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Canadian Electrical Code Review Guide
* D3 {# \9 J! D" ?For the Exam of Electrician For Red Seal License. p% w l. V, y8 B3 U
/ Q5 j% n& c/ ~( i# XLesson One' V0 N0 ?% Z, V: q$ L
Section 0 DEFINITIONS
4 d3 ]9 c; T1 n, bThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:5 k! h5 Y3 @9 Y1 V$ B$ T' `
Accessible as applied to wiring methods
2 H8 r+ m6 N. K& V W! C: {7 q* g: YAlive or live8 K2 r4 s' U. x2 N
Aluminum-sheathed cable
; x% Y# q( M) @Ampacity6 }, W/ g7 U( ^: Y+ r) w
Authorized person! |0 Q' Q0 X! i& A1 x
Auxiliary gutter
- t( e1 q4 J5 H% ], B* S( k+ \( TAWG
" w6 q+ p4 z7 Z2 f& G6 ]Bonding
, g7 C. ~/ T6 J1 ^+ T& d ?Cable tray
& J0 U3 D% k0 HCellular floor
3 f8 \6 F) S9 Z2 F' T* |Branch circuit, h, d0 @9 {$ p* H
Bus# m! `$ U8 J, M/ U
Busway* P) c/ k) ]3 H/ D s; D' f% ?
Communication circuit) ^! E4 I5 y# U* x* @0 L% ]3 d$ E
Extra-low-voltage power circuit
B& d. D. C, k" pLow-energy power circuit& [' u+ f( K# n: a
Multi-wire branch circuit: i0 Z% z- L9 B- E+ `% a
Remote control circuit/ y s4 ?* U1 l; [1 c3 P$ \
Signal circuit# u$ M' u0 f# ], M) f& N* j' P
Circuit breaker
9 ~: H8 B/ b5 L6 T6 |& n5 j0 g1 tInstantaneous-trip circuit breaker
% I5 {0 X' a" tConductor# }: g8 {$ {# Z' c1 q' U
Conduit( c- Y. ?2 @) y( x+ [& ^, N
Flexible metal conduit, r! S+ M4 x {/ l8 y) o" o
Liquid-tight flexible conduit
9 X+ F4 D+ J: B6 R" f/ J Rigid conduit
( D: V Y/ i! A3 m/ F) k" C* k8 w Rigid metal conduit; U& g. B2 L7 _3 X
Rigid nonmetallic conduit
4 m) h+ E3 g4 F/ G7 m+ R4 b Rigid PVC conduit; s9 s; j1 E) }9 z/ @
Connector3 R- E" o8 y' V" V% y! g) J3 b
Box connector3 A7 `' Q2 V! @# n) t: i' a' U# F( C
Wire connector
; r* z2 N+ c9 f3 e0 Y$ X0 TController, R, x) h; h3 S7 R) G2 L, n4 d' Z
Disconnecting means) {6 _8 Z/ ?: w1 u5 P9 Q9 Y5 G
Dust-tight% ]% H4 A0 E# U
Dwelling unit7 y c$ t1 R! x) d! V7 ], p
Electrical contractor
* Q' n! f* _3 X; ?5 F9 WElectrical metallic tubing
$ m2 B& L1 v, g; q ^. z- s2 XElectrical nonmetallic tubing
& ^5 g9 v7 h+ ~* c8 S* ~5 {Emergency lighting
# j$ I% _+ w& c% W7 N1 G' @3 O( fExplosion-proof
, \1 y2 Q2 t5 sExtra-low-voltage power circuit5 ~2 l, i- s' E4 c/ F7 W
Feeder
" B: e4 s. R9 k. gFlexible metal conduit
9 p* \# W4 O, C' ~Ground
8 } n. N. S- b, p0 hGround fault circuit interrupter) {; F7 S+ v! g( `
Grounded
! |( J5 x& S+ h/ u2 B: @, t1 HGrounding8 x1 o7 v$ \1 u$ J9 X% D+ i& n. v
Grounding conductor$ ^1 N: t% f5 P/ }, J9 }- D" e
Grounding electrode
4 T* [0 R# G6 j8 f2 I9 a) {3 GGuarded& q, T/ M" z! ], `+ n2 H; ^
Hoistway
: C% B; K" T. j3 b' f& y1 dIdentified
W' K( _' }3 b: }Lampholder- \& F' V/ {& }2 L9 R* B( `
Low-voltage protection8 I i3 E* [2 u9 l3 X+ G$ J
Low-voltage release
" U4 o! p6 A+ J2 F" x; LNeutral
' w1 r4 r+ A+ i" K2 C, L* XNoncombustible construction
. D8 q8 v) x+ p: bOutlet ^# s& F+ W8 X0 C& h
Outline lighting
6 t' G9 `4 r9 U, N3 l$ pOver current device$ G/ X. r& _* l) a" u
Overload device) W/ b2 N K% s0 }6 F$ C- E
Panel board
/ ?% H- g- [- c" v& x( P2 }Panelboard, enclosed
$ k, \# {, e, Q* h! z3 GPermanently connected equipment+ |1 J" n1 b, x& ~
Permit
+ X$ N3 i+ N8 d: B0 e; t) q8 `* W0 {/ A# }Plenum3 Q0 M6 P1 Q: i0 y
Portable as applied to electrical equipment: G' B8 z# ]% e4 D8 @ z
Portable ground fault circuit interrupter
( w( \- @+ P) q) t' u" }9 a! xPower supply cord! j3 b6 }7 X+ L! u! C$ }
Raceway
' K* O1 \. |0 P% w5 _& s+ X2 sReceptacle1 @ }4 h; w& s. Q: A0 ~
Duplex receptacle
+ f5 @: y; }2 T) Z) B Single receptacle
7 A" [' A4 s0 e Split receptacle
4 j& [, I: _' ^; [# {. b" wService, consumer‘s
4 a: L# V$ L3 w! V( H0 c! NService, supply% K0 C [! M% p3 y- i7 E
Service box
/ z4 S" y- J1 k6 \: g0 Q$ jService room R! f0 Q, v% O" t+ |* L
Single-dwelling
. `( R6 i; M, n+ M2 b9 t: T1 ]Slow-burning as applied to conductor insulation' R) V5 R3 X, F) c0 \
Splitter
9 [) s1 U4 S% F0 k4 X9 FStarter
) h) M/ Z- w" d* ISwitch+ h$ n) ]1 X( z! _
General-use switch; B8 l1 I( z3 K
Indicating switch" P# `# i( R4 W0 m8 l
Isolating switch! C, {) A g/ U
Motor-circuit switch1 Y. _/ d# \* d! I- C& J1 ~6 u3 p
System
& i; @8 i3 h( N+ @ ]3 J% l& y. c; g Communication system
; W, I- j9 L; E* e) Y8 W7 @ Community antenna distribution system(CATV)
+ |' T/ q" _; k6 I, ~& i4 i! z1 I Grounding system
/ o& _3 v2 K$ s2 `( T1 p2 IUnderfloor raceway
* f/ \7 ]8 a! U4 ^: C# ^Voltage:
0 g, ~9 K0 I# m- f Extra-low voltage
' x& r7 d; m! K3 X9 d% K+ x High voltage% z( A3 {; b! L. C* _' r
Low voltage
3 `' H! h3 [! v% U; _+ t7 T2 iVoltage of a circuit7 |% L* v# Q* b
Voltage-to-ground
% _' L$ [% F6 b; b4 a" xWireway
0 b. T2 g# d/ i) S! w$ W# Z& p
+ E5 D8 |! f6 n6 N, j B( `, sSection 2 GENERAL RULES
|$ Q- n9 N- XAdministrative3 s5 j. F- v( A, ]
2-018 Reconnection
. _# q' Z* e" c4 S+ v! @6 H2-030 Deviation or Postponement
8 B# N6 J: A1 n E8 lTechnical General
5 d# T5 H5 d4 i9 W( W/ c, X, P2-106 Circuit Voltage-to-Ground – Dwelling units7 @, ?+ l4 o) ]
2-114 Soldering Fluxes; o6 n& P" M* I! h) Z ?
2-116 AWG Sizes of conductors2 B; s/ y' m2 D
2-124 Fire spread (see Appendices B and G)3 `9 R5 e% Q+ H- `+ F& M
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
T$ k8 j9 Y5 l* E8 Q2 ?Protection of Persons and Property
) P% A. ]) u* ^/ o2-202 Guarding of Bare Live Parts
; n! _# x8 ^6 i0 S. B& AMaintenance and Operation6 u6 z3 w: ~ O* l( p5 L
2-304 Disconnection
% z( |1 B; g5 m8 g9 i2-306 Maintenance of Live Equipment( ~; f" u" j+ E; J3 k) S8 q
N 2-306 Shock and flash protection (see Appendix B)
6 T$ Y! ?1 N% y% ^: t' F$ \0 h3 J* Z2-308 Working Space About Electrical Equipment: Table-56; j! z8 p. y- u8 z9 W5 Z$ s$ S! j; K
2-310 Entrance to, and Exit from, Working Space; i% ^) i7 t0 \0 f8 U0 Z
2-320 Drainage6 j2 d5 C* c8 j. q
2-322 Electrical Equipment near combustible Gas Meters and other Devices, |) `. p3 q7 g Q# }2 R) r: l
Enclosures# i5 _# o/ y/ H L' o
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) 5 K' g* Z: ^6 ~' f9 `; `" E
2-404 Marking of Motors: DP, WP, TE
3 A+ t: Z5 \/ F: g+ j, e 2 b, C, e D- D- ^ `) g L
Section 4 Conductors# T' J) `( x9 m, T+ r* n8 Y
4-000 Scope
% s Z9 S* u2 i9 b4-002 Size of Conductors: 14#, 12#
8 \$ t2 w* D3 T2 ~, p4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
5 P! r3 l, J- W. H( f5 b4-006 Insulated Conductors: Table 19% i7 x8 K# T5 `; L
4-010 Uses of Flexible Cord: Table 11 F7 R) T: T2 m v) z5 u) }+ g. K X
4-012 Sizes of Flexible Cord
" e" |, H5 x5 w% o) x, q; ?% f" N4-014 Ampacity of Flexible Cords: Table 12
$ o! p5 V+ m4 y, Z2 {. n* q2 y7 X' b4-018 Equipment Wire# D5 Y2 |+ M7 t! g9 G w+ @
4-020 Insulation of Neutral Conductors, I g% U) R7 ]8 I4 J
4-022 Size of Neutral conductor( N$ @1 |- m# r, Q
4-024 Common Neutral Conductor8 e$ X) h$ L- G
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum& D3 M3 D1 q) A1 x7 K
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
* o& ^& T/ S' V4-032 Identification of Type MI Neutral Conductors3 Y h# O/ W9 k: O& H& n6 R
4-034 Use of Identified Conductors
2 T- \1 B9 A2 U2 z4-036 Colour of Conductors: Phase A, B, C, …+ H/ i" K8 d+ S, w% N% [) e2 r
" t! T/ L" {% e; H( `Section 6 Services and Service Equipment
3 _. f2 W) S _) h) sGeneral) m) X8 l! Y' J0 a' ?
6-102 Number of Supply Services Permitted7 Y1 z5 D$ W0 V t! y
6-104 Number of Consumer’s Services Permitted in or on a Building6 W' T" i* w9 s o* Z4 [/ L
6-108 Supply Service from an Electric Railway System
8 Z* {5 G) I, v* R- r) m6-110 Three-wire Consumer’s Services ) B. t% k; S2 C# O. y3 D+ L
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
& ?0 c+ e" }: h8 m$ U6 [! ~% Z% K6-114 Methods of terminating conductors at consumer’s service
8 I& l& N& D8 L; Y0 y% n3 x6-116 Consumer’s Service Head Location
7 K- S- a# u) v' l# p: I/ KControl and Protective Equipment9 O, j; H$ U3 r7 k/ K
6-200 Service Equipment
+ ~9 [( o6 C6 O! w/ p2 D' \6 b1 ~ s6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)0 f! A. J |! O$ ?# N/ [
6-208 Consumer’s Service Conductors Location
- K; ~% x- I. p: U7 ?5 O1 I6 o6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches X) h; G. W# r# I/ q+ U6 B
6-212 Wiring Space in Enclosures$ [9 g y% I2 ?+ W7 f
6-214 Marking of Service Boxes* m, m0 n' X$ i: ^; _
Wiring Methods0 ^0 r. o- q* F3 ~& S- A
6-300 Underground Consumer’s Services
% [; G' J1 d4 y6 Q0 L0 @6-302 Overhead Consumer’s Service Conductors
% L5 f+ W6 I; Q0 n1 ~& k6 t0 [6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable4 I& V7 _5 @! M3 j6 _
6-306 Consumer’s Service Raceways
( A: H& G* ?" L/ \+ o$ `6-308 Use of Bare Neutral in Consumer’s Service- N& d& q( g* m% }( a8 \
6-310 Use of Joints in Consumer’s Service Neutral Conductors
0 W) U1 e% i$ g* c) h; j' c7 \6-312 Condensation in Consumer’s Service Raceway
; L* K$ b( P2 F- O1 c7 gMetering Equipment/ ^6 [9 B3 G' C' ^
6-400 Metering Equipment$ ?$ V( ]. u" V8 L @0 }1 O
6-402 Method of Installing Meter Loops8 r+ }4 s/ F1 p" |7 X( Z
6-404 Enclosures for Instrument Transformers
! p$ Y* A& [: l: U0 z6-408 Location of Meters
+ h9 p$ @5 @! h, ]& k9 |0 Q3 Z
Section 8 Circuit Loading and Demand Factors
. p) N0 s$ @3 gGeneral" k8 F' Y, J6 ]( L! o
8-100 Current Calculations) E9 q! q3 _& S6 d6 l
8-102 Voltage Drop ( see Appendix D): `. A4 C3 Y: ~1 c. {
8-104 Maximum Circuit Loading
4 ^1 d! O% |* W) k8-108 Number of Branch Circuit Positions
1 j4 t& j S& K1 S( k3 Y8-110 Determination of Areas
5 I* Y r6 V" ?- i! O: S- V/ qServices and Feeders' x& Y( W. P7 W" x# r n
8-200 Single Dwellings (see Appendix B)
: p b: q& f. J% U0 O) B0 q& p8-202 Apartment and Similar Buildings" u+ [ W2 l6 p3 T' I4 |7 ?- x: Y
8-204 Schools- x* t& A4 s: F# ~
8-206 Hospitals
- i6 C: |) Y; V- t8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
* o7 p3 k$ ]5 {; w9 t( y1 ~4 F8-210 Other Types of Occupancy (Table 14)$ X K; Y3 x/ ^2 `% D
8-212 Special Lighting Circuits) Z" K% ^2 |! I# A6 N3 z
Branch Circuits3 i5 {3 [2 X& j
8-300 Branch Circuits Supplying Electric Ranges
9 @7 u- f3 ]. r" h8-302 Connected Loads
: h. n1 |- [$ R m# n4 P, {8 `( v9 X
Section 10 Grounding and Bonding
. X, L- _) N$ g* J: W" o$ @Scope and Object4 u* D0 \ e M6 W1 A
10-002 Object
0 |- }9 A6 d+ a# PSystem and Circuit Grounding
5 y3 d+ l$ Z; w/ C10-102 Two-Wire Direct-Current Systems
8 i& D4 Z) X6 U0 l" e# R10-104 Three-Wire Direct-Current Systems
! u7 ^7 r: X# o- k4 w10-106 Alternating-Current Systems
+ ?) v" L2 ^- z: t# x; f5 x! R# n10-110 Electric Crane Circuits) Y* I9 s, N9 b# l% n8 \6 V& Z% R( H
10-114 Circuits of Less Than 50 V2 y0 v* _- Z4 O* g6 ?
10-116 Instrument Transformer Circuits
9 D- f/ f7 S$ Y$ l! m4 E! I3 x- D3 BGrounding Connections for Systems and Circuits; e! N1 M, _0 H, N
10-200 Current Over Grounding and Bonding Conductors+ W- b$ f$ L R! w5 @
10-204 Grounding Connections for Alternating-Current Systems% ^8 h' D5 ]% E6 r* o7 t: ?
10-206 Grounding Connections for Isolated Systems
* ~$ G7 k0 i4 y! Z10-210 Conductor to be Grounded/ w/ i( P5 g$ ~/ u) h3 h
Conductor Enclosure Bonding( O4 d* M( c* M) g1 ^
10-302 Other Conductor Enclosures
0 I4 o! U x. W% }1 O7 CN 10-3046 r1 @( x3 M! o; O; \& q
Equipment Bonding
( L* y% T2 L, q, Y/ U10-400 Fixed Equipment, General
2 I* t: D7 L/ B: I& S; {10-402 Fixed Equipment, Specific (3), (4)* ~. c4 _$ U6 @) w
10-404 In Nonmetallic Wiring Systems
* ]/ q2 c1 L9 S4 A2 r9 u10-406 Non-electrical Equipment
4 ^" X5 a+ x+ z2 A% M10-408 Portable Equipment (4)(b)8 z9 \/ O: e( v3 z4 L: K! u& o3 S
10-410 Instrument Transformer Cases
, z9 t- Q! }( A6 k, y10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
7 Q0 F1 @0 I7 U' ]6 s& b7 c' ~& e3 b' G10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V( u" a/ _9 d) `
Methods of Grounding
X$ w: K: n" H% d8 P/ P10-500 Effective grounding (see Appendix B)
; N- [0 }) g! r( A/ }1 L10-502 Common grounding conductors7 z ~* ]8 F8 s; O8 }
10-504 Common grounding electrodes
3 s8 f* q/ @) y* O- w, l/ cBonding Methods2 ^1 d# ]8 r- N1 i# { J( U# j
10-600 Clean Surfaces
% p3 Z( z! m6 W2 S5 J ~10-604 Bonding at Service Equipment% B: x2 a( w$ J$ m7 o
10-606 Means of Assuring Continuity at Service Equipment
0 r7 I" P7 ^& p) u2 G10-610 Bonding at Other Than Service Equipment$ V$ s) r2 [0 A' o7 t p
10-612 Loosely Jointed Metal Raceways
, @$ b9 x3 M" j+ ?/ N, o0 `10-614 Bonding Jumpers Table 41' o1 }) s' H3 ]8 V, v; Q5 a
Grounding Electrodes5 K% A: h Z' B' R
10-700 Grounding Electrodes3 b! E! i: }3 F1 a+ N" W& F* f' J( Q8 x
10-702 Artificial Grounding Electrodes* u& U6 n2 ?* F, R4 X' `( z- w
N 10-700 & 10-7029 C% W$ k& W9 a5 @; r3 r
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
* o! t$ E0 S, {4 K2 {- pN 10-702- X5 b: s1 n+ o8 z
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding% D8 L; T; e; x: f$ X+ D
N 10-702, ~/ o! p1 O) J0 C: G
10-710 Use of Lightning Rods (Appendices B and G)5 g9 o/ n4 _# Q/ n
N 10-706! ]! A' s! S6 A* g
Grounding and Bonding Conductors4 {' S: r$ C: U4 O3 g' r
10-800 Continuity of Grounding and Bonding Conductors f& @( p- [ n. H2 ^: v1 ~
10-802 Material for System Grounding Conductors
% c- E1 i( R# v* `& J( H10-804 Material for Bonding Conductors: @1 V3 [0 \# O- S0 x/ ^
10-806 Installation of System Grounding Conductors' ]% \$ n* m/ W$ ]( @% u
10-808 Installation of Equipment Bonding Conductors
- m- a% e' ]" F10-810 Grounding Conductor Size for DC Circuits2 @5 M) y: R9 ~0 A! d+ c6 o5 E
10-812 Grounding Conductor Size for AC Systems (see Appendix B)1 }0 h9 Z) K" C0 m
10-814 Bonding Conductor Size (Appendix B)! R6 h9 G4 _$ E& _* w) y
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
1 ^* W% Y1 c( G2 o+ I10-818 Bonding Conductor for Outline Lighting
2 p% ?1 \" ?5 L+ C) a1 {& O! h6 L' J10-820 Bonding Conductor Size for Instrument Transformers
t. t6 E; q& O5 ^4 pGrounding and Bonding Conductor Connections' y( t* z$ p" T: A- ^) j6 h
10-902 Grounding Conduct Connection to Water Pipe Electrodes
0 K* V8 ^! ^+ z2 M4 a* T# A0 v10-906 Bonding conductor connection to circuits and equipment" E$ j. |! S% V
10-908 Grounding Conductor Connection to Electrodes
# r* \+ ?$ H, ~5 w$ m" ^3 ALightning Arresters
9 [# C* o# }( x, H7 h6 J Z$ I5 z! J10-1000 Lightning Arresters on Secondary Services – 750V or Less) e$ x& @9 Z2 b( n8 k% I/ K) q9 [" P
" W6 T J6 P& S6 I0 a$ _Section 12 – Wiring Methods9 b9 U( g ]5 V, \+ l4 U% f
Scope6 R% E1 z9 o$ S# m5 z! g
12-000 Scope (Appendix B)
$ L6 k+ @2 `" V9 a( nGeneral Requirement
& ]6 K1 j T. u% |% w! T12-010 Wiring in Ducts and Plenum Chambers
1 Q, H5 p- N# T3 e12-012 Underground Installations (Appendix B)
, _8 I7 E5 [+ E1 b) u* P3 E12-016 Lightning Rod Conductors
5 }$ h0 z' \3 `3 \# ]% vConductors - General
' O0 X4 O" T8 s6 m' U& M" D12-100 Types of Conductors (Appendix B) Table 19
9 D9 Q/ W) g. @9 c7 {6 D8 u12-102 Thermoplastic-Insulated Conductors) L- r$ K# P, r5 } n
12-104 Flame Tested Coverings& d- A# [: V' @/ n
12-106 Multi- and Single- Conductor Cables
* ~+ G* i' b" A6 ^12-108 Conductors in Parallel (Appendix B)
& [- g/ t! u* T+ }+ |1 r12-112 Conductor Joints and Splices
* S# ~9 h! C. Z3 d4 a12-114 Ends of insulated conductors; ?$ a3 M1 S5 L, {
12-116 Termination of Conductors (Appendix B)" g7 A' n- `% i" i! M4 e4 ]
12-118 Termination and Splicing of Aluminum Conductors3 z8 s0 \# T- K% @
12-120 Supporting of Conductors - Table 21) q, ~0 ~( s; F! L
Open Wiring
" P9 _) Y; H& {: j8 k12-204 Spacing of Conductors
& B R7 @- C, ^# f12-206 Conductor Supports
# d \) W9 |5 j% V9 J12-208 Conductors on Flat Surfaces. R' Q9 H2 O3 X3 b: B0 r1 K
12-212 Protection from Mechanical Injury- ]4 O& p& M0 [
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
1 L2 }# |( x1 ?) i6 w$ d12-308 Minimum Size of Overhead Conductors
% y( O. g1 M5 Q12-318 Use of Neutral Supported Cables
, c. ~, x0 j I0 c" L, `Nonmetallic Sheathed Cable
) I8 j4 I; \) a) n4 {12-502 Maximum Voltage
6 [* r: S$ f! z12-510 Running of cable between Boxes and Fittings (Appendix G)
8 Z- o7 b0 C: R8 f/ @4 d* U12-514 Protection on joists and rafters: c$ F# @8 d; N q4 V4 d; |1 r
12-516 Protection for Cable in Concealed Installations (Appendix G)
- J! p. o- U# m) j0 \12-522 Where Outlet Boxes Are Not Required
& Y8 |. S' {6 S/ n# jArmoured Cable
; m } h# ?: B- x* {. B# I! B12-602 Use (Appendix B)
3 O3 h# C7 p" c: X v5 O" i# t12-604 Protection for Armoured Cables in Lanes, [/ U) D% P* M
12-606 Use of Thermoplastic Covered Armoured Cable
8 X3 H p8 Q, J# v12-608 Continuity of Armoured Cable. G$ @$ E, X' b, K& W
12-610 Terminating Armoured Cable
. Q) i: W* G/ i' }7 F9 u, P12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
t4 @: E& d% q" ]" Q+ y12-614 Radii of Bends in Armoured Cables+ }( {6 d+ p! l* O7 p) Q) [8 Y
12-616 Concealed Armoured Cable Installation
4 P; H4 E% d. ]! c( R3 Z* d4 K; p12-618 Running of Cable between Boxes, Etc
- H6 V" i0 m: i/ T! |7 TMineral-Insulated and Aluminum-Sheathed Cable; U& Q7 y7 j9 w1 | a
12-702 Use
- @4 m0 M0 U* X$ T12-704 Use When Embedded
3 R; b0 s" f! `! j" _12-706 Method of Supporting/ j0 M: X6 u0 b4 ^' f/ r' k# F
12-708 Direct Earth Burial9 g5 k* m; l" X+ |
12-710 Mechanical Protection# Q, t' Y/ w6 Q: H j
12-712 Radii of Bends% F% t6 s) Y3 t( t/ O
12-714 Termination of Mineral-Insulated Cable (Appendix B)
# T1 Y# p H' ^& H2 Q: S6 p% L12-716 Connection to Other Forms of Wiring6 R* b. G* h4 X D4 Y
Flat Conductor Cable Type FCC" o, j- A5 u% U/ A! \
12-804 Use Permitted
0 W% I2 w# |1 i2 \! ^( F& y' r# I12-806 Use Prohibited0 s% D/ i( _) I: |+ u: _
12-818 Anchoring7 g& u: @1 _8 \/ y; q0 U
12-820 Crossings
1 _% j: X7 |+ |/ f5 f' K+ TRaceways - General
$ _% z% _5 R2 N% F) g! r+ P3 M12-904 Conductors in Raceways9 S, }* P* H$ e9 i
12-906 Protection of Conductors at Ends of Raceways8 x6 P! U o! L
12-908 Inserting Conductors in Raceways- ~8 D1 {! p/ W2 J( A
12-910 Joints or Splices Within Raceways7 f q1 f8 ]6 J" j% i* k q
12-912 Stranding of Conductors
/ m5 |1 L% q2 I+ R12-914 Electrical Continuity of Raceways
4 K7 s, B7 X8 h( e12-922 Radii of Bends in Raceways; ?- j! d+ u o8 E' u
N 12-922 Radii of Bends in Raceways Table 7
/ N1 p8 M$ o' D/ Z12-932 Protection for Raceways in Lanes
2 d7 o, f2 F! @12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)7 ?; Y- V8 |3 ^0 I
12-938 Capping of Unused Raceways$ k+ T$ l& g, z
12-940 Maximum Number of Bends in Raceways
2 Q4 C4 F8 _+ dRigid and Flexible Metal Conduit ]* h/ ~, o& D! ~
12-1002 Use6 [. X( v9 z& D2 ~& Z
12-1004 Minimum Size of Conduits1 a$ X7 m* N4 r
12-1006 Conduit Threads (Appendix B)
# U4 u* B2 A6 a5 a12-1008 Thread Engagement
: ^2 ?) F0 N. P4 j- C/ V8 h8 t12-1010 Maximum Spacing of Conduit Supports3 `# ] g: |; S9 |# ~
12-1012 Expansion and Contraction of Conduits (Appendix B)8 }! B, Z0 q0 u; }( n ]( w6 u
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
; g6 a. _- a0 H8 YRigid PVC Conduit and Rigid HFT Conduit! ]. Z, H8 x4 o
12-1100 Use
8 d) q/ `" Q2 i; W$ M* ]0 x6 z12-1102 Restrictions on Use
1 |0 l! l4 q- I7 ^4 [" f12-1104 Temperature Limitations (Appendix B)
3 u- i$ R, q5 f4 M12-1108 Field Bends (Appendix B), (2)
; \) A1 W* t; B7 u12-1110 Support of Luminaires' {5 s$ j& v2 n( f$ A: k4 y
12-1112 Fittings; N4 T1 R# t2 O7 {7 w4 G h
12-1114 Maximum Spacing of Conduit Supports
) Z* e$ V( ?) e1 ]* m( z" f12-1116 Support of Equipment
+ v- W& n' x: \/ G: i12-1118 Expansion Joints (Appendix B example). h! y& Y0 b3 G! d6 ?* R3 {, g
Rigid RTRC Conduit
* |8 A" D1 d1 L3 ]12-1210 Temperature Limitations8 }! U: _) E1 F- j E c
12-1214 Expansion Joints (Appendix B)
( `6 k" B) h+ }# V: u0 }1 `; PLiquid-Tight Flexible Conduit+ X+ R$ K- z& h' l5 ^( T' C
12-1302 Use of Liquid-Tight Flexible Conduit
& d7 ]: o, |/ D! t5 n7 R2 d12-1304 Maximum Number of Conductors1 f+ @* a+ B( a' U N# @9 ?+ D
12-1306 Provisions for Bonding& V; G4 t# i2 p1 X$ H* Z# d2 k
Electrical Metallic Tubing
3 @ ?2 Q& v; U8 w# g12-1402 Use
! t5 i, b: K! N: j& K" E# z12-1404 Supports5 |3 K- |% w. O5 v! r
12-1406 Minimum Tubing Size
i O" }$ V' f, i# I12-1408 Maximum Number of Conductors9 w1 N2 b. z" s% P4 `* n
12-1410 Connections and Couplings
4 [" t. w/ d0 m% _$ w" ?12-1412 Radii of Bends in Tubing
9 N0 m+ a0 A. s( j1 TN Table 7, D' d' C! @2 ?
Electrical Nonmetallic Tubing: x. j( D' a8 Q ]1 Z0 z" \
12-1516 Provision for Bonding Continuity
! o+ t# ~+ l+ m0 j+ G; wN 12-15143 b, L5 `3 y* i# c* `$ B
Surface Raceways
( g) c# _( N6 F( ]; J& a2 T12-1602 Use of Surface Raceway (Appendix B)9 I' ]0 Q( e# ^# y& Z- w8 @$ i7 W( ?
12-1604 Temperature Limitations
) [4 {- v9 a$ N2 J: e. q9 @12-1606 Conductors in Surface Raceways (Appendix B)
- T- G7 Y6 w5 r12-1608 Maximum Voltage# b" m3 J+ a5 i# U/ w, v
12-1610 Joints and splices
7 v, K( K8 d( C, fUnderfloor Raceways m3 X/ k d; O- ?/ d+ K/ I8 ]9 x
12-1712 Discontinued Outlets in Underfloor Raceways/ C6 [( y; p T# p, Q2 c
Cellular Floors: g# t- C. a3 ^( J/ i
12-1804 Maximum Conductor Size in Cellular Floor
0 G& w8 c6 a( H1 Y6 W$ n0 ?12-1820 Cellular floor discontinued outlets- H% m# V2 {' ?$ @
Auxiliary Gutters. v# f! |8 r: q" n4 M" B! z* S3 g! I
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces6 o. E" V9 B% {& L( B" B) m
12-1902 Auxiliary Gutter Supports; P' Z! K1 m0 z0 H
12-1904 Auxiliary Gutter Cross-Sectional Area7 s0 {7 \7 M- X
Busways and Splitters$ R8 t" M& w; K4 v
12-2004 AC Circuits in Busways and Splitters
6 |' G8 w1 Z. f1 w+ }, K: D0 |6 d* H12-2006 Busway and Splitter Supports
' n7 j1 w3 p$ N12-2008 Method of Installation of Busways: _: v- k3 G( c% \# u( ? ~3 @+ h; D
12-2012 Reduction in Size of Busways7 [1 O6 I# y0 g
12-2014 Length of Busways Used as Branch Circuits5 S/ D) P ^. U# _ [2 b
12-2018 Taps in Splitters
& v) s5 T& l5 ~; j- N6 J, SWireways3 Y4 g8 q% w$ d
12-2104 Conductors in Wireways
U! e4 \0 q" h8 O12-2106 Taps and Splices in Wireways
) X3 C4 @4 G3 \0 Z- P4 u3 d" D2 g Cable Trays
# X- M# R& z, t5 J, L- [5 R4 [* I) k12-2200 Method of Installation (Appendix B)
9 \3 y" S5 l& ~/ w% w: h12-2204 Joints and Splices Within Cable Trays9 A, R9 A: e# r$ P; i% I: n
12-2208 Provisions for Bonding# B6 m* B/ ~: v6 w6 {9 F' ~+ g
12-2210 Ampacities of Conductors in Cable Trays
1 P- a6 q0 U1 t. hInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
) D6 F- U' g/ K, q12-3000 Maximum Number of Outlets Per Circuit+ o1 I& ?; z- g1 [0 ]
N 8-304/ v2 v* f3 @3 p( G$ O+ v( M! y
12-3002 Outlet Boxes (Appendix B)( s; x' P" m9 N. Z
N 12-3000, Y; o3 V x% `! d1 a: z0 S7 F
12-3004 Outlet Box Covers
G8 t) O/ h- t2 s3 ^# C3 BN 12-3002" d2 C4 R: x$ z _7 G8 \
12-3010 Boxes in Concrete Construction. `" n6 o" ]+ O& p+ x
N 12-3008
% X$ z3 w5 u6 y; [7 ~12-3012 Outlet Box Supports" \ L. T( v" D: w: P
N 12-3010
2 K4 O$ {0 Y; U3 q( O12-3016 Accessibility of Junction Boxes' M( x+ S" H) k
N 12-30149 R+ \/ W- k$ F
12-3018 Flush Boxes, cabinets, and Fittings
6 a* f% c2 z8 G4 f' F% E1 rN 12-3016
/ e+ A9 D9 J6 S12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
0 Y7 I4 U" ?# Y8 @; ?& @4 mN 12-30224 O2 _5 h" P/ N
12-3036 Maximum Number of conductors in a Box - Table 23# d# c5 o% y$ n" y6 o
N 12-3034
" k. a/ W, V3 M5 N% z3 X12-3038 Pull Box or Junction box Sizes
9 n" T3 h8 J% f' p) k- ~* i. EN 12-3036
9 e9 m! w3 w& p O4 Y4 W- u
7 g0 }4 F: b" j" E- X' RSection 14 Protection and Control
+ `. |# f+ @$ M# tGeneral Requirement
# N$ I: A5 B; R# C14-010 Protective and Control Devices Required
$ n* a* o. e6 \14-016 Connection of Devices0 l, |# s( I1 q0 i
Protective Devices – General
, B3 x' o" d7 }: O; J8 ` 14-100 Overcurrent Devices Required+ W( G y2 p3 w" C) q7 A
14-102 Ground Fault Protection (Appendix B)
. m1 \4 r, q3 A) }2 R5 c14-104 Rating of Overcurrent Devices (Appendix B) Table 13
4 ^+ I v* ~5 w6 q! }14-112 Overcurrent Devices in Parallel" S% z) f+ M2 O, e' D9 m
Fuses
2 v7 p; S8 [* V+ p' E14-200 Time-Delay and Low-Melting Point Fuses o/ U- Z1 D% `' |1 b& J
14-202 Use of Plug Fuses
3 _- ~, ^: d2 Y: I8 H0 B3 a8 p14-208 Rating of Fuses
2 D+ \+ C! k) Z: Y3 w/ }14-212 Use of Fuses (Appendix B)0 J" m8 H" V, X
Circuit Breakers6 p: Y }- t3 ~- Y- u8 a4 L
14-300 Circuit Breakers, General
d5 @; L5 j6 s% g14-306 Tripping Elements for Circuit Breakers
3 a& h3 p/ D! d3 T& g14-308 Battery Control Power for Circuit Breakers
- P4 E* p W4 h4 RControl Devices - General* G; F& g+ |4 @7 I- t8 [
14-402 Disconnecting Means Required for Fused Circuits
1 s, j. |, U- `; _5 G, Z AControl Devices - Switches
0 Z# J/ ^8 i6 N14-502 Mounting of knife Switches0 Q4 G* x# p/ U
14-504 Maximum Rating of Switches8 b3 V$ Q" D9 N5 w9 ~
14-508 Rating of General-Use AC/DC Switches (Appendix B)
6 G1 c; m3 d. S; Q ]5 Y; U; t0 t4 T! f14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
0 t' N2 a1 @; A$ ASolid State Devices1 b+ _5 G' ~- w$ }# [0 r. ?. Y4 p
14-700 Restriction of Use
3 M4 e$ e1 H' C14-702 Disconnecting Means Required
$ }9 X- V2 b- O. Z1 b+ l+ @' ~& r1 U' r* Z( l
Section 16 Class 1 and Class 2 Circuits" R3 b0 N$ k$ y, r; r: d
General
0 j6 L/ P$ \: V p2 z. H% y16-004 Class 1 Extra-Low-Voltage Power Circuits3 {3 ^$ V& s. l0 y* H- n1 k
16-006 Class 2 Low-Energy Power Circuits& V2 [, h; k( f6 d" J8 U
16-012 Circuits in Communication Cables% C5 O* T0 e. n9 w% y
Class 1 Circuits. q+ ~6 M9 C% E3 Z0 z8 P& W! G
16-100 Limitation of Class 1 Circuits
) d! l+ ?- V. P: h6 u( d- Y16-104 Overcurrent Protection of Class 1 Circuits" H( A# |; t+ h7 P( D% @: Y
16-106 Location of Overcurrent Devices in Class 1 Circuits
( f4 P+ `$ i2 a# z% f. M16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers: j9 R) J6 _2 f2 x& D
16-110 Conductor Material and Sizes- g" Z! S0 F: |& T1 p: ^/ u
16-112 Insulated Conductors for Class 1 Wiring
q; ? a9 @7 [0 S. eClass 2 Circuits; ^' t) G7 K- G& C
16-200 Limitations of Class 2 Circuits (Appendix B)- v2 D! u6 D) @" ~! h6 @# J9 u+ T
16-204 Marking4 w# q9 D, g* ~) I' B
16-206 Overcurrent Protection for Class 2 Circuits
& ^! a" a6 |; x/ v1 r- m16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
" B& s- }0 I3 p- l- H; v: J$ \' IELC: extra-low-voltage cable( d) c0 e( B% i/ m
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
! x# `7 u3 [/ d+ Z9 ]# u. Q% f2 k5 @9 }
Section 18 Hazardous Locations# C3 m Q& }# U
Scope and Introduction
* E, b% o" @$ i e$ F: [18-004 Classification9 | b0 D# Y% ~# F
18-006 Division of Class I Locations (Appendices B and J)9 b. P2 g+ N$ d3 p" A; Q1 v9 m- r
18-008 Division of Class II Locations (Appendix B)
" c) E4 z0 M. j1 i, D, d7 r7 D+ e: Y18-010 Division of Class III Locations (Appendix B)
# T3 G, I) y7 f2 ]& U9 Y& I! |General2 s! c, a% X, N- N* a4 O
18-062 Metal-Covered Cable (Appendix B)
0 y, K. ~& e, }- `Installations in Class 1, Zone 1 Location
7 B! N) Z+ T: H# g# Q" E, c# g18-108 Sealing, Class I, Zone I (Appendix B)
% o6 G4 |- T1 O- f# m6 o0 P% Y8 o1 [* \5 Q# }5 T- r
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars; P0 E- j/ D2 ~& q
Gasoline Dispensing and Service Stations f$ @3 L) |7 j0 o5 ~9 m5 g6 J
20-002 General
" j4 L) q2 {+ I2 I- X' G5 w Y20-004 Hazardous Area (Appendix B)
! Y. c. ]' L4 E& O! g5 {* i: fPropane Dispensing, Container Filling, and Storage/ }4 W5 Q* ~. y% [( Y
20-034 Hazardous Areas - Table 63
" e' X4 a% b" j' o+ N' R! WCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
) d8 o6 v T3 T20-062 Hazardous Areas
. _2 A# \5 _/ E1 ZCommercial Garages – Repairs and Storage' U& J2 G$ s; F7 g4 ^9 {. p7 c+ _
20-100 Scope5 o. ?0 X& B: a: Z
20-102 Hazardous Areas (1)
5 S* C- w8 v" A' o+ `1 @( r, n, C
Section 24 Patient Care Areas- n: u) Z0 n v! `: g4 |
24-000 Scope (Appendix B)
- S2 \( V; i/ I% r6 ^" n5 ?24-002 Special Terminology (Appendix B)
# A% L) Z9 a4 Y$ d Patient care area' h2 ~* I& \0 J! v+ o5 N% ~
Patient Care Areas& _& U9 \3 h* x% Q$ R+ y
24-106 Receptacles in Basic Care Areas (Appendix B)5 o/ U7 {5 ~0 u8 `9 ^5 P
Isolated Systems
% }' Q; g$ T7 C24-204 Single-Phase Isolated Circuits (Appendix B)$ s$ _ y) [5 C1 Y6 J. c$ U/ u V
24-206) L$ k& v; N! `$ x; p, U7 K
+ p: f7 ?. [0 b5 M! c5 t# T) y0 l
Section 26 Installation of Electrical Equipment1 E0 k& N7 ^, V8 b" k
General
6 ?& m' t4 P+ M, v26-004 Equipment Over Combustible Surfaces (Appendix B)# `* I! u% F1 g, k( y) H2 n7 r: v
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G): O+ C" q! P$ B9 W0 m
Isolating Switches
: e& n5 K9 A* R3 [ b26-100 Location of Isolating Switches
" b( o, g- k' O. X8 I' M) aCapacitors7 z( w2 m% r) Z9 K9 d6 n, a
26-204 Guarding of Capacitors
) I5 f m; a- Y3 z26-206 Grounding of Capacitors$ N: ]' C' a; A; y9 ? E
26-208 Conductor Size for Capacitors
6 r. ^- i$ }- s8 s" k) D26-210 Overcurrent Protection (Appendix B)
5 }2 r' X4 M6 m" J2 _1 h- [. j5 C26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
& {0 g) t" M5 |1 l26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits2 B! C8 g2 a# R3 @( L+ a: v) W: V& Q. F
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
0 \9 g8 e6 ?, I3 P6 |# D26-218 Special Provisions for Motor Circuit Capacitors
: G1 N4 X3 b2 I/ l7 o2 Y8 [! T26-222 Drainage of Stored Charge of Capacitors
- R/ X* i/ g6 [5 V& V& O" H# `Transformers
# t7 e* }4 [4 r$ l6 K$ M8 L26-240 Transformers, General1 \3 I* {/ v# O% Q' A: h
26-242 Outdoor Transformer Installations
5 K8 y+ D8 i$ Z1 P* r1 F) Q26-244 Transformers, Mounted on Roofs (Appendix B): u2 S; ], {6 w- c4 d' B5 j9 w
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
p9 ?1 s$ _' ?' \& X: T+ d26-248 Dry-Core, Open-Ventilated Type Transformers
/ v9 i; m: X7 s. i* d26-250 Disconnecting Means for Transformers. Y: {8 _, r2 t. n9 T# W
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V' S- N. C' j+ @0 E$ P7 [% Q& f
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
/ e) x3 F$ k' `: z+ h W26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
t/ ~! p' D" K5 Q' U8 A26-258 Conductor Size for Transformers
9 P" J0 ~) n* ]- b; ~1 H26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)$ O8 i P# T- P/ W& Z) `* o
26-262 Marking of Transformers/ @3 K) j6 n3 b( L9 h( I
26-264 Auto-Transformers
: F+ `& c! P4 s4 F8 c% v. ?6 CFences% L4 s+ c7 ^ Q2 P9 O$ f
26-302 Clearance of Equipment - Table 339 d+ ^1 g) g2 c! k3 d
Panelboards1 h+ r/ g/ n& ]3 \2 T" ]# n- [1 C- y6 ]
26-400 Panelboards in Dwelling Units (Appendix B) R* u. I3 N* O; _* N( V
26-402 Location of Panelboards (Appendix G)
- d) l- \6 R3 |5 X CLightning Arresters1 u( F* E1 Z5 J. q
26-508 Connection of Lightning Arresters* B% w+ `$ U) x. t
Storage Batteries4 ?5 H! G/ {* G: I0 o: ~
26-542 Special Terminology
# K- U( X7 I5 ~9 X D26-550 Battery Installation
9 \$ p: C8 G1 Y, |& j P26-552 Wiring to Batteries |1 O4 s- K) R3 w/ y1 [
Arc Lamps
! \( s+ U0 Y# Q/ L. Y2 U26-600 Location of Arc Lamps
& R' \& C: N8 t l8 o0 \" N26-602 Conductors to Arc Lamps0 y! a# h5 h1 n4 x+ o
26-608 Globes and Spark Arresters+ O+ h6 {7 V' z, @# v
Receptacles7 J2 A. L s# Q
26-700 General (Appendix B)
( t" N9 C3 x; |$ v26-702 Receptacles Exposed to the Weather( Y- U, l1 k4 q0 H8 A: V: O$ a
Receptacles in Residential Occupancies% H0 m1 M% v: `$ X4 [5 |7 _% o
26-710 General (Appendices B and G)! L4 |3 i* c. K: \7 s) a
26-712 Receptacles in Dwelling Units (Appendices B and G)0 _+ X# D- I; V2 _2 G2 A
26-714 Receptacles in Single Dwellings (Appendices B and G)
% r# Q6 Y! z0 r# ^; YBranch Circuits in Residential Occupancies% ?7 [% v$ A7 _9 \6 O
26-720 General
/ t( h0 \( U+ O; k26-722 Branch Circuits in Dwelling Units
4 `' B- }& ^$ g$ _4 k' d3 q26-724 Branch Circuits in Single Dwellings
0 E# |: u J3 S+ W6 `26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)8 ~" u- {) G/ {* O8 L5 ]* X
N 26-720 (F)
- N8 h& ?4 s# s1 y6 f: Q7 TElectric Heating and Cooking Appliances8 T% l1 f5 K4 {3 t
26-744 Supply connections for Appliances) R) o5 S6 q6 Y, J/ [/ i4 l
26-750 Installation of Storage-Tank Water Heaters
4 E8 G4 y& `0 d( ^ w# h& o26-752 Infrared Drying Lamps8 e3 _! m6 X; H
; A# [- {2 J9 n2 c/ L
Section 28 Motors and Generators z! u$ v H9 ?6 Q* D# {! i
General
- [, U t+ @; r& l1 e28-010 Special Terminology+ f$ }7 n* r, Z s) e
Hermetic refrigerant motor compressor4 \! W- c+ N+ g" I$ e$ l: E4 c
Locked rotor current rating9 s% L) U" h9 X, ~) C
Service Factor
$ L: ^/ O+ g- `Table 44; Table 45; Table-D20 R6 Y! U: W) Q9 e& z' g
Wiring Methods and Conductors
5 W% ]5 Z- C, f8 L- a# Y+ A; g28-102 Portable Motors, d9 j; P. {3 o. z( r
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
. D$ p% |* C8 \4 Q& `3 Q28-106 Conductors, Individual Motors) j+ L, R( s; `: ?+ \4 T j7 B. j8 e
28-108 Conductors, Two or More Motors
+ o. s) ^; b3 u+ N7 Y! d. [5 A28-110 Feeder Conductors4 X" w" S* [* R: ?$ v% [) Y
28-112 Secondary Conductors4 {9 p2 S' A9 Q; H! `+ S1 A/ G) m
Overcurrent Protection
3 _ h. h+ o- s# L3 |28-200 Branch Circuit Overcurrent Protection
/ ?- C) Z+ t! C28-204 Feeder Overcurrent Protection
& p% X7 \+ G J28-206 Grouping of Motors on a Single Branch Circuit
6 F+ L$ A4 z9 {2 Z1 ?/ A3 G# \ A28-210 Instantaneous-Trip Circuit Breakers (Appendix B)" B7 n3 _( i7 _( f% v
Overload and Overheating Protection$ Y2 a' z0 O5 v6 q
28-302 Types of Overload Protection
$ B+ _( j5 w, M" f2 m6 Y" c28-304 Number and Location of Overload Devices (Appendix B) Table 251 j, N3 M" g6 w o" l
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
# L3 W% H% f6 D1 ~28-308 Overload Protection Not Required; K9 Z% `, Q6 Y" J# b0 G8 @
Undervoltage Protection & \( t6 Q6 v9 N1 E0 \7 [, |
28-400 Undervoltage Protection Required for Motors (Appendix B)4 R1 z. \* `4 a1 w% f, Y
Control
7 B }1 v! h; s28-500 Control Required4 ^1 b' b8 L! x( F- N
28-502 Control Location
7 s9 q) C9 o* B, l28-504 Starters Having Different Starting and Running Position
U( m5 c& D, c. R Q, _' A6 d( K# N28-506 Grounded Control Circuit
1 i1 ^! e3 S# X0 n$ M7 ADisconnecting Means# V% c: L1 v! |9 X! h/ d; Z
28-600 Disconnecting Means Required6 N3 }: \& ]8 h
28-602 Types and Ratings of disconnecting Means (Appendix B)
* Z/ W$ \4 o& y% d28-604 Location of Disconnecting Means
" u4 r9 X3 d3 X) H& Z. b. ^. S2 l8 Q Hermetic Refrigerant Motor-Compressors
! q% {7 w# k* z: u+ {: F% W. q9 Z28-706 Conductor Ampacity: l3 H2 ~8 X( T
28-708 Overcurrent Protection% B- {$ _/ y& l1 M
28-714 Disconnecting Means
" S) [' B, w+ j' `0 }* t# A; xProtection and Control of Generators! h8 o: e/ G' W- I7 e
28-900 Disconnecting Means Required for Generators: Y3 s$ d/ F+ t* l! P: k
28-902 Protection of Constant-Voltage Generators) K) W% W) y, W. Y0 g
28-904 Generator Not Driven by Electricity& S- b! p* J& i @
28-906 Balancer sets
5 I; _- c/ s9 S! o28-908 Three-Wire Direct-Current Generators7 R3 G! m& L2 K; q
9 e1 K; S$ D( nSection 30 Installation of Lighting Equipment7 J7 v- @; P+ g3 R L
30-002 Special Terminology (Appendix B)
. d/ x1 t7 P" B C) ?General
! N1 ?6 c2 y7 }( x5 V30-102 Voltage# N: Y: P% d# ^! G% ` x5 E
30-104 Protection (Appendix B): _" ~$ `- T/ U2 }6 _! {
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
0 K; J/ l# r2 S' W30-108 Polarization of Luminaires
/ W. {( v( b# E0 |7 x; n30-110 Bonding of Lighting Equipment( B+ C. f# [) _
Location of Lighting Equipment; _/ U$ O6 ~# X& x! r$ G/ M
30-200 Near or Over Combustible Material8 s5 [, M" P' O+ t& P8 |, [# f& Y8 G
30-202 In Show Windows
1 D0 ^6 g: n6 ]( z4 t30-204 In Clothes Closets
- a8 @4 n( h' Z5 wInstallation of Lighting Equipment/ U4 f5 Z) L" N3 N
30-302 Support+ @* G- D" \2 l% _! y Z
30-304 Outlet Boxes to be Covered
8 D- c; y2 g. F- x; E' F30-308 Circuit Connections5 \) S. i) |4 P% o/ d7 g
30-310 Luminaire as a Raceway' c/ i! j0 X P. v6 s' ?$ j
30-314 Minimum Height of Low Luminaires+ {+ a* }5 S, C% ?9 l8 q+ K+ y" B
30-316 Luminaires Exposed to Flying Objects: h4 _& s+ ]8 i& V5 K; {
30-320 Luminaires in Damp or Wet Locations# A. ?+ a2 U' J5 r
N 30-318
/ ~9 d5 ]8 c$ ^9 R$ `* S( ~+ m \4 ]# l# xWiring of Lighting Equipment0 I8 f- m. h# k( } O% a, M1 R# C
30-400 Wiring of Luminaires; Z& Y7 {( c, Z$ N8 d% j$ O
30-402 Colour Coding0 P/ l/ r5 _) W8 k8 G% |6 a
30-404 Conductor Insulation3 j$ j; T7 n' Z3 F2 ^
30-406 Conductors on Movable Parts
2 O. I: H" ?+ e* O+ L30-408 Wiring of Ceiling Outlet Boxes
P! Q0 s, Q3 ?9 `' `30-410 Wiring of Show Window Luminaires
5 d; z+ j1 `/ O8 f0 A+ A2 f30-412 Tap Connection Conductors6 H9 B7 F2 |3 D6 G% V: x8 n
Luminaires in buildings of Residential Occupancy
3 m; J. w3 K" E) g: g30-500 Lighting Equipment at Entrances (Appendix G)
2 D; [. b8 s1 L$ H& x, o$ N30-502 Luminaires in Dwelling Units (Appendix G)' r8 Y5 y6 x) r3 _+ {
30-504 Stairways (Appendix G)
9 U! [: h" |; l) f; c/ S30-506 Basements (Appendix G)
& n0 T c+ Q$ v' |% m" _30-508 Storage Rooms (Appendix G)
2 A0 o+ n- m0 s1 L& |4 A7 x: j30-510 Garages and Carports (Appendix G)8 G q G9 N0 u P3 t/ [! N: W
Lampholders
4 `+ v# V+ E8 Y/ X6 {3 B; W30-600 Lampholder rating with Incandescent Lamps" [8 p# q8 d8 F- u( h
N CANCEL& @0 }) z( w2 f0 S# X1 S' o
30-602 Connections to Lampholders [( q) P3 e2 z8 h* X' ~4 i8 Q
N 30-600
: K5 v! G# X7 l6 i30-604 Switched Lampholders Used on Unidentified Circuits% o* C5 }- c o7 F+ \7 s
N 30-602& a$ P+ G: W# V, N/ J- Y
30-606 Switched Lampholders with Pull-Type Mechanisms6 ]2 V& G- P: P$ |5 h% J+ B
N 30-604) o- h/ X: F {/ T! Z/ I4 r
30-610 Pendant Lampholders, A1 ?9 x$ W" a$ V$ x, J s# E
N 30-6089 K3 W6 U" N. Q3 ]9 Q$ E# x
Electric-Discharge Lighting Systems Operating at 1000V or Less
& S0 R: r9 Z+ A* k* P j7 W& V30-710 Control (Appendix B)
- i. O1 d. Y/ E* J30-712 Branch Circuit Capacity0 Y. l+ \/ @6 r# ^7 R* d
Electric-Discharge Lighting Systems Operating at More Than 1000V
' M/ C1 \0 M Q30-802 Voltages, Dwelling Units
: J# K6 a0 [5 ]/ G" y" h g* ]30-804 control (Appendix B)2 @; S8 Z3 R* y
Recessed Luminaires (Appendix G)- p% r/ F, z+ R0 n& F, s0 h, M
30-902 Spacings for Non-IC Type Luminaires& @4 a' N N0 ?. Y E% ^. W
30-910 Wiring of Recessed Luminaires (Appendix B)5 D E4 O b+ A7 T
Exposed Wiring for Permanent Outdoor Lighting* _- s$ N: T- z* P1 ]% G: F. X
30-1120 Branch Circuit Loading and Protection P. e* i6 L) J" V i7 H0 \- J
Extra-Low-Voltage Lighting Systems9 @# q: T2 Q5 O* I1 |
30-1202 Sources of Supply
, v* y! f, D5 _# W) m
5 r3 E. @2 M6 T2 {6 VSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)( q) ~* f6 y" m7 c ?
Fire Alarm Systems5 n$ j4 x. V. \$ i
32-100 Conductors
- q8 z$ I# c8 F* i% s, j/ r f32-102 Wiring Method
8 W u- U. }- i32-104 Equipment Bonding* R/ p: R" \* P. r4 ^
32-106 Electrical Supervision5 f4 A5 n& y% b) r0 Z1 ]
32-108 Current Supply" D0 W4 Q7 r8 X9 L% J9 s
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
* S* E/ t$ _9 B% U$ t! @5 SFire Pumps! K5 ~* z2 H k
32-208 Overcurrent Protection (Appendix B). K) [+ l- O2 M( V- _ _1 J; t
N 32-2062 [' R+ s: C& a+ Z
32-210 Overload and Overheating Protection (Appendix B)) Z- E. ?8 b$ q8 P/ D/ O4 b
32-212 Ground Fault Circuit Interrupter (Appendix B)
- u: y; V* _( ?9 }3 D, ~& U) g1 V
Section 36 High-Voltage Installations" q1 L# m6 w( R, |, p
General
+ ]+ C8 J4 s. i$ n# P) [; ^4 F36-000 Scope (Appendix B)- ?% R: F" F7 I
36-006 Warning Notices
8 c6 A4 ]. U+ H& SWiring Methods
( }' Q/ t( ^( C% g/ ?1 J. `4 U7 }, j) J36-102 Radii of Bends
4 J6 {) w; V9 v+ p$ J! M, E) ?5 g36-104 Shielding of thermoset insulated conductors' ~0 C! M' v: J# V1 ~
36-108 Spacing of Exposed Conductors (1) table 30, table 31) c; T; X& p4 a; q
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
: g, R1 @6 \2 MControl and Protective Equipment# c; h1 h l/ T4 C( U# K6 q
36-214 Disconnecting Means. g# O# {5 e' O& R. M% C8 Q m4 x
Grounding and Bonding
9 E1 M) d0 K1 k36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
3 J _+ e% |4 ~2 }4 m36-302 Station Ground Electrode (Appendix B)
* i1 B& o8 H9 T! `1 P/ k36-304 Station Ground Resistance (Appendix B)
5 w/ V( ?) x7 T' m36-308 Connections to the Station Ground Electrode (Appendix B)
; m# y. I) p# P+ P& A36-310 Gang-Operated Switch Handle Grounds
; K4 C9 l6 r8 w: v8 e7 d9 a" d! R36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations, z2 X" y" g1 L; o6 g$ \
4 e1 A* U+ T2 @% G2 y7 u) f6 q, TSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
6 D6 N1 u3 w8 v6 F2 `, N38-002 Special Terminology (Appendix B)
- k* @' _3 A8 o5 z- R+ `- c38-003 Voltage Limitations (Appendix B)
. ^" W1 U$ Q1 U( \% r, B38-004 Live Parts Enclosed
2 N0 d: W2 b" S! @+ o4 Y. P38-005 Working Clearances
9 r# [5 D! M; w/ h4 Q( w; u38-011 Insulation and Types of Conductors
6 M1 c1 G3 ~& F8 k5 W! U8 ]38-012 Minimum Size of Conductors, E7 g! P q* b
" D9 d3 B& ]' O4 B1 w& _
Section 40 Electric Cranes and Hoists
+ p) ^; T9 G: n' x6 H/ J40-008 Disconnecting Means0 Q, M7 L, R* e; R) P2 h
40-010 Main Contact Conductors1 H2 t8 w$ ]: u: j
4 O9 C- r! l, Q8 e! _& y
Section 42 Electric Welders) g* A. B% H* D' M
Transformer Arc Welders* o4 R7 p% r! h. A; Q5 u& J4 [
42-006 Supply Conductors
/ H t, N6 ~2 B" t. V0 z
, [$ L- n, r- j- z: sSection 44: Theatre Installations2 \7 N; E, H8 y+ A$ p7 ]
General
, Z! _- |) v" h: b' L6 a& q: M44-104 Number of Conductors in Raceways
) {' c, e) n2 f1 X) V2 B44-106 Aisle Lights in Moving Picture Theatres T c/ R4 U2 B" b
Fixed Stage Switchboards3 `1 o' s+ D9 Y
44-210 Overcurrent Protection
$ E$ b& `9 v! T6 T, _& L. vFixed Stage Equipment
: z# ? K! _+ L. _* G1 D4 c2 p44-324 Receptacles in Gallery Pockets
a; ]' i l2 S, W' t3 |0 t$ \44-326 Receptacles and Plugs% p5 J. R' e1 K1 Z
2 j3 ^5 Z. s: K6 K! k
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
' c1 J# j& k, zGeneral# V0 y) P0 {4 Q$ B' {. }$ Y0 T
46-102 Instructions
4 M) r l6 s4 E2 E5 S/ J# V3 H46-108 Method of Wiring (Appendices B and G)6 Q& }. F8 C( s; L+ Z5 E1 G0 ~
Emergency Systems
0 D, S, I1 B" R9 \2 }46-202 Supply (Appendix G)4 ~( k2 q8 M4 T% o
46-204 Control- s& o5 y4 i" @6 Y0 `/ |/ H# ^
46-206 Overcurrent Protection
) j! {1 P& B1 i3 c9 d7 {46-210 Remote Lamps8 Z* m. ^ f( T2 B' H0 r9 g9 G
Unit Equipment
; }- e0 d- ]2 h; l, C$ B# F46-304 Supply Connections0 N9 w7 }* S* G9 Q# ^1 z7 c! P
46-306 Remote Lamps (Appendix B)& s% P/ x5 c7 \! u Q% [8 d
Exit Signs) z6 U9 Y( M5 {
46-400 Exit Signs (Appendix B and G)
4 |! o' ?( I* b$ X. F* j
7 N) z$ Y. h0 V% g- tSection 54 Community Antenna Distribution and Radio and Television Installations7 M4 v1 j; x! F) Z
54-000 Scope
, H# @, F9 w5 v/ ?6 E' w9 B; U54-004 Community Antenna Distribution (Appendix B)* n. Z9 c# r& |) S M8 u( Z9 R
Community Antenna distribution/ k+ u4 r* y. ]" U* p8 l9 B3 Y
54-100 Conductors
. i: l9 w- \! v54-102 Voltage and Current Limitations (Appendix B) q0 f; \ B% H- P/ V0 u! L
Protection
, Z( k% V" \7 u8 O4 v4 ]& s54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)" R9 A$ U- l( D' {6 Y
Grounding
8 s- H/ s2 z7 r# R9 k54-300 Grounding Conductor9 J' }4 L7 q( i, c6 k/ @
Conductors Within Buildings
! L& h- Q( I* ~0 U, E3 |4 L5 q54-400 Separation from Other Conductors3 e, H, r: b/ M# f$ {" X
Equipment
; }% B s+ p- O: H5 u7 X( {54-500 Community Antenna Distribution Amplifiers and Other Power Sources, S3 A1 F, ~ r/ |
54-502 Exposed Equipment and Terminations2 D4 E z( X' O$ ^
/ o1 h% p2 P* V/ ]Section 56 Optical Fiber Cables
9 G) y2 R4 Q1 m8 d# pGeneral
( \9 C4 g! [6 k- s6 v( B5 t56-100 Special Terminology) \) D+ R8 n+ ~ c7 Y. I& z2 ~
56-102 Types
1 o% ^; S- [0 H, S( iInstallation Methods
& }0 w4 f( [5 M. U56-200 Nonconductive Optical Fiber Cables (Appendix B)& ?' |- l/ \; h, M2 T4 p
56-202 Conductive Optical Fiber Cables (Appendix B)
& Z- m( N' Q' V4 k" {56-204 Hybrid Cables' i6 H5 p2 Z% x4 \% |! z8 h
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
, ?2 M, ^ E& w' [! |& F
. A! N, i4 ?9 e, g! l4 t1 ^Section 60 Electrical Communication Systems
) s$ [# x( ^) u' r" |General: A2 W$ V6 Y `9 _8 G! z
60-100 Special Terminology
3 N& N0 Y' b$ j2 L! X+ ]# |Protection' Q: u o8 m# ]
60-202 Primary Protector Requirements% n6 R1 z& L# u+ A* i
Inside Conductors6 f! W& P$ d. r6 `% e5 b
60-308 Separation from Other Conductors4 X+ S& I# U% q+ y4 ?. Y8 W0 D6 o
Equipment2 e% F8 f8 [. L7 a
60-404 Exposed Equipment and Terminations
+ z# E9 r- [$ |3 t7 ~1 RUnderground Circuits
# s1 p( r! _" {) O: E60-600 Direct Buried Systems- `* k( g/ V6 s$ |6 i- E9 Z7 H
( W0 o+ d1 l& `8 l: KSection 62 Fixed Electric Space and Surface Heating Systems
8 z; D% G4 i6 xGeneral
9 x9 v4 d9 C; p) P" V& F2 L, B4 |62-102 Special Terminology' W# \2 L/ e4 O/ t) z
62-108 Branch Circuits& s/ }7 }% i" w( p, N) [
62-110 Installation of Fixtures
+ N! [0 z& Q* r- K2 H62-114 Overcurrent Protection and Grouping (Appendix B) (5): X: z: n4 l+ W+ R9 k/ `4 }! T
62-116 Demand Factors for Service Conductors and Feeders (2)" x" C' [- J9 y" C! F- |
62-118 Temperature Control Devices- } q5 e- S0 X
62-122 Installation of Series Heating Cable Sets (4)(7)
0 L: n% ^6 B% C" H' v/ j KElectric Space Heating Systems4 }' l7 c" ^5 n/ X
62-202 Temperature Control7 f/ X" y- Z9 A# o4 H
62-206 Proximity of Other Wiring (Appendix B)
6 X+ C$ j9 ^8 ~) q62-214 Installation of Heating Panels and Heating Panel Sets, U) R1 t$ X* M
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
U3 s8 u9 s+ {0 e62-226 Installation of Under-Floor Covering Heating Panel Sets6 W% x n" A, }( y
Electric Surface Heating Systems( ~2 Y5 P' e! S* G
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
* M! H w9 T; M" @7 S/ V3 i: o" F# q, V# p
Section 68 Pools, Tubs, and Spas
& d: }8 ^0 V' B) C4 I1 _* KGeneral z# z" v! {" S( T
68-050 Special Terminology5 @3 E/ ]1 r4 w0 M2 D# ?3 C% {: o
68-056 Underground Wiring - Table 61
) N& z7 l4 v o' U5 h. W7 `, c68-058 Bonding to Ground (Appendix B)0 u# u+ X0 G! C, H! s1 n* n P" D
68-060 Junction and Deck Boxes (Appendix B)
9 }) I* {% B& a: d& Z68-064 Receptacles* {' ^" u. s6 T/ a: b3 \! [/ b4 p
68-066 Luminaires and Lighting Equipment
. y3 y, G% N8 G# L: i/ w68-068 Ground Fault Circuit Interrupters (Appendix B)
: A; I0 }5 L) \+ t. E$ V2 j
) b& p2 m( Z" PSection 70 — Electrical requirements for factory-built relocatable structures and
$ v4 a& I. ?4 Q$ v- Anon-relocatable structures
* d5 i, N+ I, I% c4 i% C& e# d5 T70-130 Tests (see Appendix B)6 u& c6 Y8 I2 S9 b1 `) ? u
; ^% h1 V+ d' i: y5 t
Section 76 Temporary Wiring (Appendix G)# `( u: r( C# ?% k) t" s
76-004 Grounding
: ]7 @0 f1 a0 J5 b1 t* {9 }76-008 Service Entrance Equipment" z2 Z V8 L) C* x: z) F, }! L
N 76-006
: I, N4 ~% g1 I& M6 _" Z6 Q1 J76-014 Branch Circuits/ g1 ]8 Y/ D/ X/ R% A
N 76-012
p0 B2 j: R8 ?' P# d2 T, a, `/ U( b% A0 R" d o# [3 E
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours. S) g$ A* C6 l
Marinas and Yacht Clubs4 S" u# H9 \* c$ X) T. B' p" h
78-052 Receptacles6 s7 ], u1 P) }# h" U) b$ V
78-056 Feeders and Services# N/ h- M6 t% z1 {0 p
Marine Wharves, Structures, and Fishing Harbours
/ r/ m( }* z5 O! f5 z9 r1 L' I78-106 Grounding and Bonding
) B2 ]( _# K+ W) \( _Tables
" G, {$ `5 w! D* I1,2,3,4,5A,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
8 z: a. }4 m& _- M3 I. \' }/ T7 W R5 @8 ^& X- \
Diagrams: 1, 2, 75 Z# U4 E! m5 r& u& C
" m; P7 w5 Y* ?. ]Appendix B
5 y/ F. }$ c; S. V% Q+ D; HP352: Ground fault circuit interrupter- 6mA
( m K r, X# q; ? x1 F( i5 aP354: 2-126 FT1, FT44 `0 C" W' B4 Q% ^0 n j0 J
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)% t5 O3 N8 d* I j# {
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
p: L$ A8 D: n* pP370: 12-1012, 1118, 1214 Example:- P1 ~/ L. [3 B6 T z$ ~# N5 G5 H
P371: 12-11088 |4 q3 [; C4 B
P381: 18-108(1)(b), 18-158(1)(b)
) O: O3 i+ |- r3 F5 \P386: 24-206
% V* j& N3 k, \$ c# W* A6 L1 y; @P389: 26-2563 C# _+ d/ f# \' K; K6 K
P391-P393: Section 28, Example to determine Motor Conductors and Protection
, Z& A/ r. A4 s% v: b8 Z( S* @& v% l- @( F" u5 i, k% D8 i
Appendix D
x* Q4 O% y+ m8 D& G. wTable D1, D2, D3, D4, D5, D6, D7, D16 |
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