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Canadian Electrical Code Review Guide
% a$ ~$ i$ l* ]. N( V: s' GFor the Exam of Electrician For Red Seal License
$ ?7 \$ R6 W1 Z2 L: ^
- A. L. E# u; O' m6 p( yLesson One1 p7 G+ @! f7 C" ]. d
Section 0 DEFINITIONS3 F0 z: a8 C# r& u4 B4 A, {2 E
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
S/ Z, X8 i0 [# x4 J4 q. TAccessible as applied to wiring methods
: Q; t3 }0 \/ r4 h6 V' I bAlive or live
0 o3 X7 D7 m$ f+ P$ Y" TAluminum-sheathed cable4 o/ h' k. R, M% l, g
Ampacity
( V' v1 n4 i4 I2 o; g3 \7 u, eAuthorized person
. H$ `. F6 i. h5 z1 @% OAuxiliary gutter7 }. g! T5 ~% [( f
AWG, o% d& K* t$ h9 h
Bonding
' P k7 [, A% y, D/ BCable tray
`, V# y1 J6 ~5 D0 A: e4 O RCellular floor. u* `0 B' Z2 ^
Branch circuit- P& v g* a, L3 z
Bus) S# \ T8 R# k1 @+ g' n
Busway; b+ W0 G2 e# a3 P' h' _
Communication circuit
% x" b4 r2 q5 h7 g! sExtra-low-voltage power circuit, i8 d6 T7 W3 h3 F4 r g% t$ v
Low-energy power circuit
- S8 y- z7 n2 d" A# R1 ^! hMulti-wire branch circuit/ h% E$ E6 I3 Q) V4 P
Remote control circuit: A' n- Q! Q. H0 T4 W
Signal circuit/ f) y1 K' l, ^; |& q+ G- O
Circuit breaker3 e7 S- M- ^7 t8 ~8 _0 }8 i
Instantaneous-trip circuit breaker
9 e/ ^+ \: \5 M' R" w/ G4 O% W, y6 BConductor
5 [" h8 o4 `9 PConduit
0 V. {0 n! I6 r+ P1 q' F Flexible metal conduit$ h1 `" ~* [8 M. v9 ]
Liquid-tight flexible conduit
, N3 D$ @; p3 P( v3 a- a Rigid conduit, o7 Y5 B( J0 y1 W" h
Rigid metal conduit# d- U" D8 w0 }# ~! X7 k) j7 x" @
Rigid nonmetallic conduit
7 p/ Y0 ~5 N& Y1 N1 m; Y Rigid PVC conduit2 L, ?9 y& ^" g
Connector2 N2 f0 B! L T- g1 e5 A
Box connector" n. e& P( [0 I! }4 h3 Y: g" J
Wire connector
% T; c8 H% G' ]: z6 [2 rController0 j) b8 D: v+ F# y6 A0 P% z
Disconnecting means% M4 P* z5 z6 m, P8 I8 B
Dust-tight: y" N x# _. W! m- g6 z
Dwelling unit
( [! [7 i% W6 ]( c WElectrical contractor
$ `; D1 a( O& I) T7 V, N, W/ D" oElectrical metallic tubing1 R+ h# a4 t. {5 [* B
Electrical nonmetallic tubing
0 x( U( c/ B3 h, R6 t! {, ]' f) MEmergency lighting
) S1 t4 d3 L% a) P7 ?1 i! OExplosion-proof
+ c( p. I; [6 O1 yExtra-low-voltage power circuit
' g, b# ~+ i" ]& pFeeder
' {4 }" x M. g8 q4 L% p; MFlexible metal conduit) t% {3 {5 U9 _% G
Ground' k) R' i6 X7 j% |' S
Ground fault circuit interrupter8 {! u( X: U3 N5 j, _# i
Grounded
# |8 T* X5 q: B) \Grounding
: R6 |$ ?6 \, v9 O% `Grounding conductor% K$ E9 {7 |0 Y
Grounding electrode0 L, k4 W, U8 q" z5 U( s' A
Guarded
' s+ N7 F( z/ R" p9 Y" x7 i" gHoistway
! A. ?5 m2 I j9 L$ R& m/ _Identified/ O2 i9 K0 U3 n- }8 r
Lampholder. _! C; U4 V% O. ^
Low-voltage protection1 _- U8 y6 F0 j; J
Low-voltage release) G" D' [+ r! P0 O$ X
Neutral
" g+ A# ?) U# m& a, {* f# o8 ZNoncombustible construction1 u8 O) R2 ~4 i% f
Outlet
* @3 s3 [) x* j& L! ?Outline lighting( O* ^* R; I6 I/ A* q
Over current device% I& `* c2 y" e5 T* c. q/ D" p
Overload device
3 K8 L7 \3 h0 z$ XPanel board* ~( _% W( y2 P1 S. E+ j
Panelboard, enclosed4 [9 |1 S0 m; S% f& t1 ]
Permanently connected equipment
3 L' | t$ a+ f: |( SPermit* x3 j" E& V% _* |
Plenum
5 a' t! Z) Q. LPortable as applied to electrical equipment# C9 W( X e% u3 M" q
Portable ground fault circuit interrupter
$ b4 p6 @9 A, \Power supply cord
. t; x9 }2 ]# bRaceway3 y( Z3 o+ S/ s l
Receptacle, V* @1 w6 y0 l
Duplex receptacle
; G- m$ d! N& _( {5 h Single receptacle0 K) _& ^* W" U5 X( i7 y) y
Split receptacle/ A t& r% C. v: b
Service, consumer‘s7 F4 N% T: h* i# b8 W. ] M9 S
Service, supply
& y U. ^/ j$ I/ L$ d6 AService box, p0 H; z0 D8 K: Z
Service room+ H7 V2 N$ f$ V0 T& ]) g/ i V
Single-dwelling
) }: O4 x4 a5 r5 J g) i* pSlow-burning as applied to conductor insulation6 y$ J3 b# Z6 c: Q
Splitter. d: r! ]% }- h3 J3 H* }5 D+ D" u
Starter7 J& G9 K9 J& \9 ]8 Y) ]
Switch+ J8 H( `+ c4 m/ o/ o* H) D3 \) t
General-use switch, Q' f d8 U% x ^- X! f
Indicating switch
" g9 H* ~0 X7 v1 D% Z2 w' ] N Isolating switch
) V3 L5 ]1 x( h( w* g) i; y6 b Motor-circuit switch* J- Y* ?: }4 q$ z
System
6 z; l0 e5 M: A2 p# @4 w' e0 ` Communication system
3 H* Z- w4 A {$ y9 F% v Community antenna distribution system(CATV)
, `1 Y: }$ X! ^6 K' A Grounding system
" L8 T' C- C: I! W; A) d0 d% V3 {" ]Underfloor raceway* V0 y& [7 O7 a" m: c5 n( @
Voltage:3 |, y* w! ?0 y
Extra-low voltage# H3 t; J4 \6 J: |% D. g/ l
High voltage
' P) b4 M% C2 h Low voltage1 V' k" _: j. i! ~. G+ y
Voltage of a circuit
" s0 x- B# e5 X& U% K% uVoltage-to-ground
) i3 U8 ]" i1 y! l2 `Wireway
' n* A5 a9 u& c I4 C H2 w
- C) o" ^: q) q) ?7 LSection 2 GENERAL RULES9 J* _ x. [* n9 K4 L6 o$ d
Administrative- v- A2 {4 \* r* g
2-018 Reconnection9 A0 H' ~4 g# N/ [2 h9 Q
2-030 Deviation or Postponement
6 R0 {0 b, J0 pTechnical General6 _2 V$ q6 a: s; ^3 d$ ^
2-106 Circuit Voltage-to-Ground – Dwelling units
0 p0 G9 e( G0 R* h+ F2 g3 J1 P2-114 Soldering Fluxes' }8 s! l4 I1 o4 w
2-116 AWG Sizes of conductors
. M. ?( Z) V1 L: n" d; G$ z9 |2-124 Fire spread (see Appendices B and G)
( M( ~, C l, C5 Z+ Q2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
9 h+ Y: t' I0 Z0 aProtection of Persons and Property1 \2 s) \" ]/ C8 u1 n4 N
2-202 Guarding of Bare Live Parts, }, t+ g% B' } s$ `& _
Maintenance and Operation M- k" b) n8 ^: e [
2-304 Disconnection' r& U! _" {, P- W0 M& ?5 a
2-306 Maintenance of Live Equipment' N. N- X# w% E5 Z
N 2-306 Shock and flash protection (see Appendix B)* `) a. ]! Z- m5 e* r
2-308 Working Space About Electrical Equipment: Table-56, Q# R1 i( ~! r2 e: m; G. Z; d
2-310 Entrance to, and Exit from, Working Space
# S8 B' X7 _/ ~4 H" ]8 t2-320 Drainage
( W" B- D9 b u; i* D$ R) U2-322 Electrical Equipment near combustible Gas Meters and other Devices
. `2 V' x+ o* ]3 eEnclosures
7 {# Q) `0 H0 F n& n2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
: \& {; ] R/ D4 w+ O2-404 Marking of Motors: DP, WP, TE
# x1 @) U. t ?+ |. S5 d, s
6 X3 p8 |% l7 M& e. q6 r1 nSection 4 Conductors) l. U. F1 @% ^7 s4 h5 Q
4-000 Scope
( p: |4 N! C3 l4 y; D8 L3 V4-002 Size of Conductors: 14#, 12#, a# }! D! ?& Z$ I* F. e. n
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36* b7 _- R5 B* e" a" s
4-006 Insulated Conductors: Table 19! [4 Q2 W* F8 I( F
4-010 Uses of Flexible Cord: Table 116 Z0 Z$ [ X* o5 }' E' }& t
4-012 Sizes of Flexible Cord
" o4 a4 K* {% F" \5 c: L' E g, }4 s4-014 Ampacity of Flexible Cords: Table 12* M" o3 D0 ?/ t( C" l% c4 I
4-018 Equipment Wire; X% I; V3 _1 {/ q' V) ~
4-020 Insulation of Neutral Conductors* T- r( O4 {1 Y: V. `
4-022 Size of Neutral conductor, M* l5 y; G( n' F+ g
4-024 Common Neutral Conductor
; c. w; T$ x d2 A4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
/ U6 m2 F3 O" G/ D4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum" N, _- R E/ i* o3 R* x# d. ^9 i+ ~
4-032 Identification of Type MI Neutral Conductors
5 B2 \& X7 T+ p& O4-034 Use of Identified Conductors
6 @+ |4 i" p! `% V u4-036 Colour of Conductors: Phase A, B, C, …7 S j; a4 B7 ?
1 P" `( Q( m+ x! j' O! }& FSection 6 Services and Service Equipment; S% P9 y1 }$ f: v! m
General
3 A# D L8 N+ Y$ }1 D0 a6-102 Number of Supply Services Permitted8 Y5 x9 g+ }: f7 K
6-104 Number of Consumer’s Services Permitted in or on a Building
8 g: b% i5 m5 l1 ]1 l$ @ Q S$ E1 ^6-108 Supply Service from an Electric Railway System* q; }- j2 Q5 D: a
6-110 Three-wire Consumer’s Services
" ]* F9 U1 k4 Q# I$ v9 ~, c3 U6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
, R8 x) y7 ^7 m2 W- w, c- H6-114 Methods of terminating conductors at consumer’s service
) `/ e6 j" H$ \! r2 S6-116 Consumer’s Service Head Location
) j2 A/ J6 o1 V/ g) OControl and Protective Equipment8 H8 y9 {4 b! n% N
6-200 Service Equipment" `: E4 _5 _' [7 I
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
! h+ H" j( l( m; y4 r7 t6-208 Consumer’s Service Conductors Location
( z9 p2 \. f i3 P6 \ ]* O6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches& X4 f2 k6 ]0 J; e/ Y' n
6-212 Wiring Space in Enclosures3 m6 S! y: y' w1 y0 x% o
6-214 Marking of Service Boxes; O$ z; y5 @$ }, S
Wiring Methods
* ~2 _4 E& m, A& Y6-300 Underground Consumer’s Services
% o& Z; p8 X, D; `6-302 Overhead Consumer’s Service Conductors
4 R# {2 v ?+ _2 s6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
6 i4 C5 u) [1 f& k4 w% T6-306 Consumer’s Service Raceways
- d& k+ y; O9 x7 {. L6-308 Use of Bare Neutral in Consumer’s Service" g5 f/ q+ G C9 n* ~
6-310 Use of Joints in Consumer’s Service Neutral Conductors
# D. f1 |# V- I4 w' v \6-312 Condensation in Consumer’s Service Raceway
4 d6 c" \% X+ e4 eMetering Equipment
6 R7 j- j* C( R6 u% Z- ]& \6-400 Metering Equipment
/ X! c" I) q, q, [5 z% A6-402 Method of Installing Meter Loops
! R: W9 T! J( h6 n; r6-404 Enclosures for Instrument Transformers: j; w$ U, q* |! z a) B. M
6-408 Location of Meters: `2 _& F# E% e/ ]- L. p; |6 J
- o3 A. |3 h7 I- u- fSection 8 Circuit Loading and Demand Factors- j Z* I2 M: l
General* ]. ]" ]5 L/ _/ D" T0 [
8-100 Current Calculations j; A* S% X( B& K4 V$ y) g
8-102 Voltage Drop ( see Appendix D)
9 W4 `" l- d& p) G* E5 v0 t! F- E) p8-104 Maximum Circuit Loading8 B2 Y$ b; `7 e, E( b) P* A
8-108 Number of Branch Circuit Positions
( o# ?* s) k( G) U2 s' _8-110 Determination of Areas
' R# e! j6 h$ o* B) X- i6 U5 V* WServices and Feeders: Z+ l4 R3 M/ m+ {# u6 m$ O
8-200 Single Dwellings (see Appendix B)
9 L! {1 P1 ]' v! I9 S8-202 Apartment and Similar Buildings
* Y7 p& ~0 Y" V# ]* l `8-204 Schools3 D9 l0 H* j( T
8-206 Hospitals
( j, U2 z2 |/ n8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
, R B+ z- Q& r" {0 G/ e8-210 Other Types of Occupancy (Table 14)
2 c2 R {* P; \! B1 b8-212 Special Lighting Circuits4 m- }8 ?# w$ ~# w2 u. o' h+ Q
Branch Circuits" o/ h9 n" W1 o3 w2 N
8-300 Branch Circuits Supplying Electric Ranges- B, Y' `" n% X8 A
8-302 Connected Loads2 Z: G5 R9 o( n0 G4 \0 a; g- T; u
$ G; [6 |. C+ W! c1 s! ~2 l
Section 10 Grounding and Bonding& L" n/ P* `8 ?- o6 {- u' B% t
Scope and Object$ W6 Q8 e5 Q, z$ O% n, M
10-002 Object
4 }( q) X# L4 N* `, S [+ wSystem and Circuit Grounding% w& Y* e1 f' Z9 f
10-102 Two-Wire Direct-Current Systems2 ~* K0 ]* N6 W5 \
10-104 Three-Wire Direct-Current Systems7 }6 Y+ a5 }/ [% ?+ \
10-106 Alternating-Current Systems
6 \0 {0 a" E8 w( i10-110 Electric Crane Circuits
0 ^& U5 Z- m1 I/ I10-114 Circuits of Less Than 50 V) i( i8 h9 |+ X3 x
10-116 Instrument Transformer Circuits
3 y( n" [, C, Q$ z$ vGrounding Connections for Systems and Circuits
+ N. _0 ?& z3 u# B10-200 Current Over Grounding and Bonding Conductors
2 e; w% t$ @/ v. A h% K10-204 Grounding Connections for Alternating-Current Systems
0 Q2 c% q- m5 Q5 j10-206 Grounding Connections for Isolated Systems
W8 z$ @% i( d1 U& P10-210 Conductor to be Grounded
8 i6 _& E0 z/ }% MConductor Enclosure Bonding J `5 }, Q3 T2 y; w7 R
10-302 Other Conductor Enclosures
! k6 H6 y! U% C; {. oN 10-304
9 e- n6 h, K! m1 R3 O0 I6 _' g8 |, sEquipment Bonding' }% v* X4 R1 J! l' O+ e
10-400 Fixed Equipment, General& }6 D. R. {6 {: f2 M7 K' O% R. ^
10-402 Fixed Equipment, Specific (3), (4)4 s$ v# S H3 [6 u4 Q9 E) N
10-404 In Nonmetallic Wiring Systems
_, |, D* W$ K+ K6 M6 `10-406 Non-electrical Equipment3 I8 S8 W7 p: B0 ]
10-408 Portable Equipment (4)(b)
6 H* r0 E, \7 d; i0 o10-410 Instrument Transformer Cases
B2 D) L) o# W- T* z8 b10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less' T& F9 e; R$ W. Z+ w
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V, H3 O$ { l: b# p' F6 k/ a
Methods of Grounding, _" K: F* j/ B' Z
10-500 Effective grounding (see Appendix B)
e# i' o- w# p) y3 L, E1 y, U10-502 Common grounding conductors
5 @% _6 b2 l( ~ U6 P, E t10-504 Common grounding electrodes6 [& ~& q; C% h q7 F# v* c3 x
Bonding Methods5 x) q! J, c8 L
10-600 Clean Surfaces
" f% K! ?1 v0 A3 d/ D" @10-604 Bonding at Service Equipment' s3 i4 U4 w0 \- u |
10-606 Means of Assuring Continuity at Service Equipment
+ y1 p& _8 m% U10-610 Bonding at Other Than Service Equipment
1 H+ \6 B0 m4 H( |10-612 Loosely Jointed Metal Raceways
& v& r1 Q- i& K! z3 q10-614 Bonding Jumpers Table 41& T# c& U! e' P8 Z i% T% i6 @: ` N2 S
Grounding Electrodes
; P f* A; o- n, l; O W+ N10-700 Grounding Electrodes
% w, g9 y5 j# `10-702 Artificial Grounding Electrodes1 k g, U) a+ b! h* K J, A9 _
N 10-700 & 10-702
7 T! ?* X6 ~4 L10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
/ H5 _8 m& @, z0 |0 RN 10-702
( q2 T, J* R4 |, }! a# w! z10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
* G% R" Q' Y9 R6 X# a- M, nN 10-702
$ h2 W: I$ y, H8 j; s10-710 Use of Lightning Rods (Appendices B and G)( E$ H! a0 b# e7 j% {
N 10-706
% C( r [& q1 S: a$ }Grounding and Bonding Conductors" l! O! M3 n# P5 L" o6 H& K
10-800 Continuity of Grounding and Bonding Conductors
6 I, B* N- g% i1 S10-802 Material for System Grounding Conductors* S( D8 O% E) R
10-804 Material for Bonding Conductors
) l$ P8 e. i8 p# O' E10-806 Installation of System Grounding Conductors
j& Q" e4 b/ }2 Q; t$ x10-808 Installation of Equipment Bonding Conductors
3 Q+ q( p* R' t+ l" V1 _7 w8 K10-810 Grounding Conductor Size for DC Circuits
- t8 c. v( \. q# j10-812 Grounding Conductor Size for AC Systems (see Appendix B)- Y* l# z/ J* U
10-814 Bonding Conductor Size (Appendix B)
& w, ~+ b' ]( d I10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment3 w8 x4 ]! \( q: F* b
10-818 Bonding Conductor for Outline Lighting
, u% m& l6 @ [4 l: ^7 f10-820 Bonding Conductor Size for Instrument Transformers
% v( K# M3 p3 f3 ?/ D# }& p; R; i/ NGrounding and Bonding Conductor Connections
% U) @6 C4 L' q( A1 M$ f; o10-902 Grounding Conduct Connection to Water Pipe Electrodes2 W9 |# e# }4 V" o
10-906 Bonding conductor connection to circuits and equipment
* O# i, I0 ?! X8 y- O; L( U10-908 Grounding Conductor Connection to Electrodes
, d4 ]0 n5 K; Y0 q0 O% oLightning Arresters1 h ]. e2 x) \4 C5 o- S& T' S
10-1000 Lightning Arresters on Secondary Services – 750V or Less* c, C" ~0 @# q# t1 K* X
% p) {; Z2 {2 z8 ~2 B* U ^7 x+ ]
Section 12 – Wiring Methods
9 H& y3 r$ F3 ^' M8 h; oScope: L" Z+ b3 r& Z' _$ l8 M
12-000 Scope (Appendix B)% `8 A' v: d" ^$ |: b
General Requirement3 {8 A$ ?7 o E9 W2 ]
12-010 Wiring in Ducts and Plenum Chambers2 r& O& b& o6 y4 u" Q" p3 d4 i
12-012 Underground Installations (Appendix B)
7 `/ D W4 t1 k% \$ L: m: \$ `12-016 Lightning Rod Conductors& j2 v1 N6 t- T' k. f" a
Conductors - General
! v% t2 u5 ]4 d3 P, Q5 q& |% h12-100 Types of Conductors (Appendix B) Table 19
; h9 d: \) B. s" k. s" R12-102 Thermoplastic-Insulated Conductors6 O1 f& ]& S- v2 J5 L+ c
12-104 Flame Tested Coverings+ M: S& m! a' r3 j
12-106 Multi- and Single- Conductor Cables9 i( u# o" W+ h: r; J$ V l
12-108 Conductors in Parallel (Appendix B)
- c9 L& y% O6 R g3 ^0 F7 s12-112 Conductor Joints and Splices
/ m. u) N5 l2 t12-114 Ends of insulated conductors
0 g" [! J5 ~* Q1 p12-116 Termination of Conductors (Appendix B)1 B. ?/ w2 |* X2 k* {1 q% d" t
12-118 Termination and Splicing of Aluminum Conductors
. { d' f6 _$ Q4 m12-120 Supporting of Conductors - Table 21& e5 Z5 {! B* C; w- _, v
Open Wiring
4 M8 y: [+ u. X: [6 C% {12-204 Spacing of Conductors
. ~# \7 q+ r9 n; F6 |6 ?3 ?3 u12-206 Conductor Supports% S+ S$ c! H q9 E0 E' n
12-208 Conductors on Flat Surfaces
) V! T+ @8 K: `* V+ M; ? W12-212 Protection from Mechanical Injury
[. q7 y; |( Q o1 d; G) Y& A; _Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises/ l2 ?7 y, p Q0 f- _( j
12-308 Minimum Size of Overhead Conductors
2 J$ y2 b# U1 w. {/ V# R( A12-318 Use of Neutral Supported Cables2 K+ ~+ h. a5 A" N& }. l
Nonmetallic Sheathed Cable
, t/ W: D) z" Y$ W, V0 y' [. _12-502 Maximum Voltage
0 W# m" p! F3 z2 C1 t& M12-510 Running of cable between Boxes and Fittings (Appendix G)# S/ h; |) j2 h7 ~7 {# d3 [
12-514 Protection on joists and rafters; j4 b: k6 e1 u- Q8 k& Z
12-516 Protection for Cable in Concealed Installations (Appendix G)
- L) u% y; ]& y4 T/ E- E6 j12-522 Where Outlet Boxes Are Not Required
. |) F; z+ \4 m+ s" n; h, C' G+ \Armoured Cable
/ L& J& J6 d+ ~( }1 ~/ m12-602 Use (Appendix B)
% X7 O. A( K- _" P2 c5 V12-604 Protection for Armoured Cables in Lanes
! p2 U, s' \. F$ \3 @8 b12-606 Use of Thermoplastic Covered Armoured Cable
* y) P6 S8 M& H12-608 Continuity of Armoured Cable A* t% d8 `6 w, ~+ D9 w+ `
12-610 Terminating Armoured Cable3 x! [8 B" G6 Q0 ?' R
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems s3 s* z! R) B& s1 _
12-614 Radii of Bends in Armoured Cables
! O* _$ H9 t' l6 L8 }; H12-616 Concealed Armoured Cable Installation
5 \; |! H' Q8 o& E. G+ L* U12-618 Running of Cable between Boxes, Etc& Q" q, E- L |) K
Mineral-Insulated and Aluminum-Sheathed Cable
, N/ k- q3 m [$ r, z5 O0 H+ t12-702 Use [% O1 W: z$ i, E6 ? E
12-704 Use When Embedded: i+ |/ r7 R, f
12-706 Method of Supporting
' D P c" K. b. ~+ [ ^5 J" j12-708 Direct Earth Burial. G5 q4 A# g" n7 p) l: [
12-710 Mechanical Protection3 E. v8 P' t+ G. C" T; H2 P
12-712 Radii of Bends) j& f% G* o1 F' j! ~$ @, {
12-714 Termination of Mineral-Insulated Cable (Appendix B)
& Y2 i; W+ \) i12-716 Connection to Other Forms of Wiring
: e, _2 y2 q4 l+ LFlat Conductor Cable Type FCC, R6 |6 w: g* g ~# A, C
12-804 Use Permitted" o, L Q2 D6 H' L
12-806 Use Prohibited" J' i v" L2 @5 L
12-818 Anchoring
9 ?# {. @# C; S! {' |12-820 Crossings2 l/ t" d6 R" y5 G/ I! _! k: w
Raceways - General
7 @/ W# c5 Q7 H3 W" Z+ U# @12-904 Conductors in Raceways
1 e5 o$ B8 B7 B7 P. T% [12-906 Protection of Conductors at Ends of Raceways$ M7 ?9 `# N9 j2 a. ~
12-908 Inserting Conductors in Raceways8 _' D. t8 N$ n7 j
12-910 Joints or Splices Within Raceways, R6 ~6 z! j w5 L
12-912 Stranding of Conductors
. L8 K" X! j# K# s0 {1 ]12-914 Electrical Continuity of Raceways7 F5 \& I# m0 |
12-922 Radii of Bends in Raceways1 I9 y/ j! U) ^" ~, g! _' v. U1 w
N 12-922 Radii of Bends in Raceways Table 7
1 j& g- X6 x6 ?$ t" d* @12-932 Protection for Raceways in Lanes5 k) k7 W) y4 v" }& q9 R
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B): o( Q' G3 S; V
12-938 Capping of Unused Raceways
; t- j, ?1 X: E/ }8 M) _12-940 Maximum Number of Bends in Raceways1 Z) w5 w8 ~8 J. F9 d: Q k" [
Rigid and Flexible Metal Conduit
+ d+ `0 E9 T5 \12-1002 Use+ x& f2 o7 z, c) O" m! V& j% }
12-1004 Minimum Size of Conduits
* O/ n: R2 I1 [# f! v# [. z12-1006 Conduit Threads (Appendix B)
: ], i4 b& P% \+ _: o2 S12-1008 Thread Engagement4 ]1 i% T9 @0 B R2 t$ C
12-1010 Maximum Spacing of Conduit Supports; C9 P! o& Q2 R" L- N8 W" s: _: n
12-1012 Expansion and Contraction of Conduits (Appendix B)
) S$ _4 R- A% o a' T: o" T12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
: K/ K' k& |8 s5 }. D2 C: NRigid PVC Conduit and Rigid HFT Conduit
, H) N. ^% F) N5 K6 T$ o$ s12-1100 Use
@. p3 y ]8 {, k12-1102 Restrictions on Use" V# ]* A7 A. S* m+ h
12-1104 Temperature Limitations (Appendix B)8 Q/ o: T! A, [4 P, |5 U- T
12-1108 Field Bends (Appendix B), (2)" e% M: d3 m6 T/ b) y; `: l: _
12-1110 Support of Luminaires: R# Q$ e+ j# ~* ]4 U& i% f) Q' z
12-1112 Fittings
/ |# ?7 T, m# L1 A2 r6 V; g. B! U0 W12-1114 Maximum Spacing of Conduit Supports: d# l, w% K4 ?! A
12-1116 Support of Equipment
5 f0 n# q- m" f* r12-1118 Expansion Joints (Appendix B example) x! `. d( Q2 h, s
Rigid RTRC Conduit
?0 L/ [# s+ n3 z12-1210 Temperature Limitations) N4 n8 j$ u' c7 E
12-1214 Expansion Joints (Appendix B)
$ j2 C! D$ f3 ^' h& T( R# b, L; J; RLiquid-Tight Flexible Conduit
3 P. ]1 `) r: j- b12-1302 Use of Liquid-Tight Flexible Conduit0 r/ a% z# D% c/ W
12-1304 Maximum Number of Conductors5 i+ C M* d9 a) |3 R
12-1306 Provisions for Bonding
3 O0 J% G$ ^, B1 S5 j/ L2 C* I! i# [% }Electrical Metallic Tubing4 U" c& q. r$ E2 Q b, t
12-1402 Use' f+ f. x$ O Y9 d5 Y `
12-1404 Supports$ K1 X( E9 O- k7 _- U
12-1406 Minimum Tubing Size( Y6 r2 v7 a0 Y: t$ |; v1 s0 Y! [
12-1408 Maximum Number of Conductors
0 [5 z/ U* c; `5 _# a$ m12-1410 Connections and Couplings
& Z2 G* A5 [. z( c& v12-1412 Radii of Bends in Tubing
8 X" \' M0 S7 V* `1 VN Table 7
/ ]" M: o* d7 @1 xElectrical Nonmetallic Tubing
% J v$ c9 @. g) ~/ ?12-1516 Provision for Bonding Continuity
, K% X1 t. ?# o* p' MN 12-1514. u$ q5 o7 n( ^' ~/ t! Y. Z
Surface Raceways8 a' z" F O) {" B
12-1602 Use of Surface Raceway (Appendix B)
% R' |) D- N- p0 t& f12-1604 Temperature Limitations
. L2 P+ l6 P3 m( O3 i1 L12-1606 Conductors in Surface Raceways (Appendix B)
- }& Y. W: P- g X- V12-1608 Maximum Voltage2 ?1 m: E5 X/ I+ e
12-1610 Joints and splices
; T. ~4 M% \8 R. [Underfloor Raceways
- ]' R6 t, o1 d12-1712 Discontinued Outlets in Underfloor Raceways
. v* l5 ? O; yCellular Floors
6 F% k% R% _- t I5 O- h' }% S12-1804 Maximum Conductor Size in Cellular Floor8 V1 @5 a# z* {$ Q2 [. Y6 |( A
12-1820 Cellular floor discontinued outlets
8 {8 l, s4 B! r: t$ `/ RAuxiliary Gutters4 P7 H. T; F7 y1 U* H
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
4 l0 c4 o; p& |8 h8 x12-1902 Auxiliary Gutter Supports' q. ?, e5 s; h8 l- U6 U+ ?
12-1904 Auxiliary Gutter Cross-Sectional Area: F# t0 D; X+ Q0 [9 U: p% k; [' J" j
Busways and Splitters
- S+ L; S7 _8 ?, K2 }12-2004 AC Circuits in Busways and Splitters
3 q) ?) \: |% `+ i12-2006 Busway and Splitter Supports) ?' {0 H6 I0 Q q2 e5 W3 v/ ?
12-2008 Method of Installation of Busways3 M- F" i+ a( ^+ p" k
12-2012 Reduction in Size of Busways# A5 C7 M! F! _* S6 p
12-2014 Length of Busways Used as Branch Circuits
" E5 n2 t. `+ j3 E8 y3 ^. j' Y) l12-2018 Taps in Splitters/ s$ v R- a7 f. y t
Wireways* O- S' i" I6 q: C6 M% u0 j
12-2104 Conductors in Wireways
" \2 ?( v: @: X5 S9 p3 s% x12-2106 Taps and Splices in Wireways
% f3 a# j; e/ a* j' b) o( l; v Cable Trays
K# i4 i3 [/ x! W12-2200 Method of Installation (Appendix B)% Z2 i" j- i0 _1 f$ n
12-2204 Joints and Splices Within Cable Trays
# j6 |* _ b5 d0 T1 s6 v12-2208 Provisions for Bonding
, u! [' |. z3 t4 l' O12-2210 Ampacities of Conductors in Cable Trays
% W X2 O/ H9 T4 F; b! `0 K- pInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
4 Q1 W7 y* N/ c7 s/ B, v12-3000 Maximum Number of Outlets Per Circuit% v! a4 d, Y, J' D/ U- x/ G
N 8-3043 K; M4 Z# M; h5 m6 i! S
12-3002 Outlet Boxes (Appendix B)' J1 H" K# v* ?4 m
N 12-3000
8 \" y% F: j! b$ K& n12-3004 Outlet Box Covers! Z5 u B5 I, _
N 12-3002
* M# F2 I0 a5 Z4 z, ?) N& Y0 [12-3010 Boxes in Concrete Construction
% P, d4 |0 r" \6 wN 12-3008
% a5 K- O; Y5 Z! c/ T' s12-3012 Outlet Box Supports5 g" d0 `/ w; k4 K
N 12-3010" l6 q% v& z8 Z% _
12-3016 Accessibility of Junction Boxes
: M0 d- j$ R9 R: [1 l! aN 12-3014* ?! k! v% ?& d
12-3018 Flush Boxes, cabinets, and Fittings
. s' }5 l2 N1 {- Y3 \" M+ tN 12-3016
# V2 v# u( l W7 K: [5 _7 N12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
- M3 ~. L5 P; V u1 O; U8 i% ]N 12-30227 |5 g, s5 S& ?
12-3036 Maximum Number of conductors in a Box - Table 23
1 @4 i: l$ W6 D$ [8 ZN 12-3034* n1 ^6 S5 j4 [! m, v1 J9 p* E
12-3038 Pull Box or Junction box Sizes/ x4 x- N" Y" ^4 I. K1 I
N 12-3036
& S0 q( o4 A) e
9 @( U' Q8 b. ]! K! {; CSection 14 Protection and Control' A" K) N. F# W+ V/ m, M
General Requirement
4 D* c# M/ j) ]7 z: n14-010 Protective and Control Devices Required
% \! [- s+ N9 I. a2 R7 n14-016 Connection of Devices
1 x5 R# P- a( q6 P1 k3 n4 f Protective Devices – General, l4 s) T# Z9 ?6 g! e: s7 E
14-100 Overcurrent Devices Required
3 P. ?1 g2 B3 f4 d4 D14-102 Ground Fault Protection (Appendix B)
$ e8 Q, K& U) k- ]6 K1 D, T14-104 Rating of Overcurrent Devices (Appendix B) Table 13
* r* m% d" n, D2 n1 a( |" B14-112 Overcurrent Devices in Parallel" a8 a3 E2 z0 G. k
Fuses k' g# w+ l) C* ^" O- e
14-200 Time-Delay and Low-Melting Point Fuses
5 N1 t6 y6 K8 [& r8 p14-202 Use of Plug Fuses
) Q7 X0 E1 w+ I' ~* k14-208 Rating of Fuses
, |% z) ^4 d4 u; r/ E14-212 Use of Fuses (Appendix B)9 ^8 y% o# @ U4 R- U4 I2 z
Circuit Breakers
- F6 Z$ y: @6 `% F' X14-300 Circuit Breakers, General8 i* A; k- V' u* ^ ~
14-306 Tripping Elements for Circuit Breakers
- z0 i: R& Q1 {' ?" F+ `14-308 Battery Control Power for Circuit Breakers9 r* }) a8 l+ I: ?
Control Devices - General
5 R, |! N. E3 p2 c14-402 Disconnecting Means Required for Fused Circuits- v5 D A( v; z# h
Control Devices - Switches
- B' D0 ?' v) n0 ~# _14-502 Mounting of knife Switches
, @- |5 j0 k; e8 v8 I/ w0 I- S14-504 Maximum Rating of Switches
1 D T$ ~- _1 {0 [( G14-508 Rating of General-Use AC/DC Switches (Appendix B)' ^# A* D$ e$ F' M2 Z* q+ H! y7 z/ e
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
+ `; n. y3 P4 g/ b3 l! d' _$ V! BSolid State Devices
3 L3 R: ^5 ^8 `0 m14-700 Restriction of Use
& d" a# I. y+ R, j4 R# P* N7 k' L14-702 Disconnecting Means Required! z& g" _2 z' J8 ?
! i" H' b; }7 V8 O/ s2 ]
Section 16 Class 1 and Class 2 Circuits6 X, F# V# G5 g4 v1 P2 p0 q
General
5 I3 b& _ e0 M5 J16-004 Class 1 Extra-Low-Voltage Power Circuits
& t" s+ |/ Z* D# }6 A( v: [1 ^16-006 Class 2 Low-Energy Power Circuits
8 m8 y! [; `1 P# w4 A. R16-012 Circuits in Communication Cables
7 g& [: r& X( ?" x# l4 IClass 1 Circuits) I* T; c8 }: N: v
16-100 Limitation of Class 1 Circuits: g- o% O4 V T3 b& W
16-104 Overcurrent Protection of Class 1 Circuits
# k3 P, i0 S" o3 O+ }# f0 I, ]16-106 Location of Overcurrent Devices in Class 1 Circuits
+ j7 u* G2 N* y1 k0 ^16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
2 t" U7 p7 @7 q: ]! R16-110 Conductor Material and Sizes
4 l% t( o0 H3 l4 i4 H16-112 Insulated Conductors for Class 1 Wiring" h" H3 s1 \* C& c
Class 2 Circuits
/ J1 h. g; @+ j1 N16-200 Limitations of Class 2 Circuits (Appendix B)5 C- F$ p0 ~0 f4 f7 S- d7 X
16-204 Marking
2 H0 U- g9 O( p A16-206 Overcurrent Protection for Class 2 Circuits' x- J, O) l) _% N- P' ~
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)" d* g, C- |: B6 p/ D
ELC: extra-low-voltage cable8 q+ E4 P9 r- S
16-212 Separation of Class 2 Circuit Conductors from Other Circuits3 p/ [$ i, U3 N, n) J0 ]+ u0 h: X
}# G s/ ]3 a9 W& W# \/ ISection 18 Hazardous Locations# }" l, X6 g; M# p; p9 R
Scope and Introduction1 k8 N% j( y& v! o# R6 d
18-004 Classification4 K, r2 T/ ^6 U2 K8 J; K, O
18-006 Division of Class I Locations (Appendices B and J) p0 ^1 a1 e" f
18-008 Division of Class II Locations (Appendix B)7 o! ]: n6 R6 |8 e0 A- u
18-010 Division of Class III Locations (Appendix B)
. Y. v9 K, a& }4 {: pGeneral
) O5 T) `7 k3 A' p0 B; E9 x18-062 Metal-Covered Cable (Appendix B)& D6 t$ ^/ ]1 d- ^5 D3 X- c. J
Installations in Class 1, Zone 1 Location# d/ u3 j7 G; |
18-108 Sealing, Class I, Zone I (Appendix B)% V: i( _$ H3 c4 ~
# `6 T# a5 u# E$ u* V4 nSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars% W$ x) K' v/ e7 Z5 |; L
Gasoline Dispensing and Service Stations
* \/ m( q. K- r: U' L20-002 General1 a% D) P& @+ B" e3 U
20-004 Hazardous Area (Appendix B)
7 e8 w+ A8 A- ^: s# Q- C# wPropane Dispensing, Container Filling, and Storage1 o4 M P. U/ z6 k6 W7 R
20-034 Hazardous Areas - Table 632 v! ^5 q4 s, u0 W- z2 D- t
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities' B( ]+ ?1 v5 N
20-062 Hazardous Areas/ ]* x0 i: B% \; n
Commercial Garages – Repairs and Storage
6 m9 p2 T" s3 [& M9 n; y9 @20-100 Scope
: k0 t2 d4 c% w7 M4 C20-102 Hazardous Areas (1)
) J% r. h+ s' b5 k* p$ ^8 j% F& Z. w
Section 24 Patient Care Areas/ H) |" W8 B, W0 ~, m2 T
24-000 Scope (Appendix B)# `) w3 ] ^# q, M
24-002 Special Terminology (Appendix B)
& V- z' h/ S* e/ w Patient care area
! t& w0 m/ d( R7 }% N% UPatient Care Areas
1 `6 w0 p' H" ~% E t; E24-106 Receptacles in Basic Care Areas (Appendix B)3 d1 H# ~( S5 |' e8 A
Isolated Systems
# p' w$ Y4 N6 o, w24-204 Single-Phase Isolated Circuits (Appendix B)
# }- u5 A W3 l* Q$ X24-2065 i3 Y% F% U- _1 X8 \" U% l+ o
3 v- X( x& c" b0 C! F1 s# P: S
Section 26 Installation of Electrical Equipment
9 ^6 @% l: e% g$ s7 J7 h$ ~2 Y' [General5 |; O% g; j' ~4 g
26-004 Equipment Over Combustible Surfaces (Appendix B)
: h9 c! f1 D7 g E$ c* p26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
, t a7 f7 @! m( d3 z c4 r% }2 A/ g. u Isolating Switches+ G, Y4 |5 B1 y! c
26-100 Location of Isolating Switches1 {" @% X0 y( z& G+ O/ d
Capacitors
5 r1 W( U3 s; g) l- C: ?5 H7 c26-204 Guarding of Capacitors
W9 z( M" `3 X26-206 Grounding of Capacitors( e G! L7 f* Y6 H
26-208 Conductor Size for Capacitors* q% B4 n# o# _* T' n' M5 M$ C
26-210 Overcurrent Protection (Appendix B)
/ _7 ^ y; J/ n26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits3 g$ G* j' g% Z: v* x
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits' O, v0 e. c% H+ X2 q, o+ k
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits2 D0 ?7 ~ z. I0 @2 e7 q1 D! e
26-218 Special Provisions for Motor Circuit Capacitors
3 P' x& x; g/ ?: ^26-222 Drainage of Stored Charge of Capacitors
% m) l5 T5 `0 s/ s! MTransformers
; p' T" Y+ P6 w: F9 M \26-240 Transformers, General
& C& i8 c ?& o1 {7 w" M26-242 Outdoor Transformer Installations# |% L( A6 t& Z% Q" _) D3 L& n" ?
26-244 Transformers, Mounted on Roofs (Appendix B)$ X* {3 G8 ?6 v9 T7 N* W I
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)2 y5 b" c$ A6 E8 b
26-248 Dry-Core, Open-Ventilated Type Transformers
: a9 T& @# k# Y! O* ?26-250 Disconnecting Means for Transformers' `& J5 ^2 i$ K; x% p
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
7 U8 z2 e& h Q9 p% {# B. T26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers* N+ O, _$ x( ^
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
- N7 R7 ~. E, x! _4 G9 v# Y3 {26-258 Conductor Size for Transformers" F$ ]+ g+ a z4 F& ~% O
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)/ r& ?0 w6 n6 Y& V8 {
26-262 Marking of Transformers2 M6 `" x" W8 p2 r: ?
26-264 Auto-Transformers1 u' f l/ [, j
Fences
4 s4 |# y+ D8 T% e5 f26-302 Clearance of Equipment - Table 33
+ a! n" L+ Q8 @7 f+ Q" V# @Panelboards: J8 E+ D* o1 j" y" _4 z
26-400 Panelboards in Dwelling Units (Appendix B); }5 f3 H6 C0 n* Q
26-402 Location of Panelboards (Appendix G)( X, I7 ?4 i7 a" j" r7 T) G
Lightning Arresters
8 J, x; E. l2 [ }. V# ^# G) Q26-508 Connection of Lightning Arresters
4 P: [( J- b0 c; DStorage Batteries
# k y: N/ b3 |; D, T, F26-542 Special Terminology# K8 _7 e* G( a1 U5 `6 K
26-550 Battery Installation
3 M0 j1 n: V- @. L9 @' g5 I26-552 Wiring to Batteries) s2 i3 \& u. o: Q1 B: ^
Arc Lamps" m& p% q6 }8 O( a7 a& D3 b+ x O0 Z
26-600 Location of Arc Lamps3 @0 c+ R( ~! n: r3 _ V% B
26-602 Conductors to Arc Lamps
* W3 E4 }3 N8 V7 T5 F2 ^26-608 Globes and Spark Arresters+ Y5 S& k; K# Q. V" a, {
Receptacles4 L2 r9 L; U) \* ~ a
26-700 General (Appendix B)! t$ i/ e6 {4 d# h
26-702 Receptacles Exposed to the Weather' A* i* G; g5 y. \1 ^/ r+ E
Receptacles in Residential Occupancies
1 b3 M' s. t$ [ T) m& ~3 k ]. Z8 w26-710 General (Appendices B and G)
1 x4 Q( r- E$ C A26-712 Receptacles in Dwelling Units (Appendices B and G)% Z c& I% y/ u U: }* ?
26-714 Receptacles in Single Dwellings (Appendices B and G)* Y( `% C9 ^0 a* t* J
Branch Circuits in Residential Occupancies
1 |) H5 o. J% L26-720 General
/ f: B2 i8 T. P26-722 Branch Circuits in Dwelling Units: A+ c! K0 q5 |% H8 y+ O$ w; f3 {
26-724 Branch Circuits in Single Dwellings2 U. a' \6 f! O/ c6 {
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
: s0 q# Y7 K- R. M8 k. \$ k7 zN 26-720 (F)2 c; B' N. j# z' T% K7 O+ B4 g* x/ E" x% B
Electric Heating and Cooking Appliances
3 }. I5 {4 K, N: W26-744 Supply connections for Appliances
* b6 X0 J8 j( v% l" U& d26-750 Installation of Storage-Tank Water Heaters" S7 h9 r4 P' K- u3 N0 V0 k' a
26-752 Infrared Drying Lamps
3 v }$ \7 K4 r+ s3 m: B4 A( q3 O: ?, l1 \" W& ~; o' G# H. x; c
Section 28 Motors and Generators
& `- z% t; D% i4 R: z! J# FGeneral
& z; p3 [' J# h @8 Q0 \) ]2 X28-010 Special Terminology
% u* t+ t" x6 S5 W& j& O$ L7 eHermetic refrigerant motor compressor
3 s+ v; x! _/ rLocked rotor current rating1 p" f5 d8 A9 f
Service Factor, W4 U o3 j; p( r6 ?
Table 44; Table 45; Table-D27 s$ F/ \2 E; H
Wiring Methods and Conductors& h' o6 r9 z" G+ l/ }2 }( v
28-102 Portable Motors% U3 Y" Q: M3 y, a: r. M4 H
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity9 ]6 m8 s0 |% r( ^- _2 C
28-106 Conductors, Individual Motors, I h! e& d5 U. y6 K
28-108 Conductors, Two or More Motors
/ `# M0 y2 U2 J& ~: J& X( e28-110 Feeder Conductors5 B+ i9 x; n' Q l" X I; t
28-112 Secondary Conductors
% c! E& J2 U6 A$ i: d) qOvercurrent Protection: y F# `& ~- A
28-200 Branch Circuit Overcurrent Protection
- I7 O* q, T$ |% `/ h28-204 Feeder Overcurrent Protection, v# y* J+ r2 M- j& v9 \2 N
28-206 Grouping of Motors on a Single Branch Circuit7 i/ g# Y+ z- h2 M, ]7 X
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)8 [0 A% Q& t, f; C
Overload and Overheating Protection
2 e: m' f7 u& Z% J( f4 E. |8 L28-302 Types of Overload Protection
9 O4 J8 h( [+ Y$ Y F8 b28-304 Number and Location of Overload Devices (Appendix B) Table 25
[: M2 a5 K5 z& b28-306 Rating or Trip Selection of Overload Devices (Appendix B)
; X: H6 M+ ?- E0 b4 e9 i( F28-308 Overload Protection Not Required1 M& b) r" Z' V
Undervoltage Protection
" g/ ?. J& w( n8 |! p! G0 `4 r28-400 Undervoltage Protection Required for Motors (Appendix B), x) F& }( A7 j9 ] O( q+ J
Control' b* g( i: J0 O$ b3 |( x& K7 [
28-500 Control Required
2 O J. Z, P3 G5 L28-502 Control Location! q( t7 E# U9 _5 W4 b
28-504 Starters Having Different Starting and Running Position5 Y! H Q: D% g
28-506 Grounded Control Circuit1 A( I( _6 @3 s, a# f
Disconnecting Means
0 M* B+ {- ^ S& ^5 J' }- q5 N28-600 Disconnecting Means Required0 N+ C4 w& L# @% O) c
28-602 Types and Ratings of disconnecting Means (Appendix B)' `0 i" l8 Z0 \6 j! t e
28-604 Location of Disconnecting Means1 ]* @; {5 X1 \1 m, h% N
Hermetic Refrigerant Motor-Compressors- o6 E" P' A& I. [
28-706 Conductor Ampacity! a9 x6 n6 B) i$ O5 q4 y L
28-708 Overcurrent Protection/ ?! z. P, e5 |2 U- L: p! z$ \
28-714 Disconnecting Means
4 c! V6 v( s) Y5 o% ?Protection and Control of Generators) F% k2 V' t w8 Y! n6 A; ?
28-900 Disconnecting Means Required for Generators" j& F2 U8 j' [* N+ k ^3 [6 p
28-902 Protection of Constant-Voltage Generators; \$ p& K7 Q, H% R- K- e2 u8 x5 V# j
28-904 Generator Not Driven by Electricity
3 }" n+ H. J6 K. @# n28-906 Balancer sets
7 P$ U3 e" T* g28-908 Three-Wire Direct-Current Generators0 T% I4 x- d" X. l- {
8 K% t3 m( a- q7 g; j
Section 30 Installation of Lighting Equipment# e7 ?% J: a5 k9 b( O- ^4 X! t
30-002 Special Terminology (Appendix B)9 ]# T0 q; v' W) a0 T0 R
General& |( e) \. _# I/ a1 i' v
30-102 Voltage( F: @, {) D( q) V
30-104 Protection (Appendix B)8 ~% d8 H+ f8 Q+ q6 }5 v: P
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment$ c1 Z: o0 O# b: s0 ]+ `- ?3 s8 F
30-108 Polarization of Luminaires5 Z& W% J, u/ r# x
30-110 Bonding of Lighting Equipment
( |3 B* _6 S8 }# r$ b, r# }Location of Lighting Equipment
: G( y2 C( a# r* m7 W- \30-200 Near or Over Combustible Material
1 Y. |; Z! }+ Z8 H5 c9 F30-202 In Show Windows
6 K% ~+ e/ ?+ n0 A9 Y' C30-204 In Clothes Closets) H# {( ]4 l. A) ]7 ^6 S' A, ~# [. l
Installation of Lighting Equipment
$ h/ {% Z7 E* i30-302 Support" _8 o8 M W' Q4 _- n. F
30-304 Outlet Boxes to be Covered
% @& H, o# L7 T( y c6 ^- y30-308 Circuit Connections
2 j S" M% e7 l# W+ |30-310 Luminaire as a Raceway$ Q: ]3 h, r8 R$ d# W e b; a0 `+ c
30-314 Minimum Height of Low Luminaires/ Z7 N; k, T2 i3 s3 c7 M
30-316 Luminaires Exposed to Flying Objects) X3 u" w) {4 Q# n. m
30-320 Luminaires in Damp or Wet Locations1 B: j# Z c# X0 M* Q
N 30-318' [1 z. a7 S5 A2 a- A
Wiring of Lighting Equipment
) p! N! u7 T% Y& b* C+ S$ T# l1 u30-400 Wiring of Luminaires* z* T4 z* X# ^ |1 Z8 \$ I! F1 y
30-402 Colour Coding1 K, J! N5 X$ u0 w8 P
30-404 Conductor Insulation+ w2 C! P0 o) c: N+ D1 q# `. D
30-406 Conductors on Movable Parts/ ?# m. j& q- t' N6 E
30-408 Wiring of Ceiling Outlet Boxes4 [6 r" w- S* j8 u
30-410 Wiring of Show Window Luminaires
2 ^$ D& f. g) B/ W! L) d& W30-412 Tap Connection Conductors
, k8 D( g, I# H* W, L" _* a* pLuminaires in buildings of Residential Occupancy! z: p8 U% N3 w, _: k- {
30-500 Lighting Equipment at Entrances (Appendix G)0 }8 R9 {4 O1 B! j+ x
30-502 Luminaires in Dwelling Units (Appendix G)
) g1 L% Q' @& `6 }30-504 Stairways (Appendix G)5 I, J6 ~( D9 Y5 u9 F* q
30-506 Basements (Appendix G)
0 N t" T h4 S30-508 Storage Rooms (Appendix G)
" l' |. ]% A- g$ i% c30-510 Garages and Carports (Appendix G). X+ a+ q# Z9 e; ?
Lampholders
5 b" f9 ` x# A1 z30-600 Lampholder rating with Incandescent Lamps
/ Q; }, U1 U) jN CANCEL! d5 t( N) K5 t! |' Y1 `
30-602 Connections to Lampholders: y+ W2 u+ s* e, b: H
N 30-600
' I! z, {. k3 U( ?, c& {30-604 Switched Lampholders Used on Unidentified Circuits
& r9 E5 f) z0 _3 G# T6 H8 \N 30-602
+ t5 \9 x7 ^7 w4 D30-606 Switched Lampholders with Pull-Type Mechanisms8 \$ G* ~( K2 I$ l; e1 M5 n- Q2 e
N 30-604
d- l: n4 _5 @( ?& O30-610 Pendant Lampholders i9 v# o7 [' f& _8 B; n" f2 W9 ~/ O7 ?
N 30-608
: y, J& [/ r* A: p9 v! MElectric-Discharge Lighting Systems Operating at 1000V or Less) [/ [5 b9 {) y3 l+ k* g
30-710 Control (Appendix B)) R. U% |9 j9 Y/ _, Y( M, S! K2 s* K
30-712 Branch Circuit Capacity
& A ]+ T. v5 f# U q8 h1 X. [$ \& PElectric-Discharge Lighting Systems Operating at More Than 1000V
* U, J$ h; Q: M8 ~" [- J1 V: @30-802 Voltages, Dwelling Units5 d. J* D' c4 s' g R
30-804 control (Appendix B)
3 C7 H" k7 m( e# W$ VRecessed Luminaires (Appendix G)
- ^$ X u$ ^( ~- @$ s# E% K$ Y$ b30-902 Spacings for Non-IC Type Luminaires$ ]9 [+ X1 u7 u3 W* Q
30-910 Wiring of Recessed Luminaires (Appendix B)
( D+ x! u4 R1 k4 ^Exposed Wiring for Permanent Outdoor Lighting# N0 l6 T, M) Y( M1 a- R9 `
30-1120 Branch Circuit Loading and Protection' p N0 @% O" m0 y" p0 y' O* a2 g, m
Extra-Low-Voltage Lighting Systems6 E- d/ p) I" }, B
30-1202 Sources of Supply
: t; u, {* H7 W/ d# h+ C. M |/ m7 f! o" a; u) `; Q4 ]; ]# E
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
* M4 v7 z& }/ n TFire Alarm Systems9 G1 {4 E7 N% ]) x
32-100 Conductors* m. i( _! @7 h x' }, C T
32-102 Wiring Method
( V) g2 N+ E' F. o0 R32-104 Equipment Bonding
3 g7 J0 t8 p$ h& l8 B3 r( _: l32-106 Electrical Supervision
8 u5 x# }" K7 {/ V32-108 Current Supply
8 _0 h, P9 D3 s1 B32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
$ Z7 y. K0 p# I6 R; \Fire Pumps
) y$ U4 K% |/ O; W- p% T( y' }32-208 Overcurrent Protection (Appendix B)4 U9 `- u# h4 Q2 ~* O8 r
N 32-206
% D) K" O( E( j; T32-210 Overload and Overheating Protection (Appendix B)8 ~& H% k# ?; ^
32-212 Ground Fault Circuit Interrupter (Appendix B)0 I3 j" O- m6 L9 I. y }4 J @
6 M) q/ t/ u. p' [5 a3 ^# ?6 l$ {
Section 36 High-Voltage Installations
: Z b( v) n! ]. OGeneral( y2 o% t* w4 Y4 n T. s% { w
36-000 Scope (Appendix B)0 z6 i2 T4 a; h
36-006 Warning Notices) S8 G0 w( H, C! M# S0 C ~
Wiring Methods
, [3 l( a7 Y3 ]: j2 B5 Z# u36-102 Radii of Bends
/ p* N5 I3 P/ r3 [. y36-104 Shielding of thermoset insulated conductors# C& B$ @3 a8 S
36-108 Spacing of Exposed Conductors (1) table 30, table 31
3 q5 T! W; g* n1 s& i36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
! l& b$ N& \8 Q+ r& D+ j1 eControl and Protective Equipment7 D+ `0 P$ W2 M
36-214 Disconnecting Means8 B. E* @, k# H" ]2 n# A4 D2 O
Grounding and Bonding2 a& E4 x5 A3 l
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
1 E( L) i+ g) b36-302 Station Ground Electrode (Appendix B)
2 j. O$ k1 r6 m1 |( F/ s36-304 Station Ground Resistance (Appendix B)2 q, B8 M0 M" m+ |5 B: j) M
36-308 Connections to the Station Ground Electrode (Appendix B)* ?) _& K" ~8 E4 t
36-310 Gang-Operated Switch Handle Grounds& [; G4 O8 v( R) g4 Z9 ~1 @2 H$ g" r
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
2 C4 `1 n, w/ w
' v6 ?( l% i' FSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment% z/ d6 ?5 M. @; T7 `5 G
38-002 Special Terminology (Appendix B)
. W: G7 |: ]! r2 B1 N38-003 Voltage Limitations (Appendix B)1 s! ?! v4 J: Y/ ?# k! u
38-004 Live Parts Enclosed
* i7 B# W1 d- W7 X; z! @38-005 Working Clearances
6 L( R% J7 b8 Z+ Z# q38-011 Insulation and Types of Conductors
; i6 [ i) C! E2 O* \38-012 Minimum Size of Conductors% y: g. W G. w9 D: {$ t
0 ^( Z# J t0 w; m# ^, I+ ^Section 40 Electric Cranes and Hoists
9 B5 C' R) G- F* ]+ {40-008 Disconnecting Means
5 h H. X: }2 a( Z6 U40-010 Main Contact Conductors' j; d. J' x* G6 W
8 [; e' U# m+ k0 S9 ~) s
Section 42 Electric Welders
; Z% r- ^2 t0 ]2 M: s/ K0 `Transformer Arc Welders, e- x: x8 L8 Q7 v
42-006 Supply Conductors
|! X [4 P) Q" p' R- J5 R
* [/ Q7 S% m0 WSection 44: Theatre Installations
$ b1 f* I8 L, R) xGeneral: R$ r% u$ a' f e
44-104 Number of Conductors in Raceways6 B0 I. c6 C; `. z8 ]' h
44-106 Aisle Lights in Moving Picture Theatres% g. M$ p$ \" R. o
Fixed Stage Switchboards* N D' j- u# k3 D
44-210 Overcurrent Protection
F' ?1 e' x7 MFixed Stage Equipment+ @) l6 t! x$ W1 \
44-324 Receptacles in Gallery Pockets: X2 g2 A. ^) V% _6 i# K" G. O1 y
44-326 Receptacles and Plugs% r; _9 _* \* s" t' y; s# L8 U0 T
! J( f: K4 Y/ NSection 46 Emergency Systems, Unit Equipment, and Exit Signs7 R, v' D" ~. c! c% f: ]9 \
General
7 U% D! |$ Y, Q- g46-102 Instructions
; p+ _+ Z6 O1 y. [0 Z# [4 X7 e. r6 y! Q46-108 Method of Wiring (Appendices B and G)
! o, |6 i; n! {Emergency Systems
4 L: S5 e$ q+ V8 Z. z. u46-202 Supply (Appendix G)$ m Q& Z; R( N; t: I1 ~) {( M
46-204 Control
' P9 D& _& H0 V, E46-206 Overcurrent Protection
% [% V. F' E' \$ W' F3 ^46-210 Remote Lamps
* f+ T, m6 S. _Unit Equipment
' b# ~ ? I' [3 c' o9 r46-304 Supply Connections- F6 X0 S9 H7 J# ]
46-306 Remote Lamps (Appendix B)1 |+ o b5 Q* p
Exit Signs3 Y1 H/ K3 K8 E1 c, e
46-400 Exit Signs (Appendix B and G)
5 v' n4 M) P3 ?6 v( S% G' u
4 @+ y. ?. N, q' y" }5 SSection 54 Community Antenna Distribution and Radio and Television Installations
4 o( E' u4 R: r+ ` C54-000 Scope
}6 F+ H1 \# r" s54-004 Community Antenna Distribution (Appendix B)- p- H' i3 H4 v+ z
Community Antenna distribution" t6 j/ {- S' h% j7 N3 v, D8 Z
54-100 Conductors& m8 ^: d5 D9 x& `* U a8 I
54-102 Voltage and Current Limitations (Appendix B)
7 h2 d3 e8 a6 k9 Q2 c4 LProtection- O7 V, e9 |3 ]5 C; f1 L1 w0 |% }
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
5 s6 S5 V' |8 d7 Z7 k5 ^1 [8 ]6 h( rGrounding
6 i9 B7 F4 ?4 P, z54-300 Grounding Conductor
8 q8 n) q% Z- d0 @, t. _$ NConductors Within Buildings
# o1 @ {" F& ?54-400 Separation from Other Conductors
: V2 {; \; T, U0 {- W K9 C- q; KEquipment
/ }' w$ E$ Z! s+ P2 f! m54-500 Community Antenna Distribution Amplifiers and Other Power Sources' X A' U% O- q' g- A4 ?0 w# y
54-502 Exposed Equipment and Terminations
" |: V# K- Y; _% s
. i* o+ f7 l* I% Y" G! t9 ?5 ]Section 56 Optical Fiber Cables+ r* G: ]- z: s6 \
General2 V0 R) _( f$ d% d! `
56-100 Special Terminology& p( u9 F6 e7 C4 [4 r- c
56-102 Types" E. O+ V5 N% A e2 T% ~
Installation Methods# O {: e3 N; M( M5 p8 Q/ s
56-200 Nonconductive Optical Fiber Cables (Appendix B), \/ E7 u9 {3 W8 `) D
56-202 Conductive Optical Fiber Cables (Appendix B), k, U; I. ]! M7 D: n
56-204 Hybrid Cables
! J+ K0 w9 g3 ?+ V) B4 C1 Q56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)* X! m* c" L( @
' C9 N b, i. Y' h& c
Section 60 Electrical Communication Systems
. E% s( D1 v3 rGeneral" T1 f# k& U0 e) S' M2 R& m
60-100 Special Terminology' O% e: v0 Q4 l3 s7 d, N
Protection
; @* \2 C, g! J' m) m# C60-202 Primary Protector Requirements3 w7 {" \5 V0 d+ n5 |+ U- z
Inside Conductors
+ F# D' p2 U4 a/ e; r60-308 Separation from Other Conductors
8 j4 q8 D! t5 `Equipment
! W% H1 `2 ^- J. f60-404 Exposed Equipment and Terminations
4 v( q/ w3 ~1 L8 YUnderground Circuits. M3 B+ M. |% K1 T2 w( o
60-600 Direct Buried Systems: N1 M' c; k, z
, j3 V$ h: J1 s& t a% F+ }
Section 62 Fixed Electric Space and Surface Heating Systems+ f+ L$ F5 ]" y. a6 X
General/ w+ u8 [, y% @8 t7 M+ Z8 d
62-102 Special Terminology
7 }% {$ t7 v W! w& d- x62-108 Branch Circuits! N N: F; e+ T/ K4 q* Q' {
62-110 Installation of Fixtures
* T0 k, ^0 N) X7 g! [; V62-114 Overcurrent Protection and Grouping (Appendix B) (5)
& ?5 q0 z, t( R$ Q62-116 Demand Factors for Service Conductors and Feeders (2)& a6 g) E9 v+ l" \, j/ D
62-118 Temperature Control Devices
1 Q. f9 }, [; ]+ o/ z62-122 Installation of Series Heating Cable Sets (4)(7)
( Z4 B( `5 M8 [ U4 AElectric Space Heating Systems
7 X' w" a( v5 q62-202 Temperature Control
' `/ K3 U6 R6 i# t3 w( ]62-206 Proximity of Other Wiring (Appendix B)
! d) j K3 }" I- P62-214 Installation of Heating Panels and Heating Panel Sets
, G$ J' O$ W _8 m$ A" M6 O4 x62-218 Series Heating Cable Sets in Cement or Plaster Ceilings3 g+ Z! `0 S& p) k: v E3 U% i- w5 F
62-226 Installation of Under-Floor Covering Heating Panel Sets
( q" i* N7 ]+ _Electric Surface Heating Systems
7 L+ S: V+ L( U, N: o! a62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
' M( @* A) u; D
' y# e# Y, E/ r/ l+ q* ]Section 68 Pools, Tubs, and Spas
( q& \( h7 e+ x' z; i" E Y! vGeneral
& u) C+ }3 Z5 \: ?. V68-050 Special Terminology" o# }+ K' q) K5 f3 A: i" C
68-056 Underground Wiring - Table 61
, Q; }, z( H4 v" {68-058 Bonding to Ground (Appendix B)
3 |2 R$ ~' d$ D9 J68-060 Junction and Deck Boxes (Appendix B)5 n1 K" [- P- s1 w
68-064 Receptacles
% R X$ u) p+ p# F$ E; c68-066 Luminaires and Lighting Equipment
; |% v4 M. f5 T7 ^2 u+ U% Q68-068 Ground Fault Circuit Interrupters (Appendix B)
4 w/ y& K# P: R6 ~' I% k7 l6 J! i/ \' Y2 b% Q' Q
Section 70 — Electrical requirements for factory-built relocatable structures and $ V8 H& ~8 Y1 I; f9 N
non-relocatable structures
g0 _' M0 D+ O# Y70-130 Tests (see Appendix B)
& ^+ A9 a: \6 C0 F. G0 X9 h, Q; ?* x1 Y
Section 76 Temporary Wiring (Appendix G)0 F9 ^. ?( u! e4 A! Q/ L' O
76-004 Grounding
3 \1 B- l7 D( O76-008 Service Entrance Equipment
@2 [, r* f' U: u' `* T; b! tN 76-006
& }2 f+ j+ \3 x4 n1 B* k/ z76-014 Branch Circuits! J" n h$ F, B
N 76-012# y t- ~ v/ E7 m
2 Q- O6 y4 Y* j3 S ~
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
$ p9 I- w8 G, a N8 r) HMarinas and Yacht Clubs9 V' s' y1 ~1 H% N2 o
78-052 Receptacles
; R# a- X [; p% h4 m1 F78-056 Feeders and Services8 M% l" i2 o" s! f$ h+ e
Marine Wharves, Structures, and Fishing Harbours$ w) [2 I/ ]+ [
78-106 Grounding and Bonding$ M) G4 ` X$ \2 h3 @" `; U
Tables
# X a4 `2 R3 v; { v1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65 o7 }: O3 Y' l* j6 v. a9 h
/ s7 i/ j: v3 E6 {3 G. v' XDiagrams: 1, 2, 7
) M& H6 N T# N" t! N$ }% c* i% e, q3 ]6 V/ E W4 m
Appendix B/ `) J( W, s0 A
P352: Ground fault circuit interrupter- 6mA
2 n. J/ C4 ~& Q" xP354: 2-126 FT1, FT4
N, O3 D6 H) E5 l9 n; E# k! CP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)2 I1 ~# ]* M0 U3 a* g
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)8 \, U9 d# g& O+ x5 f
P370: 12-1012, 1118, 1214 Example:
3 c& [: F& s9 e. N* x# h. m. D, BP371: 12-1108! n. F- i5 b6 ]0 M. \5 |% @1 h$ ]
P381: 18-108(1)(b), 18-158(1)(b)4 s& |+ C7 Y9 m* W
P386: 24-206
+ m( A& V- b% }# h2 gP389: 26-256
. I% ^3 {- U, w+ |P391-P393: Section 28, Example to determine Motor Conductors and Protection
- W. S7 k7 V% u- j7 Z
. F- q) n* a( Z- U& t/ W7 DAppendix D- q7 y. I# x$ ]/ G
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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