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Canadian Electrical Code Review Guide
1 I4 v% `0 {: C( j+ k- @0 |' h# vFor the Exam of Electrician For Red Seal License9 z$ R. y/ ^7 H
# C# d ], T# S; r
Lesson One
4 H0 X2 v ]3 y) KSection 0 DEFINITIONS. {. Y/ N% X( A8 v; P! K4 I) ]" m/ C& E
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:3 U+ B* a$ b0 K4 d9 i0 z
Accessible as applied to wiring methods
8 } Y. g' y2 c' f7 j n( vAlive or live
6 L2 I* A* `) i% l8 _$ [Aluminum-sheathed cable w. Y; i m& N/ }. |) P
Ampacity
9 k6 t6 |' d! O: R# ?9 a! eAuthorized person
+ s' _* u7 k8 a1 b% l; S' _Auxiliary gutter
! N$ t' d- i1 d7 p( }# w" m2 O; lAWG5 a2 M* O! B. g
Bonding! a5 \) Q$ X/ i( ?% v% d
Cable tray
+ e, e& U2 P% H( Z" \2 c2 KCellular floor! X2 y7 ]6 L# g+ K+ } n% p
Branch circuit
2 f7 L {$ T6 nBus
( _5 s2 N- {# U* }Busway8 @$ F @/ B, c, [4 F" Z8 |
Communication circuit! m2 E. R0 I7 w
Extra-low-voltage power circuit( Z* L, I5 G3 G6 E; l! r! q1 B5 z
Low-energy power circuit
& O e; T" \6 K N2 DMulti-wire branch circuit; k& g+ b) @/ d4 y
Remote control circuit7 @1 y4 s+ g, y0 j
Signal circuit
# d# V3 t) ~! B/ ECircuit breaker
1 R6 z2 Q8 V$ l3 ^Instantaneous-trip circuit breaker
# D$ I, v3 l& @$ D9 J) ^( t% ?+ G8 [Conductor8 Y4 [4 o: W7 f/ C' y# ]
Conduit
$ p0 e. ^6 E$ m7 i Flexible metal conduit" X8 N, s5 k; _. u+ R6 j
Liquid-tight flexible conduit
& o, E, b$ x: v/ S Rigid conduit
' e2 B% d! ~% Z Rigid metal conduit
7 z5 ]3 G0 s% {6 w Rigid nonmetallic conduit& c- z$ x. y% `+ _7 C+ x7 T
Rigid PVC conduit. _$ j; f7 ^) ]3 Y* I5 [7 Q# h* {
Connector" l* S' z0 q. I( V3 |) j- s
Box connector; k, N- a3 _- I, ]# L. m( @
Wire connector! [$ ~3 m6 s% c# E8 l4 K
Controller+ W+ j' J3 V$ _- l+ c8 M* q
Disconnecting means ?7 z) a; b4 Y ?/ R
Dust-tight
X# b4 e) J7 e3 L- f; DDwelling unit
" r1 n0 ]3 M* rElectrical contractor
. u' ~, F' l) [6 e9 ?- v: U( MElectrical metallic tubing4 w; p5 O4 x7 i- D
Electrical nonmetallic tubing
( R4 E% _' s9 S: h1 DEmergency lighting( o$ ~; J- r% f- }7 Q' ^
Explosion-proof2 b# O. F4 z r8 Y1 N" e3 d
Extra-low-voltage power circuit
9 Q2 L: ^5 k/ L% h$ r9 ?" a6 |Feeder/ l4 j. J, N+ D. f) C% E5 ~# y
Flexible metal conduit8 _2 l7 j3 M/ l. S- `7 w" ?
Ground& h% e) x4 M+ n
Ground fault circuit interrupter3 O8 e! J! E p9 F9 U) Y
Grounded
T6 d+ f- k7 q% _2 c0 R; WGrounding# m# c2 ^0 Z9 p( y
Grounding conductor
/ E. D0 e( O/ H0 j3 uGrounding electrode
4 s% O+ j8 O {5 c$ C5 k+ E# E7 KGuarded) n. e# r1 V( B! o' @9 L% X
Hoistway9 n, l4 ^/ ]. z; I* M: `3 ^
Identified1 j- F! o. \. [2 `, j
Lampholder% w# r! V7 w3 b" N
Low-voltage protection
9 _- T4 v3 b6 f! T5 ~6 ZLow-voltage release
$ A6 K' [! T- R- H! E# q# yNeutral
$ ~1 f) J# B4 N% V1 |Noncombustible construction
0 s9 t- e' P4 h3 K y8 W- S) UOutlet
1 W- A' G5 ^ e: _! q/ J. LOutline lighting
8 G% @2 ^( Z2 x- Z. P/ DOver current device8 V# f9 ]- X& [3 c: u
Overload device
c B8 ]5 L0 g4 c& k. }Panel board# h% O% Z( X! e6 _
Panelboard, enclosed
A/ n- G2 A2 B; M* t. O* P* W* KPermanently connected equipment
2 j4 ]$ s9 j! k9 u6 h* CPermit T4 b2 r, G: x, {! u; q1 _4 Q
Plenum. K5 d6 h) \$ A% ?
Portable as applied to electrical equipment
- D# q8 T' K0 _# r& V! M; L% m( hPortable ground fault circuit interrupter! h1 f+ a: } k: _9 G
Power supply cord
. M& w! }; U; c9 M K! h+ QRaceway
' H# x8 P3 b" n7 H( Y0 A) U2 AReceptacle
! r& M) u) w+ X% ], @ x Duplex receptacle2 z+ v& d' ~( O! a8 t/ t
Single receptacle
' \( {4 R8 s& o% [ Split receptacle) z( d) P7 I/ n# O, m/ _
Service, consumer‘s6 P0 W* e: f* N! ?/ R( h( D, D! e. ^
Service, supply# M! O1 s5 d, n
Service box
0 y I7 ?# b7 l' K1 L; u2 W' WService room
% t# C# ?9 `: c2 Y. V+ MSingle-dwelling, a! [) ?! o4 d& G. A
Slow-burning as applied to conductor insulation% F& ]% M7 ~9 J+ R# P
Splitter
# u! M5 Y4 c, u9 a, dStarter, h2 r6 c; c( ]- Z1 e. b4 o/ J3 z
Switch# @6 P7 M# g& _
General-use switch
6 }( T, y. ?+ P3 f Indicating switch' g3 d( V8 G, m* X7 t* a4 ]9 {$ m
Isolating switch) x8 n8 |# ~! K2 g( v4 K
Motor-circuit switch
6 U, s( u& l3 R$ ]. }System
- L8 v- m/ {7 A0 o( e# ] Communication system! p) e- }; S# E- S
Community antenna distribution system(CATV)7 V0 x* |; Z& ]; y: u7 G
Grounding system
5 _1 q7 H' e# C3 B1 l BUnderfloor raceway$ K; R( i" b' ^' I6 h; o
Voltage:0 c# O) }" T' }3 C2 s' E5 f# W
Extra-low voltage: B6 s0 o6 T4 r* P" E& Y4 Y+ V1 w
High voltage* i! T% i% \# `) Z
Low voltage
, w, X" u) Z* [6 H; g8 KVoltage of a circuit
3 g$ ]( _1 _& m7 ]Voltage-to-ground
5 Q+ x4 y2 ^( G! y3 N* `5 h. g5 oWireway @( f) l' N' C! r+ h
" q) |0 B' X: ]. r' k$ {$ y% _
Section 2 GENERAL RULES; K: K2 O& n0 s+ c6 m
Administrative
4 U; M" x& l& ~ @2-018 Reconnection
- C5 v2 U! O9 n: l2-030 Deviation or Postponement1 z8 U I; v/ ?0 W; f
Technical General- s# h- C% R p% d4 b3 C
2-106 Circuit Voltage-to-Ground – Dwelling units
0 K8 w4 e" {7 ?9 t" C3 |2-114 Soldering Fluxes& b3 z0 B9 A" G q! B8 M
2-116 AWG Sizes of conductors7 E/ z0 @* p3 |' M3 X& u
2-124 Fire spread (see Appendices B and G)& {! Y& _. ]- t$ k; v
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
3 V+ {6 r4 _1 F5 Q* _: KProtection of Persons and Property; p# y' t' b" ]; V" Z/ b! Q
2-202 Guarding of Bare Live Parts( V& e }+ S5 @ z# _4 s x
Maintenance and Operation
* O$ m9 d3 Q1 Q3 @2-304 Disconnection# F4 S) n) [3 Q/ C( f
2-306 Maintenance of Live Equipment
5 ^& y7 r' z% C; f" `+ }3 b" Q W4 JN 2-306 Shock and flash protection (see Appendix B)1 Q2 W9 V- m! `' |) g8 D" h3 Z
2-308 Working Space About Electrical Equipment: Table-56
0 A/ a1 l n$ E F' E2-310 Entrance to, and Exit from, Working Space5 {: @7 @7 G2 b# {. K# P/ i
2-320 Drainage2 M) z7 c% j2 R" K# F0 X+ [
2-322 Electrical Equipment near combustible Gas Meters and other Devices
' m2 x3 c; a3 F1 kEnclosures2 i7 [1 ^6 f9 V0 N" R; e
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) 1 f) c+ n5 y& y7 V2 d# q: L
2-404 Marking of Motors: DP, WP, TE- F! L! y7 z; E1 \+ q2 ^) d6 h9 m& A
5 ?5 B& V8 m+ W! b3 lSection 4 Conductors$ a; ^5 R, z( o6 f' P
4-000 Scope: Z. e" N1 ]6 z3 A" ~ z1 s- h/ Q( D
4-002 Size of Conductors: 14#, 12#
. I9 k( Q! `, s8 I8 y4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36! g6 ~/ E( p6 D D% U
4-006 Insulated Conductors: Table 19
0 z/ u) k) e/ t: j4-010 Uses of Flexible Cord: Table 11
2 \: p: `7 a) | a' g1 P4-012 Sizes of Flexible Cord
& b. J# l$ x. J# g4-014 Ampacity of Flexible Cords: Table 12" B8 C* ?0 h# n, A9 O0 l4 D
4-018 Equipment Wire
# G+ J* ]' v; }: T4-020 Insulation of Neutral Conductors
, Q$ F4 m) |5 ? M0 n, j4-022 Size of Neutral conductor
+ y2 v3 v# o, L! u4-024 Common Neutral Conductor
8 D3 J! b5 |" n' ?3 f# e4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum. L9 A0 [) @& o
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum: V) p: k5 }. R8 b6 f. Q
4-032 Identification of Type MI Neutral Conductors w& }+ c4 A' A, D
4-034 Use of Identified Conductors
0 a. U3 X' ]: z! y# [( }- D4-036 Colour of Conductors: Phase A, B, C, …
, J+ t7 |) U2 I% ]' O* @ H8 u' E; u1 y" V
Section 6 Services and Service Equipment) ]+ t7 {& p) w/ D" {$ Y
General
6 I9 `) f* `3 ?4 J9 g6-102 Number of Supply Services Permitted% {( z2 v0 J) Q: _
6-104 Number of Consumer’s Services Permitted in or on a Building
$ J+ ^0 \5 ^2 C! t3 R7 q% y6-108 Supply Service from an Electric Railway System
$ b+ D2 _6 d: h f5 `' q- [$ ~4 ~( o6-110 Three-wire Consumer’s Services
! A+ r5 I+ v$ r, e7 |9 j6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
* @% F( U. B. d' x, w6-114 Methods of terminating conductors at consumer’s service F) H/ g: t/ t, P4 @" q. D2 H
6-116 Consumer’s Service Head Location
4 }+ o& p2 x5 w- Y' Q. G" SControl and Protective Equipment' R: x+ m5 x9 R
6-200 Service Equipment
( l) R( ^( y& l) j. @+ T0 A# x6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)' Z* N( R. m, [
6-208 Consumer’s Service Conductors Location) G3 m* V$ c% F& [' t( L, S0 n
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches" I, m( g3 q+ I/ n, i7 l
6-212 Wiring Space in Enclosures! d+ j, x& E( R$ j! B1 T
6-214 Marking of Service Boxes
- |) z- T& m8 vWiring Methods1 v8 J/ V, S% w+ N8 ?3 S x$ C
6-300 Underground Consumer’s Services
) C( u2 P7 L. |4 G) R2 X6-302 Overhead Consumer’s Service Conductors4 w, j2 R+ X( H
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
, e4 y0 r: N& k: t1 v6-306 Consumer’s Service Raceways
- k; j7 v/ E% [% `) Z4 f2 n6-308 Use of Bare Neutral in Consumer’s Service' Q; }5 d/ B4 p" U$ l
6-310 Use of Joints in Consumer’s Service Neutral Conductors
: c8 y5 Y; a7 j/ s6-312 Condensation in Consumer’s Service Raceway
& q' n# M$ {% H. R6 K/ P* DMetering Equipment
v1 ~8 i+ e. S8 {6-400 Metering Equipment1 I, T2 l- k1 X0 O# W! B
6-402 Method of Installing Meter Loops
0 X& @: M! ^3 w' P$ i6 T6-404 Enclosures for Instrument Transformers
) v0 h0 c" w3 |* z, @6-408 Location of Meters
' b, n. {& r& t. M3 {! ~" Q y; I- K6 e7 ^/ j9 Y2 V
Section 8 Circuit Loading and Demand Factors
) y5 L" Y- n8 @( T6 f AGeneral
) z3 _2 q B s- S8-100 Current Calculations# y5 S( o3 F$ l2 h5 Z& i
8-102 Voltage Drop ( see Appendix D)
* ]6 F, F0 @# D$ C& I6 m8-104 Maximum Circuit Loading3 H# K/ `. x& k% w' m! V
8-108 Number of Branch Circuit Positions
0 X2 W8 q5 \; }# }- v/ \8-110 Determination of Areas
/ P' ^- k- @' g( pServices and Feeders- {/ s9 r% ~# {+ ]" ^
8-200 Single Dwellings (see Appendix B)/ ?: p$ E" Z' s' m0 X. z3 d
8-202 Apartment and Similar Buildings
/ k/ R1 }3 `2 t0 y8-204 Schools
8 n* i5 F8 v2 h9 S- R8-206 Hospitals# n5 K0 u) [' ^
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy2 Z N7 b( u# n( d
8-210 Other Types of Occupancy (Table 14). [& b1 m+ d* J. }& j5 j& z5 U3 _
8-212 Special Lighting Circuits4 c+ C- C# Z# d1 y8 p/ X
Branch Circuits
% ?9 {9 [9 u1 p: L7 w8-300 Branch Circuits Supplying Electric Ranges
- m! R! j! n7 B% I1 k8-302 Connected Loads+ n0 }6 ]8 y+ _( h: q6 ?# o/ X
# k# G) E/ ] D) [Section 10 Grounding and Bonding3 C' f+ d5 _6 o) q6 {
Scope and Object/ J2 H" _4 a+ l! N8 w6 P; K+ m3 q
10-002 Object( J* {, g; F9 ?- x$ {
System and Circuit Grounding% {; C" B$ E# i
10-102 Two-Wire Direct-Current Systems1 {$ m+ c# c. P8 L. ]
10-104 Three-Wire Direct-Current Systems
4 j8 H1 f3 E% J$ W' ^7 r: M10-106 Alternating-Current Systems% y, j- K4 b5 s$ N* G0 |2 q
10-110 Electric Crane Circuits
- l: ?- z' L3 l7 Y! j10-114 Circuits of Less Than 50 V, V/ v2 t: c6 Q+ O$ U
10-116 Instrument Transformer Circuits. ]6 ?8 b7 Q+ w# f" o! K) E
Grounding Connections for Systems and Circuits
. L: \, v0 ^+ Z7 u! [+ _10-200 Current Over Grounding and Bonding Conductors+ g+ G2 Q- H" }) U9 H# H3 k
10-204 Grounding Connections for Alternating-Current Systems
6 l: O. O, c; |0 d, C5 ~* F10-206 Grounding Connections for Isolated Systems7 R6 O3 F6 w* ~, M* q
10-210 Conductor to be Grounded6 j8 c! a; b% ~( `) F) ]
Conductor Enclosure Bonding& g3 m% M' Y. T, V0 J
10-302 Other Conductor Enclosures+ \1 h1 C) p/ i2 c0 Q7 Y
N 10-304) f& g5 O1 k* A1 u' w
Equipment Bonding
4 j. {% v* x( @# N. u2 ~10-400 Fixed Equipment, General$ y! i% C$ O( b) @4 [6 s
10-402 Fixed Equipment, Specific (3), (4)
+ I) {( H& D* a& O% o10-404 In Nonmetallic Wiring Systems
- M4 r* r* f C* Q" {10-406 Non-electrical Equipment
' R9 W( Y7 p/ @10-408 Portable Equipment (4)(b)
0 b6 G M* |) Z G$ n10-410 Instrument Transformer Cases* r* ?8 w5 Y1 A9 v [ X" y P5 J1 T
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
; |9 m3 }/ V( B. d0 w10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
+ s( M5 y% k5 IMethods of Grounding5 Q; s8 t6 L3 B7 m4 g% s
10-500 Effective grounding (see Appendix B)2 c; C8 o) u. l& z
10-502 Common grounding conductors
* g7 T. T+ i) j5 X( P4 a: f @10-504 Common grounding electrodes
3 ^2 m0 y/ s3 l1 f. }Bonding Methods
4 `) _( F4 j7 S10-600 Clean Surfaces7 X, [9 j# s8 @' L2 e
10-604 Bonding at Service Equipment) X- p/ c: ?5 W9 u$ U. ^: h# h
10-606 Means of Assuring Continuity at Service Equipment
+ h( d! _: L* }3 r; t: t) V q& a10-610 Bonding at Other Than Service Equipment
) S: C) X1 y9 ] J; {3 s10-612 Loosely Jointed Metal Raceways
' E4 H" x& O9 ] k2 B10-614 Bonding Jumpers Table 41
5 v" a9 f" s$ w" J, X$ U* ]8 [% gGrounding Electrodes
# Z/ S3 Z1 K! Q2 Z5 o$ N10-700 Grounding Electrodes
( t5 |4 M$ ^# k& R: t! c10-702 Artificial Grounding Electrodes) `7 K% L S8 ]- \3 v
N 10-700 & 10-702
) z# B( G; X$ H1 n/ t10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
8 j: Q; c8 L: |# h# S' ?# i5 U! BN 10-702
' W9 G4 M T1 d; c10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
% A& V0 j( h2 g% n. S4 f$ PN 10-702
# ~: }) W& b$ m7 v10-710 Use of Lightning Rods (Appendices B and G)1 E# }) h1 v* g) e* w9 j
N 10-706) w3 C9 R5 g! j" w: S+ g
Grounding and Bonding Conductors" V. ?; ^6 E5 B5 E+ c
10-800 Continuity of Grounding and Bonding Conductors
$ D( f* K2 ?9 T5 c5 f3 E1 L10-802 Material for System Grounding Conductors: L* k( \$ A% g5 [
10-804 Material for Bonding Conductors
% i% g9 ]9 b1 }3 f10-806 Installation of System Grounding Conductors
2 I2 J$ P/ |3 D# P& O4 b, g# @10-808 Installation of Equipment Bonding Conductors2 ^& S* {% q% B$ g1 A
10-810 Grounding Conductor Size for DC Circuits; k6 G8 s1 ]5 v5 V8 v
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
) h+ M- u6 T7 z0 k10-814 Bonding Conductor Size (Appendix B)
" ~ X5 p Z' U4 A3 G- B& A. V: f" r10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
/ h, k2 D$ ^, m c l2 e10-818 Bonding Conductor for Outline Lighting9 L7 a; P$ c: }% u3 ^ ]8 |0 c
10-820 Bonding Conductor Size for Instrument Transformers
3 k7 [; V8 B! ~' Q8 B6 q+ K" Q$ ZGrounding and Bonding Conductor Connections
- {2 ?4 b* c3 v# S* M; c/ G, W10-902 Grounding Conduct Connection to Water Pipe Electrodes3 Y G6 C. u8 U- A8 H) P( W
10-906 Bonding conductor connection to circuits and equipment, }% r7 k4 e2 A' p
10-908 Grounding Conductor Connection to Electrodes, ]/ v4 q0 ^5 ?( D4 | n- s# F
Lightning Arresters
/ O; C2 N1 R" [# t, L10-1000 Lightning Arresters on Secondary Services – 750V or Less
1 Z: |6 d2 I% c( h+ J0 D g# w' |: N# |( m/ ]7 h& B2 S
Section 12 – Wiring Methods
6 _/ N x" G( f. ~Scope
0 E4 Y; w( J( ~$ S12-000 Scope (Appendix B)
: i% S1 I& L, u6 C5 r9 A/ [General Requirement0 l# c& v( U4 G2 X3 C
12-010 Wiring in Ducts and Plenum Chambers
; r( j. C3 C; S12-012 Underground Installations (Appendix B)1 F4 Q' l' R) l( }6 K. E
12-016 Lightning Rod Conductors
4 B @4 @1 x7 k: ?3 _% D. d5 r4 aConductors - General# W. m" P" a$ ~% c/ R) q# p- z# A9 U" g7 p
12-100 Types of Conductors (Appendix B) Table 19
% j- O5 P$ d0 v, Y& O# M12-102 Thermoplastic-Insulated Conductors
) g2 @/ O* A3 |1 f$ [# ?12-104 Flame Tested Coverings' Y, A' U; s$ U# ?" i( M
12-106 Multi- and Single- Conductor Cables
: l' W) O* u+ c; V12-108 Conductors in Parallel (Appendix B)
4 R3 @ ?% L; }& ~. s- u12-112 Conductor Joints and Splices A% l6 x- L8 h3 B( F! n5 Y; E. N
12-114 Ends of insulated conductors/ [# ~' C! d1 N
12-116 Termination of Conductors (Appendix B)
& Q4 x z% d+ E4 U12-118 Termination and Splicing of Aluminum Conductors
\1 V6 \: n9 n' P1 q12-120 Supporting of Conductors - Table 21
6 ~& \. s y( V; O% ^, L0 J; ^Open Wiring
0 u: o6 L: j6 W' k' q, R; g8 b- n" }5 N12-204 Spacing of Conductors
% \' V" ~$ E3 e+ W1 s v12-206 Conductor Supports6 `4 b9 l" ]1 i# ^, n
12-208 Conductors on Flat Surfaces
! N, P$ H; a5 i; J12-212 Protection from Mechanical Injury) J; ?1 Z" u1 ?" V3 B$ B
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises, @4 d H& P0 I: O5 u( D+ c& C
12-308 Minimum Size of Overhead Conductors- N$ h) C% R# v! D, g+ y1 P
12-318 Use of Neutral Supported Cables
* o/ f1 Z$ O1 Y4 J- XNonmetallic Sheathed Cable
% ]: O5 c6 `: Z. \5 u12-502 Maximum Voltage
Z- m/ k8 _6 C5 A" M( ?1 A* I12-510 Running of cable between Boxes and Fittings (Appendix G)5 V9 _4 X5 R+ C1 J5 |1 ~. B
12-514 Protection on joists and rafters
5 B4 X. j+ ?6 Z% W( f' m$ ~12-516 Protection for Cable in Concealed Installations (Appendix G)
6 s/ M4 w2 e. \ s% ], ~$ @& m12-522 Where Outlet Boxes Are Not Required
- B, V) m& {3 B3 RArmoured Cable
1 |) V1 `' X7 {6 T12-602 Use (Appendix B)4 g0 M N! C! z2 ^( X9 Z
12-604 Protection for Armoured Cables in Lanes
i: `% F/ \* y1 E1 E- q" J# |12-606 Use of Thermoplastic Covered Armoured Cable7 z) l$ G" D x" e# o7 h
12-608 Continuity of Armoured Cable
3 H! l: D Q- y( R0 @, }12-610 Terminating Armoured Cable
$ V, L. q7 G" ?. v8 @12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
2 b5 S+ e1 z9 P- e9 ~12-614 Radii of Bends in Armoured Cables: y6 p6 p/ a# O* i# c) ]
12-616 Concealed Armoured Cable Installation
1 Z4 `5 f+ f8 E+ m# w# e9 A12-618 Running of Cable between Boxes, Etc) o7 ]8 x9 g+ _& D" ~: W" L2 V; Q
Mineral-Insulated and Aluminum-Sheathed Cable
+ D5 [7 O4 }3 ]" X12-702 Use
0 y8 ~& M) Q5 k) @) W" @8 @0 g12-704 Use When Embedded
3 [1 }2 L1 @9 s2 ~12-706 Method of Supporting; u9 {) B' J# U4 y/ r# r# ~6 C( K
12-708 Direct Earth Burial
" N' u. A0 H3 ~% v. ?5 j. \12-710 Mechanical Protection
+ U1 D( z& ]: u. k0 u8 H$ M12-712 Radii of Bends
* h# k1 m$ L& v1 |6 S, S12-714 Termination of Mineral-Insulated Cable (Appendix B)
, r% ?8 ^$ C2 s" y12-716 Connection to Other Forms of Wiring" w. T+ N# m" k f3 G- V
Flat Conductor Cable Type FCC+ _ u8 e1 s* y/ |! n4 N, ~
12-804 Use Permitted; A" I5 c# ^/ e
12-806 Use Prohibited
% ]/ a4 n6 G$ k1 g P9 J. ?8 A12-818 Anchoring
7 b1 H5 E4 G, e; |+ V12-820 Crossings
' T8 P" Y: M) R8 O+ yRaceways - General% f6 S+ \: k1 Z) ~+ t, w' y) m) A
12-904 Conductors in Raceways
4 n1 |5 R% J% K12-906 Protection of Conductors at Ends of Raceways
" a* [5 i1 {( W* x2 C12-908 Inserting Conductors in Raceways
& F& x4 {! P& p12-910 Joints or Splices Within Raceways' u5 p* S/ e& x" o7 D9 v6 o# L
12-912 Stranding of Conductors* F3 H& g. U" i; k
12-914 Electrical Continuity of Raceways
- k, X# F3 ]2 v12-922 Radii of Bends in Raceways; r( _+ X, S+ k/ ]( x4 B5 d
N 12-922 Radii of Bends in Raceways Table 73 \5 R4 y7 |2 P( a+ W
12-932 Protection for Raceways in Lanes7 K/ l8 ?, |; W7 x3 O) E
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
7 O! N3 x& \# O& c3 b12-938 Capping of Unused Raceways3 r4 r- O- G( H4 E* o
12-940 Maximum Number of Bends in Raceways9 T3 K! `' G+ ^0 T: a( W
Rigid and Flexible Metal Conduit; C6 {/ e t1 i' h6 @# X0 w
12-1002 Use
6 q2 J5 f% a/ @* f. l8 x* A1 o12-1004 Minimum Size of Conduits4 }3 p8 n+ F* T2 O8 }
12-1006 Conduit Threads (Appendix B), n1 I1 [* D- z, H" ^! k
12-1008 Thread Engagement+ M ~3 f; e9 H% h
12-1010 Maximum Spacing of Conduit Supports- Z( n# \2 v* h. P
12-1012 Expansion and Contraction of Conduits (Appendix B)
2 t1 y+ \6 i ~12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 6 d0 q& v1 c4 l; ~. E$ w8 _
Rigid PVC Conduit and Rigid HFT Conduit
R; G3 }$ W( {" h- X12-1100 Use
3 s2 F8 `6 F c% F- y. q# M7 \12-1102 Restrictions on Use5 a7 p- v" a$ A6 n+ z
12-1104 Temperature Limitations (Appendix B)
7 `5 A3 O, K4 R: Z8 S5 Z( l12-1108 Field Bends (Appendix B), (2)
0 W5 c3 @8 G3 T2 G0 f& C* ~ V0 s12-1110 Support of Luminaires) u1 l3 q7 k9 ?& s" y
12-1112 Fittings
$ c* ]) k0 J2 |8 Q8 j( r12-1114 Maximum Spacing of Conduit Supports& A3 Z8 j. J. G: Z
12-1116 Support of Equipment
# q" N2 j8 ?; W' S" U Y1 I( t# ~/ i3 O12-1118 Expansion Joints (Appendix B example), I1 Q. M L$ @. j1 n! Y
Rigid RTRC Conduit
: r) R! r4 M/ Z12-1210 Temperature Limitations
- k$ \) f) D2 z1 d4 D12-1214 Expansion Joints (Appendix B)
# y0 y {" y' [. ], P3 @Liquid-Tight Flexible Conduit
/ G, H5 ^( [: r0 a% I% t# t8 S$ D12-1302 Use of Liquid-Tight Flexible Conduit* S/ C$ Q" T! g9 X+ y# E
12-1304 Maximum Number of Conductors* v- F9 a# [5 W3 J! |$ e
12-1306 Provisions for Bonding
- l( F% Y: Y) {1 E7 t% ZElectrical Metallic Tubing6 o I! _: J/ o3 V; M7 S
12-1402 Use. |) T8 Y$ ?+ ?. t1 |) z
12-1404 Supports9 r- O8 c y, d( J. H
12-1406 Minimum Tubing Size+ m# Z& D/ q- R/ p6 O, N
12-1408 Maximum Number of Conductors' k! f$ t- _" B) i- O. h
12-1410 Connections and Couplings
1 H; K- m# D- [1 ]/ _9 Z12-1412 Radii of Bends in Tubing* M+ ~2 Z- b( R9 P3 c" J
N Table 7& }( \, b& k5 c6 X- O! X5 K
Electrical Nonmetallic Tubing
! I5 `4 G* C1 s- }. U12-1516 Provision for Bonding Continuity
* \; A/ R) z8 c8 o( L& sN 12-15143 Z2 W2 |& U c' r, G
Surface Raceways ^ t* a U7 N
12-1602 Use of Surface Raceway (Appendix B)0 b. A' _9 [$ S6 `+ N$ Q7 x
12-1604 Temperature Limitations# R3 ~+ K: D" R+ K
12-1606 Conductors in Surface Raceways (Appendix B)5 o- c# j% W% \
12-1608 Maximum Voltage
% L" u' V# G% F12-1610 Joints and splices
( @) v1 S6 H2 F( S; F4 w, o# KUnderfloor Raceways5 c$ M# T- d! \
12-1712 Discontinued Outlets in Underfloor Raceways
! b' ^4 R3 v @# D& t3 hCellular Floors
( A4 P# }) V4 G) B a12-1804 Maximum Conductor Size in Cellular Floor
. x# W; B: E' }2 U4 o, m! _12-1820 Cellular floor discontinued outlets
6 P* G b9 O: @5 k8 c. ^Auxiliary Gutters
. w3 z% r& I, T+ Y. h- P12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces8 R( P' t9 v* X; C! j# U. r
12-1902 Auxiliary Gutter Supports
1 f! E/ r& {6 p$ d) g5 t* Z12-1904 Auxiliary Gutter Cross-Sectional Area8 y7 W" @7 v! A) D/ a+ n
Busways and Splitters
t& Y9 B+ O* V12-2004 AC Circuits in Busways and Splitters
( }3 y4 A9 O( w- w12-2006 Busway and Splitter Supports8 u: O6 ^5 F, |1 j9 b% P
12-2008 Method of Installation of Busways( s/ d8 z9 ~& S, h- d/ D. x z
12-2012 Reduction in Size of Busways! H( O- t* i+ N7 r
12-2014 Length of Busways Used as Branch Circuits1 u+ F6 A" F$ A4 I+ Q2 a) I
12-2018 Taps in Splitters' X' Y# @; F9 _+ ^: w
Wireways: S: {- G E9 T6 X6 A/ f' |
12-2104 Conductors in Wireways
+ v% `9 ] Z* C' J: W12-2106 Taps and Splices in Wireways
]! O' W. a O Cable Trays
! J9 n/ H: Y* l7 R- q12-2200 Method of Installation (Appendix B)4 w4 ~$ Q8 L& V- K* x: \$ J# f
12-2204 Joints and Splices Within Cable Trays
& C1 L1 F6 ~% f7 q* t" a12-2208 Provisions for Bonding# c: v1 A& t; ~6 q
12-2210 Ampacities of Conductors in Cable Trays1 b9 i3 m3 k% E. [( n. G
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
7 i7 i, {5 u3 A12-3000 Maximum Number of Outlets Per Circuit6 @0 m7 t* ], f N9 [
N 8-304
+ G5 ~( M0 Q9 h3 {$ }12-3002 Outlet Boxes (Appendix B)
3 N1 V+ ^ D0 }+ @: `0 BN 12-3000) w2 C' M! Y# v: A
12-3004 Outlet Box Covers
3 x" B) @$ w& s8 ?, a' RN 12-3002
% l2 m" k$ Z# b+ t3 q12-3010 Boxes in Concrete Construction
9 u: Y7 _' @, m9 F# _% ON 12-3008
* \7 h0 ^3 \7 g; P) @* n12-3012 Outlet Box Supports4 v3 _8 ^% g0 b4 S2 X
N 12-3010
G, B0 h! S6 H$ z2 r% R12-3016 Accessibility of Junction Boxes
: C- S S2 b w" a! ^N 12-3014' N* g4 e$ E" b
12-3018 Flush Boxes, cabinets, and Fittings: | f6 u/ G5 l) Y' ~7 L) x4 W. j8 }
N 12-3016
# \- ~5 a3 M5 a. u# m+ N12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) & ]2 u O7 Q, m- n* B, O
N 12-3022% K q0 @6 R4 o% n
12-3036 Maximum Number of conductors in a Box - Table 234 F3 d$ ?/ l% ~( F! g% \. Y
N 12-3034
# j9 M5 }9 M( M( z% V12-3038 Pull Box or Junction box Sizes
2 x8 L. o3 Y/ d! NN 12-30368 N/ |6 H8 B( M) Y, U
6 ^$ \8 N0 C/ M0 S: E
Section 14 Protection and Control$ g- |; G& O. L: l
General Requirement
3 k+ i6 N# `0 W% t1 Y7 N; _6 a14-010 Protective and Control Devices Required" \6 o% o# p- a- f' ~& o, @
14-016 Connection of Devices3 s/ @0 ^, u0 H% R; ]- w
Protective Devices – General9 c, K0 u0 U; s- w" l& I3 S
14-100 Overcurrent Devices Required: X4 |# Y3 C( X, \6 Z0 b
14-102 Ground Fault Protection (Appendix B)
0 I x9 p: S# B! V: l, D& h3 {/ G% X4 S14-104 Rating of Overcurrent Devices (Appendix B) Table 135 o, R- ~1 [* T' |
14-112 Overcurrent Devices in Parallel6 x3 _$ W% h4 w; U6 v
Fuses
9 Q, d: {3 X8 V, @5 q' }. ~14-200 Time-Delay and Low-Melting Point Fuses9 |# j" Z# \8 Q1 J! N
14-202 Use of Plug Fuses5 D# l3 J2 }7 j4 s: G* U* c! v7 x
14-208 Rating of Fuses
+ Y: U% J) h: Y# D14-212 Use of Fuses (Appendix B)& Z- T& P+ V! ]& m8 e" u0 [
Circuit Breakers
4 O: H. N" L2 y! D% B14-300 Circuit Breakers, General
- w7 j# S7 H/ y$ i' z& J X& m- `14-306 Tripping Elements for Circuit Breakers' L# b3 `. g+ e. `8 x9 {
14-308 Battery Control Power for Circuit Breakers: P: {* h: z5 N+ f0 A: R* I, O
Control Devices - General
0 {2 e; k6 a8 j2 Z14-402 Disconnecting Means Required for Fused Circuits; w/ C- M2 D b& R' B
Control Devices - Switches
5 }, D9 `( u( p# p3 Q14-502 Mounting of knife Switches' R j, u& B' ?. O e* X1 R' e
14-504 Maximum Rating of Switches' O+ u! A5 Y; i# `6 Y5 ~' j* `
14-508 Rating of General-Use AC/DC Switches (Appendix B)8 y# `* n' s( f1 e. Z# s* [
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)) C% m, P9 C' B* `0 K6 r s
Solid State Devices
q H8 Q4 _! I+ h; d4 F) _14-700 Restriction of Use& [' @$ }5 ^' i6 |
14-702 Disconnecting Means Required
# X1 M, w$ h( M/ J) |2 a
4 v+ h9 }, u6 d) ~- F8 S+ tSection 16 Class 1 and Class 2 Circuits5 ]2 G1 P4 [ U- U
General
/ t) W/ R* ], O5 Z% K16-004 Class 1 Extra-Low-Voltage Power Circuits
8 t7 J, c: r! N* R/ H16-006 Class 2 Low-Energy Power Circuits5 c1 \2 U! l( T: i7 u y, m- d$ B
16-012 Circuits in Communication Cables! J- r" u2 J$ E' V5 B; u& [! j
Class 1 Circuits
* x( q) E+ z, B" Y3 c( g, Z) _$ b16-100 Limitation of Class 1 Circuits
7 P3 Y* ^: F( ~( ` J0 {( L9 J16-104 Overcurrent Protection of Class 1 Circuits+ [0 @- l) O# F
16-106 Location of Overcurrent Devices in Class 1 Circuits6 [6 p7 a5 ?* a8 v* m
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers+ M5 c. X0 M1 E j0 L$ |$ Y# M! @
16-110 Conductor Material and Sizes
/ \5 k# d' \' O3 e3 y1 O; K2 K16-112 Insulated Conductors for Class 1 Wiring( k' u/ ?) i" _+ d L" Q% Q
Class 2 Circuits
& h- w$ Q, ~' X16-200 Limitations of Class 2 Circuits (Appendix B)
8 v" u7 y& I) o/ t16-204 Marking
* P2 t7 }) _ i; s0 h5 _16-206 Overcurrent Protection for Class 2 Circuits% \4 P0 O) Y- G* O4 h+ o. ~; u J
16-210 Conductors for Class 2 Circuit Wiring (Appendix B): p' V& e9 b2 t |1 J
ELC: extra-low-voltage cable$ f7 _# B5 v& x, T
16-212 Separation of Class 2 Circuit Conductors from Other Circuits5 z- A# i0 U% O: B- E" j( {
# |0 X6 B9 x! X0 U" p. PSection 18 Hazardous Locations
1 P2 }# z9 ^7 s L1 h! Y) {0 ~Scope and Introduction
3 N K% R: M0 K3 {+ J5 o18-004 Classification
; i$ j- [3 T O- @9 }1 V18-006 Division of Class I Locations (Appendices B and J). R& F/ S) N0 q) M% c, @
18-008 Division of Class II Locations (Appendix B)
& j. ?3 T. K5 x8 Y18-010 Division of Class III Locations (Appendix B)/ y C7 \3 h( D
General
6 V% l8 B1 n$ y/ f# n( K2 j, P18-062 Metal-Covered Cable (Appendix B)
7 U! E0 f9 h: r" u. m! JInstallations in Class 1, Zone 1 Location- x v J) H, l- H8 Z
18-108 Sealing, Class I, Zone I (Appendix B)
* u0 O' M) W7 K. s) A& n+ S3 x! I4 f2 A- u
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars' k: o8 p9 u9 x& B# f
Gasoline Dispensing and Service Stations. |8 R- |0 X0 |, v. R: P
20-002 General! x* [ W2 |7 q5 m; u- D# B `: n
20-004 Hazardous Area (Appendix B)4 \2 m; j2 l& Y' ~# t: Z9 [
Propane Dispensing, Container Filling, and Storage9 W$ j, E7 V% ^( \5 Z
20-034 Hazardous Areas - Table 63
/ W! G* @+ Z) V/ m1 GCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities" Z. Q! W7 E: m
20-062 Hazardous Areas
: _/ |/ R) f4 PCommercial Garages – Repairs and Storage) b4 U& u9 r* i+ n* u
20-100 Scope
" [* j w* w: [8 s( D% A# M$ W20-102 Hazardous Areas (1)
" N8 G6 |% ^3 r
" {: c! `* P' [8 l9 ^0 f6 P& LSection 24 Patient Care Areas
% W1 ?% T3 `- |1 H; j24-000 Scope (Appendix B)
* i6 h+ d& H+ B6 ~, D) `, t2 @2 G! J24-002 Special Terminology (Appendix B)/ N; f0 X' y4 @
Patient care area R* T6 i- q, d- F) q6 o
Patient Care Areas( J1 |3 x/ c7 C0 X
24-106 Receptacles in Basic Care Areas (Appendix B)' q v6 N8 k; v! f
Isolated Systems
8 e. B3 \* I* q! D% W$ Z8 u3 |9 V24-204 Single-Phase Isolated Circuits (Appendix B)! o& o( d3 y: o7 E3 Z# Q8 z) t
24-206
' X0 M7 a" [) t$ Y$ j1 k
( t6 T/ d8 j- ^5 MSection 26 Installation of Electrical Equipment
! m, b& {7 W6 O( s7 q# l6 \General4 @' Y5 V$ `; C) H) r* z- }8 }5 q7 c
26-004 Equipment Over Combustible Surfaces (Appendix B), T1 ^; b( m k1 Y
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)1 P6 x7 [9 z: {. d' m% [0 w
Isolating Switches
3 }! D2 M3 k; Y4 O26-100 Location of Isolating Switches
" H5 j3 U" S% }/ G0 x0 b' p: {Capacitors
4 X- g. N7 H) m0 x9 V! t26-204 Guarding of Capacitors
, A: H7 P& I* S& c! d; {- L26-206 Grounding of Capacitors, Q$ ^/ `& e! t7 [) A4 h
26-208 Conductor Size for Capacitors
5 E# Z$ G4 G* Q- |. L26-210 Overcurrent Protection (Appendix B)/ Z" ?2 m4 k2 i' i: N8 Q5 Q* h$ h
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits+ U& e) V! d0 \8 |! n! D/ O1 W
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits( F& ` y5 o& O" Q( W
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits2 B- Q/ ?) B$ \, L+ r
26-218 Special Provisions for Motor Circuit Capacitors
( f% T \( z% G3 _# W9 j f) D: N26-222 Drainage of Stored Charge of Capacitors4 H1 m& }# L( n9 b- U G
Transformers
5 m, `8 x- h& {$ j) S26-240 Transformers, General2 T9 e# g- C, M8 g J. l# K* M
26-242 Outdoor Transformer Installations3 U* ]# o( Q- B% C: _
26-244 Transformers, Mounted on Roofs (Appendix B)
0 s4 c% s- r& b0 g$ c; J26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B): C% [8 R! V( a, b
26-248 Dry-Core, Open-Ventilated Type Transformers9 D# u! V! A( _$ ~6 p+ e
26-250 Disconnecting Means for Transformers+ D3 K' H O2 J8 Y
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
Z& A% O) \5 z: Y26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
$ [3 |8 Z) \7 g0 D* B! S* E26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
1 w* ^8 U% n9 W `9 d26-258 Conductor Size for Transformers
5 B- I( J2 s1 y. s8 E+ c6 R26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
* ~0 D2 ^# K7 d6 b5 A7 ~26-262 Marking of Transformers
3 W. c9 o- m3 \5 T0 o26-264 Auto-Transformers6 e# f' V4 Y2 g* C3 K
Fences- `$ Z' @( r1 K$ m9 y3 i" A
26-302 Clearance of Equipment - Table 332 S/ ?4 o# F6 [. n! y6 K
Panelboards
8 m4 Y2 A' I' M3 Y# N/ [, i26-400 Panelboards in Dwelling Units (Appendix B)
+ L6 S; e5 n* `+ g& i5 b1 G8 @- u26-402 Location of Panelboards (Appendix G)
A9 }. w; X6 ^: i4 q' yLightning Arresters( s* K, ~$ k! v9 V
26-508 Connection of Lightning Arresters
) j ^* u. ?/ aStorage Batteries
& _- e- S! m$ Y26-542 Special Terminology
1 s8 [6 `. C: M- H* X26-550 Battery Installation% @) T E ?2 [( N
26-552 Wiring to Batteries! `: n# H5 I6 F% f$ y: @- D! ?' z
Arc Lamps
9 N9 O- f, G$ d8 N26-600 Location of Arc Lamps
]. D( {( ^8 B3 J: L5 j! l26-602 Conductors to Arc Lamps
5 S: }: x. n8 k4 F* U26-608 Globes and Spark Arresters7 s# Z/ ^5 R7 h
Receptacles
6 a- h' }. z K" K- {26-700 General (Appendix B)
- c& ~0 n0 s2 h7 Y( Q26-702 Receptacles Exposed to the Weather
% \$ i- ^' A0 ^2 ]5 sReceptacles in Residential Occupancies
9 k Z. d' O2 n26-710 General (Appendices B and G)
' t& v7 n* G) A! `; l/ b4 b26-712 Receptacles in Dwelling Units (Appendices B and G)
P" `9 ^0 R. U! P8 {26-714 Receptacles in Single Dwellings (Appendices B and G), X' B$ V. y ?9 V
Branch Circuits in Residential Occupancies/ O4 }* i& a# k
26-720 General
4 p" ~# F0 v9 r; r" {3 G- O26-722 Branch Circuits in Dwelling Units
- o5 T0 a: k9 J* x3 q$ d26-724 Branch Circuits in Single Dwellings n( D/ l9 Z+ K) }0 \: g$ g5 Q
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
4 ?- c' R+ x3 p- i1 W/ U7 JN 26-720 (F)3 H/ k8 K" k6 F
Electric Heating and Cooking Appliances; W: s" S% T+ J2 |/ E7 o$ R% [3 [
26-744 Supply connections for Appliances
# i+ i I+ o7 Y) Y0 d26-750 Installation of Storage-Tank Water Heaters. o; y/ K- ?* F0 G: |' }8 p- R) j
26-752 Infrared Drying Lamps
, d; w( j+ r+ Z9 l: N8 \: A ?+ r" o& X9 a
Section 28 Motors and Generators$ Q, Z4 ^" I2 g6 T% [
General5 @: x# P0 g1 h) `1 G- _
28-010 Special Terminology( U/ z" n8 r8 Y" y* K8 U
Hermetic refrigerant motor compressor0 x, _; C! p# r( [
Locked rotor current rating
7 B, m6 _0 K2 m! J3 G7 c, nService Factor
. I4 j5 b% b& H0 R" l% YTable 44; Table 45; Table-D2
a8 `2 Z( ~9 h8 X7 v. rWiring Methods and Conductors! ~! E g" o6 h2 z
28-102 Portable Motors* P( d5 Y. n+ u3 g
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity& h% q$ Q( W6 D! [2 ? Z
28-106 Conductors, Individual Motors
: M) U' H% D8 i3 ?% `* x28-108 Conductors, Two or More Motors; A) U* f3 z& A3 y
28-110 Feeder Conductors4 U( | z: q' K b7 u, y5 y4 m
28-112 Secondary Conductors
) y$ y% l: t* N- t& t5 R# v2 q HOvercurrent Protection: I5 C2 O* U9 O' T
28-200 Branch Circuit Overcurrent Protection$ l/ I. |9 n1 c4 l. d" k
28-204 Feeder Overcurrent Protection
) Y1 l. W/ f2 J1 t& e3 M! _28-206 Grouping of Motors on a Single Branch Circuit
, w7 [+ l, _. t) F1 o28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
8 K+ k$ P5 u4 X0 sOverload and Overheating Protection
6 F% }, x: w4 ^6 A( G; E# I28-302 Types of Overload Protection' U& [3 Y8 i& ^8 h* F
28-304 Number and Location of Overload Devices (Appendix B) Table 259 ?# z& s2 y: Z
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
' }- I* V! a$ }( U) j( U28-308 Overload Protection Not Required. u( Y( h/ f- Y9 J1 m/ P$ J
Undervoltage Protection
& a; k% t2 r9 F w+ ?+ n5 a; a28-400 Undervoltage Protection Required for Motors (Appendix B)' R0 @( W3 s ~# c( R. O
Control
7 b$ D* r+ v5 M; x8 |1 i/ ?1 K28-500 Control Required4 {. p4 |1 P$ s. O
28-502 Control Location) Y3 g/ _& l5 v. J* T' S
28-504 Starters Having Different Starting and Running Position' M7 e. W# X# e+ j3 E2 b& [
28-506 Grounded Control Circuit' k7 H% J$ Z7 h+ i3 e$ t1 D
Disconnecting Means
W( \& m- i; Z# r28-600 Disconnecting Means Required# f1 h" K$ F# C8 i& G
28-602 Types and Ratings of disconnecting Means (Appendix B)- J7 \6 f8 A5 A/ A
28-604 Location of Disconnecting Means8 V& B: j) `& ]7 u5 c/ I6 T, e3 C% }
Hermetic Refrigerant Motor-Compressors# |; p4 u0 N. g
28-706 Conductor Ampacity! S! D+ v8 ?8 U0 O3 U
28-708 Overcurrent Protection( O+ v/ b3 _8 l# V9 i$ m# y
28-714 Disconnecting Means
x: \, E' g, zProtection and Control of Generators- m& @: H! ~! _# {3 N3 N
28-900 Disconnecting Means Required for Generators/ g) y' Y! b# j& O
28-902 Protection of Constant-Voltage Generators
. l7 q( V7 I: E+ I+ v28-904 Generator Not Driven by Electricity
7 V0 k( z5 s$ G28-906 Balancer sets; i9 w8 B% K7 h2 L6 {
28-908 Three-Wire Direct-Current Generators
$ Z' G. j" }2 l' y' F
9 x* q" W6 C" RSection 30 Installation of Lighting Equipment
' |- X1 N) `) Q* N; H30-002 Special Terminology (Appendix B)
7 U W0 L1 G" r. D3 ^General6 B# y0 k6 c& O5 Y8 V# i
30-102 Voltage
5 Q" F% b7 ~7 i# y9 v7 Y( T30-104 Protection (Appendix B)4 m0 u" Y* n9 M- I) K: l( X4 T
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment5 ^, I! Y. `! A
30-108 Polarization of Luminaires
" R+ _! w, W. W- ~7 e30-110 Bonding of Lighting Equipment0 X1 ~. b- i6 G+ G
Location of Lighting Equipment
" J2 m, B d7 I) J2 x3 m30-200 Near or Over Combustible Material+ p; b& W" N8 e" s* o3 O
30-202 In Show Windows
+ N6 U* X4 L* \- \( W0 Y30-204 In Clothes Closets# f$ h7 p2 d( r8 b& ~( E0 b
Installation of Lighting Equipment$ M6 X. ?; I) I9 b) l2 G
30-302 Support' J) O' u5 j) O; N6 w: p" {/ \
30-304 Outlet Boxes to be Covered& u9 Y! }3 b" k" c6 X" Z
30-308 Circuit Connections
V' A8 n* Q {. ~30-310 Luminaire as a Raceway
- v$ r9 |: v! D- b! `30-314 Minimum Height of Low Luminaires
, |) w! B Q$ x# J30-316 Luminaires Exposed to Flying Objects
B* [2 i0 V, h% u$ A30-320 Luminaires in Damp or Wet Locations
! r% S% C( p- B$ ~N 30-3186 n# s5 p1 X `- y- T* W5 Z
Wiring of Lighting Equipment+ `1 A- s9 q' L4 W8 C5 f
30-400 Wiring of Luminaires
& A! e7 w4 G7 w" X. y$ c# Z) s30-402 Colour Coding) s) U& N+ ?4 N8 R
30-404 Conductor Insulation9 L. m, q! r# z/ b S+ D3 H7 [
30-406 Conductors on Movable Parts! W7 b, D, v9 }& h9 o3 V
30-408 Wiring of Ceiling Outlet Boxes
# ?, w8 k0 c# P$ {30-410 Wiring of Show Window Luminaires2 a( B/ G4 J4 b
30-412 Tap Connection Conductors
! p* H' P H# g3 R* q* h# tLuminaires in buildings of Residential Occupancy6 U- y7 X2 ` }( I# k7 C$ A! I' i
30-500 Lighting Equipment at Entrances (Appendix G)
. K7 O) y$ s) N2 Y9 b) M# z% p30-502 Luminaires in Dwelling Units (Appendix G)
- `# F; e8 ] U( O8 Y# m! U30-504 Stairways (Appendix G)7 r1 R: @. I9 D& |! ~
30-506 Basements (Appendix G)
/ L# [/ u0 Z: ?; g( u# h; X) P30-508 Storage Rooms (Appendix G)" [" Z; v1 j, `* K
30-510 Garages and Carports (Appendix G)
6 }' `" m k* k9 i9 F3 i sLampholders
; w& {0 D8 c1 @- @& s30-600 Lampholder rating with Incandescent Lamps
9 y1 x. P9 S5 \# K( w) c r$ JN CANCEL
$ ^; ~# s' F* ]: o+ _30-602 Connections to Lampholders7 P- [7 t$ }8 H1 c7 @9 d- B
N 30-600
8 j* ]5 ^+ a4 u8 Q; I9 o' \30-604 Switched Lampholders Used on Unidentified Circuits# J4 J. q6 a6 L4 R' _
N 30-602, }+ t" l# ^' K; O* A4 H0 z
30-606 Switched Lampholders with Pull-Type Mechanisms5 k2 V+ U: |) C! k4 e2 {0 A \
N 30-6048 w/ h/ y. i2 S) S/ c4 B0 B$ y3 _4 Z
30-610 Pendant Lampholders* S$ P& Y7 K8 |+ @' ?$ h
N 30-608
! T! y/ x7 o y8 BElectric-Discharge Lighting Systems Operating at 1000V or Less* b, m1 ^2 p `: Q
30-710 Control (Appendix B): e" B; g" m- N4 c& Z7 Q
30-712 Branch Circuit Capacity
. e, N$ V! Y# o4 BElectric-Discharge Lighting Systems Operating at More Than 1000V
, e& O: \& [) L0 i: c% v30-802 Voltages, Dwelling Units
2 G: B B) t! N/ M ~% ]6 C, d30-804 control (Appendix B)& i- i+ R/ t6 K
Recessed Luminaires (Appendix G)
/ L+ p) o4 F: e% R- s1 N" j$ P30-902 Spacings for Non-IC Type Luminaires! F# f8 ~: @, \% g
30-910 Wiring of Recessed Luminaires (Appendix B)4 r d1 u' L( p& A9 f. T
Exposed Wiring for Permanent Outdoor Lighting
/ D! k; h- Q( C6 K: r$ ~" W4 m30-1120 Branch Circuit Loading and Protection
! B- S/ r, Y w! {" p. QExtra-Low-Voltage Lighting Systems
9 R. ^: c( l" h2 x4 p; `2 _! s30-1202 Sources of Supply
6 [# y1 @) x/ `" }- `: J# b- S& u+ ?) h8 n7 D, e# R% |
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)# ~5 H+ r A1 A* x- E
Fire Alarm Systems0 X$ l: w& n3 [) L# G" P* Y) ?
32-100 Conductors; b7 H4 c- k( q$ z3 \
32-102 Wiring Method5 y1 ~+ W0 P( T! j
32-104 Equipment Bonding8 t+ Q, _3 b# h, h/ ]2 P
32-106 Electrical Supervision
% l8 U1 Q" d d8 U) X, {' m32-108 Current Supply* l5 a: m7 r7 V. y9 t: n X
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
5 i% w7 o" \4 F/ H6 `Fire Pumps
9 l' D3 @0 V: W. G+ p/ @& D32-208 Overcurrent Protection (Appendix B)
3 i u g2 f/ U' L/ g8 U3 y# @N 32-206& R- e! L6 X* @7 ?5 r& z0 s2 u
32-210 Overload and Overheating Protection (Appendix B)8 E3 @: p; n1 |- a( }6 z+ {3 ?( i
32-212 Ground Fault Circuit Interrupter (Appendix B)% e8 A9 e/ @$ I9 t P
. v1 a! D6 n) F
Section 36 High-Voltage Installations/ F' n7 d N3 X0 |* k
General
0 W1 V4 K% }4 |- N36-000 Scope (Appendix B)
6 I. I8 c) q1 p* v: A" `# X. e0 N36-006 Warning Notices" L3 m& U3 Y) r! z4 b/ \" e
Wiring Methods
) t, |8 F" L# [2 d2 E7 Z4 {36-102 Radii of Bends
\- l" X* }! [6 y36-104 Shielding of thermoset insulated conductors
& L/ e( _; F9 S9 E8 } P! ]36-108 Spacing of Exposed Conductors (1) table 30, table 31/ ^/ p m2 R& l
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34& m2 \" N/ `0 O! e' Y3 j
Control and Protective Equipment0 J" O5 i; u4 Y, }
36-214 Disconnecting Means0 R. Z& |# u+ e* U
Grounding and Bonding$ {. g( b# H1 L, d( f
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
6 w( V$ _* I( K5 ^+ _7 ^36-302 Station Ground Electrode (Appendix B)$ N+ l( n+ \7 a3 U0 |! ^/ x. T* R6 T
36-304 Station Ground Resistance (Appendix B)
$ b C3 O6 b6 m* u( n0 B9 v36-308 Connections to the Station Ground Electrode (Appendix B)
0 G# F: D) b+ V- a+ p, c a( ~36-310 Gang-Operated Switch Handle Grounds0 J0 m' T! x+ O
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
/ d) V3 r2 J+ t5 c; Q- P1 Y/ y
7 B1 b4 Z1 j9 U8 n6 _! K: HSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
' X7 |5 i( X* z& v W/ O% F38-002 Special Terminology (Appendix B)& j! j: l8 k! D5 Z" l( ?4 ?3 |
38-003 Voltage Limitations (Appendix B)4 H+ W' d& D2 B: P* k0 Z, k
38-004 Live Parts Enclosed' U+ I' Q5 i2 m2 S5 x8 l2 V
38-005 Working Clearances- [" m# E/ @4 p4 H
38-011 Insulation and Types of Conductors
- k, v9 E4 W, T# a0 y38-012 Minimum Size of Conductors4 U" k4 T: X: }# j. r
' W( b1 u& y$ k2 @Section 40 Electric Cranes and Hoists4 u2 c' M% H' {5 J2 `$ S1 c7 H1 W
40-008 Disconnecting Means
2 x/ ^2 Z+ E [" r' g3 [- g40-010 Main Contact Conductors
4 H" C& W/ g: @) ?3 r- H3 r! T7 n
Section 42 Electric Welders/ B# b9 M; v% ~& B {+ f" s. s0 ~
Transformer Arc Welders7 z3 Q t0 s) Q! a e0 E
42-006 Supply Conductors7 ^, G! i {& s- Z M% y
8 F1 s/ p& G' o( f/ M# JSection 44: Theatre Installations
, k2 j1 Y r* z- qGeneral
4 k; G0 C# Q& I1 N& D. H3 c9 S44-104 Number of Conductors in Raceways/ w- F" B3 s/ a3 Q- c
44-106 Aisle Lights in Moving Picture Theatres
4 Q( h1 I, B2 ]9 `Fixed Stage Switchboards6 x; }: Z. f; \
44-210 Overcurrent Protection
5 x( I7 l2 G. Y) {+ bFixed Stage Equipment/ ^, G& J- [* ~6 u: R. I9 v
44-324 Receptacles in Gallery Pockets
7 E. k8 t" y) D& ^$ W2 H44-326 Receptacles and Plugs' C$ N1 K% @, Q# \+ L6 u# A- j# y
9 j5 M6 k5 n9 t* p$ n" i/ ?3 I9 Z
Section 46 Emergency Systems, Unit Equipment, and Exit Signs1 f' V: u' h- b; n* z
General
6 R) Y! K9 q/ |7 B0 w# l* h7 I5 g* X46-102 Instructions
5 y6 F6 T0 O% Q# M5 j46-108 Method of Wiring (Appendices B and G)9 I+ K- D/ `4 ]' f! s4 G
Emergency Systems8 @' `( {3 o1 l
46-202 Supply (Appendix G)6 E1 h% H5 V/ `' }
46-204 Control) e3 }6 E# b" m$ k4 |3 N
46-206 Overcurrent Protection8 @$ K/ X+ a7 q$ H) e
46-210 Remote Lamps) [* P) U2 R! b1 o1 q
Unit Equipment
7 H/ n. w9 E3 S. Z# k% `+ @46-304 Supply Connections7 E+ x3 y4 I( v
46-306 Remote Lamps (Appendix B)
* u$ H, A* ?- V$ P4 F- vExit Signs5 B' I9 c& D1 Z. s& s
46-400 Exit Signs (Appendix B and G)7 B) C3 p8 r6 S, Q# m/ \; v
3 Y) A% d2 t: S4 ySection 54 Community Antenna Distribution and Radio and Television Installations/ Z% z% p6 n" c0 M/ i. {
54-000 Scope, v$ {# T9 f2 w4 `4 Q O
54-004 Community Antenna Distribution (Appendix B)/ a/ ?7 N I" A7 K( q A
Community Antenna distribution
$ o6 f( e! B- U54-100 Conductors7 g P: G1 T' a4 T& r! ~" m
54-102 Voltage and Current Limitations (Appendix B)
Q4 t0 x! n1 J9 A, zProtection
4 |/ M6 @" Y) ^4 V' S4 _54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)2 f" L" w* j) P2 C$ |' m& V4 `, j
Grounding
2 i& l" C7 S( H8 K' D54-300 Grounding Conductor
7 J# \( g6 k- v3 e& B! v9 PConductors Within Buildings" h0 C; a7 Q! R" n
54-400 Separation from Other Conductors
- F4 u5 }3 ^. Y7 PEquipment
6 ?6 d/ o9 X/ [$ q, E2 S% \9 F7 u54-500 Community Antenna Distribution Amplifiers and Other Power Sources
% y* e7 G" |# c; `5 D/ |54-502 Exposed Equipment and Terminations" F* k. c" h$ V }1 g& V' M3 a
" M0 f7 S. l; d% ~9 S4 U9 V2 pSection 56 Optical Fiber Cables. ~+ ^$ G! S1 l+ W3 k
General$ k8 N) Y6 I$ N4 k. i' ^
56-100 Special Terminology
3 P8 G1 b6 l- s8 t( G56-102 Types0 U5 | q7 L z; Z2 A, e
Installation Methods
2 R3 \) N& K* K4 t56-200 Nonconductive Optical Fiber Cables (Appendix B) u! }! X3 `; l
56-202 Conductive Optical Fiber Cables (Appendix B)3 e5 `6 R1 K+ X' [
56-204 Hybrid Cables
, f2 I6 g& p5 a0 b. u56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
% P e# N i ]% x" _6 t; N
# m# _+ B5 g; {/ r) U FSection 60 Electrical Communication Systems1 {4 U& E% J& `7 r0 x! f4 {
General
% W/ S1 y5 V2 `/ I2 ^60-100 Special Terminology
& C5 f7 i$ d; r! LProtection
* {$ @% C. l) t/ d60-202 Primary Protector Requirements
. G* @( _2 l* g9 C0 c" e% NInside Conductors2 ?( ?" U/ H: P
60-308 Separation from Other Conductors
& ?+ T/ F: c7 x/ q. T& EEquipment* g% N4 k6 U/ |
60-404 Exposed Equipment and Terminations
4 t* u- M9 p. C, Z4 L% P* rUnderground Circuits
+ G0 Z- c/ ^* P9 ?9 ~8 }60-600 Direct Buried Systems; J6 L6 Z6 ]; T
; U! v/ @, C6 u# ^- gSection 62 Fixed Electric Space and Surface Heating Systems* x9 K) L# |/ R$ T
General# K! l- ?5 Y4 T0 k7 E5 g
62-102 Special Terminology" U! F+ o/ M) b( G4 \3 m( Y; V9 T6 l
62-108 Branch Circuits
. b2 | r- l, V7 l) E62-110 Installation of Fixtures; Y8 A }' Y+ m' }( @; _
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
: [+ X, J: J4 C" L. ?62-116 Demand Factors for Service Conductors and Feeders (2)
' `1 \- F# ~+ R6 X' |; r62-118 Temperature Control Devices8 B- b, e5 F4 ^. ~! p0 I& M% e
62-122 Installation of Series Heating Cable Sets (4)(7)
( O8 O8 B& r3 ^0 q M+ H6 IElectric Space Heating Systems0 w; I/ c4 Y* W @2 h( q
62-202 Temperature Control
?: J% E- S) H; _62-206 Proximity of Other Wiring (Appendix B)8 s7 \: m1 u" T
62-214 Installation of Heating Panels and Heating Panel Sets4 j6 b$ F0 W4 W
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
1 M! y3 s' E9 B9 |5 A% B4 \% c62-226 Installation of Under-Floor Covering Heating Panel Sets- O, c3 _* k7 @! \- Y: L
Electric Surface Heating Systems
! b+ V( B: k( s* b: [ q2 m62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
. P+ `4 @) @( s G/ o4 a1 f$ `9 J H
Section 68 Pools, Tubs, and Spas
3 W2 u* N- F) j- Z/ N4 S/ LGeneral! a4 O5 q9 h, X! x8 ~
68-050 Special Terminology
* {( a8 o. _1 G& G! f68-056 Underground Wiring - Table 61
5 ?" T1 p) a% \4 c' I5 d68-058 Bonding to Ground (Appendix B)
) J6 i4 a! c5 V; {; J5 i68-060 Junction and Deck Boxes (Appendix B)7 A7 w, g1 [) B/ P
68-064 Receptacles8 N+ I G- G7 v/ ], Q- [0 d/ Q
68-066 Luminaires and Lighting Equipment/ ^% ?& D- Q% V+ Q% o9 Q
68-068 Ground Fault Circuit Interrupters (Appendix B)
# a4 N" U: }! G0 q* Q3 Q: T8 O( @5 Z. `9 M( {
Section 70 — Electrical requirements for factory-built relocatable structures and / g( [' x9 N) e* M: Q% W
non-relocatable structures$ G% P) S; A7 [8 \$ o' d( v
70-130 Tests (see Appendix B)9 Q, `' A# Q" x' N/ T
) H" q" t, ]; fSection 76 Temporary Wiring (Appendix G)
& E5 ]( r' U y76-004 Grounding
: G3 X C- S, f9 W: M5 ^ A. h5 I76-008 Service Entrance Equipment6 r# k* B7 c7 z7 q. p4 u# C
N 76-006% |9 P/ }: u' ]# E
76-014 Branch Circuits8 A# x5 ^# U) {8 y2 [
N 76-012- }6 H( p- l1 J5 K! b9 ]( X
7 |2 ~8 d' E( f/ B0 Q$ n
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours. s3 L) C( z; |9 ]
Marinas and Yacht Clubs
2 c7 M6 Z" y* j2 V+ D% B4 l3 l" |/ E78-052 Receptacles
6 C! E( Z* G x0 X G9 j" x$ u* F/ V, h78-056 Feeders and Services
0 y7 e2 s1 F! aMarine Wharves, Structures, and Fishing Harbours( |5 u0 M6 E! B9 d
78-106 Grounding and Bonding E8 {4 v: z8 M# X( K" r) \
Tables. I' t1 o& J+ @) p6 b" }' y
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. p/ ~9 O; Z2 y) E) u
: F3 @7 F' r+ jDiagrams: 1, 2, 73 u4 \8 U7 R' a& |
4 p- L& ~0 J5 A6 i, Z& S! f
Appendix B
& Y6 q- {# @" P, |4 B! g; nP352: Ground fault circuit interrupter- 6mA9 F* \& K V& G- d) [* q& M
P354: 2-126 FT1, FT4) R- z! _( I& p8 a
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)0 M% i C' M0 c
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)5 P0 E" T: G& }: f
P370: 12-1012, 1118, 1214 Example:
. q; X, C% q6 }: Z, ]$ L# }- ^. xP371: 12-1108
4 E0 m9 S, p: `6 X8 QP381: 18-108(1)(b), 18-158(1)(b)3 R3 ^; g4 r2 C+ h7 M1 i
P386: 24-206
# i7 o& z y3 M% t# J9 ~. wP389: 26-256
2 M! e$ G' K4 U( T9 sP391-P393: Section 28, Example to determine Motor Conductors and Protection
# `6 }+ S! l% K) C9 o" Q0 x' K! M) B+ n( W2 x4 O
Appendix D
7 E0 [2 M( E! k0 H: |" [+ V+ J3 CTable D1, D2, D3, D4, D5, D6, D7, D16 |
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