/ G( p+ h) Z
Grounding Electrodes
5 P% u& R7 P, I: T g3 s. r# ]2 {10-700 Grounding Electrodes
) X m1 ~6 |$ \' W6 f10-702 Artificial Grounding Electrodes% M* D0 g. ]1 ^
N 10-700 & 10-702
% }5 c0 t% ^: h0 U( J9 Z( P10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G): j( ^6 |( N- \$ T1 h9 ]& r
N 10-7029 a5 b, f, D' e# s
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
, Q: O. C9 y( P7 V9 `. KN 10-702
/ ^ f- A$ z |10-710 Use of Lightning Rods (Appendices B and G)
R+ g. K! J" ~1 AN 10-706
9 Z0 n# c' t" n. g: M7 G, yGrounding and Bonding Conductors
z2 D; Z3 C) X+ E; {10-800 Continuity of Grounding and Bonding Conductors
9 a4 { L/ E# K, W10-802 Material for System Grounding Conductors/ e3 L; y5 x( u; z8 s
10-804 Material for Bonding Conductors
. b: c0 X, @0 g" H10-806 Installation of System Grounding Conductors
$ b1 L$ C3 @* V( R6 {4 N U2 R4 `& ~& L' {10-808 Installation of Equipment Bonding Conductors
: g. ~, K" J' c" n: ^7 V1 {! n( T10-810 Grounding Conductor Size for DC Circuits, U: I( _2 S2 d1 c$ y& X
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
, Q0 ?! l; l0 L# k) C' v8 C3 t0 M10-814 Bonding Conductor Size (Appendix B)
( L2 ^4 R# O( v5 b' F0 t10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment9 ]# D; d3 L1 A: L& s2 D
10-818 Bonding Conductor for Outline Lighting% e: _5 t. D3 O6 I( S' s
10-820 Bonding Conductor Size for Instrument Transformers
. Y0 x* I4 Y6 @7 E+ @* ^; w6 XGrounding and Bonding Conductor Connections
. S9 |6 t- t2 M, i4 D6 N$ u9 u" I# ?7 C10-902 Grounding Conduct Connection to Water Pipe Electrodes* ]" J1 q5 S& }0 ]0 L+ g7 \
10-906 Bonding conductor connection to circuits and equipment( D2 [1 M$ n9 {0 ?: n
10-908 Grounding Conductor Connection to Electrodes
1 [$ u, V) ]' g6 ]8 KLightning Arresters" F$ L6 O* V. L1 }5 w$ f6 C
10-1000 Lightning Arresters on Secondary Services – 750V or Less
+ j( U/ I+ ?- @3 y) S% A2 c0 `) P
Section 12 – Wiring Methods
6 L, H& F9 _# \. O0 N! ZScope
4 v1 |5 J& S" J12-000 Scope (Appendix B)
. `5 K1 f: E z+ w5 JGeneral Requirement/ a) O$ f% e8 Y/ r( j9 f6 V8 ~" m" [- I
12-010 Wiring in Ducts and Plenum Chambers+ l5 q/ I& N+ Z. f
12-012 Underground Installations (Appendix B)+ `$ |( E# U+ c- W7 ]
12-016 Lightning Rod Conductors$ f. c0 }4 c, g( R
Conductors - General
8 `0 }! j% ]3 Q9 z* u12-100 Types of Conductors (Appendix B) Table 19
0 `. L. y* g; J( n- G12-102 Thermoplastic-Insulated Conductors
b- L$ P( K& q" x! A# T12-104 Flame Tested Coverings/ f% }; L. l2 Y( |% `8 E
12-106 Multi- and Single- Conductor Cables
/ P/ R- j+ S( ?12-108 Conductors in Parallel (Appendix B)
! c* C8 ~ q0 t12-112 Conductor Joints and Splices
7 s$ X7 W* Y+ v) z12-114 Ends of insulated conductors
9 U, `: x y' V6 ?12-116 Termination of Conductors (Appendix B)
% r- e# h! l) W, d12-118 Termination and Splicing of Aluminum Conductors
, o; L2 J5 o- D0 Q" m- c12-120 Supporting of Conductors - Table 21
* d* ~3 U4 X, @6 v- J+ T& uOpen Wiring! s, e5 x2 o; L _# i
12-204 Spacing of Conductors
+ I, K: C N3 e0 o4 M12-206 Conductor Supports" Y d( k$ r* I- e
12-208 Conductors on Flat Surfaces& f9 K! W( H$ Z6 M7 j- q0 ^ X: i
12-212 Protection from Mechanical Injury
8 p4 g- c$ _" u. C0 I' BExposed Wiring on Exteriors of buildings and between Buildings on the same Premises/ I% @/ Z5 K$ E+ J. K3 _
12-308 Minimum Size of Overhead Conductors. F9 @8 l4 S/ P; b: R( F: W
12-318 Use of Neutral Supported Cables
+ O$ o" s) d6 Q; N. ?. lNonmetallic Sheathed Cable+ U& p) G8 I' N! R- H7 _" Z
12-502 Maximum Voltage
1 p& r3 A4 H) k" K12-510 Running of cable between Boxes and Fittings (Appendix G)
3 g8 j3 J' [3 F12-514 Protection on joists and rafters: J0 |3 ~7 k- ~, Z
12-516 Protection for Cable in Concealed Installations (Appendix G)$ O: k. _& f( c$ f8 P
12-522 Where Outlet Boxes Are Not Required
% O+ I3 F/ L+ N! C. V. \Armoured Cable% \6 L: O& v+ ^. x
12-602 Use (Appendix B)6 O) h6 f/ n# E! ~3 l! ?2 s
12-604 Protection for Armoured Cables in Lanes9 M5 l1 d% q; q: _% A
12-606 Use of Thermoplastic Covered Armoured Cable8 h" f" m% f' K- F
12-608 Continuity of Armoured Cable5 ]8 p$ p# O8 O8 K$ E/ u
12-610 Terminating Armoured Cable- l: f9 V2 g; A7 I
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
& r- }& L7 J1 a6 y% N/ O% t) R& ]12-614 Radii of Bends in Armoured Cables
9 H! e! x* C0 z, N- k12-616 Concealed Armoured Cable Installation) X+ h5 m" B& o+ b$ x
12-618 Running of Cable between Boxes, Etc6 K1 p; ?. G2 p* ^
Mineral-Insulated and Aluminum-Sheathed Cable
, e5 o' u. A# W! G/ }7 U12-702 Use( E6 w6 y6 \! m5 e. a
12-704 Use When Embedded- w X Q1 `# y# I
12-706 Method of Supporting
* G/ C) \- W. G$ x% C) v12-708 Direct Earth Burial! o) A/ @* H9 F+ s) K' S a
12-710 Mechanical Protection& U" ^8 i+ x, Q
12-712 Radii of Bends
1 y2 ?5 q5 Z4 X12-714 Termination of Mineral-Insulated Cable (Appendix B). q. R2 [9 _: R. o4 W. j
12-716 Connection to Other Forms of Wiring
3 p8 ?7 D+ U6 W7 nFlat Conductor Cable Type FCC
0 x1 q' a" o% [, O12-804 Use Permitted
5 \* h2 H0 f0 j5 Q' T& X* [: P: ~12-806 Use Prohibited
+ L, j$ g, z( X" J6 E12-818 Anchoring
* d5 x" n% W4 I1 d; V! l. a6 Z, i8 D12-820 Crossings* m" K" J4 x4 Y ^- l/ p
Raceways - General
. F* k/ D: n. W" J2 I12-904 Conductors in Raceways4 C! n% h( v! f; x0 B
12-906 Protection of Conductors at Ends of Raceways
8 T8 |) I9 l2 v: t) `' r8 ?12-908 Inserting Conductors in Raceways4 C' r x+ J: n0 V L9 v+ V; |
12-910 Joints or Splices Within Raceways
! U0 m5 ~' B7 D7 t/ \& [: }12-912 Stranding of Conductors
! ^( G3 I4 }4 R7 f8 s4 K* [12-914 Electrical Continuity of Raceways F3 B+ P2 ]/ v$ M
12-922 Radii of Bends in Raceways9 N6 b2 v" O' g2 h
N 12-922 Radii of Bends in Raceways Table 7& T! z- H2 t2 K; x" y! V8 `
12-932 Protection for Raceways in Lanes; Z6 v3 W2 ~3 U! {0 ~$ \0 @
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
: H; g1 z- Q: ~7 t12-938 Capping of Unused Raceways9 Y6 p* S- H1 m& ~
12-940 Maximum Number of Bends in Raceways7 ?! H0 q& g/ ]! w1 w
Rigid and Flexible Metal Conduit3 D# o5 T9 i+ J# Y" }; a* d
12-1002 Use
: o$ @1 a% \, c4 M4 B6 T12-1004 Minimum Size of Conduits( b1 e6 }+ e, M
12-1006 Conduit Threads (Appendix B)
2 q- o C* ]' p9 G" j5 [12-1008 Thread Engagement# Z8 }( F9 }: h# L" r5 a5 q+ ?
12-1010 Maximum Spacing of Conduit Supports5 [ m& c t: @
12-1012 Expansion and Contraction of Conduits (Appendix B)
/ b* b( k4 S4 ?9 l5 @12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 # R% n6 @( E& {# o( S7 m8 ^# b8 p
Rigid PVC Conduit and Rigid HFT Conduit
" U* w; y2 S8 z6 M; w$ n3 `7 \12-1100 Use; p; ^+ t6 q" I. M
12-1102 Restrictions on Use
! o; U0 x6 U& t- G! ]) J12-1104 Temperature Limitations (Appendix B)
+ B) u2 d$ M6 K# x0 F, A12-1108 Field Bends (Appendix B), (2)
) n5 o0 t& F" U' Q12-1110 Support of Luminaires
! @" T" u0 [, Z8 }3 t6 z. n12-1112 Fittings
7 p. ?& C' W1 P/ ]" ]3 [" _12-1114 Maximum Spacing of Conduit Supports+ G/ T& G1 ?& l5 S
12-1116 Support of Equipment
9 U7 z$ ]. A% J+ G+ p5 i6 ?12-1118 Expansion Joints (Appendix B example)$ h) U6 Q6 b. C4 K7 y# D2 ? b0 b L
Rigid RTRC Conduit8 u" h. ]3 k/ K
12-1210 Temperature Limitations. E* @* F4 J& P6 ^; f
12-1214 Expansion Joints (Appendix B)) L4 y: N5 E. J7 c& C
Liquid-Tight Flexible Conduit+ f, D" B5 o. W. G/ ]4 O* m
12-1302 Use of Liquid-Tight Flexible Conduit
0 Y8 ~/ w H: {. L' R8 M- [12-1304 Maximum Number of Conductors% p! H8 \: e9 T- |' K& ]. L
12-1306 Provisions for Bonding
5 \; o* }+ q% XElectrical Metallic Tubing
7 _3 O* `. k- F( a7 U, L8 ]12-1402 Use
3 r7 {( X: K1 o: N$ d12-1404 Supports, [* X0 E6 U& |# V$ e6 y0 Q" c
12-1406 Minimum Tubing Size* H+ `1 r- T8 v; Q! d% ?( I
12-1408 Maximum Number of Conductors
& h* j; Y F3 W12-1410 Connections and Couplings4 _& X/ Y3 W' w% \- u
12-1412 Radii of Bends in Tubing4 X4 N6 u- g% ~1 ?1 J9 e! ~ \4 Q
N Table 7 f/ D- P. o. g# h: @
Electrical Nonmetallic Tubing7 W o4 [& a) W! L: X; ^9 c( }
12-1516 Provision for Bonding Continuity1 S) h8 `* r0 |
N 12-1514
/ w; \. i6 O( s- |9 [8 d9 `8 ]& gSurface Raceways" t% l( e4 T9 L8 r* M# L
12-1602 Use of Surface Raceway (Appendix B)
! ~# r7 L/ e0 M12-1604 Temperature Limitations( J: h9 z* V% \2 T
12-1606 Conductors in Surface Raceways (Appendix B)* h" `7 N& V2 F0 q; Y; D
12-1608 Maximum Voltage! s/ h3 Z" p) a. r; m. g9 ^( u) S
12-1610 Joints and splices
# O4 P+ n/ H# `% O( qUnderfloor Raceways
; {) q- B2 K# x& t12-1712 Discontinued Outlets in Underfloor Raceways
# o* S( k. e( Q. KCellular Floors
3 e* l/ s0 X2 x- e+ v12-1804 Maximum Conductor Size in Cellular Floor' y$ |7 a+ w" u6 j7 G
12-1820 Cellular floor discontinued outlets) G$ p& ~8 G/ w- Z- I0 W0 R
Auxiliary Gutters
: M' J" t. W( `8 x12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces3 C5 f5 } q& d% C, z- j
12-1902 Auxiliary Gutter Supports6 n/ A7 w# z7 ~
12-1904 Auxiliary Gutter Cross-Sectional Area
* K$ T& B3 i) A0 ]' t8 `Busways and Splitters
. s5 m2 X1 |- l3 D* B12-2004 AC Circuits in Busways and Splitters
' S% l* s$ x6 u( z" s, x12-2006 Busway and Splitter Supports
9 Q( G2 T5 n* z5 i. [8 a: W12-2008 Method of Installation of Busways0 P" X. V5 M+ A6 P5 R$ v
12-2012 Reduction in Size of Busways
# J1 t0 U- K3 g' u, `; y6 S12-2014 Length of Busways Used as Branch Circuits( y2 P- @& h8 B2 ?
12-2018 Taps in Splitters" w" m6 ^3 q0 \
Wireways
$ H3 P& O; `1 J3 m# R4 p12-2104 Conductors in Wireways0 z7 p5 s9 s/ V, f% C% Y
12-2106 Taps and Splices in Wireways
% W( ^& v! e, \8 P7 G* a- d Cable Trays) I" b3 j' r4 A4 Q5 q
12-2200 Method of Installation (Appendix B): V- t" g, A$ ?
12-2204 Joints and Splices Within Cable Trays
# c' c4 C- q/ ^. P6 t$ D! ~( _1 H12-2208 Provisions for Bonding
6 }" `7 T. K, t0 u) F0 i12-2210 Ampacities of Conductors in Cable Trays/ Y( n. O4 @. C5 A4 k3 G
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings4 Y* U& X$ E. r! j" m3 B( s- n/ C
12-3000 Maximum Number of Outlets Per Circuit
& D9 Z% I( i, J$ }4 _6 SN 8-304
9 T4 @ U: m, _2 @- e* L$ S12-3002 Outlet Boxes (Appendix B)
% J+ L: _* T- u9 m1 ~6 ZN 12-3000
' E# A Z R( N& U( S" r12-3004 Outlet Box Covers+ G) G" T" x) N+ v* A' X
N 12-3002
- }" G1 @6 J/ `. t12-3010 Boxes in Concrete Construction" Z; w7 K0 Y/ u! X! v9 Y* ~. b
N 12-3008
) t/ C+ Y' E# [4 D0 q" d- H12-3012 Outlet Box Supports Z! t' t2 y) Y$ F- A
N 12-3010; o" C4 ^8 @. v: u6 o
12-3016 Accessibility of Junction Boxes
: p' I; a3 A, N' V- G( bN 12-3014
0 E9 K: M% }3 O3 K12-3018 Flush Boxes, cabinets, and Fittings
) F* i% Z- g4 h; }( {- ?N 12-3016- B! ?0 {5 H/ `6 I7 m' D
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
7 K1 |( d' h6 q# Y! g' EN 12-3022' r- b4 p5 {; ]8 v5 C% ?1 f4 u& Z
12-3036 Maximum Number of conductors in a Box - Table 23
/ W3 |5 S: ^5 N T2 |# M! _: wN 12-3034
( R2 q9 {! q" v0 Y5 h5 ]- l12-3038 Pull Box or Junction box Sizes! t# @- w* K9 j6 U3 R( h5 _: i1 e$ s
N 12-3036
, {. t% h, ?5 @* A& m* M5 {, U M! Z2 e. b# K
Section 14 Protection and Control
2 S- l& N! @4 Q0 _9 \0 X9 t! [0 nGeneral Requirement+ @, I% E1 I7 o
14-010 Protective and Control Devices Required
& s' I$ x: S* W2 g4 f' m2 y2 a; f14-016 Connection of Devices" e* D! e2 t o+ ~
Protective Devices – General6 f. ~8 I* g. j' |; S4 L; y0 K
14-100 Overcurrent Devices Required
7 R! H L1 R& G: H+ W14-102 Ground Fault Protection (Appendix B)% O1 [4 u1 t- S$ e# L
14-104 Rating of Overcurrent Devices (Appendix B) Table 13
% t/ d# g( d" D/ Y) n/ g2 x14-112 Overcurrent Devices in Parallel9 [$ u2 a) _/ Q8 B1 o; n# I
Fuses) w7 J6 w! H# k3 T9 h
14-200 Time-Delay and Low-Melting Point Fuses1 S0 l7 i/ I( l* }+ [, g
14-202 Use of Plug Fuses
7 x/ c: Y; `- g- ~6 |) M+ M14-208 Rating of Fuses7 m# G/ c# |5 ], b- n9 L
14-212 Use of Fuses (Appendix B)) J" x- P7 Z& p9 G& n' U/ k1 d
Circuit Breakers5 z' r$ |: Y% i4 v+ E
14-300 Circuit Breakers, General
" P. I6 Q% s$ [/ `5 H7 n* f a+ L14-306 Tripping Elements for Circuit Breakers
8 [! k$ k' K8 S6 n Q2 ?: @" C2 y9 o14-308 Battery Control Power for Circuit Breakers
- B2 l) \1 o( W2 p" D i" R5 TControl Devices - General
5 ]& l' f K, G. Y y/ K$ C1 I; i14-402 Disconnecting Means Required for Fused Circuits7 s. ], ?3 F/ U$ X( r4 ^3 O$ K# H
Control Devices - Switches7 v* c6 l# y, W4 s3 r- ]1 z
14-502 Mounting of knife Switches. A/ g1 ^8 I' W" t2 n9 L
14-504 Maximum Rating of Switches2 n% i' R1 B4 m: N% N" U
14-508 Rating of General-Use AC/DC Switches (Appendix B)
0 Q' B8 t$ u0 L% S) z; G+ W- h# H14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
( T* A4 j( g2 v3 a) pSolid State Devices& N! d% \# U7 U- i# Z
14-700 Restriction of Use
$ L/ C. C2 S1 J! H1 Z( g; J8 |+ o14-702 Disconnecting Means Required; g1 ~6 b5 p; J8 P
3 q9 b, L, E- FSection 16 Class 1 and Class 2 Circuits: B( l- P2 G; p. [
General
! B1 A7 a7 J2 p2 D16-004 Class 1 Extra-Low-Voltage Power Circuits `4 K; U* A$ g# P1 H0 z0 P
16-006 Class 2 Low-Energy Power Circuits
( x2 P! Z. d6 g' r2 L; H5 R16-012 Circuits in Communication Cables
# K5 n* [, F; D. r4 _% r7 F. KClass 1 Circuits; d5 O. w5 Q( g% }6 i, P. d" h$ {6 U
16-100 Limitation of Class 1 Circuits
3 W& l& |& |% {16-104 Overcurrent Protection of Class 1 Circuits+ c: u1 A- Z8 u: k& H% \5 c
16-106 Location of Overcurrent Devices in Class 1 Circuits
9 f/ a6 c& l" O3 c16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
8 n c/ i1 A2 Y16-110 Conductor Material and Sizes
5 j$ D, w& i% k1 }4 \: c! |3 V16-112 Insulated Conductors for Class 1 Wiring
: {9 f3 t4 i: O$ B5 n- D" }) ]Class 2 Circuits) `7 h8 ?1 t3 ~) h; F' n. p
16-200 Limitations of Class 2 Circuits (Appendix B)
8 b+ w1 ^4 Z6 ?) a2 f16-204 Marking" }! o& d: q$ d3 i
16-206 Overcurrent Protection for Class 2 Circuits- h1 I/ N+ M3 N( g
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
1 n& `3 R% r. \- L9 W% h+ OELC: extra-low-voltage cable
( P! g0 z2 U4 O, }% H+ u16-212 Separation of Class 2 Circuit Conductors from Other Circuits
) c0 p+ F5 F, p# b$ w
, q4 Q( I, ]! lSection 18 Hazardous Locations
* G$ T! _6 e) \$ M2 NScope and Introduction
/ \, S* ~! l' l" N* j18-004 Classification0 r/ I7 a+ Y& Y9 y
18-006 Division of Class I Locations (Appendices B and J)
6 k' `& v- b- p$ W- h7 W" P18-008 Division of Class II Locations (Appendix B)
9 Y& g) s+ E0 W; _18-010 Division of Class III Locations (Appendix B)
/ N: `: X2 r4 q! R/ ] {2 o9 ~General5 k4 v- f/ o. J4 A# p2 h" o
18-062 Metal-Covered Cable (Appendix B)) ?) H9 r' c+ v& Y( ]' V& n
Installations in Class 1, Zone 1 Location5 |$ E- M1 |( i
18-108 Sealing, Class I, Zone I (Appendix B)9 S$ c) i9 ?% \. H0 A& {
* w( T; a5 T. k8 H$ u( ?& q
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
, e, B3 y5 R: P6 aGasoline Dispensing and Service Stations9 S4 w3 |! W/ {7 e% G9 I
20-002 General
( q8 C4 z2 T) R( x2 \20-004 Hazardous Area (Appendix B)8 V' |/ I( U$ `- ?) d; `
Propane Dispensing, Container Filling, and Storage
6 M9 t# y6 V9 W20-034 Hazardous Areas - Table 63 Z. A# W% L3 Z5 ~7 v9 x
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
& E) N* d0 S( U2 B- J20-062 Hazardous Areas+ l6 ]; a2 s/ y+ m" @7 u. D
Commercial Garages – Repairs and Storage
! ^' f- j u; o. ^! C3 K20-100 Scope5 J V4 U- |6 \1 J' c& y
20-102 Hazardous Areas (1) |; @. _: X8 A5 s M5 @- }1 r
! P! J' m; L5 q7 _+ ?Section 24 Patient Care Areas9 f, H+ R% m1 [8 `/ p5 c
24-000 Scope (Appendix B)% S+ q5 m7 g5 A! d$ N
24-002 Special Terminology (Appendix B); w% a8 M* z5 z: d2 l& R
Patient care area8 O& S. N4 [: f/ k
Patient Care Areas
: b- S% p( |) E; l) u& W+ n' V R24-106 Receptacles in Basic Care Areas (Appendix B); R9 O. \6 x3 j( t8 V: `
Isolated Systems
; t) P2 e. a. C! D1 ~7 c8 T24-204 Single-Phase Isolated Circuits (Appendix B)) ^$ k5 q9 D6 F, L, f+ B0 a. S" A8 f
24-206
7 W& [0 Y. L" U! A* Q9 q0 U. G' }3 E5 v4 |4 \; x. x+ e7 a! i8 V B0 Y
Section 26 Installation of Electrical Equipment
. U" ]2 X) I! ]General2 ^, M- P! L3 ]* z0 p. O" O
26-004 Equipment Over Combustible Surfaces (Appendix B)# Q6 C% p) D- M# `4 g
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)8 e# N, E& J& k* t
Isolating Switches9 O- h5 d' n- i- v- q3 {0 U8 T3 a
26-100 Location of Isolating Switches
, @ E1 x- R# ]3 @ h+ sCapacitors" M" E3 q; [0 B: O+ N) s3 s; H1 F
26-204 Guarding of Capacitors* I9 H$ k" W5 X# H
26-206 Grounding of Capacitors9 J# F( a" t: Q0 a' k s2 O+ U
26-208 Conductor Size for Capacitors
9 g. }" L3 q/ `& J6 \% E26-210 Overcurrent Protection (Appendix B)
$ z0 b( |9 X) |8 d: b$ i/ u26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
. H9 Z$ a. f7 P8 o26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits6 @, b; S$ z6 D$ \! [2 ]" Z: U9 g
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
1 N/ s% R+ D( _* ~26-218 Special Provisions for Motor Circuit Capacitors. B( o6 {/ o0 A) [. v- ]
26-222 Drainage of Stored Charge of Capacitors
# h! K. J+ U& B+ S( y% \0 }Transformers
+ o; {* p" P4 E1 a# o26-240 Transformers, General
3 f& O+ M( Q( p M& u) d: W3 v" S1 h26-242 Outdoor Transformer Installations
. J9 Y1 }2 U/ ?) o D26-244 Transformers, Mounted on Roofs (Appendix B)2 w4 [" f% X6 g3 C: p3 ?
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
( V* P! c7 Y6 T3 L# ?( {26-248 Dry-Core, Open-Ventilated Type Transformers8 h5 W6 |/ q/ V. c
26-250 Disconnecting Means for Transformers
6 ~6 x m/ o4 x6 V1 k3 Y& p. `8 [' k26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
. Y& Z5 s4 s$ k F. F( R26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers1 z, p% `" P# S
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
. b, \6 } O/ d% k26-258 Conductor Size for Transformers: t) L9 v8 J& L
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)" U% `6 M' _ H& N4 h
26-262 Marking of Transformers! G. T7 W" A* C, S
26-264 Auto-Transformers9 r+ T+ D, p3 X7 I- J$ z, V
Fences
1 E8 c( i* I6 b" s" r( t) Q' K: @26-302 Clearance of Equipment - Table 33
# d" z( S. v0 b- z+ {% s. ePanelboards
( m5 d) L n+ a, x& A' p26-400 Panelboards in Dwelling Units (Appendix B)
0 i. A- j7 F. ?0 w- ^3 @# u26-402 Location of Panelboards (Appendix G)
7 G5 [% ], p8 ?# \4 HLightning Arresters
' h2 ~( A- p4 w26-508 Connection of Lightning Arresters U2 f) }8 ^5 Q. i# h+ |# l
Storage Batteries% }6 v6 h' P( f8 {( J
26-542 Special Terminology
7 [2 x) p% G7 D26-550 Battery Installation
: [+ Y4 h9 d3 M; ^8 c, U26-552 Wiring to Batteries" o, l4 h0 w2 `3 U6 t, \% H4 c
Arc Lamps' U, h, l9 e' J2 H
26-600 Location of Arc Lamps' V( ~* b6 F2 H/ o: M) |8 q
26-602 Conductors to Arc Lamps/ j: e' Q/ a! x, c' I
26-608 Globes and Spark Arresters
" v. |' n* ^- ~/ rReceptacles
, F9 T) `0 x: q* D$ Q, d6 p26-700 General (Appendix B)6 S$ @+ d, S! v' d' v2 B% p8 B
26-702 Receptacles Exposed to the Weather
* ]+ G! M. i6 b1 v& K% OReceptacles in Residential Occupancies
2 X1 e V: _. s26-710 General (Appendices B and G); g2 @- U% o( f- g5 R) K: ]6 y! K
26-712 Receptacles in Dwelling Units (Appendices B and G)
8 g1 j' Z( k0 o% O9 `26-714 Receptacles in Single Dwellings (Appendices B and G)7 O* h$ E. y4 O) b: \
Branch Circuits in Residential Occupancies" \" c0 h* w4 W( E) o
26-720 General0 ^4 [: V% H$ \9 b g( P1 J
26-722 Branch Circuits in Dwelling Units
% G- A# B M( D# M1 {$ y2 n26-724 Branch Circuits in Single Dwellings: J; U" D7 c0 c& k7 ~
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B), d' V5 P5 J" [0 ]! n! B, k5 X
N 26-720 (F). b/ h& V5 ]+ D1 K4 L4 h: {( c
Electric Heating and Cooking Appliances
% v! c: M+ U: P/ H26-744 Supply connections for Appliances4 I, g) f' O* R; B# E
26-750 Installation of Storage-Tank Water Heaters( V! B- d$ ^. Y D
26-752 Infrared Drying Lamps* C' D6 h9 u3 O( F, o
c" p0 f2 r: z' n( H- |0 l
Section 28 Motors and Generators
* a$ x' n7 S9 ^: W" A) BGeneral+ ?& P; I) c0 @" _# M8 \
28-010 Special Terminology
8 w5 m; C* I% H$ eHermetic refrigerant motor compressor
7 h0 P6 \* y& D% gLocked rotor current rating0 h# L! j3 o/ k, I3 u9 T' _0 U
Service Factor
( f; b, L0 _7 ?; y7 E3 ^% U' @Table 44; Table 45; Table-D2; \; i% b) O' p3 W% d& w8 E) f1 }, }
Wiring Methods and Conductors
: s6 }& J6 U3 h: D( B- x& K) X4 C. Y28-102 Portable Motors' }& ?+ I. z* z$ \ f9 z" @. M
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity( i7 V: h5 g3 {0 q9 W. W
28-106 Conductors, Individual Motors% f3 K k% E; ~! w2 n
28-108 Conductors, Two or More Motors
0 e M7 y5 K4 U* O, }/ f28-110 Feeder Conductors* }+ I- c" F7 }, b6 g
28-112 Secondary Conductors- m( g/ J" p8 a. ?" r
Overcurrent Protection! }5 k7 N) d4 @% B! v& m
28-200 Branch Circuit Overcurrent Protection8 H" F# D9 X( u5 e( d7 _2 C+ V
28-204 Feeder Overcurrent Protection2 B9 B# b v- x3 B9 ?% `! t. g
28-206 Grouping of Motors on a Single Branch Circuit
5 W9 O' c! y I4 L# M3 X, E; W28-210 Instantaneous-Trip Circuit Breakers (Appendix B)3 W' N. A4 o2 U8 R) g* |! F
Overload and Overheating Protection- E d& n! f R6 p6 k& E4 q% Q
28-302 Types of Overload Protection
7 U( L1 H3 f) Z5 l28-304 Number and Location of Overload Devices (Appendix B) Table 25
- ]5 M8 B2 V( J. q8 L" A- t28-306 Rating or Trip Selection of Overload Devices (Appendix B). E, Y+ }" V: X& X
28-308 Overload Protection Not Required
. P5 {; [# ?9 m6 @' ~Undervoltage Protection
# L3 @4 J+ \# S28-400 Undervoltage Protection Required for Motors (Appendix B)
. x' |: S0 u, h9 iControl
5 e: j. w) k5 p( s+ s& m28-500 Control Required
9 @; b3 X, y" D5 z& f28-502 Control Location, l# e8 t6 r% s8 f; M3 C
28-504 Starters Having Different Starting and Running Position. z5 J6 L7 F/ t5 P' ~
28-506 Grounded Control Circuit
# d# I8 U |+ Y) \( wDisconnecting Means
/ ^* a7 Q, s o8 Q28-600 Disconnecting Means Required' M$ O# V b8 d9 q' b+ C
28-602 Types and Ratings of disconnecting Means (Appendix B)
5 J3 Z: o$ x R$ q6 R* }28-604 Location of Disconnecting Means! d9 B4 |9 ~. k _8 Z! Z
Hermetic Refrigerant Motor-Compressors
3 O" U1 v& x1 B! [+ J28-706 Conductor Ampacity
1 r3 d7 E7 X: h" J28-708 Overcurrent Protection( k g# p; X8 J
28-714 Disconnecting Means$ B& d; _0 }: d3 @, Z$ U- K" s2 I
Protection and Control of Generators; {* r# I! J' W' P" ~
28-900 Disconnecting Means Required for Generators
Q/ o, h* B2 m& u28-902 Protection of Constant-Voltage Generators
5 g- l2 |$ P U8 t2 r* J3 w28-904 Generator Not Driven by Electricity
S: d, T7 d1 H9 A$ m( X28-906 Balancer sets/ ~8 m- Y9 n8 E, e
28-908 Three-Wire Direct-Current Generators
A, N: M" q8 y- E' D. H
) ?) H0 p0 B/ X& p% A7 h: kSection 30 Installation of Lighting Equipment% X4 A8 {/ g4 z% a
30-002 Special Terminology (Appendix B)
h# S8 Y! a; L9 L. v5 Q3 ^General
6 _3 p! w" Z' c30-102 Voltage4 B! K% z4 ~/ f3 L9 r, Q+ A* ]. n/ X
30-104 Protection (Appendix B)$ b: m, |# @ E/ J7 V
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment; x+ w1 E- N. t+ Y7 S8 A, B
30-108 Polarization of Luminaires
. J# D @. g/ s L) H) j30-110 Bonding of Lighting Equipment
1 J7 h+ p2 @* z0 |$ ^5 ?Location of Lighting Equipment( c' { z6 X7 W" I" I
30-200 Near or Over Combustible Material, K* W' |0 b6 [) W7 ^( q
30-202 In Show Windows
( \( Z" X" h, k30-204 In Clothes Closets0 ~; i* {4 K" p7 e* h
Installation of Lighting Equipment
' p4 {/ W$ T) y4 Z# P/ H) f- E30-302 Support
. q$ h& {: n- n30-304 Outlet Boxes to be Covered7 z6 U7 G3 T1 q4 t6 \9 {
30-308 Circuit Connections
, ^4 l6 I7 j' u$ X30-310 Luminaire as a Raceway
( n. S$ V$ G8 Z8 V7 a/ ?30-314 Minimum Height of Low Luminaires1 b& T" X o+ s2 Z3 {" I
30-316 Luminaires Exposed to Flying Objects
) r+ K I! i5 J) j30-320 Luminaires in Damp or Wet Locations
& O$ @0 R7 _8 K/ {. f0 FN 30-318
! D9 W; L& N. |( rWiring of Lighting Equipment
" G2 l/ l0 y& |/ u7 l3 s30-400 Wiring of Luminaires# k+ x( z' T2 U L8 r
30-402 Colour Coding
/ S; ^" r+ L% q# Q30-404 Conductor Insulation
, H' |) t/ `- p- {7 _30-406 Conductors on Movable Parts( O8 _7 F: K' J. ?: L
30-408 Wiring of Ceiling Outlet Boxes4 c" n* m0 d z0 p: S
30-410 Wiring of Show Window Luminaires: U: j: k; @& F' @
30-412 Tap Connection Conductors
: B0 @4 @( N& j9 ELuminaires in buildings of Residential Occupancy
; R m6 n& f3 _& O30-500 Lighting Equipment at Entrances (Appendix G)! n# ?7 E9 S, C4 _8 B! g+ d
30-502 Luminaires in Dwelling Units (Appendix G)
, r8 V0 G' G, X. K0 }30-504 Stairways (Appendix G)7 t2 F! o& Q; P
30-506 Basements (Appendix G)
9 V1 k# _2 `- J$ o; u" P Q30-508 Storage Rooms (Appendix G)6 ]$ Z( e% F' U: Z1 ?
30-510 Garages and Carports (Appendix G)
& J) x8 P; e3 C/ h GLampholders( C$ B7 p7 I5 S: G. z9 w
30-600 Lampholder rating with Incandescent Lamps
3 H8 h* m7 P# ?) uN CANCEL
: J% O# t: t0 R! N% I% G30-602 Connections to Lampholders
0 j6 n; R8 q$ V8 A. U' {! }* d4 IN 30-600
" d- A2 j5 J+ t6 J30-604 Switched Lampholders Used on Unidentified Circuits
% L; J* L0 \! J) a7 gN 30-602
/ Q' C W) @1 y. R& `30-606 Switched Lampholders with Pull-Type Mechanisms W2 d8 @) K4 ?9 F3 h5 }2 W# `+ P
N 30-604' y3 l" u/ ?5 q7 k' }6 Z- v
30-610 Pendant Lampholders M4 }) Y% Z2 a6 n& Y9 L
N 30-608 O6 D( {9 a& Y3 H. Y
Electric-Discharge Lighting Systems Operating at 1000V or Less" p2 Q' Z2 R$ L7 {9 j7 O+ }) i2 j
30-710 Control (Appendix B); _5 D8 {, }8 g; _ k% X1 Y) U
30-712 Branch Circuit Capacity- c8 @0 @, b; V! I4 i* ]5 N
Electric-Discharge Lighting Systems Operating at More Than 1000V, x0 r' w8 z0 [6 F6 z2 Q
30-802 Voltages, Dwelling Units
. D0 ~7 Q) |2 {' k30-804 control (Appendix B)
' |& D! L3 Q C% ORecessed Luminaires (Appendix G) U/ O# C/ w* i5 W# h1 W# G8 v
30-902 Spacings for Non-IC Type Luminaires! R# F% E, m$ g$ A& m- e
30-910 Wiring of Recessed Luminaires (Appendix B)8 d' D1 U+ N- u) ^) z
Exposed Wiring for Permanent Outdoor Lighting
; D+ j- d8 |' ], I7 @30-1120 Branch Circuit Loading and Protection& q B" p: d( S* `
Extra-Low-Voltage Lighting Systems! [5 f2 [# G" I9 Z
30-1202 Sources of Supply
. g: o& Z4 l! t; i" ~
8 A, h" D- b" z+ L8 bSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
3 g% w, ]/ P8 D. N$ D, t6 pFire Alarm Systems
9 q3 D9 M9 S" D# o! C+ N0 B32-100 Conductors4 n1 D% Y9 U4 e* Q, b; l) G
32-102 Wiring Method% C, r- @7 n- Q8 p. k0 _1 R
32-104 Equipment Bonding
; g! @' q% C% N( n1 R32-106 Electrical Supervision) Y: P5 [" K! [6 A0 b0 A1 I
32-108 Current Supply$ T2 W2 Z; J. \/ ?1 N
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
" W: |4 B7 S7 v8 ] {+ TFire Pumps
$ D( c8 D) o( b. Q% \32-208 Overcurrent Protection (Appendix B)
: d1 m4 Y1 N B) S1 z6 W( b. VN 32-206
+ I4 a2 z" _0 o( w$ H: w* E32-210 Overload and Overheating Protection (Appendix B) Z& `8 `4 F( l7 Y. U. p
32-212 Ground Fault Circuit Interrupter (Appendix B)
a9 r+ n6 s. P/ H, c1 r- j+ a, ^6 M3 r$ n+ n
Section 36 High-Voltage Installations' e b, U* Y+ Z3 N* v, O/ e* }4 {
General- a" ~4 W+ _$ j
36-000 Scope (Appendix B)
. q8 b3 T' t; \) A Q36-006 Warning Notices
( A! o4 {; G9 X4 @# iWiring Methods, L; q7 U! S" ?* z
36-102 Radii of Bends& n7 a% Z; Z S
36-104 Shielding of thermoset insulated conductors! t1 q k9 a( I! a& H
36-108 Spacing of Exposed Conductors (1) table 30, table 31+ w4 U: T: M, g
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
8 \, F: z! m7 R- Q8 zControl and Protective Equipment, b8 r) b, n/ P& A
36-214 Disconnecting Means
# @, c' | s$ G _+ F3 }8 Z Grounding and Bonding( }( w1 J6 Z% \" O
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections! A0 ^& z6 H5 a. q3 o( ^
36-302 Station Ground Electrode (Appendix B)0 h: U1 k# H. U# g
36-304 Station Ground Resistance (Appendix B)2 E) H0 ^1 K: c3 Q
36-308 Connections to the Station Ground Electrode (Appendix B), E2 e/ j' r4 E$ e% T
36-310 Gang-Operated Switch Handle Grounds
3 E# m4 E& j; c) R! e1 {9 G6 v8 I36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations% y/ \, Z% z& L+ T T% ^; k
7 V- z# W' X9 W: j; GSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment+ T% u; i" \) V5 x! c* R, q6 @
38-002 Special Terminology (Appendix B)
- F) a- {* b$ J" e. g38-003 Voltage Limitations (Appendix B): T, [5 R$ @) x! ^
38-004 Live Parts Enclosed% S! y! T/ D! S3 I4 H$ p- S
38-005 Working Clearances5 B, G! T; u& u3 z6 G4 u% I* c
38-011 Insulation and Types of Conductors8 W3 C# P! ?& ]1 c- }' U
38-012 Minimum Size of Conductors
8 S2 Y. [+ T% @' n* W: L5 s3 V. y E' v9 f' Y% G: K
Section 40 Electric Cranes and Hoists
5 V# O- T9 A. T& G40-008 Disconnecting Means0 Q' B. n5 R0 _) U4 b4 X
40-010 Main Contact Conductors
% d) H: w' j& m- K; o& X7 m5 r- ~0 [+ j ~5 T
Section 42 Electric Welders# q8 h6 \- {6 [& e* A
Transformer Arc Welders, F: p4 _; M# B( c3 g F
42-006 Supply Conductors
; t& B* p1 F* s( z0 i) d
* I$ u2 G# N3 G# wSection 44: Theatre Installations
5 C& }+ l3 [2 U1 e; d) c& [- nGeneral
5 I" D6 q {3 M44-104 Number of Conductors in Raceways
5 s' n4 Q3 k1 F5 e9 {44-106 Aisle Lights in Moving Picture Theatres
; V$ O Z8 n7 H) v2 |Fixed Stage Switchboards
+ N) A& M& c J/ G44-210 Overcurrent Protection
6 M I6 h. D6 K! h* z* j qFixed Stage Equipment
/ |" p4 ^( b" N; `! ?; B44-324 Receptacles in Gallery Pockets; `. B( ]- W0 j! x2 M: z+ V# k$ N$ g
44-326 Receptacles and Plugs
: n& N" [$ G, M3 m( s- \# G& b- G/ U
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
/ r* d& t. w0 |6 e5 vGeneral
8 A/ H1 p) `" o% n1 Z. |. \46-102 Instructions/ A4 k& T. _9 `6 P* a" K
46-108 Method of Wiring (Appendices B and G)
! {8 L0 ^% Y T6 J0 P* l$ @+ s6 `Emergency Systems
/ }# O* V0 |& O- Y' Y46-202 Supply (Appendix G)
# K% B! t( z* i, B5 t& c% u46-204 Control* k. d8 `1 [, \+ B. [. G
46-206 Overcurrent Protection
, Z4 e' z e; \/ U. t, [& H46-210 Remote Lamps4 T9 O% z1 {% K" y. A8 j6 L
Unit Equipment
$ C& n* v5 g0 A" k' i$ `+ p46-304 Supply Connections
& P7 W4 I( v. U/ X% d/ E+ Z46-306 Remote Lamps (Appendix B)* {# r% T. m3 J$ ]7 d
Exit Signs
. r! X1 P7 A# Z6 @( _46-400 Exit Signs (Appendix B and G)
* C# d; Z. R" g) [5 K& [& p" W6 n& r2 V; c) w0 a1 I
Section 54 Community Antenna Distribution and Radio and Television Installations+ b5 H! [# c: g$ O+ s( c a7 t
54-000 Scope, y1 ?3 C) @9 P g
54-004 Community Antenna Distribution (Appendix B)/ K7 m- t. `/ F/ I8 M! d
Community Antenna distribution
: Q, L7 r. M8 I c# r* e54-100 Conductors
) h: Q& N2 |8 A54-102 Voltage and Current Limitations (Appendix B)
2 x0 ` j4 l: M" _/ f9 P8 B6 w2 YProtection
, v3 Q3 R2 l) p# P# D1 S" d) X* x54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
( Q* J' ^2 a7 B+ Y* u$ j' @Grounding
* q& q9 h, [ @; K) x1 l54-300 Grounding Conductor+ s: D% |4 B+ M- F
Conductors Within Buildings
) v9 Z/ P1 z$ ^7 d, g, T/ }- d. _: E w54-400 Separation from Other Conductors2 x2 ~( V! p5 I
Equipment
1 R, X% `* n! d. b54-500 Community Antenna Distribution Amplifiers and Other Power Sources6 Y# g8 E, k K5 ^3 c; N
54-502 Exposed Equipment and Terminations
8 `3 J* S B; D. s* U, c2 i
$ \% J! ]6 _/ U7 BSection 56 Optical Fiber Cables8 b, c0 d; o/ f2 ^5 N; Z
General, V0 S% z$ H& ]/ V' z6 K
56-100 Special Terminology2 Q2 o ^: |9 K! I8 B' a5 i+ b4 `
56-102 Types
- r) s0 ^" i5 X" n. LInstallation Methods# v h1 x5 ^, _
56-200 Nonconductive Optical Fiber Cables (Appendix B)
3 y( R _4 X9 j! {2 {. ]56-202 Conductive Optical Fiber Cables (Appendix B)4 c( g+ m# j9 ?5 H, e7 `1 }
56-204 Hybrid Cables
9 e( Z( b _0 y- d- t56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
& o( I7 q6 K6 O3 \* p6 h7 n# L/ _4 O2 D9 M' `: d
Section 60 Electrical Communication Systems4 p5 k( j3 c: d0 m
General- G2 \" ]/ S# K* w4 T" ~; [
60-100 Special Terminology
, u$ A g; y, `( ^Protection* s! w0 O/ f& u4 e
60-202 Primary Protector Requirements, F8 e M$ b& n4 Z
Inside Conductors$ C" G% v$ y7 f: \0 t" D5 @5 H: D, T
60-308 Separation from Other Conductors
4 k4 k, ?* l$ N* \Equipment' i) p7 \3 Q1 G' g! R' @/ a
60-404 Exposed Equipment and Terminations0 [! o% B' Z; O) s/ o
Underground Circuits
i! D- q: t" w% V2 E6 A0 P60-600 Direct Buried Systems" Q2 {/ E# @: b% O4 D9 Y% E. l
6 a$ g2 Y' U3 S) R9 D/ u) ^Section 62 Fixed Electric Space and Surface Heating Systems2 `0 _0 ~& u( x2 k% M' K
General" b( L) R K/ @
62-102 Special Terminology, f9 |5 x) R) Z
62-108 Branch Circuits
6 b% _+ b8 Y, n; f" |0 E62-110 Installation of Fixtures
: T4 g6 G h% v! F62-114 Overcurrent Protection and Grouping (Appendix B) (5)
: _; h" N! l" q- @* I62-116 Demand Factors for Service Conductors and Feeders (2)
( V# @/ H5 e3 [. P6 {62-118 Temperature Control Devices! L1 `& D. f5 K
62-122 Installation of Series Heating Cable Sets (4)(7)
$ a" q3 Q# }' D0 ]Electric Space Heating Systems
; G: L/ m& J4 S& r# w2 V62-202 Temperature Control; F* r y4 `( C) E4 Q* K; H2 [9 Y
62-206 Proximity of Other Wiring (Appendix B), i. i7 G9 \: I* i: i4 j6 ]% C2 E
62-214 Installation of Heating Panels and Heating Panel Sets
( e1 b3 G" a: ]62-218 Series Heating Cable Sets in Cement or Plaster Ceilings( _) p, N( }, t
62-226 Installation of Under-Floor Covering Heating Panel Sets
1 x N! i5 P1 h& w! U; @$ UElectric Surface Heating Systems6 Y( \- A! n3 k3 ^
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
4 Q! U* F6 i1 `, q5 ^* T2 V) z; D% r: x* l, U. @- V
Section 68 Pools, Tubs, and Spas
b4 e5 ^$ F9 u" G; ]* ~/ |General
8 P+ v# ~- |$ h# T- g' L+ o68-050 Special Terminology7 I: T. K+ _3 n0 m
68-056 Underground Wiring - Table 61
( Z# Z/ n" b. E+ d/ o! i68-058 Bonding to Ground (Appendix B)3 ^3 }% @3 i# T5 ] I8 y, U, r$ Q3 w
68-060 Junction and Deck Boxes (Appendix B)
, a; h( C" n& t4 G68-064 Receptacles. a) \4 v( E/ V& Y0 K
68-066 Luminaires and Lighting Equipment
8 x, y+ {& N& o8 w9 ]68-068 Ground Fault Circuit Interrupters (Appendix B)
4 P8 M2 V2 A( k0 S3 K" ~" E& B7 ^
) _ D" s3 c1 b" KSection 70 — Electrical requirements for factory-built relocatable structures and O; V3 I4 S+ k# Y( v& S
non-relocatable structures
0 k, o+ }* p$ W70-130 Tests (see Appendix B): l, c: I7 y3 {1 R% f: C
; s) O4 M) [- V D% }/ |
Section 76 Temporary Wiring (Appendix G)
' g, e6 a; \# k! h" U# B' A: d76-004 Grounding, [4 y5 Q' W+ m* d) F/ M
76-008 Service Entrance Equipment
! F2 H3 H) o0 b! N4 ?9 m$ nN 76-0068 l& V g K, G' p& r* p
76-014 Branch Circuits* S8 \5 g [( Y2 h$ R$ m0 S
N 76-012
, \: ^' ^ p$ t3 a# X/ j2 ]8 Y
4 [+ x& |; D4 y1 R; B7 GSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
7 D* O5 S" a2 x3 ~, r0 @6 bMarinas and Yacht Clubs" d- E) V( p! d
78-052 Receptacles* P) ?- T* ~3 G) A* K
78-056 Feeders and Services0 z) x4 h9 C8 ~
Marine Wharves, Structures, and Fishing Harbours7 j6 ~' j2 q. E/ f6 Q+ u9 s
78-106 Grounding and Bonding2 d$ }2 |; G9 r" O& C2 [9 C
Tables
' X5 x' n, E( s. A4 V1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,659 k. y( a5 B( q: D( v4 E
9 q6 o! ~5 |. U7 c% x9 c5 G a
Diagrams: 1, 2, 7
5 R7 K) i5 L" |6 ^+ R1 J- S0 L& A c
Appendix B( Y# R$ p9 s' w
P352: Ground fault circuit interrupter- 6mA
7 s/ |4 i* |- A$ OP354: 2-126 FT1, FT4
. b8 O! B& Z9 q" G: X6 uP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
6 l8 k4 D% P; D$ }2 W" MP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
+ \+ p/ e5 S( |7 N, h' tP370: 12-1012, 1118, 1214 Example:
, P. L2 E9 }1 mP371: 12-1108' q5 K$ j7 q& Y l' l
P381: 18-108(1)(b), 18-158(1)(b)3 a3 X2 I6 X1 Z, F7 L. ], Q
P386: 24-206
9 l E, C8 h7 F. x* ?P389: 26-256
G; c( R* ^" X& h5 IP391-P393: Section 28, Example to determine Motor Conductors and Protection
( M9 s+ z9 i- V8 ^' F' n6 A/ U# |& d; X v% w: D$ k- ~
Appendix D
4 u# N; p' V) OTable D1, D2, D3, D4, D5, D6, D7, D16 |
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