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Canadian Electrical Code Review Guide
% u. _! K* |& }$ s" zFor the Exam of Electrician For Red Seal License6 |! I: x$ ~7 {
: Z, D. m9 j) j: _
Lesson One O; z H; k/ H Q, S H7 z. i& p8 l
Section 0 DEFINITIONS6 j8 u+ N+ A5 W( ]6 M
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:2 E6 N' B0 c3 z# r
Accessible as applied to wiring methods( k2 `+ K$ }3 |* B4 ]
Alive or live
: V- ?' i* k, v Y/ KAluminum-sheathed cable" R$ J; K* d' `2 \1 j! i: b
Ampacity
. m# g$ J- {% ]/ d) _- q1 SAuthorized person
& C* e4 j4 n4 Z+ yAuxiliary gutter8 e" Z) ^4 E2 V. t
AWG6 n& x) ? V/ ^1 W) P9 j' i
Bonding
# t4 `1 U! { F) }6 ~4 iCable tray
- Z; F. A7 ?0 qCellular floor8 m: c: e4 _' g7 l* o" K. j
Branch circuit2 u6 U2 z. ?/ x: k' s2 Y
Bus! b a j5 g) L6 C0 U! ?+ y
Busway
; i; g' w# P" ]9 N* |) ^% ECommunication circuit
8 Z6 u7 k8 ]" f2 |Extra-low-voltage power circuit$ X( B I; Y: [) w( X2 i
Low-energy power circuit4 W! @8 |8 D, [
Multi-wire branch circuit/ } C/ L& n6 ^7 n5 ~
Remote control circuit
" `! {5 ~4 O S3 l( D1 bSignal circuit
9 h% H" c1 k6 \8 r5 YCircuit breaker0 R3 ~) D O' K% L$ F* Y
Instantaneous-trip circuit breaker3 v' Z/ x( V( H4 b: O" ^
Conductor5 f& n& A5 o. t0 b7 w/ W# O
Conduit t' X8 V& C0 Y) ], g! T9 T
Flexible metal conduit" F7 Q) L' f' t1 [2 I g6 ]- x
Liquid-tight flexible conduit
9 R8 C6 C4 e4 e' k& I Rigid conduit1 n/ d# G/ {% m Y' N/ S1 w$ K
Rigid metal conduit
2 e& J1 O* Z2 r4 V Rigid nonmetallic conduit
; i. \; W% J8 ]( i W) d2 W Rigid PVC conduit
5 Y( j; Y0 A: @9 M0 U+ {Connector8 H( E0 W( a+ h1 F
Box connector8 B$ b( h7 K2 q, c3 L' G
Wire connector# b U0 g8 c' ? [) ~
Controller2 M: {% `2 O6 D2 v: C U
Disconnecting means/ t; r! r/ w4 L/ N6 r! z: `
Dust-tight8 X# D n$ F# U0 c" J; w# S- x, `
Dwelling unit
* H1 S8 ~* y5 H$ ^ L( n1 i4 BElectrical contractor
( J. p( i. [& C$ z' a4 Y2 z+ E gElectrical metallic tubing% M9 j8 C# K" O
Electrical nonmetallic tubing S& J6 A) Y7 H: i
Emergency lighting
; }0 t0 Y' L8 N( h" cExplosion-proof
) W: ^) Y3 X5 W0 C7 `Extra-low-voltage power circuit
3 d( D$ c8 b D. f s" a! x( uFeeder( F9 x9 E4 _2 r5 p) p X
Flexible metal conduit
# E7 T' Z2 y ?+ tGround
z) T4 f! M' c& h; {# ZGround fault circuit interrupter& y# J) p7 n1 n7 [+ N$ m
Grounded$ h5 ^* A' C1 Q0 X2 i/ C- S
Grounding
; Y' n( I& j* L* ?$ T. B2 zGrounding conductor" W$ Z- B: ^, l$ l( Z- T! [
Grounding electrode+ n8 Y) w' m! z8 Z' c
Guarded2 W" J9 m: b# X4 k; q! ~( r4 e
Hoistway
! c* o4 w% g" \: Y! P: J" |Identified& m; T( b( S2 D' _, p
Lampholder: D: Q- i& @) t& R9 y* I
Low-voltage protection3 Y8 V7 h. O0 D# f
Low-voltage release
( E8 ]0 f. b7 S! g. F' oNeutral
' m7 X) w9 z4 I* ONoncombustible construction' }" s- e4 p+ p8 A9 ^! k6 c
Outlet
( h! W& s, C7 F, H( zOutline lighting
* J s& O. l9 P& K8 B. tOver current device
/ W6 C5 i. r5 l& v, n1 pOverload device$ e0 ^' |8 ^! c, ~& `
Panel board
7 h& t# f1 h% E& m' C! wPanelboard, enclosed% n4 H) i' A* ~2 e! D+ Z X' Y
Permanently connected equipment
0 A' |: {4 E. ?Permit
& r/ `: K& E. I# yPlenum
1 ^' c! [9 M$ u- `Portable as applied to electrical equipment0 B3 b7 S5 T) T/ B6 N
Portable ground fault circuit interrupter" u) f2 r% p& x
Power supply cord
! t- R! ^9 U7 ^. K" t5 cRaceway7 n) H& t; l- W/ G
Receptacle. Y# f- P, _5 s! K7 l
Duplex receptacle+ q; \6 a2 m8 _4 d- d
Single receptacle6 O( P1 F* i& u% Q
Split receptacle$ K" o- w+ p( E
Service, consumer‘s
1 K }3 O9 g$ f8 H# w$ mService, supply
, S% e4 Y, y' o) H7 \Service box
2 x# v3 Y: t0 A- t5 VService room
& @2 ~/ O+ c3 C' ^' L' o* E% t- y/ LSingle-dwelling5 u2 b W" I0 H0 w p! j/ P5 s E' v; F
Slow-burning as applied to conductor insulation
! v. M" I K; BSplitter+ U# A0 F) w. m8 D- r1 _
Starter$ \8 @ E, g Q! \% t1 K# [
Switch3 |" a5 e3 L# v! Q' ?
General-use switch
3 Z% i$ k* t& w Indicating switch' _: f$ X+ q1 M$ t' \+ N* K9 c+ t; w
Isolating switch
" V g! X3 V. @/ j* ?4 [( s' r+ c Motor-circuit switch
8 |/ ^) s: q: e; sSystem
9 D( W w- T1 B% p! F Communication system
% J0 w; u4 j6 z, X. @0 H) D! n+ z Community antenna distribution system(CATV)
1 p9 Z/ g9 _2 ^, |2 y Grounding system
( v S8 d# J' R$ y& cUnderfloor raceway
0 Z/ i/ h: q3 ?4 k8 M5 t# U& ZVoltage:0 s% t2 [# ^ C8 Q+ C0 y% b+ z
Extra-low voltage
% u7 Y5 f. f2 X+ ?$ f9 l( A5 e High voltage* C& m) ?9 P$ ?. u G/ K1 l( f! S# ~
Low voltage/ {3 t4 x8 S: c+ S3 z
Voltage of a circuit5 f8 }* g; y2 l
Voltage-to-ground7 T. q+ B6 B2 ]2 q( K
Wireway4 m9 [) O3 w* L
U0 F, U4 U0 a3 A8 q4 xSection 2 GENERAL RULES
- J* f; Q: e8 u2 ?9 m2 ]8 kAdministrative1 F0 ]2 X) \( L) T* N3 _
2-018 Reconnection
1 a6 k7 u/ b2 J* C; Q' K6 w$ l2-030 Deviation or Postponement+ `0 w$ ?/ J7 G( V u9 z5 K% k
Technical General0 z6 z9 b) i/ ^$ z7 `) M
2-106 Circuit Voltage-to-Ground – Dwelling units
- h- A5 L& r9 z3 l' K% i7 I, w9 J' D2-114 Soldering Fluxes8 ^$ l1 V+ B! p
2-116 AWG Sizes of conductors! M- f& `2 F# Y3 B1 D4 K; q+ k
2-124 Fire spread (see Appendices B and G)% `8 Q/ j6 a8 M4 B$ { X
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
! n; N2 o7 B: s$ NProtection of Persons and Property
6 G6 o, L: c- m- P, b1 X& n: B2-202 Guarding of Bare Live Parts& @: F) [' Z: k/ f
Maintenance and Operation
1 |0 z! r* s9 y' H3 j8 N% C2-304 Disconnection
; H4 v) H2 Z4 G1 C2-306 Maintenance of Live Equipment( k( c* t) E6 Q6 x" ]9 ?/ n
N 2-306 Shock and flash protection (see Appendix B)- I. V% [3 _; G& C' F
2-308 Working Space About Electrical Equipment: Table-569 k, {" X7 _$ e. N: I& X& e5 T1 K
2-310 Entrance to, and Exit from, Working Space
+ y$ B7 t8 B9 }" Z, z7 A4 C) \2-320 Drainage8 V1 p: q; o# V9 x" k
2-322 Electrical Equipment near combustible Gas Meters and other Devices
3 O3 N5 v' E" K4 g8 ~6 ?* `% gEnclosures0 N: W- m+ |. E# u R5 _
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) ) R) H6 T8 A+ q2 _7 C- K1 F; V
2-404 Marking of Motors: DP, WP, TE5 t0 H1 `. G$ x
% B1 t1 ?3 k: Y, Q9 HSection 4 Conductors
8 D8 Q7 [. ?( o! A2 O4-000 Scope
+ f0 }# r6 i v; k7 V8 b! a) b4-002 Size of Conductors: 14#, 12#
2 m6 V, X2 E& [) p4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
8 @" C0 k+ R# p, H" F4-006 Insulated Conductors: Table 19! E4 W4 _5 a) K0 F: A
4-010 Uses of Flexible Cord: Table 11) t u% _$ J. e5 E2 }$ e7 E8 d
4-012 Sizes of Flexible Cord
* T# T6 x1 M5 k, g0 n4-014 Ampacity of Flexible Cords: Table 12
3 @8 n1 X9 h3 y$ u4 F$ o8 I, {4-018 Equipment Wire( y: N+ l$ I( f) d$ o
4-020 Insulation of Neutral Conductors
7 v9 `$ P: z, _6 X, C$ ?4-022 Size of Neutral conductor
! d9 d$ S6 W5 G4-024 Common Neutral Conductor
4 Q$ v! I1 H8 @+ q4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum/ C. D( P$ @( W1 J' a( m
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
/ c- L/ Z0 y5 R/ A2 M5 }' A2 h4-032 Identification of Type MI Neutral Conductors Y! p6 c6 N! P- b% Y
4-034 Use of Identified Conductors' W. W$ g+ M, ]1 D
4-036 Colour of Conductors: Phase A, B, C, …! s* h6 @+ b$ o% b _; w
* E' v( q; D( x8 J, l$ M5 PSection 6 Services and Service Equipment A! ^+ Z$ M7 X2 I$ E) G
General
2 {! b$ L J6 v9 J6-102 Number of Supply Services Permitted" i, E% p* \$ p' N
6-104 Number of Consumer’s Services Permitted in or on a Building
3 {! a3 x _5 z n6-108 Supply Service from an Electric Railway System: q. u1 G) H' K% Y: C: L% l: m6 H
6-110 Three-wire Consumer’s Services ) q0 Q$ `) [" |" T( p5 N
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors2 ^# f2 G. S3 i' \+ I$ F# A
6-114 Methods of terminating conductors at consumer’s service1 K' A6 W4 f; @
6-116 Consumer’s Service Head Location& O( h2 c3 `) Y$ Y+ `% q/ ~
Control and Protective Equipment
, o$ e( s& N! C( a$ S/ _) N. Q d6-200 Service Equipment& q" {3 m9 O; z( O0 p
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
, W. i9 L' m$ S: q8 W v& {6-208 Consumer’s Service Conductors Location7 x1 _ r7 H2 f
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches5 d! c4 n# T8 Y6 r
6-212 Wiring Space in Enclosures
+ {) t9 q+ O7 g: k6-214 Marking of Service Boxes U/ [# B5 D; P* |+ _
Wiring Methods7 p g' I7 c, @6 y
6-300 Underground Consumer’s Services
( n( O/ X! e3 M5 \2 }* y7 E6-302 Overhead Consumer’s Service Conductors& l% W, ?" L- y8 F' J7 h
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
. _+ u0 g3 j( w5 y6-306 Consumer’s Service Raceways8 [$ _% Z% n8 e
6-308 Use of Bare Neutral in Consumer’s Service
0 U" v1 \% X4 h! s9 F6-310 Use of Joints in Consumer’s Service Neutral Conductors& |+ @1 `" n W. s: c( T7 M
6-312 Condensation in Consumer’s Service Raceway4 G& k: }1 E! b
Metering Equipment& P. l6 b- {, [& Y& T6 Z9 F) \4 z
6-400 Metering Equipment0 [% z1 u1 W6 a( u6 N9 t+ S
6-402 Method of Installing Meter Loops# C! \) F% L2 w8 v1 H
6-404 Enclosures for Instrument Transformers" r0 n) h5 H) U
6-408 Location of Meters
5 r F5 I5 l# g
- G: r3 ^" k) e+ ISection 8 Circuit Loading and Demand Factors
0 M: h d+ }" IGeneral
9 E* }( r/ z2 \0 K8 r8-100 Current Calculations4 F4 W; P, j/ [5 I
8-102 Voltage Drop ( see Appendix D)) I, b7 _- M6 J1 L+ F% S7 s
8-104 Maximum Circuit Loading% V3 X% B5 K+ [9 [! f
8-108 Number of Branch Circuit Positions4 {7 d; A- y( [
8-110 Determination of Areas
6 |2 `8 ~: T/ bServices and Feeders
" k7 X# U$ y; ]4 V$ c+ J' l8-200 Single Dwellings (see Appendix B)7 u: I0 T% y# H( o$ R8 J% t
8-202 Apartment and Similar Buildings
% ~, E6 K# E, u) Y8-204 Schools
5 s- w, @5 G/ c8-206 Hospitals% `3 `5 A4 i4 e% y6 n
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
1 j- R: V9 y+ V. R7 W/ p6 S/ G8-210 Other Types of Occupancy (Table 14)9 H5 l {) E( v) f4 p9 n8 Z
8-212 Special Lighting Circuits
9 M; Y0 }4 V3 l: Y% O1 PBranch Circuits
5 U# y: z: r4 a7 @, i" e8-300 Branch Circuits Supplying Electric Ranges% d( G! u9 z* d# S1 v
8-302 Connected Loads
$ Q5 h# ^1 Z5 s
9 J, F& X- F% ^3 l9 j* CSection 10 Grounding and Bonding
6 I% l9 q: M3 M4 a. ]Scope and Object7 k: }9 k2 W$ z7 ^
10-002 Object; q- Q4 j& a; L3 m
System and Circuit Grounding
' F* S5 \- |) M7 X10-102 Two-Wire Direct-Current Systems$ X; q1 z6 S# ~( X# q2 L8 O8 ]
10-104 Three-Wire Direct-Current Systems1 }) N) {/ e d- H- i: u
10-106 Alternating-Current Systems* w! @6 ~, I+ d
10-110 Electric Crane Circuits) ?: G9 Z6 [6 T _) B* K- I6 U
10-114 Circuits of Less Than 50 V
* k; c& B7 {, Q) t6 [# Z8 [10-116 Instrument Transformer Circuits8 I& Q, k& A5 V/ ^
Grounding Connections for Systems and Circuits6 ~) v& s4 ]# `* h
10-200 Current Over Grounding and Bonding Conductors
+ v3 A( c A2 x B10-204 Grounding Connections for Alternating-Current Systems
# K7 E+ d. d( n$ C. D, N& j8 H10-206 Grounding Connections for Isolated Systems- F, Q+ {% z( u) y% _8 D: z0 ]+ E
10-210 Conductor to be Grounded
- J9 n3 c& m" l# f! `Conductor Enclosure Bonding
. u) g! |: Y6 r+ h* f: S5 i10-302 Other Conductor Enclosures
5 a9 u9 t1 s1 [( @& |) VN 10-3043 N# J8 _8 p* d' U/ [
Equipment Bonding. L9 g: Q7 P7 y
10-400 Fixed Equipment, General
4 d: \2 O. A5 I2 M10-402 Fixed Equipment, Specific (3), (4)
4 D: ]9 W7 X {! I' f10-404 In Nonmetallic Wiring Systems
3 u' P' ~; {5 E5 B* I3 _10-406 Non-electrical Equipment
# M3 {$ a0 c) L5 R9 u0 \10-408 Portable Equipment (4)(b)0 t" b$ B0 O: ~+ k! Z
10-410 Instrument Transformer Cases' _4 T& _# k5 P7 q. `
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less- m! x/ y7 n) A" b' M3 D+ v1 N" I3 ]
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V2 ]+ I0 r# a1 u- j1 ^1 j
Methods of Grounding' D& F1 |. J. I: F- y
10-500 Effective grounding (see Appendix B)# x% d8 H/ V, i6 c, u+ O# b
10-502 Common grounding conductors9 c8 G1 a4 B! q* Z$ e7 h9 L8 A
10-504 Common grounding electrodes1 G6 E! `0 ]! W- b. S4 v. W
Bonding Methods: A0 u0 P0 X2 h* W' M n3 b
10-600 Clean Surfaces
. s5 L7 a. l0 k4 F5 l10-604 Bonding at Service Equipment3 O- }7 Q# \+ c t( n
10-606 Means of Assuring Continuity at Service Equipment: j% {( Y4 d5 e+ x7 T/ E
10-610 Bonding at Other Than Service Equipment6 c% h, N+ ?4 `8 g" @
10-612 Loosely Jointed Metal Raceways
" D' Q a: |/ j% E! B10-614 Bonding Jumpers Table 41
' c1 p0 @# b B- m" jGrounding Electrodes4 [& }9 Y: j, u9 _" j* V. K! C) L* Z
10-700 Grounding Electrodes
$ X+ T; R6 J+ \6 S' N10-702 Artificial Grounding Electrodes& g. ~( r3 V1 A G! D" o& W9 F/ p
N 10-700 & 10-702
# C3 t, M+ } ^" f10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
* h6 ]" T) k& g- V- }& R) B& MN 10-702
5 b/ W5 @; \( w) Z: i" B& _10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding5 e# H& _9 c3 ~7 z
N 10-702# s* j, z/ ]# I. m9 n/ b% g
10-710 Use of Lightning Rods (Appendices B and G)
# C5 @0 E: j- k" h: pN 10-706
5 `' d2 |% n" _& k# sGrounding and Bonding Conductors
8 V. L1 X# G( g5 k8 s | Q10-800 Continuity of Grounding and Bonding Conductors
+ H: e. ?6 x* W$ S v1 y8 t10-802 Material for System Grounding Conductors7 i; O# v0 U, g
10-804 Material for Bonding Conductors
5 \9 G1 V* k: A1 n8 K. ^: `10-806 Installation of System Grounding Conductors; [# O8 @0 W6 I; y3 e( j; Z
10-808 Installation of Equipment Bonding Conductors
7 V7 P9 s/ Y# a6 `* T/ j4 F# h6 t10-810 Grounding Conductor Size for DC Circuits7 ^0 U+ d0 t& I; C) X
10-812 Grounding Conductor Size for AC Systems (see Appendix B), D! Z1 U _; |' i l" W2 \
10-814 Bonding Conductor Size (Appendix B)0 j6 i {* A( j$ k
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
( O. P" {% `+ j( i% b6 i2 [3 E10-818 Bonding Conductor for Outline Lighting: l7 S* p* p4 ^8 D
10-820 Bonding Conductor Size for Instrument Transformers
3 S2 L: y! a6 f' qGrounding and Bonding Conductor Connections
1 w8 c0 M* k$ P1 I( E4 R6 p10-902 Grounding Conduct Connection to Water Pipe Electrodes
) x& k- n; W# H, k10-906 Bonding conductor connection to circuits and equipment
3 R8 q" i' @, q10-908 Grounding Conductor Connection to Electrodes o+ c: T/ x+ a# ], w. t o
Lightning Arresters
" |3 v6 q, Y6 X- b10-1000 Lightning Arresters on Secondary Services – 750V or Less6 c1 @8 m; K) F; ]; q6 q
8 q1 P$ E+ x& I6 jSection 12 – Wiring Methods
& {" ^( X. c9 z! l: }# XScope
; K' E6 K' ~5 b' ?: v: B12-000 Scope (Appendix B)
1 }6 v9 T3 l, p1 w) DGeneral Requirement+ n g! ?/ Y+ o! N/ H8 i
12-010 Wiring in Ducts and Plenum Chambers
. A$ N9 D8 P" Y2 L1 h1 O9 i12-012 Underground Installations (Appendix B)
5 r+ s1 v& E4 x12-016 Lightning Rod Conductors' L' R9 @3 V6 B- c5 m8 X
Conductors - General4 a9 Z5 }! A. d& j' W, X
12-100 Types of Conductors (Appendix B) Table 19
1 T) g9 u% ]& V# L8 d! V+ N12-102 Thermoplastic-Insulated Conductors
5 {7 W- l, b5 M12-104 Flame Tested Coverings8 W3 o9 D6 _# z6 V+ ~5 g8 Z
12-106 Multi- and Single- Conductor Cables
% N, |8 F+ s1 L, y) j3 ]- U8 L12-108 Conductors in Parallel (Appendix B)# H2 z/ J: ^/ w, P" e0 ]
12-112 Conductor Joints and Splices C$ q& m/ G$ X: y! X( H
12-114 Ends of insulated conductors
6 m# s, T, @. r7 ^12-116 Termination of Conductors (Appendix B)
6 Y. S3 {, c x3 I: u0 I12-118 Termination and Splicing of Aluminum Conductors3 a2 N' o* C+ Z3 I
12-120 Supporting of Conductors - Table 214 Q# a M1 D8 G7 }+ w7 v; w t, `( p6 y
Open Wiring
1 a" p; A5 e$ ~/ `) g% z6 u- l" n0 S12-204 Spacing of Conductors
0 {& S; V4 G+ N8 n0 k7 z; \12-206 Conductor Supports5 R1 g, ]6 C+ |
12-208 Conductors on Flat Surfaces# P; S" [; n8 X$ z& A5 }2 A: s
12-212 Protection from Mechanical Injury4 H7 B3 ^; t$ R8 u; F
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises. [/ f9 S. r+ s5 [2 c8 N& h
12-308 Minimum Size of Overhead Conductors
) E/ K7 ^# C- D+ t12-318 Use of Neutral Supported Cables
5 u6 y8 l9 ?: {* ~6 c+ QNonmetallic Sheathed Cable
a& r" w! n$ [+ x5 H( c% T" s7 H12-502 Maximum Voltage
2 U; I: f/ t: w7 t3 `12-510 Running of cable between Boxes and Fittings (Appendix G)* ]5 A [8 B- M1 K
12-514 Protection on joists and rafters
& Z/ Y: X! _3 p$ n/ t- V; w! x12-516 Protection for Cable in Concealed Installations (Appendix G)
& U5 `' b V( w12-522 Where Outlet Boxes Are Not Required
3 d) J" }' s6 DArmoured Cable; [7 [! J' @( i" V6 M
12-602 Use (Appendix B)
+ K4 c4 V3 e2 L ~9 B12-604 Protection for Armoured Cables in Lanes
1 U5 ~- l c# Y! x2 Z3 c; e12-606 Use of Thermoplastic Covered Armoured Cable
6 {' t9 D7 e$ X H0 W; j! i# O12-608 Continuity of Armoured Cable
2 D9 A- l; e3 ~6 M2 r12-610 Terminating Armoured Cable
3 L$ V9 M3 b/ m3 w# _1 K9 Z12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
/ v% @5 P5 ]1 b- Q& H12-614 Radii of Bends in Armoured Cables
' ]8 \2 y; h2 U" @4 q7 X" H; l12-616 Concealed Armoured Cable Installation
5 [6 M# X( f5 e1 `. d1 n* E9 I12-618 Running of Cable between Boxes, Etc
+ U: x% E4 N" | u" N# PMineral-Insulated and Aluminum-Sheathed Cable
. W3 x; q3 F0 K P' {: x12-702 Use
4 V3 ?# @( ~/ N& A2 n0 V) r12-704 Use When Embedded( v6 j' E' r" ]/ V
12-706 Method of Supporting
! u) p' ~9 a* z v12-708 Direct Earth Burial
& b1 | s/ K6 D" \, |1 Y0 J0 I( n12-710 Mechanical Protection
& `5 s$ Z$ ?" x+ I" H* {+ w; C12-712 Radii of Bends
' w! E7 U# P. a/ h* U6 H9 R, c* o, q" @8 S12-714 Termination of Mineral-Insulated Cable (Appendix B)
0 |: R* A! Y4 Z! V" Y' ]4 z6 D12-716 Connection to Other Forms of Wiring
1 ^ a) N# R) x, q- NFlat Conductor Cable Type FCC; L; v& @( }/ c5 _' N* s0 l
12-804 Use Permitted8 n; B0 x+ r4 H U* D: ^: V
12-806 Use Prohibited
: N6 d; `+ b1 f& ]( n12-818 Anchoring+ o) F1 p2 A( g
12-820 Crossings
; d6 I; }9 u# {" zRaceways - General5 R$ ]8 b. b4 Y9 H
12-904 Conductors in Raceways
5 |0 g% J: V8 q q6 K3 P12-906 Protection of Conductors at Ends of Raceways
8 C: _* a, |- F# L$ [2 X12-908 Inserting Conductors in Raceways
2 R# b6 z2 _6 ?12-910 Joints or Splices Within Raceways# b- Y% \" J4 Q% [) m. q) x
12-912 Stranding of Conductors, w7 t0 Y4 H8 O7 _3 K( _3 F
12-914 Electrical Continuity of Raceways; ?' @; I# o& s
12-922 Radii of Bends in Raceways7 F; y5 E$ V; z2 c2 e' b3 b% ?0 o4 r* d
N 12-922 Radii of Bends in Raceways Table 7; ?6 Q' M, _/ k! F1 T B! N2 L/ `
12-932 Protection for Raceways in Lanes
- M. O+ ~: B& `/ y# C; q12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)2 J' U, r# J* Y; K" [1 u
12-938 Capping of Unused Raceways
% f w# c, o) l9 n0 H12-940 Maximum Number of Bends in Raceways
9 L/ ^- P+ m7 X6 d% h1 X+ A; x6 z& }+ GRigid and Flexible Metal Conduit
9 P5 M# f5 w D3 m1 h: k4 M2 x* x12-1002 Use
. R) s8 U9 c! [5 r) N/ z* m12-1004 Minimum Size of Conduits
7 ^# E% x- [+ c0 k12-1006 Conduit Threads (Appendix B)
( ?6 N& d/ O/ L) [# S( [% i/ B- c3 h12-1008 Thread Engagement }! @+ c4 y+ P6 l
12-1010 Maximum Spacing of Conduit Supports
5 J/ N& t7 B% T, r8 S12-1012 Expansion and Contraction of Conduits (Appendix B); j4 f- P& z: Y! \4 d" X* o
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
" J& {* q0 a$ P9 D& J" ERigid PVC Conduit and Rigid HFT Conduit( k+ Q. K7 o% |7 a( f! o- o
12-1100 Use
8 g+ J8 e& _. u8 @12-1102 Restrictions on Use6 i( V: ?2 s4 h; w+ t/ X6 @* h
12-1104 Temperature Limitations (Appendix B)2 U5 h+ H7 y6 {' D# @0 d
12-1108 Field Bends (Appendix B), (2)3 q/ F* l# d; V; _8 x
12-1110 Support of Luminaires
9 d' M9 C- N0 Y3 V9 a12-1112 Fittings
6 o8 X, Y$ B+ E# S. \' i12-1114 Maximum Spacing of Conduit Supports- T% k9 l7 G# \2 W0 J4 u
12-1116 Support of Equipment
: ]7 m& e8 {+ _" _: h2 y5 }12-1118 Expansion Joints (Appendix B example)
7 l K8 C" E" U0 j) j$ |' d& VRigid RTRC Conduit
& S! a7 j2 Y/ D4 [, r* \12-1210 Temperature Limitations* R2 E5 \9 O5 |
12-1214 Expansion Joints (Appendix B)) k) R( ^; G5 W, b
Liquid-Tight Flexible Conduit
@( A- f7 U0 g0 n& b4 O+ ?! V( N12-1302 Use of Liquid-Tight Flexible Conduit- j( d8 Y E: i/ ^4 i8 s$ K
12-1304 Maximum Number of Conductors
. ~) _, P5 K5 {& K* j3 ^7 `# u12-1306 Provisions for Bonding* Q; Q1 ^' ~% w" m6 H3 F7 ~
Electrical Metallic Tubing! ]0 \. Q* K" x @: |
12-1402 Use
8 ]. H8 L/ p" p1 t* ^7 ~12-1404 Supports0 t$ K5 [7 k+ n: t" I
12-1406 Minimum Tubing Size
% _+ \# J Z ^3 w# p12-1408 Maximum Number of Conductors9 _9 U) U/ o+ s
12-1410 Connections and Couplings p t" d! U1 P6 i
12-1412 Radii of Bends in Tubing" Q% x" e' w5 l. W% l- e8 S2 `
N Table 7
8 a' G" ^0 A- a1 L1 P( M0 i" [- bElectrical Nonmetallic Tubing
2 u. I: |9 G0 f$ ~+ e12-1516 Provision for Bonding Continuity
1 G' @; A, R s9 G1 `N 12-1514 `; L8 q8 D6 f9 D
Surface Raceways
3 ^; l6 B& k% x/ S12-1602 Use of Surface Raceway (Appendix B)1 F8 e! T0 p. J
12-1604 Temperature Limitations
# }" P% A( k, N O7 T- A12-1606 Conductors in Surface Raceways (Appendix B). r) {. i; g" c5 x
12-1608 Maximum Voltage
& U9 ^! Q) Q( V1 Y12-1610 Joints and splices - E+ O/ Y- M/ F% R
Underfloor Raceways
2 j0 O$ \) f( b$ U- F12-1712 Discontinued Outlets in Underfloor Raceways: u8 V4 N7 O4 \2 X5 p6 T
Cellular Floors6 ~" r) U! `$ n3 c3 a
12-1804 Maximum Conductor Size in Cellular Floor
0 y8 Q2 s6 [1 {. u5 A12-1820 Cellular floor discontinued outlets+ A! P+ Y: T5 q6 `+ U# o
Auxiliary Gutters9 |7 o; h9 d& s* N3 K
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces) U/ ?- u0 s. I3 ?
12-1902 Auxiliary Gutter Supports* N9 ^6 s N( z6 Y
12-1904 Auxiliary Gutter Cross-Sectional Area
. _+ A$ x% e4 X/ |- }. u) O, i8 xBusways and Splitters5 v. t" S% i: N9 b* g% d: R' i
12-2004 AC Circuits in Busways and Splitters6 e- N: ], \5 p3 S# l9 u
12-2006 Busway and Splitter Supports0 X- n6 l" Z+ m/ {! s6 [' g' f
12-2008 Method of Installation of Busways( d0 Q5 h A2 U- W8 E( d2 d0 X
12-2012 Reduction in Size of Busways
! r z2 C/ J5 f: y12-2014 Length of Busways Used as Branch Circuits- O/ G1 A7 l; B5 M) J6 U. b
12-2018 Taps in Splitters
! r* E/ h& J: m: Z- HWireways) E# ?" Q; ?1 e$ [/ ~* x
12-2104 Conductors in Wireways
! a" K% T& f* r& w) o- b12-2106 Taps and Splices in Wireways" f4 Y' p2 C. A6 j5 C6 x5 i' m
Cable Trays+ B/ P9 ?* e( j
12-2200 Method of Installation (Appendix B)
1 Z) a4 w4 e1 t" t9 Q; b Y* d! s12-2204 Joints and Splices Within Cable Trays
+ Y, ]( Z! V. T; s9 L1 B12-2208 Provisions for Bonding: Z& O! S j8 e. `( b
12-2210 Ampacities of Conductors in Cable Trays
$ e* e- k/ q; ?& t5 r1 h! nInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings+ u) ~: \+ X4 ], X7 I: n6 c( f
12-3000 Maximum Number of Outlets Per Circuit
" D* a. ]$ p; d+ P3 M. `N 8-304
) @. F* ?1 _7 O6 b# R/ {6 J12-3002 Outlet Boxes (Appendix B)/ Q3 B6 q% X9 L) W2 k# E& F7 ?
N 12-3000
$ T5 W' j0 C5 ~. S0 j Q. K12-3004 Outlet Box Covers5 t) L. d3 B* ^/ |2 r0 p
N 12-3002
+ A" D5 s! f$ t: _/ F1 ?8 L) Q* K12-3010 Boxes in Concrete Construction2 \( z: z! w! h) O
N 12-30081 u" z D0 O4 z
12-3012 Outlet Box Supports) y& r: S0 Y* e% X5 O! J! i+ R: n
N 12-30105 h6 w! T- J. w2 {* C5 \" c
12-3016 Accessibility of Junction Boxes
. p# y0 S5 L% hN 12-3014
; g: f5 Z$ `: j G- }12-3018 Flush Boxes, cabinets, and Fittings
! d# w) [2 d' {/ Y5 \7 t0 c" L3 cN 12-3016
* m! u+ s+ d. D" v7 |12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) . Q1 t( T, r- C# x
N 12-3022
& j: H5 S% w" y8 R I" ? O0 ]12-3036 Maximum Number of conductors in a Box - Table 23
8 e: X, x1 K: t' b7 Q* dN 12-3034
6 ]0 R4 @% v" I7 ]7 O12-3038 Pull Box or Junction box Sizes2 F Z5 ~& n% o' G, X
N 12-3036 V; v7 ?' ?+ y5 h( Z* L
* J4 P1 S" i, t$ n) D7 z6 c. WSection 14 Protection and Control6 K7 L) ]3 V& t
General Requirement {3 d; V2 Q& t* |( b1 Z; `
14-010 Protective and Control Devices Required
3 x7 [6 o" {3 H' l14-016 Connection of Devices6 n! y7 U8 ?, M# ?( O
Protective Devices – General
/ ]$ X; D1 F. g) s& z% L 14-100 Overcurrent Devices Required* Q/ h, m" }8 v c8 j& s: c- K
14-102 Ground Fault Protection (Appendix B)2 P. G g0 ?' E1 q( w4 A7 U+ N# O! o4 O
14-104 Rating of Overcurrent Devices (Appendix B) Table 13" @* a; i6 ^$ {: D+ q
14-112 Overcurrent Devices in Parallel( i+ M$ E$ H2 m& H8 |
Fuses2 X# s1 ]( I% O
14-200 Time-Delay and Low-Melting Point Fuses+ M0 M% V# L; r* Q1 [1 M3 D. Y# r
14-202 Use of Plug Fuses# F9 h, i/ E' \4 G, C3 c
14-208 Rating of Fuses
; M6 a1 f, g- o. F: D! F14-212 Use of Fuses (Appendix B)/ S5 E* b- ^- _; h) V
Circuit Breakers- f% m8 G& X; o
14-300 Circuit Breakers, General! m+ S' s# ~" M p7 ~/ h
14-306 Tripping Elements for Circuit Breakers
4 _( s5 q5 ]* t! p0 u14-308 Battery Control Power for Circuit Breakers
, V! b2 V$ h( m8 g7 I3 |) o. TControl Devices - General
- q2 x& C4 z+ E" p( p# T# x! _" {14-402 Disconnecting Means Required for Fused Circuits
: R t* _; n% t2 W; L0 w4 sControl Devices - Switches* }; W# v8 A! u4 t
14-502 Mounting of knife Switches! Q& t- F/ ?8 {" k
14-504 Maximum Rating of Switches: y; P/ f! s% w4 {3 b5 i' F0 r- x
14-508 Rating of General-Use AC/DC Switches (Appendix B)+ ^" R- M7 y: ?, M) u! H
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
% O0 z% E1 z8 @& m7 y0 V, `Solid State Devices
1 R$ I _8 Z0 T7 t: ]6 ]14-700 Restriction of Use
7 Y, f$ h, O0 U! U) j6 q/ `14-702 Disconnecting Means Required# m' ~5 Y' x ?( n; v9 M
Y/ w. k4 \* o* {& B$ ] N0 M# \
Section 16 Class 1 and Class 2 Circuits# h! ^5 U! k, ^8 W
General- D9 ~ W2 X; V
16-004 Class 1 Extra-Low-Voltage Power Circuits
, ^7 t( h7 S. p8 h0 M9 q2 {16-006 Class 2 Low-Energy Power Circuits" g% D; W& W1 |+ Q" ?
16-012 Circuits in Communication Cables+ h( v4 G: ]8 ]9 ?4 ?6 _" o1 P
Class 1 Circuits
. @) w( _( r# A" e$ m. a# |6 N" x1 u16-100 Limitation of Class 1 Circuits
: w) w9 }! j0 z% Q16-104 Overcurrent Protection of Class 1 Circuits( @5 W0 `! o" ~; P6 I
16-106 Location of Overcurrent Devices in Class 1 Circuits* A) m. O x+ ~; M; j: j& k( L- Y y
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers* X0 [( x5 Y+ T( h' ^( O+ |. I
16-110 Conductor Material and Sizes" _% V7 b3 G1 t- i4 B* M) S: f* D
16-112 Insulated Conductors for Class 1 Wiring5 S; q: F: J4 D' ~2 d7 p7 v0 U
Class 2 Circuits
) U7 f7 p; O/ g9 C2 S6 G16-200 Limitations of Class 2 Circuits (Appendix B)
$ `, O9 S3 [! s% \16-204 Marking; h* v9 H1 I5 {* L
16-206 Overcurrent Protection for Class 2 Circuits
% a/ m" m/ [* B, L- k3 ]8 \16-210 Conductors for Class 2 Circuit Wiring (Appendix B), U' s, }8 y* |0 A$ K
ELC: extra-low-voltage cable# P2 j7 V# G4 l8 s* J/ X
16-212 Separation of Class 2 Circuit Conductors from Other Circuits& {$ m+ k: C7 D8 w% {
6 L: @" `1 }9 y2 J2 eSection 18 Hazardous Locations8 D, f3 b" {* g7 p! V+ J; j
Scope and Introduction
7 I% c8 m, m) _/ a; C6 M18-004 Classification
+ s7 T+ P" e1 [3 `) \: Y* H+ `18-006 Division of Class I Locations (Appendices B and J)8 V% q! j( F7 h3 M l/ u
18-008 Division of Class II Locations (Appendix B)
: W2 A, a- j E9 L18-010 Division of Class III Locations (Appendix B)
/ {$ \( n6 P0 P7 i9 R7 DGeneral$ F7 c/ N5 V, S4 Y
18-062 Metal-Covered Cable (Appendix B)2 y* ^5 G& I; k0 n$ [0 S0 [& s2 m
Installations in Class 1, Zone 1 Location" K1 a7 m7 r/ X5 v& _+ X8 I
18-108 Sealing, Class I, Zone I (Appendix B)! {" ], `' n$ E+ D$ _" v: e
7 B' V' ]( p7 w& \4 u) H. T, M2 Z% k7 @Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
' z7 c0 T/ \+ v2 h" X+ PGasoline Dispensing and Service Stations
0 X; O: ?7 P: S) F l1 A20-002 General% @& t5 M) p. p" q) {; H, G: n
20-004 Hazardous Area (Appendix B)
9 d$ n4 s" O: x- {0 D3 ]Propane Dispensing, Container Filling, and Storage
# s2 d6 P$ t) P/ s4 k20-034 Hazardous Areas - Table 63+ K7 l' G( }( p, R; |5 b1 m
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities. s4 h! N! ?* k; n: X$ R# \3 ]
20-062 Hazardous Areas
% n9 O) e) e9 r5 [1 z0 c6 U x1 YCommercial Garages – Repairs and Storage
1 I: H+ k- ], {' ~6 C; `. i20-100 Scope; P6 r0 m4 h5 g3 p
20-102 Hazardous Areas (1) & A0 ~8 G' x3 t8 q7 F' G
- g/ E9 O1 I4 ~8 E5 n& d
Section 24 Patient Care Areas
9 g5 a) A" _) \24-000 Scope (Appendix B)( E9 j; x% Y4 H% z
24-002 Special Terminology (Appendix B)
5 N1 \5 [5 @1 S Patient care area6 B3 ?( p _ ^" ]) o
Patient Care Areas
( ~' f) x3 f) H4 D# @24-106 Receptacles in Basic Care Areas (Appendix B)& X: M# K2 J/ K' ~
Isolated Systems
# u- J: v4 Q6 W7 C" A24-204 Single-Phase Isolated Circuits (Appendix B)+ \* E0 b4 |& Z1 ^9 y4 k
24-206( q* S1 M W; a- m) R
# ?! l( K) u4 k% V8 Z
Section 26 Installation of Electrical Equipment
1 F& Y5 ^- l4 I( mGeneral) I' H- E6 C, ^/ O
26-004 Equipment Over Combustible Surfaces (Appendix B)3 S3 W" |3 S0 Y J0 o7 b
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
' c# M$ m! n+ n0 f6 G Isolating Switches/ b! c+ G {# a, k# S( h% N/ g& m
26-100 Location of Isolating Switches
' s4 Y$ i% |5 A5 L- oCapacitors$ D. F7 U% x$ N* T+ x9 `
26-204 Guarding of Capacitors
& P& p& _$ \$ S# H2 p4 A! z5 C* O26-206 Grounding of Capacitors
# [% B- D3 U; j2 ^3 ]26-208 Conductor Size for Capacitors- V( W$ [' Q5 S: |0 X1 B
26-210 Overcurrent Protection (Appendix B)
' I, y! n' @! X1 A4 D26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
& Z: d+ p/ ?6 a& Z) ?& ]26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits4 N; w! W" L$ I) `3 {
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
8 p. h$ c9 `6 w4 b0 E26-218 Special Provisions for Motor Circuit Capacitors
6 g3 F9 G) |: |% s7 g26-222 Drainage of Stored Charge of Capacitors' w9 U n5 \4 }) D( O8 z* t
Transformers, O3 u4 S( s$ Z- S3 @
26-240 Transformers, General
2 Q$ h. o) i! U* S& l& n8 d26-242 Outdoor Transformer Installations
$ P/ R" y7 b g4 s* {3 b26-244 Transformers, Mounted on Roofs (Appendix B)
0 Q8 R5 R1 H: d: B26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)7 R1 Z4 F6 v! E2 F0 N6 N( e
26-248 Dry-Core, Open-Ventilated Type Transformers$ y( f5 A! H" q, N$ m) d
26-250 Disconnecting Means for Transformers
! f- b) b9 ]: Z3 P' O \8 j/ C26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V6 {$ ^' Q. f: K
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers: }) ~; Q5 q, i) P( x
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
% K6 e8 d7 p! U8 ? f, r2 T26-258 Conductor Size for Transformers! {7 N) T/ L+ ]* L( \. C; I; E
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B); [& v6 f, k1 S, x
26-262 Marking of Transformers& x z9 u+ F+ B1 D3 Y
26-264 Auto-Transformers
7 E& w1 C; k4 W/ Z3 i7 ^$ lFences
4 c# k7 b3 C! k5 [$ N26-302 Clearance of Equipment - Table 33* y9 Q: D8 {( M
Panelboards6 M1 _; Y4 V" n0 q2 j
26-400 Panelboards in Dwelling Units (Appendix B)
5 ?4 A& I3 c5 b5 [6 }5 Y d26-402 Location of Panelboards (Appendix G)
* l s* m M# zLightning Arresters. \: h7 ^+ N- R, u
26-508 Connection of Lightning Arresters
- A' @3 h7 \. |. _2 {) `7 ^Storage Batteries
% P: J, T1 w# b& ~26-542 Special Terminology
: X* v, A! ?7 }26-550 Battery Installation
% J: q } v8 }- K7 I9 n8 V26-552 Wiring to Batteries
2 g! J2 u% C& L' i X4 dArc Lamps6 ] M/ k1 M, u6 M6 v
26-600 Location of Arc Lamps
+ M$ V$ [9 x+ u! y+ g g& e \( H26-602 Conductors to Arc Lamps
* M/ b- q- Z. J! E26-608 Globes and Spark Arresters
7 n+ x. y6 L% D; qReceptacles
1 P$ v' i: ^; H8 ]26-700 General (Appendix B)9 g5 _/ u$ M8 S
26-702 Receptacles Exposed to the Weather+ Y2 Y X G5 L8 S/ P$ f; Y
Receptacles in Residential Occupancies
% s* x, N( g, z' l26-710 General (Appendices B and G)& r2 s: @9 q$ s: w5 k4 @+ |
26-712 Receptacles in Dwelling Units (Appendices B and G)
% K1 S- {# h5 d2 Q26-714 Receptacles in Single Dwellings (Appendices B and G)8 ^* s/ r0 T3 M5 t- b( {
Branch Circuits in Residential Occupancies5 _8 l$ j! W5 l7 C; [
26-720 General) F, P" X* f F6 `" o! n; ^0 K
26-722 Branch Circuits in Dwelling Units& E1 V! w1 i6 s n1 u, F
26-724 Branch Circuits in Single Dwellings/ H' v2 F( G5 e" r: J' J5 w8 W O
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)3 S- ~+ T$ ^! p, A; {
N 26-720 (F)6 x3 G7 I$ K( F# H
Electric Heating and Cooking Appliances5 J5 j5 ^6 Y. S
26-744 Supply connections for Appliances$ C4 u9 L3 b" u$ R' h
26-750 Installation of Storage-Tank Water Heaters/ H$ y' ~$ J2 W2 T G! R
26-752 Infrared Drying Lamps
$ t# M$ }' J' s( E0 k) M5 U( T1 q
Section 28 Motors and Generators
% Y; A% k z" d+ z' OGeneral
; u+ R/ c( e5 G28-010 Special Terminology H! d; H$ ^9 m9 A9 m) L: d% V) }
Hermetic refrigerant motor compressor
) v+ f! ], J; v: ]( ~- H2 [! r& tLocked rotor current rating. [; E+ ^4 I- B4 c o0 [
Service Factor
/ n8 ]7 c2 U' V- U) fTable 44; Table 45; Table-D2$ x) S, v; E) I+ ~/ Z* s
Wiring Methods and Conductors( h6 T6 n4 P6 v( |
28-102 Portable Motors
9 `9 x+ x- M, s28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity& w1 W+ {6 g$ S/ n
28-106 Conductors, Individual Motors
+ P; K; d% R2 @0 P o28-108 Conductors, Two or More Motors
/ Y& U8 ^ c `8 g28-110 Feeder Conductors. n' {( H+ E, h9 i
28-112 Secondary Conductors$ I( R3 [% x( H6 v
Overcurrent Protection
7 r* ^% N2 W* ~# ?28-200 Branch Circuit Overcurrent Protection
4 w+ m8 O1 I5 n" F28-204 Feeder Overcurrent Protection
" s+ a+ K7 w' x, p* A) v28-206 Grouping of Motors on a Single Branch Circuit/ ]3 [3 S1 M# {% ]4 f
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)3 r" U0 y$ |3 h( j* B9 O
Overload and Overheating Protection! r k8 | v6 o4 J) p* `6 y8 E
28-302 Types of Overload Protection, c' n; D6 o. Y- u7 p0 Q* h! w
28-304 Number and Location of Overload Devices (Appendix B) Table 25# ]; @4 a- Z$ Q/ F, L* }' \+ R
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
9 l; f/ v. q$ x; m% ]# ?28-308 Overload Protection Not Required
5 Q8 p0 _* t, ^, WUndervoltage Protection
; {: i9 y5 I# d c- u0 }28-400 Undervoltage Protection Required for Motors (Appendix B)
4 |2 J4 v# `, J4 G5 s' B' a* U. QControl
2 W! v! u0 m$ C& n28-500 Control Required3 n3 |1 u. \, m: Y$ v9 T7 E7 \9 J
28-502 Control Location; d9 T7 [. Y$ A$ s: @
28-504 Starters Having Different Starting and Running Position5 ^* N( \) r, t I% l0 ^4 \
28-506 Grounded Control Circuit
" m/ L- H2 T& ^$ Z# F. b8 S3 p1 `Disconnecting Means" W V- b5 {3 Q# F2 Q# }
28-600 Disconnecting Means Required. Q5 n- O. \0 y5 Y& s& b
28-602 Types and Ratings of disconnecting Means (Appendix B)& v- i+ p! `: @8 h( Y( \
28-604 Location of Disconnecting Means
: M8 r# T1 O# x' Y, T" a Hermetic Refrigerant Motor-Compressors5 Z" |/ f" z: q
28-706 Conductor Ampacity7 [% O7 a. m5 ]( L9 x4 x: c( r
28-708 Overcurrent Protection
- b# `! b$ N( E6 u28-714 Disconnecting Means# _9 P, A# e& O1 L
Protection and Control of Generators
/ B2 M. L9 S- L5 B28-900 Disconnecting Means Required for Generators
& Q) }4 Y4 D" o. M6 A# I28-902 Protection of Constant-Voltage Generators8 ?; d: {- {3 a' n; c
28-904 Generator Not Driven by Electricity
2 G/ Y0 v3 c' m* L0 ?$ K' M9 h, }28-906 Balancer sets
) I* \; Q: Z6 l s; Z% _% q28-908 Three-Wire Direct-Current Generators5 L, A' T. B# e# i3 K' C
% F# _) [2 y( uSection 30 Installation of Lighting Equipment
* [ ~+ L2 N# T7 N; R$ U8 y30-002 Special Terminology (Appendix B)
8 I1 n* T5 u% ~0 T" ]General
! x) Y* D+ ^+ G; Q" S5 a; h30-102 Voltage) W V% g) h) w+ H6 h7 @6 O! ]- {" c
30-104 Protection (Appendix B)
, J# [/ W6 d1 t$ l* }: B9 o30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
; l5 f: u8 d! i$ U30-108 Polarization of Luminaires ?2 t5 J$ N7 `
30-110 Bonding of Lighting Equipment
6 m; c! y' X. ]4 R$ f; S% x1 sLocation of Lighting Equipment6 w/ m/ x! {- j' M1 w, f) d
30-200 Near or Over Combustible Material
; U3 v2 f5 ^4 d! H/ }% \) v30-202 In Show Windows
9 F! c& s- Q& H, Y. q/ W) O30-204 In Clothes Closets( r3 S* L( t5 O9 M$ `9 I
Installation of Lighting Equipment, z; P0 B; P5 i, O J, ^
30-302 Support0 f2 L. e7 I; ?
30-304 Outlet Boxes to be Covered3 S/ V8 ]( R* X* W2 ?& H
30-308 Circuit Connections
) h4 F6 D; |# R! z4 {1 y' k0 ` A& L6 y30-310 Luminaire as a Raceway* M7 R& m( H% X# D* S! k
30-314 Minimum Height of Low Luminaires' Z7 F9 t- E8 L7 p0 D" E$ T
30-316 Luminaires Exposed to Flying Objects. \) k; R% S2 o* o e
30-320 Luminaires in Damp or Wet Locations+ E, w4 X4 r4 z
N 30-3182 A' y- a S1 m( J0 H9 |( a
Wiring of Lighting Equipment
6 A! g/ C. {# t4 H& m0 V8 H30-400 Wiring of Luminaires
5 n( |1 Y7 [ n. v$ r. v% L30-402 Colour Coding
$ X- k- `) K8 U7 R- J$ u30-404 Conductor Insulation1 K, b/ J% H0 Q
30-406 Conductors on Movable Parts' k( s0 ?1 U1 v# c, ^- s: ?& f
30-408 Wiring of Ceiling Outlet Boxes; c {6 y% W+ u
30-410 Wiring of Show Window Luminaires8 o; u ~/ L' ~' k3 g
30-412 Tap Connection Conductors
: J# s3 P/ P: yLuminaires in buildings of Residential Occupancy
" `7 x' v* \# G6 w f30-500 Lighting Equipment at Entrances (Appendix G)* v) \& Z! W' N0 P
30-502 Luminaires in Dwelling Units (Appendix G)1 D W$ H! h7 a4 i1 W( K' x8 g+ N
30-504 Stairways (Appendix G)% K# n% a' B* t3 O- F2 C
30-506 Basements (Appendix G)! F s2 ]0 }+ ?3 J: q& ^" [9 E
30-508 Storage Rooms (Appendix G)
7 ?+ P$ K4 X4 f+ u! B30-510 Garages and Carports (Appendix G)- f7 O% T- t/ M! s& c1 ]; \
Lampholders
- L6 \9 C" E; {2 n* L30-600 Lampholder rating with Incandescent Lamps
+ n, O% C4 i( c- ^" ~N CANCEL
2 W6 o. m+ ]) ]30-602 Connections to Lampholders/ Y v0 h! b+ x4 s8 M
N 30-600
- c0 V& h- L- I5 h! b: W& B30-604 Switched Lampholders Used on Unidentified Circuits
# g: z4 \' c. d, h2 T5 [N 30-602$ f$ n9 `; ?8 k; _
30-606 Switched Lampholders with Pull-Type Mechanisms
" e, U$ B8 P. G( ~, bN 30-604( Y' J1 U' ?4 J2 w( L6 Q
30-610 Pendant Lampholders8 [/ \* R7 R7 ?$ G8 k
N 30-608* w2 B/ o: W: {4 h- ^/ n: ^6 S
Electric-Discharge Lighting Systems Operating at 1000V or Less
3 h7 }$ a4 J$ n" S) Z30-710 Control (Appendix B)
+ K! L/ N2 ~/ l7 k% }30-712 Branch Circuit Capacity
! D* h: h1 p7 _2 J! d( A NElectric-Discharge Lighting Systems Operating at More Than 1000V
0 \6 n% T% J6 k/ _/ L% ~30-802 Voltages, Dwelling Units
& U+ w+ C" d1 b30-804 control (Appendix B)
! d. u8 w/ T# r& l# n% b8 PRecessed Luminaires (Appendix G)
1 \* _+ u( J& }5 S2 m) [9 _3 k30-902 Spacings for Non-IC Type Luminaires
- U4 p/ @# c I; [% ? G30-910 Wiring of Recessed Luminaires (Appendix B), P) \* B9 w2 G r" z& v
Exposed Wiring for Permanent Outdoor Lighting
4 R! z. j3 E) `1 h+ [30-1120 Branch Circuit Loading and Protection0 Z o7 p a5 a2 M
Extra-Low-Voltage Lighting Systems+ e. S( t% L2 ]; I# T+ O7 q
30-1202 Sources of Supply* q8 `* Q& ?0 U2 b0 \
( Q/ a$ @# t( d ?* r
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
9 r! }5 _1 b/ y8 g7 L# j. jFire Alarm Systems
# C6 a; G$ k4 v, \" {32-100 Conductors/ V6 r, J K3 y+ Q; s3 c2 u, ~
32-102 Wiring Method3 x* m+ k( f- h2 X% m; f
32-104 Equipment Bonding& v1 ^5 N9 _8 O( G9 h- B
32-106 Electrical Supervision# p1 S8 D: r3 t, h
32-108 Current Supply
: {5 t- Z ~9 h1 v0 w32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
$ z$ _% ]( T; x: @, wFire Pumps$ @7 b* A2 s. e% L- ]; p
32-208 Overcurrent Protection (Appendix B)2 ^5 A! w& a/ j
N 32-2065 e+ J2 Z3 i2 R# f+ }
32-210 Overload and Overheating Protection (Appendix B)
Y9 E5 D: n& s1 ]' X32-212 Ground Fault Circuit Interrupter (Appendix B)3 u( `# J2 Y3 F; }
! E7 }1 ~6 [0 O/ w, n( S% wSection 36 High-Voltage Installations
2 k) P! B2 [. `. z3 O \' ZGeneral6 ~$ n3 M$ S9 ~, w6 M. b$ A
36-000 Scope (Appendix B)# z+ L1 x) Y6 o; g; l2 g
36-006 Warning Notices
% E: O4 ?, T( O6 G( Z( SWiring Methods, p/ ]* [, p& l5 n/ k/ M
36-102 Radii of Bends" m' A# E3 ~$ X! y' k
36-104 Shielding of thermoset insulated conductors
Q/ {# A+ u! L7 I6 [36-108 Spacing of Exposed Conductors (1) table 30, table 313 ? N* b4 T% c0 L; K- s( E
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
]9 g( u) @# O) C- l1 qControl and Protective Equipment
7 { ~$ U! h# U2 O! J# t) C36-214 Disconnecting Means! c; ^) m8 \7 E" o' C
Grounding and Bonding. k* b) R/ w/ P' w5 e7 m7 z& c
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections& _% t6 q e+ j9 `1 b, K
36-302 Station Ground Electrode (Appendix B)1 |6 Z% u- o2 k1 T3 h& I% |* O- {# m
36-304 Station Ground Resistance (Appendix B)( T0 G5 B' O4 L* e
36-308 Connections to the Station Ground Electrode (Appendix B)
" \8 c/ ~6 {! q& Y: ]! N6 }; i* h36-310 Gang-Operated Switch Handle Grounds
V! d% E# d+ q2 u3 ^36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
+ F2 [8 V4 L% e% h& ^9 t6 I/ I
- I1 X$ }/ F1 |: b+ LSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
( D8 n! t3 ^# I+ K1 e38-002 Special Terminology (Appendix B)
6 _- }& v' F5 s, Q Y) O- X38-003 Voltage Limitations (Appendix B) M% `4 c# T! u# Z
38-004 Live Parts Enclosed& C' @4 |8 \' g6 e
38-005 Working Clearances, V8 x4 P) d' e2 [+ u! N3 j# p! [
38-011 Insulation and Types of Conductors4 |. ^( T8 ]1 Q: w3 @+ X
38-012 Minimum Size of Conductors
: g; o, _0 l6 [" v" V; a' G2 D$ P) ^, m, [& T! A% z
Section 40 Electric Cranes and Hoists
P* _) w; I" q; }9 o' @ q40-008 Disconnecting Means
- o4 r% ~8 s6 t40-010 Main Contact Conductors
- U9 \4 e6 e4 O7 N7 m
2 H3 M2 t0 A1 q6 C2 f% r# SSection 42 Electric Welders3 a" a0 ~$ Q( u% t6 ~8 S
Transformer Arc Welders
8 i8 t$ Y1 p& L7 f1 _42-006 Supply Conductors" t$ M& X6 t6 U9 R! S5 k0 o* S
7 h+ {! G4 ^# ~' _ B! XSection 44: Theatre Installations
* l& C' ~- u1 H. Z2 o6 b O aGeneral
3 V# ~0 g. {! r1 m, k! b3 h# b44-104 Number of Conductors in Raceways
! u, j. O0 @) D( g) `2 @5 o44-106 Aisle Lights in Moving Picture Theatres
: S/ u: }- L0 T E2 Q. p b/ H' kFixed Stage Switchboards
% ^' u1 c1 _1 c1 @44-210 Overcurrent Protection- @1 P$ g8 L5 L0 T$ J5 J1 I
Fixed Stage Equipment
: t/ C) K# o5 P% E& j44-324 Receptacles in Gallery Pockets
; U' T1 T4 v$ E4 i44-326 Receptacles and Plugs
& n" t7 m6 L! k( \, N7 E
2 N- G# F- K& l8 ?( YSection 46 Emergency Systems, Unit Equipment, and Exit Signs
" \9 ]8 ^) y$ X5 P( f& KGeneral
1 {. m: u0 s; M0 a' @3 M9 o, [ k46-102 Instructions
3 D6 }1 p4 ^( q. Z( g46-108 Method of Wiring (Appendices B and G)
- W9 i. }' ^) ^3 `- _Emergency Systems+ U9 }, I. ~. a4 p5 O9 y/ j. w# m
46-202 Supply (Appendix G)
! h7 E# c' G) f: R4 i& a4 {8 o46-204 Control
5 i }$ i/ {, K2 {, r: w% E46-206 Overcurrent Protection
" K3 i8 }& W; t9 s1 U46-210 Remote Lamps' C# }# \3 j" Z- X8 W
Unit Equipment
! h- t+ h( A3 ?+ r4 v. ~46-304 Supply Connections
8 A M# f$ Z, }8 l3 V' K46-306 Remote Lamps (Appendix B)/ S- G. }2 o, {: F" d
Exit Signs5 B2 b, R2 Q* q$ n5 {, b- Q
46-400 Exit Signs (Appendix B and G)
& s' G4 I' t7 b6 X# H
7 d, X& \# d, y( G- X/ dSection 54 Community Antenna Distribution and Radio and Television Installations0 o2 X8 A# ^6 p+ x/ Z
54-000 Scope
8 \' ~& h3 f9 D54-004 Community Antenna Distribution (Appendix B)' f! }( I" {3 K. V
Community Antenna distribution
- R/ N" u' M. Y+ t+ E54-100 Conductors
4 r9 M# q7 y5 a, Q5 a6 ^/ W6 C1 }- J, h54-102 Voltage and Current Limitations (Appendix B)' q: ?6 t/ c+ ~% [* L
Protection0 p% {: x/ u I! u
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
( {$ m5 [4 _& Z: e: o1 U7 p0 N3 YGrounding
" X3 z8 I1 s5 p54-300 Grounding Conductor
7 {5 x1 |) P0 |, j4 yConductors Within Buildings! |) \. M# s9 F6 G% g$ j+ t& w
54-400 Separation from Other Conductors
3 q" K4 W& _/ v' N7 e1 N* }Equipment
7 m" [& U- W# B3 g% k$ n, L54-500 Community Antenna Distribution Amplifiers and Other Power Sources
3 U: u* l/ M6 O9 X/ w$ p54-502 Exposed Equipment and Terminations9 L$ h, G) L( } k' ]2 I
6 F3 @. v! I; O4 G
Section 56 Optical Fiber Cables5 B' `; N- S% C% A/ |( z' y
General
6 m' N0 j9 v7 H$ {56-100 Special Terminology. e: m3 b% A X( w& y
56-102 Types
~% U/ x7 ^# t) Y5 f: EInstallation Methods
' S( t: e+ ?+ V! v8 U, X( A56-200 Nonconductive Optical Fiber Cables (Appendix B)
& T, E* d- e- F; o56-202 Conductive Optical Fiber Cables (Appendix B)
2 O& H: I/ H8 Z9 x/ Z% g56-204 Hybrid Cables) I+ K% P% @* x) Z+ k2 X, d
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
6 u4 c. g5 E ~' g& G
4 W, ~0 x0 v, {$ Y% b6 A* ESection 60 Electrical Communication Systems
' B: b8 r- k8 u) P1 IGeneral
9 w- M/ H; g; s5 v, }" o60-100 Special Terminology2 J0 x0 _/ ]* b' n
Protection$ `/ `2 C! R+ q% j
60-202 Primary Protector Requirements$ D) d5 Q0 H( B% O; j3 v
Inside Conductors# W1 j% z2 C. W# I
60-308 Separation from Other Conductors
0 S6 q6 U6 v" DEquipment* F# u) c3 ^# h. B
60-404 Exposed Equipment and Terminations
: K0 b+ v! L6 X4 F3 r! }0 O* p/ @Underground Circuits
. y9 Z4 w8 N9 r60-600 Direct Buried Systems
& ^$ [, Z" Z8 [9 r0 U0 F* i+ j" r0 d2 X$ c" \ R
Section 62 Fixed Electric Space and Surface Heating Systems+ D, n3 A2 d6 S2 q' |$ N' O
General4 j U) G& m {" s) u" u3 m
62-102 Special Terminology/ R: i" o0 W, H' b
62-108 Branch Circuits
4 R" G1 \2 B3 A. h$ F' _62-110 Installation of Fixtures" i3 N1 i4 I; k+ s9 H- R
62-114 Overcurrent Protection and Grouping (Appendix B) (5)6 A* t8 H2 a0 }. w1 b) }. P6 W
62-116 Demand Factors for Service Conductors and Feeders (2)+ A% w7 l5 z* G# t! X# {
62-118 Temperature Control Devices
0 \! O# v' a+ e3 j- j4 d8 ]& Z1 k62-122 Installation of Series Heating Cable Sets (4)(7)4 o6 P+ f" u* O; \
Electric Space Heating Systems5 e3 T% @: n' n2 `* G1 H6 [
62-202 Temperature Control
! l1 [; O+ U; O62-206 Proximity of Other Wiring (Appendix B)
# D! N; @0 T- C6 ?7 ~" K( u. H62-214 Installation of Heating Panels and Heating Panel Sets
% U+ G; e5 t3 e2 W9 M' S62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
1 N" k& G" t7 y62-226 Installation of Under-Floor Covering Heating Panel Sets6 l" \9 {8 @7 j
Electric Surface Heating Systems
6 k' Y h8 }# g4 `62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
4 ?! `# U- V5 {) E2 m- m3 I* S: h0 Y1 m- K% |( U' L6 m' |
Section 68 Pools, Tubs, and Spas, V; ?4 H1 G( ]
General; X4 S0 E0 {. e; R
68-050 Special Terminology4 r, ~6 @, f2 v
68-056 Underground Wiring - Table 61
$ `+ F5 K5 m+ n4 E k$ M, @68-058 Bonding to Ground (Appendix B)
+ X4 k. c$ ]4 O b! w68-060 Junction and Deck Boxes (Appendix B)& l5 j. k: X! p/ s$ \* V9 u K( D1 @
68-064 Receptacles
! y4 ` s% L/ @! _1 n8 v2 |68-066 Luminaires and Lighting Equipment6 P5 y& u- s( l+ E# x+ y+ S7 g2 L+ d
68-068 Ground Fault Circuit Interrupters (Appendix B)0 [, R: W% b! y/ y
- J% D$ w2 ^, t' T2 D
Section 70 — Electrical requirements for factory-built relocatable structures and & ]4 K. T4 V, ?9 R' A- ?
non-relocatable structures t; e- t f# D( A
70-130 Tests (see Appendix B)* w$ b% k1 \7 r% b& J6 u) I4 {
: ?4 |# Q- L# \' i( @Section 76 Temporary Wiring (Appendix G): a5 Z% }) _8 t; O/ K
76-004 Grounding
s! y6 t) F6 ]8 W7 T+ K% @76-008 Service Entrance Equipment/ O. h' u5 v+ h6 d# f3 g& Y' n3 ^6 U
N 76-0065 v# Q& Q9 W" O1 _$ \' V, |
76-014 Branch Circuits: X# e* T P) \8 X4 k
N 76-0128 y( o* n9 r* g( B( [
4 E) g" ~# Z1 M3 e, y pSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
& R) _ `' v2 F) d6 t0 X9 B" YMarinas and Yacht Clubs8 E8 A5 f" E" V% |% d, b9 A" M
78-052 Receptacles1 K7 O- a h& z7 }8 \/ B; t6 o8 S
78-056 Feeders and Services
7 x) y" V2 _ [/ Y4 ~Marine Wharves, Structures, and Fishing Harbours$ p- w" w& s! d
78-106 Grounding and Bonding
" F! m8 u \" B+ [0 J* UTables( h5 k0 _0 [5 ~% ~$ j9 O7 r
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
7 J7 Z) z- Z4 e# K! Z" w5 t4 g' g/ Z9 L L8 b, z
Diagrams: 1, 2, 7 w! B- u- S5 T/ T% g6 D8 j% U- N; E- R
# _- {8 b5 Z7 {! I- DAppendix B! f& b! d0 }9 `
P352: Ground fault circuit interrupter- 6mA
3 U8 e9 |0 _, ~& `" n& t% K' _P354: 2-126 FT1, FT4
& E# ]) H+ _' @- l W- cP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)% T U# ?4 a X
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
" F" h/ v3 P$ P8 C; [4 ~5 z, tP370: 12-1012, 1118, 1214 Example:
1 B8 z+ K1 a( v O! g/ {$ v8 kP371: 12-1108
) E, W: [+ d) E1 z/ D' I5 gP381: 18-108(1)(b), 18-158(1)(b)
2 b x9 ]1 H8 Y2 g+ s9 T2 v$ ~" ZP386: 24-206
" W9 B. P, M" w, z1 P9 tP389: 26-256
2 l' r% k" Z, t. w" Y" XP391-P393: Section 28, Example to determine Motor Conductors and Protection6 n0 c/ U: B5 g: V- Z5 x
4 \6 n2 |1 k; ]0 P9 L6 ]7 b
Appendix D; i% O9 s4 K8 L* P8 H- q, D R
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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