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Canadian Electrical Code Review Guide
o8 C8 z1 S% e$ g. n! W! ]For the Exam of Electrician For Red Seal License
0 L7 K2 S2 W3 d, ^) @9 s
, y/ g% x; R1 F6 s$ HLesson One
+ d2 Y4 r Z7 y8 u1 dSection 0 DEFINITIONS! e* t2 ^" n- N( H3 T" q& a+ ]. I K
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:; g3 S/ M$ p* \) P8 _. N7 }+ b% z
Accessible as applied to wiring methods' W* G1 ` s7 `% @& h+ n
Alive or live. z5 }3 M, l9 Z3 k0 \9 [# [- S ?. E
Aluminum-sheathed cable
( J+ V# M* u. A( v5 y+ s& Q$ ?& wAmpacity/ i1 `; O7 G2 d
Authorized person( J) V- ~* g, \5 s! H& d }- e
Auxiliary gutter [6 V2 n' T% a7 R6 q. A
AWG }8 w7 t; P* z, x
Bonding& [1 l2 C) v! ^
Cable tray
# y& v( m" H9 L% d( w8 _# ]7 {0 mCellular floor
: }$ ~! q% R- v: @Branch circuit# [& k7 w3 C2 T2 {: o% U0 r% x3 c
Bus5 \. C& D7 Z5 |- Z6 m
Busway
9 r9 ~: [# ?* _. N! aCommunication circuit
# [9 E: `- I9 Y. x4 yExtra-low-voltage power circuit
( X5 Y, n% a( kLow-energy power circuit
! {2 E% u4 e- J; g$ ~; WMulti-wire branch circuit
! K) H* v% z5 G H- ERemote control circuit9 I4 T4 |& Q7 M1 A3 r
Signal circuit
6 V6 S. g3 H# @. v6 c$ NCircuit breaker
t* B, V- }5 T6 I) d& ^' O1 _Instantaneous-trip circuit breaker0 X2 B' R. O, h
Conductor# `' X5 r- G/ ?4 K% ]# h
Conduit3 K6 w5 G0 v# s, E/ h# l
Flexible metal conduit
, U% Z& p4 P& O3 ~! C7 j Liquid-tight flexible conduit
4 N X" b4 e; [. d V/ } Rigid conduit
) `9 R. |. A2 Z4 g. O Rigid metal conduit
0 l7 m% j; c0 o$ [5 ^$ W3 y Rigid nonmetallic conduit
( T& c1 t, I3 o' i3 i, R, @9 R Rigid PVC conduit
' E" _# M" C5 K5 CConnector
3 F: g$ U9 g. A4 h. B4 `# F Box connector) }! W- b1 i) z- j) W
Wire connector
, ]' U A% T. P( B4 c; ? xController2 x2 b+ ^$ J, y ^* A; B
Disconnecting means
1 s( G$ x' c5 s) v# pDust-tight l) z2 s# Q# v: ^
Dwelling unit7 R3 _% ^* Y+ d' e7 ]
Electrical contractor
. y) T5 L7 x r" s# o3 R* t5 f4 P4 ?Electrical metallic tubing
) d j- v6 M+ Q3 dElectrical nonmetallic tubing
' [+ ]: N9 W; I" [3 y0 _Emergency lighting
2 ?8 c& H0 W, h- K5 E7 N* O$ D. sExplosion-proof7 Y2 r% r; b l/ q6 L
Extra-low-voltage power circuit
' B- I( @# I7 a. H SFeeder9 n- T) R3 l+ E5 Q7 Q
Flexible metal conduit1 H/ P, B4 y; } j4 _& \
Ground5 N' Y) t8 S; x
Ground fault circuit interrupter
* a7 x8 c/ u5 h5 e- j, h% ^Grounded
% S) P) w& g# u0 K8 c* P" mGrounding
9 s, f Z; E0 Z* qGrounding conductor
5 K, p9 C. A* \& q+ k+ G) K8 w% UGrounding electrode
( |; Y4 T) m YGuarded
3 }# n$ R" P9 B) M! N+ U% o4 B1 aHoistway) _8 d( y, A! c% i3 Y
Identified# N/ ^, H; I" z$ b& M# G
Lampholder
/ q- |- n, r3 G/ m9 M. T' h2 B1 @' SLow-voltage protection
' `" ?0 B) O5 V9 I2 FLow-voltage release
/ h( m- i/ U7 {9 P9 D* S2 G* CNeutral& U% ]) b/ I% e9 j; u* o
Noncombustible construction
6 D+ b9 A+ @+ Z2 ^/ F: dOutlet' {! w5 H7 ~& d/ b7 O( S2 M8 y
Outline lighting% F" r R% `4 Q& y% Y9 B8 D+ K
Over current device* F4 m8 K1 q# V9 J
Overload device3 Q) {# Z) U( @- z3 s! l
Panel board. z+ B1 l6 s; {5 p. B
Panelboard, enclosed! v0 N& Y& u, \2 h
Permanently connected equipment
' g) l0 L& t7 z6 T; LPermit4 m; b/ V5 B. R. `; E+ F
Plenum
" G1 p& O9 }8 v& ZPortable as applied to electrical equipment+ |0 E% {5 |( L7 I, @) J
Portable ground fault circuit interrupter
8 X: F0 {5 C; z! EPower supply cord
' ~8 P5 p5 [ s4 g- z( N- k1 pRaceway( T* u, q5 u0 W/ g
Receptacle5 ]% y3 A8 U! `0 [ V$ K0 `) ^5 D
Duplex receptacle
$ w S( u* i' z2 G4 Z1 L) A Single receptacle
4 ~$ K% Z1 l& y- ~# Y' \3 T1 w) ` Split receptacle. U2 X& w7 C4 Y! M
Service, consumer‘s9 E9 w# X( v) j) z4 d% n
Service, supply
/ I. X5 W, W3 @) ? ZService box+ ^& g& G% d6 e% G# s% P) \& x
Service room+ [& f4 Z k! M3 @6 b/ x) a# s
Single-dwelling9 L, @/ u: x7 E/ t" H! \3 V
Slow-burning as applied to conductor insulation: U/ k6 ~. R, A2 C7 U. J1 s
Splitter
( H( v+ M% h2 SStarter
: w A+ Z. [" R r: V, [Switch0 s g4 `: r# L; y& x
General-use switch
' d4 U: m# |: s( v Indicating switch
# O& t) c+ K3 d, b [6 n0 T Isolating switch
4 _( {+ i1 `( h7 j L$ C- y Motor-circuit switch: T% `, s8 C. v& H* P
System# D3 e2 _5 d& f2 t4 z
Communication system
7 p8 k+ A7 W% t$ p# Q! N Community antenna distribution system(CATV). U1 H' d& A: ~- }
Grounding system
$ X$ X! H7 @7 f4 w- e# s' d q! VUnderfloor raceway
* U8 e' \4 l4 x/ hVoltage:
5 K& @' f& |* E Extra-low voltage- Y" e( Q y4 ^6 i, O2 O' V: N3 E( u
High voltage; ^# X% n* f6 a, t
Low voltage+ M0 h! W4 g* K# a
Voltage of a circuit
, c) M4 O2 A/ M, k5 l6 I" D( uVoltage-to-ground I/ D+ W: y, h6 u) ?
Wireway
5 S7 Z( G" ?" X( a' J/ Q
! J! ^& v9 ~; {Section 2 GENERAL RULES+ e- A) L, j/ p* P5 U. [
Administrative
, {7 _% h7 h8 S8 f& v) R2 P5 Q( u2-018 Reconnection
1 R3 [. G e+ U2-030 Deviation or Postponement
* U! P) i- a7 ~$ \4 [ T+ sTechnical General
0 L, ~& v0 b6 F9 B6 C! k3 G2-106 Circuit Voltage-to-Ground – Dwelling units
& p8 n' w, @( y. M1 G9 F: q2-114 Soldering Fluxes
2 [4 {2 K, [& v7 o# a2-116 AWG Sizes of conductors
/ ?0 I1 M9 d$ i) k2-124 Fire spread (see Appendices B and G)
8 s4 B, s/ |5 Z- }: O5 B% K/ X2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
6 f2 C7 ` L$ o( XProtection of Persons and Property
( h, z$ E1 d, V2 d; m) e' t0 _& E2-202 Guarding of Bare Live Parts( R l+ q) t7 p2 ]9 e3 V) `) q
Maintenance and Operation
! b; Q- ~; w9 P+ i, j2-304 Disconnection0 L4 n- b, F2 S; l5 B( C5 K- I
2-306 Maintenance of Live Equipment
5 V ?9 b( A. w, x7 lN 2-306 Shock and flash protection (see Appendix B)- R# T' d0 [& |1 D
2-308 Working Space About Electrical Equipment: Table-56
$ M+ t% l5 s8 `2 Z6 k2-310 Entrance to, and Exit from, Working Space v% F; }7 k+ \" A4 @! ?# b
2-320 Drainage
7 a& Z4 o; ~0 p' L& A4 w x+ v2-322 Electrical Equipment near combustible Gas Meters and other Devices
6 U' g K1 k) ^$ OEnclosures7 u- W; j0 N: R( |
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
9 `6 o( x: r. U" |$ }2-404 Marking of Motors: DP, WP, TE
" F9 d" y. v) X% l! X8 K
/ _# p0 z4 N* [# m3 A$ lSection 4 Conductors
% V/ w3 y. e! x/ y4-000 Scope& Q6 F" S9 u' s4 u; p
4-002 Size of Conductors: 14#, 12#
! V7 Y' o$ F/ {2 O' k; u3 [4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36) T5 K. g: G6 p( c9 N, m& u9 |5 X
4-006 Insulated Conductors: Table 19, `4 F- x9 U/ {4 l+ S, s3 Z8 d. k
4-010 Uses of Flexible Cord: Table 11; B R) C' w1 O2 j( a9 }% q, _
4-012 Sizes of Flexible Cord* W" O6 d+ v+ n0 K
4-014 Ampacity of Flexible Cords: Table 126 g3 i$ _! v( Z0 C! S
4-018 Equipment Wire! O0 v! J2 k+ _# }( C
4-020 Insulation of Neutral Conductors
; c0 v! {/ G. R; l' X% Y4-022 Size of Neutral conductor/ l( |- d/ C1 [
4-024 Common Neutral Conductor! Q0 Z+ `: v) R# s# z
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
2 }8 ]5 C7 p' b# u) ^: J9 p4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum6 b- T/ z F) O3 L+ P4 V" P
4-032 Identification of Type MI Neutral Conductors
+ V6 Z$ c& ]- q% l& j0 o5 V4-034 Use of Identified Conductors: t- { o* B$ ]+ ?8 N
4-036 Colour of Conductors: Phase A, B, C, …
; l5 ?7 z% ?1 C0 [
# P+ e: M1 p3 ~6 lSection 6 Services and Service Equipment+ v4 X* a; n% @9 t+ }
General
3 A) D% o" x/ r4 X6-102 Number of Supply Services Permitted) N, R! R: ]; A1 I/ _0 ^
6-104 Number of Consumer’s Services Permitted in or on a Building2 N* Y: R9 x8 G! f! f9 \; v
6-108 Supply Service from an Electric Railway System! C9 F5 F9 L. K- n! G
6-110 Three-wire Consumer’s Services
( ?% i; T0 W& M: [0 X; y6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
) B" _ P1 V8 n0 i6 T6-114 Methods of terminating conductors at consumer’s service/ N* B. | v9 _+ p6 d9 q
6-116 Consumer’s Service Head Location
8 o' f( V8 _1 F2 ^! G! h2 D% ?8 \7 iControl and Protective Equipment
, B* a$ c. I7 b5 r/ r6-200 Service Equipment2 d" I: I* @7 v+ p7 @
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
- b; ^; e8 G7 J* ^; z# l2 ]6-208 Consumer’s Service Conductors Location; M& s. O0 M! I( I& b+ b- V! p
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
$ l6 I% M; x) z0 g/ g/ l' @1 t6-212 Wiring Space in Enclosures
# |: Q/ L/ F! e6-214 Marking of Service Boxes
5 f. u" [" I1 Y. kWiring Methods
( y% j% y0 S1 g' R; H- y$ G& [6-300 Underground Consumer’s Services
8 V0 r" Z$ p$ r6 n3 f! w6-302 Overhead Consumer’s Service Conductors
6 ?- {$ M9 `% y9 V8 u7 R' ~6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable) |8 N/ r0 c/ A
6-306 Consumer’s Service Raceways9 M! M3 R8 [+ J% C
6-308 Use of Bare Neutral in Consumer’s Service
i+ {8 W. |+ l6-310 Use of Joints in Consumer’s Service Neutral Conductors
. I8 p" B% v* B- i7 S6-312 Condensation in Consumer’s Service Raceway) Y; P. g3 ]" D6 T0 }' u' ?
Metering Equipment, \; N2 i1 E) j# c7 u$ I
6-400 Metering Equipment
. S+ N8 C/ [1 k% m! P& y6-402 Method of Installing Meter Loops
1 B; F# V# K* \" o4 q+ @6-404 Enclosures for Instrument Transformers( R% n' v2 F/ \& [( w: {& Q
6-408 Location of Meters q; o, Q- l9 a9 c8 n
( H2 u1 r& k; B7 iSection 8 Circuit Loading and Demand Factors
5 U, r) i* b" ^5 S" K& hGeneral
F6 s% M$ X3 a8-100 Current Calculations) X5 V% ]* z" _3 S2 Z# I/ T
8-102 Voltage Drop ( see Appendix D)
& X: _& t0 _2 y7 J0 j8-104 Maximum Circuit Loading
' G/ b& Q- V" ^: }4 J9 F5 B8 m8-108 Number of Branch Circuit Positions. z T0 H9 L8 m% h" t$ y, E
8-110 Determination of Areas4 X" A% t8 B3 v( y0 W
Services and Feeders
2 q; G, s U6 y, A# ?8 r* [8-200 Single Dwellings (see Appendix B). q7 G0 K7 Z* b& L) n0 _
8-202 Apartment and Similar Buildings
/ c F5 i. I7 l8-204 Schools
6 `- k5 |( v7 l$ e$ B O8-206 Hospitals
; e! W0 G4 f, U4 Q6 ~7 E8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy3 R6 v8 v6 u0 c" ?$ X' T# U) w% y( b
8-210 Other Types of Occupancy (Table 14)
3 a. i$ `7 @: F/ r8-212 Special Lighting Circuits7 G2 J8 f. r. e* n8 P: b
Branch Circuits
' o# I+ [# ~6 @! P& c8-300 Branch Circuits Supplying Electric Ranges: y% c) R7 d% h7 C9 C, S
8-302 Connected Loads
/ T# y: d1 I4 [4 O
# M3 a0 a2 u/ o0 M& p9 v: ?Section 10 Grounding and Bonding
+ K/ E9 j$ G/ M* f, i' vScope and Object i6 ^; y( A3 i, d3 ~" ~
10-002 Object0 l- D& K4 P4 I
System and Circuit Grounding7 U* y* Q; V3 r$ H
10-102 Two-Wire Direct-Current Systems4 `5 Q! k" f; Z/ `& {! \
10-104 Three-Wire Direct-Current Systems
6 l1 t. h" _ t* B& C; u10-106 Alternating-Current Systems Y/ s) ]7 }; L! d1 \! R. S
10-110 Electric Crane Circuits
9 W9 j1 `: _- ]; L# S3 S1 l10-114 Circuits of Less Than 50 V9 K/ V7 i% [1 N$ j3 Y
10-116 Instrument Transformer Circuits
4 R+ V+ h4 h* s8 a/ UGrounding Connections for Systems and Circuits& P' Z; F5 Q1 k0 `0 x. \( h
10-200 Current Over Grounding and Bonding Conductors/ ^4 l7 B i$ ~. t2 ~$ S2 [
10-204 Grounding Connections for Alternating-Current Systems" Q% x$ F& M: C
10-206 Grounding Connections for Isolated Systems# g0 D/ B+ N O
10-210 Conductor to be Grounded
4 ?. v) }9 b1 g; UConductor Enclosure Bonding! j/ u7 E$ Q0 }1 c1 V
10-302 Other Conductor Enclosures
/ j5 T4 Y7 r2 y/ V) J, ~% _N 10-304 q! ~; T# Z) U" j U8 s6 B
Equipment Bonding
( @7 q: Z& a4 }9 D2 r# R2 ~& a4 K& I10-400 Fixed Equipment, General3 r: ^$ i+ B) y! O0 c! U L% u
10-402 Fixed Equipment, Specific (3), (4)
2 \0 }5 R& W: \10-404 In Nonmetallic Wiring Systems
% q9 _) R y$ G. B. a6 K10-406 Non-electrical Equipment. Q4 ]% B4 A3 M9 U$ R
10-408 Portable Equipment (4)(b)
) m( n4 q) p8 y; S/ p8 N, M' i10-410 Instrument Transformer Cases2 }% w2 T6 z7 z$ M
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
+ l4 K4 q1 J+ G/ \10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
/ I7 W# T. e i5 T+ V0 BMethods of Grounding
7 s, w% O( `5 o5 B8 t& M10-500 Effective grounding (see Appendix B); h! T K) o+ y& o7 `5 `: Q
10-502 Common grounding conductors
: {0 ?! F0 ^& f; N) Z10-504 Common grounding electrodes
7 I: n0 [' n- D& }& n+ `Bonding Methods5 b& h9 w; P) H [7 q
10-600 Clean Surfaces
* h3 t R P4 g3 J, l8 v0 E10-604 Bonding at Service Equipment& Y! T- f# S/ T4 H( K
10-606 Means of Assuring Continuity at Service Equipment/ a$ E/ a5 V; Z8 Y" e+ s
10-610 Bonding at Other Than Service Equipment
5 O, g' m0 w o, N7 _2 W10-612 Loosely Jointed Metal Raceways
) j9 O: u' F8 L; w10-614 Bonding Jumpers Table 414 e: b0 q# b7 Z, \' q* V
Grounding Electrodes
! V; r# ~; H# Z6 k+ m8 ]10-700 Grounding Electrodes
/ b' Y7 Q! P# w, U9 S' Y10-702 Artificial Grounding Electrodes! |4 s$ n$ i3 d. p3 B' n: |
N 10-700 & 10-702- e" b. O8 |. O' s& B+ ~: K
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)0 m) F. m5 N4 U5 O4 M, Y9 n
N 10-702 ?3 _$ c9 Q: x
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
1 Z+ U6 ?4 l* m0 oN 10-702/ {# ]$ ?$ k* p! I
10-710 Use of Lightning Rods (Appendices B and G)' s6 f5 N; f* \0 N' E6 {6 ]
N 10-706
& }' T7 f' V1 }/ q% ]Grounding and Bonding Conductors1 x. N a. x- ]
10-800 Continuity of Grounding and Bonding Conductors
' N* j& R5 v8 ]' |* x/ |0 _10-802 Material for System Grounding Conductors6 P4 F7 x; R4 a( v$ N
10-804 Material for Bonding Conductors
% S' i0 e4 @6 s& h. P! @: w7 d10-806 Installation of System Grounding Conductors
! p* B& @& K3 [: v; {10-808 Installation of Equipment Bonding Conductors
2 D7 m3 j2 t; K3 r8 }10-810 Grounding Conductor Size for DC Circuits" P" [2 n8 O7 Y, W
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
( G% f# m, P8 b7 {3 g10-814 Bonding Conductor Size (Appendix B); ]' `' {1 V6 |1 y4 O) `8 S" Q$ ~
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment& Q4 `* {! i0 `1 M8 Y! G
10-818 Bonding Conductor for Outline Lighting
7 n6 \4 l1 _! K' ^10-820 Bonding Conductor Size for Instrument Transformers
: f- P& Q! L% c3 J7 DGrounding and Bonding Conductor Connections
( k6 S: ? y+ q9 C: a% p4 ^10-902 Grounding Conduct Connection to Water Pipe Electrodes
2 L$ D' X/ h$ N. X$ F0 o. z10-906 Bonding conductor connection to circuits and equipment
9 P- Y0 w% M# h; ^# S/ @( ~- y10-908 Grounding Conductor Connection to Electrodes" U' o( q1 ?' o+ D- c F
Lightning Arresters
/ Y/ J/ U0 x8 f$ F# h1 E10-1000 Lightning Arresters on Secondary Services – 750V or Less5 d8 z! w+ J' s- P* K0 D9 x; j
/ D3 j! t z9 F
Section 12 – Wiring Methods
0 L; F: n' b4 b, a- e p5 xScope( T' a/ Q- F( S) Y
12-000 Scope (Appendix B), l/ A) x+ i) E4 D
General Requirement; U: g# Z/ I& ~2 V( z: x5 J
12-010 Wiring in Ducts and Plenum Chambers
, B3 N# q" k7 o12-012 Underground Installations (Appendix B)* ~. `7 {$ l7 { |0 O- I
12-016 Lightning Rod Conductors* a6 H$ l" T0 |$ x, D3 N$ O! L2 t
Conductors - General
! z4 G1 {1 u2 U: Q5 X8 [12-100 Types of Conductors (Appendix B) Table 19& ]; y5 x/ T- C* U
12-102 Thermoplastic-Insulated Conductors
2 H3 R# E, A) T& L0 ]4 }9 R12-104 Flame Tested Coverings
* n; R# S. ?) q12-106 Multi- and Single- Conductor Cables
! R4 h- a- D/ ?12-108 Conductors in Parallel (Appendix B)
0 q3 E! H. K/ \6 k- `7 P) O12-112 Conductor Joints and Splices: r( U; j# h# t6 |7 A% ] ^
12-114 Ends of insulated conductors" M. E6 a4 y. k" i1 v& j# B
12-116 Termination of Conductors (Appendix B)
: J# u% J2 L: D% W12-118 Termination and Splicing of Aluminum Conductors
& Y, T6 f/ Z0 c/ V12-120 Supporting of Conductors - Table 21
4 D9 b% {+ S, D4 Y0 G) TOpen Wiring( x$ G* V* w; d: L; ]
12-204 Spacing of Conductors
2 I( f0 i3 c3 ~; G% W) D: n+ n, N4 ]12-206 Conductor Supports
3 J5 [0 l- b u& M! V2 g0 _" H' r12-208 Conductors on Flat Surfaces
9 Q2 H! [8 o" H6 O- a& r12-212 Protection from Mechanical Injury
4 x2 f: U4 k" h6 y6 X8 lExposed Wiring on Exteriors of buildings and between Buildings on the same Premises
; U! t/ G5 w+ a0 {5 r/ E, A h* P12-308 Minimum Size of Overhead Conductors
+ B# w5 f! k9 q12-318 Use of Neutral Supported Cables' W9 Q' g r( z, [' D$ C7 W
Nonmetallic Sheathed Cable
4 k6 a( ]! R- }, j6 X) m( q" E2 _2 X12-502 Maximum Voltage
- {9 A9 }- D/ a: g5 d; w2 v; w12-510 Running of cable between Boxes and Fittings (Appendix G)6 A4 k. `3 W0 m* ?) a
12-514 Protection on joists and rafters/ b+ ]- D3 v8 H
12-516 Protection for Cable in Concealed Installations (Appendix G)
, h+ w: Y$ e& j, o2 j. p9 e& w12-522 Where Outlet Boxes Are Not Required
p0 j1 M" ^1 Q0 s. zArmoured Cable
& C6 p0 i6 F& k2 k( a12-602 Use (Appendix B)$ m# p. ~! k4 N- E8 d }2 O
12-604 Protection for Armoured Cables in Lanes
& o/ O6 @5 H; c! |9 {2 p s. z9 I12-606 Use of Thermoplastic Covered Armoured Cable+ k+ C& V1 |6 S% k! \
12-608 Continuity of Armoured Cable
1 s2 J; l% {: ~% S12-610 Terminating Armoured Cable
6 @, c- V+ Z- |12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
1 o/ e n3 ?* [% Y12-614 Radii of Bends in Armoured Cables# {5 l" b& l& G1 W! x6 N
12-616 Concealed Armoured Cable Installation7 D' K, ]; P2 s: l8 |! I
12-618 Running of Cable between Boxes, Etc
5 Z( k+ G' M; h+ U7 t/ k4 [Mineral-Insulated and Aluminum-Sheathed Cable. ?' l$ J9 T5 J4 F
12-702 Use% s8 X# ]# g8 F1 m5 d* @
12-704 Use When Embedded
$ }% d1 u$ ?! }7 m12-706 Method of Supporting/ @* Q% K! o6 @
12-708 Direct Earth Burial
# }# [# }4 ^3 F! Z4 b; w12-710 Mechanical Protection/ g; c. Z: Q. y8 f: l) K' Y
12-712 Radii of Bends! i: ?: Q6 Z" w6 S* J. j2 D/ _3 g
12-714 Termination of Mineral-Insulated Cable (Appendix B)
# J( x2 c; `: y1 R! W; G12-716 Connection to Other Forms of Wiring7 n* E# e- d6 F3 d( ?0 y( |
Flat Conductor Cable Type FCC }' i& b. q/ Y! Y4 h2 K$ C
12-804 Use Permitted- e; _7 S8 ]+ ?* ^7 h! V
12-806 Use Prohibited6 H' Q* [ I( F
12-818 Anchoring. U2 H R/ H; A, j
12-820 Crossings; I7 T- V. [9 H6 s
Raceways - General% \+ }8 h& Y: e
12-904 Conductors in Raceways9 w8 z8 v1 J" q- ]$ E& c
12-906 Protection of Conductors at Ends of Raceways
' E; H/ z( w1 k; ^4 s( H) M12-908 Inserting Conductors in Raceways
: ]1 [0 h: o p7 l2 ~6 C12-910 Joints or Splices Within Raceways
5 r+ u+ v x1 I$ J8 N Y12-912 Stranding of Conductors% ` W# N( x* G
12-914 Electrical Continuity of Raceways; \2 P; H. P/ \6 r
12-922 Radii of Bends in Raceways
2 X: e4 @9 c! ~& m4 D& g/ G& nN 12-922 Radii of Bends in Raceways Table 7, L7 ?: ~7 X3 L
12-932 Protection for Raceways in Lanes# y6 h( c# r5 O8 B% c
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
4 e7 i P9 d7 s& \$ m12-938 Capping of Unused Raceways
/ R; f+ @+ ]2 ^" p& z12-940 Maximum Number of Bends in Raceways, P7 I" j# Y+ J5 n' n2 W+ Q' n1 I
Rigid and Flexible Metal Conduit3 s3 ^4 W. J2 _2 \" a
12-1002 Use
! [- v; G( h4 q. {2 v' k: T: k12-1004 Minimum Size of Conduits
6 t; G8 A2 m/ R- E12-1006 Conduit Threads (Appendix B)* O6 y7 k2 @% \0 g5 q6 g
12-1008 Thread Engagement. Q+ Y$ m# g2 q7 f
12-1010 Maximum Spacing of Conduit Supports+ }9 y5 t$ R8 d
12-1012 Expansion and Contraction of Conduits (Appendix B)
; j4 x# r$ A+ k/ f) [6 G12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
4 m; w+ O# p3 H9 C* V5 |Rigid PVC Conduit and Rigid HFT Conduit; S, \0 L, Y! r/ i# v3 `
12-1100 Use
- @; }4 B( s- y" B2 W8 Q }12-1102 Restrictions on Use! W. Q8 ~5 S/ F5 ^ c; s/ F
12-1104 Temperature Limitations (Appendix B)
/ K* q! G1 k. f6 f9 x( Q, b12-1108 Field Bends (Appendix B), (2)
, U3 A( [2 U; G- B( @$ S, y12-1110 Support of Luminaires# z6 b; ?3 J/ o, N
12-1112 Fittings
, f, N! E! r* w! v: O12-1114 Maximum Spacing of Conduit Supports
- ~; L9 Q* p0 A12-1116 Support of Equipment
% z# P$ W% [ e6 z12-1118 Expansion Joints (Appendix B example)
5 D4 }" y6 h2 CRigid RTRC Conduit
' E+ x4 [! [2 K0 J8 ?+ C12-1210 Temperature Limitations
4 W! U4 D' W* q12-1214 Expansion Joints (Appendix B)
, L0 T4 M0 ^: C# dLiquid-Tight Flexible Conduit2 o- S, X% v% z/ X5 \% e4 f2 B% J- {+ g
12-1302 Use of Liquid-Tight Flexible Conduit
X' X% H1 P$ o \9 A) S12-1304 Maximum Number of Conductors# ^" ~; P* S. V+ h7 n2 f" x* G* Q9 C
12-1306 Provisions for Bonding# z/ G* C5 O& d5 u& e& i# p
Electrical Metallic Tubing
3 S$ d' n' I+ d12-1402 Use2 Z# H( w' }, O( C; i- A
12-1404 Supports
) `4 e1 F9 A7 B" f12-1406 Minimum Tubing Size
8 w# O) f( t* U$ [$ q& c6 H6 X12-1408 Maximum Number of Conductors
8 G" Z9 Y6 n: i12-1410 Connections and Couplings r& n _5 w7 H0 q/ U
12-1412 Radii of Bends in Tubing
% B( ~) ?7 [; ^% q3 TN Table 7) j- Z, O0 r: e, Y3 E k+ x
Electrical Nonmetallic Tubing/ o. I2 m; Z3 j) q' b* Z
12-1516 Provision for Bonding Continuity2 [" @( l/ y( u! E/ g+ D) ^
N 12-15148 m$ g: \' H2 T9 x% \
Surface Raceways- ` V! O; T/ b* V; v& F1 _7 m
12-1602 Use of Surface Raceway (Appendix B)
6 M+ `, o w; G3 o$ W5 p/ ~12-1604 Temperature Limitations
_1 h* e& S# X7 Z5 [) B4 f9 }12-1606 Conductors in Surface Raceways (Appendix B)8 m& v4 ^0 k Q$ C1 g/ _
12-1608 Maximum Voltage/ H% z: d/ }8 U8 }& r
12-1610 Joints and splices 6 k! o; m6 r. Q2 n- ~, o
Underfloor Raceways
0 {4 O! W5 ^+ _+ R' b; ^0 D" N3 y/ f12-1712 Discontinued Outlets in Underfloor Raceways
( T( |: C8 a$ A$ D9 FCellular Floors7 M! A' }( b: n* X
12-1804 Maximum Conductor Size in Cellular Floor
& ~/ [+ a# t2 u; b/ Z12-1820 Cellular floor discontinued outlets
- \3 x" N2 d- k( ^Auxiliary Gutters# K+ w9 t4 S! ~" T) N% I
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
, [3 e/ C& b% v1 a4 m, Z$ L12-1902 Auxiliary Gutter Supports& Y [2 M/ Y2 _# M4 R
12-1904 Auxiliary Gutter Cross-Sectional Area
) {4 o6 ^6 ~; F+ \( e6 V0 _Busways and Splitters9 t% ^- [) N; p1 Y4 X0 x
12-2004 AC Circuits in Busways and Splitters
+ q, S9 J( x: ?( v' k+ m12-2006 Busway and Splitter Supports# S( t) V$ X" Y5 N+ Q7 R' o% N3 v
12-2008 Method of Installation of Busways# B+ L p$ K# y9 U, S
12-2012 Reduction in Size of Busways
' _% n8 F6 l- H8 \3 ^& v12-2014 Length of Busways Used as Branch Circuits$ }& f6 i% N( Z
12-2018 Taps in Splitters. m w& s3 O3 |) A; [0 y- ?* G
Wireways7 J2 s6 K c! `2 H: [
12-2104 Conductors in Wireways2 L5 T5 L1 a9 w" A" x3 |) C
12-2106 Taps and Splices in Wireways" H4 }+ Y: A6 m9 v' s. W A$ p5 E
Cable Trays
) M1 K+ O/ V. g9 F12-2200 Method of Installation (Appendix B): F* d6 X7 b* [& q: `
12-2204 Joints and Splices Within Cable Trays
+ q. ?0 b5 C( b* r2 d" w% L12-2208 Provisions for Bonding; Q y* j9 C J, D9 p" Y( P
12-2210 Ampacities of Conductors in Cable Trays
* m/ G! e- B; Q0 H4 qInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
, p0 e. z) H H1 b12-3000 Maximum Number of Outlets Per Circuit7 @. k8 i5 \7 G l# B1 q D8 r* o
N 8-3041 Q9 w2 n* E* D# G$ @
12-3002 Outlet Boxes (Appendix B)
( Z2 s. ?4 ~# l& ?+ P `, zN 12-3000
+ H; n! Q" H, r6 Z12-3004 Outlet Box Covers4 |' R6 f! X4 _
N 12-3002& s' T) C8 y2 t% z9 l4 Z0 s
12-3010 Boxes in Concrete Construction) d" {: `9 i5 p* B( p9 H$ X
N 12-30089 f! y+ D0 y0 @" n
12-3012 Outlet Box Supports
" y2 u0 Z7 C6 ~: n( k, u4 BN 12-30108 j1 t q+ t3 e9 S4 _$ S8 B/ }! U2 v
12-3016 Accessibility of Junction Boxes' `4 O; ~1 p! N0 A
N 12-30147 g5 k$ T, r1 F5 o$ c! \; Q
12-3018 Flush Boxes, cabinets, and Fittings9 k7 K# v# V8 [/ y& u- o
N 12-3016
v5 w5 m2 A! d) S! X0 E- S12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
8 \7 c/ B+ K! O4 U" S" fN 12-3022/ a+ R. c. @5 A' ~9 f/ r1 L
12-3036 Maximum Number of conductors in a Box - Table 23; Y- p; B* q1 i' s E$ R b* ]
N 12-3034
" V. E, A# O) f' T6 C: |12-3038 Pull Box or Junction box Sizes1 c) L6 R% h5 Q6 a6 r
N 12-30361 I5 i+ B, {' H! \) c! a
: ^& Q B& Y; L6 X3 l
Section 14 Protection and Control
9 g% I" n0 N' kGeneral Requirement
, E4 K: K3 R% @& g1 N14-010 Protective and Control Devices Required' F2 s: B& W; j C" _2 {0 i2 X) y
14-016 Connection of Devices& p% F1 }' N" ^# |3 R7 E9 s* l9 l
Protective Devices – General( p9 I5 {/ n! f; K
14-100 Overcurrent Devices Required* L, b2 L$ e, y. }/ U; ?) E+ I8 F8 P$ L
14-102 Ground Fault Protection (Appendix B)
) @: S$ j1 h F9 e M14-104 Rating of Overcurrent Devices (Appendix B) Table 13
8 R/ @& w" H& e14-112 Overcurrent Devices in Parallel9 ?/ A8 a {9 X1 G( |8 r. ^
Fuses
) ^6 x' ?4 \' s N1 r0 h14-200 Time-Delay and Low-Melting Point Fuses( w. _1 l: J7 s. ?3 y( d8 B
14-202 Use of Plug Fuses
- s- z3 d- f" n' q# r) ~1 Q14-208 Rating of Fuses
) N9 M; i( K- _8 X14-212 Use of Fuses (Appendix B)6 A5 m& S' E* Y$ P
Circuit Breakers& s0 }5 u. _/ C8 D; t& r) h5 D
14-300 Circuit Breakers, General
8 E* Q' G2 b( w1 f" u4 K A2 }14-306 Tripping Elements for Circuit Breakers
9 F+ O$ T0 G3 w6 _ W14-308 Battery Control Power for Circuit Breakers
: ]$ V+ S! |$ m- u$ t! r7 nControl Devices - General! [/ W# n; g0 e! D' I
14-402 Disconnecting Means Required for Fused Circuits. ^. B% N/ u! Y% V$ W- t$ h7 H8 a
Control Devices - Switches$ t u0 l$ t9 A# c/ O; j& Y7 `% E; j
14-502 Mounting of knife Switches
9 ^* t: `6 t: b/ f6 n6 O% A14-504 Maximum Rating of Switches
7 p, i4 J! _# |, H+ ?) p14-508 Rating of General-Use AC/DC Switches (Appendix B); o0 C& L3 r8 I$ ^
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
9 u% \' X: g5 Q9 JSolid State Devices
" }1 }+ T! x9 R' p R14-700 Restriction of Use
$ t4 C" o; r, Y q* {14-702 Disconnecting Means Required
, K; s) v! O" j9 B2 B8 t% @" G7 N2 X$ j; q$ A
Section 16 Class 1 and Class 2 Circuits# C1 C! ]5 Y' v" j: M8 Y- L. Z
General# l0 x2 H$ t5 U% R- m3 t
16-004 Class 1 Extra-Low-Voltage Power Circuits
# u2 a5 Z- k- b- T16-006 Class 2 Low-Energy Power Circuits
) V4 b' o5 z. ^* J: M$ {16-012 Circuits in Communication Cables; X7 r- B8 x* G* |8 @4 g
Class 1 Circuits
# z7 {7 u4 l8 Z8 d1 }) ^9 I; C16-100 Limitation of Class 1 Circuits
- n0 h! y0 M- g1 Q8 h16-104 Overcurrent Protection of Class 1 Circuits
, B$ v( n H9 \4 J16-106 Location of Overcurrent Devices in Class 1 Circuits! h( O @! T) c- ]$ q
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
- \% ]" i' \' W; b' N C16-110 Conductor Material and Sizes, @% g+ b! ~ \4 E, Z) t4 @
16-112 Insulated Conductors for Class 1 Wiring6 Y( a3 @5 @( ~
Class 2 Circuits
) f7 F: \' X& G7 h16-200 Limitations of Class 2 Circuits (Appendix B)
& ^3 i3 F D5 R5 g16-204 Marking7 g) X4 M; C0 P3 m7 a
16-206 Overcurrent Protection for Class 2 Circuits
7 }5 C5 s% i9 B16-210 Conductors for Class 2 Circuit Wiring (Appendix B)1 C# `; v( P9 I3 S( C; I& U
ELC: extra-low-voltage cable; h8 R0 c! p1 e1 C; v; E
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
$ R8 S* t7 W3 |$ |! E! F/ m, i4 s- q7 h7 z& @$ l% n2 F" F
Section 18 Hazardous Locations* I9 P# T0 L; W! S; T0 J
Scope and Introduction% S' b3 h7 w+ ~& n4 Z- q ]
18-004 Classification7 j6 \! F3 d0 \2 r" ]5 e7 f
18-006 Division of Class I Locations (Appendices B and J)- D& D9 f/ V* I4 F: C: Y! x
18-008 Division of Class II Locations (Appendix B)
7 z1 g5 a! G1 w, C18-010 Division of Class III Locations (Appendix B)% p( G% W9 h$ }8 |. b. H/ P8 P
General$ g# i/ Q: z2 j0 s8 ?7 G$ `: X
18-062 Metal-Covered Cable (Appendix B) j9 C) ]1 p6 S) W( K1 V6 @6 O
Installations in Class 1, Zone 1 Location" B- j- L5 D, X
18-108 Sealing, Class I, Zone I (Appendix B)$ \0 z' D* |# T7 [2 [
7 @- {8 t N: P8 @6 B8 Q& aSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
* M# y @; t/ W |, D! j8 q$ pGasoline Dispensing and Service Stations: W! R" q; y2 K9 W# ?& q; E3 y
20-002 General$ R/ ~! h4 q+ l: m- T2 A
20-004 Hazardous Area (Appendix B)
+ |) y3 s4 Y; z& ^5 f; {; t5 L9 [Propane Dispensing, Container Filling, and Storage
. d1 O! G/ r' `4 |/ L20-034 Hazardous Areas - Table 633 A D( [1 I3 r
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities# H# h" o: `9 I* K7 G! b
20-062 Hazardous Areas/ a; \; v O s& J& X* p
Commercial Garages – Repairs and Storage* I) n4 V( |( N }" @0 y/ G
20-100 Scope
' w7 X m1 N% {# S x m, t20-102 Hazardous Areas (1) . e2 q! H- ^$ R6 v4 F
7 z8 K S. Y. j
Section 24 Patient Care Areas
0 r9 M o0 e3 Q: L! u% |24-000 Scope (Appendix B)
! r: |8 z% `2 Z24-002 Special Terminology (Appendix B)3 O( d6 h+ t" \- L( s+ @
Patient care area7 W; `+ W( D0 v7 S
Patient Care Areas: r. l3 D. C. X( G7 C. U @- p0 r
24-106 Receptacles in Basic Care Areas (Appendix B)
& i/ Y! J J- p2 O x, {7 OIsolated Systems
# f$ [# j8 E% I( K! T/ z: q1 `24-204 Single-Phase Isolated Circuits (Appendix B)
5 d3 ~) v4 I3 H) e: B, Y24-206
6 q6 ^3 J- h& T6 P
9 F7 W/ L: {( m* a( _' C6 H- RSection 26 Installation of Electrical Equipment
& x2 E. b8 x, D( |' `% w% DGeneral
. A0 k0 Y! i, ~1 r0 X9 v1 V& ^2 M26-004 Equipment Over Combustible Surfaces (Appendix B); E% y w, E) ^- F9 n
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
0 Z' n* G; R0 x( f% d3 x9 P# _% P Isolating Switches' F. ^2 Q% R0 r( H n
26-100 Location of Isolating Switches0 _) z; K7 x. ~+ Z: C
Capacitors
1 Q, v: p W* q# Q# ?0 B26-204 Guarding of Capacitors7 } Y! V' e: ^: P G
26-206 Grounding of Capacitors
9 n4 } s, x+ v: E26-208 Conductor Size for Capacitors0 Q& p8 B* ^; s# L0 c. ?% z3 `
26-210 Overcurrent Protection (Appendix B)
1 f$ U# {/ E2 n; c3 Y# T26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits: h; d' e5 e2 Z- ]6 }# }" }
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits" ^6 r- O% U: P6 x u, ~
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits: P4 [$ I) r" l" k3 n4 M7 T
26-218 Special Provisions for Motor Circuit Capacitors1 d: ~* B+ B) i7 b }( A
26-222 Drainage of Stored Charge of Capacitors
4 Y3 b* _2 P |% W# J- FTransformers- n ]% i H; t" P1 x; X$ Q
26-240 Transformers, General& w6 D2 u+ W# g- v. ?
26-242 Outdoor Transformer Installations
) w$ m$ e" f2 l+ t, o* B" x- a( ?26-244 Transformers, Mounted on Roofs (Appendix B)5 m: B* V6 B0 A/ H: \
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B); z. r ?( S% W. W) J
26-248 Dry-Core, Open-Ventilated Type Transformers( _5 m8 r- v; g8 a2 ~
26-250 Disconnecting Means for Transformers
/ {( |1 w s) ?8 {26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
6 X4 |/ d- E4 d26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers. k3 \; e- W" T" m8 _9 }4 l
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B); N6 v- M( C; F0 f
26-258 Conductor Size for Transformers3 g2 V2 ~/ ], l8 K9 u
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)8 @4 q- @7 s. j3 L$ {
26-262 Marking of Transformers5 |$ M9 m% w8 B
26-264 Auto-Transformers
: k4 F# ]) I- z" w! P5 }Fences
( Y9 ]: I5 Y4 e# e! g26-302 Clearance of Equipment - Table 334 D) A( m* J3 q" G5 n A
Panelboards
. r4 G- T& r: I( |, Q3 `& N26-400 Panelboards in Dwelling Units (Appendix B)5 k8 ?1 H6 X! b5 J4 I7 Q8 C
26-402 Location of Panelboards (Appendix G)5 e! t6 _) D) v, C
Lightning Arresters
4 [/ N2 b' O! o$ F2 J26-508 Connection of Lightning Arresters
# p2 ?1 ]0 i' C u0 }Storage Batteries) t" v+ X: Q4 o! \
26-542 Special Terminology4 E+ T2 z' _: Q9 p
26-550 Battery Installation* l/ \& }, r+ p, x2 a3 a) H
26-552 Wiring to Batteries
8 M2 J. N o; i7 v/ b: |Arc Lamps
3 `$ D! i* m* ?% F; x) ]4 K26-600 Location of Arc Lamps: u' @0 t- U& n/ A# d: E+ @- c
26-602 Conductors to Arc Lamps
) N4 \6 L1 U$ X/ h26-608 Globes and Spark Arresters
5 h. T! e3 b( u4 _: e ZReceptacles
4 |; o% {" [% V( [: A! c9 w26-700 General (Appendix B)
% c( |9 i4 g! ~( d1 s26-702 Receptacles Exposed to the Weather
! H6 H) _" J2 ~% k! e0 O) P& M [Receptacles in Residential Occupancies* x3 J) H! ]# m& N. L
26-710 General (Appendices B and G)
6 J- p8 t0 g; d+ C3 v" [4 \26-712 Receptacles in Dwelling Units (Appendices B and G)
3 A7 G. r7 Z$ _' [0 a, f% }26-714 Receptacles in Single Dwellings (Appendices B and G)
+ y: K3 ~4 g) u, ~0 ZBranch Circuits in Residential Occupancies
6 l- X3 T& ]1 z. N$ g8 N) w26-720 General9 a3 r4 f8 s# N3 \/ L q! ~/ Q. Y
26-722 Branch Circuits in Dwelling Units! ~* E- m! F! P/ s" w
26-724 Branch Circuits in Single Dwellings
/ x7 l% b8 U3 V7 l4 m* ]$ w: W' ~1 \26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)/ L) r- l! Y4 ?( N+ S
N 26-720 (F)7 j" [( A" e+ k A+ }% I0 z2 V0 {
Electric Heating and Cooking Appliances
8 m( L( N* P0 T1 T" Q, K2 M# ^& i& ~26-744 Supply connections for Appliances ]( y+ x! b! m: c5 ~* C
26-750 Installation of Storage-Tank Water Heaters4 U, M% f3 w7 N$ h1 P+ W
26-752 Infrared Drying Lamps
* v) G. b) `" f ^; h: p, ?
g9 N3 i Q" d, sSection 28 Motors and Generators# e9 `" [, W$ D+ j( ^: r+ j% n
General! p8 k& Z. k4 t3 \
28-010 Special Terminology" I m4 ~& C H5 o" U3 e5 V
Hermetic refrigerant motor compressor% B; e' N; l# H% c
Locked rotor current rating
- J: n5 }8 G6 I8 p6 S2 ]Service Factor
, c2 o5 T4 |8 a0 W5 aTable 44; Table 45; Table-D2; B; G# u( j0 J. @5 X$ y3 H7 H. w
Wiring Methods and Conductors8 k. v8 U8 M$ d: }) P6 z
28-102 Portable Motors* Z0 s" ]6 Q/ y# Z8 | `
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity K, _& @3 k% b. E5 l% M
28-106 Conductors, Individual Motors8 a* J3 _0 t. }) {& V
28-108 Conductors, Two or More Motors
, n/ R' }! a7 |, s" ?/ o0 D% \28-110 Feeder Conductors
9 d) j# x2 [; a7 R) }28-112 Secondary Conductors9 v' g2 d" |& {5 a; M
Overcurrent Protection! i5 I8 N* L4 E* C, b3 X
28-200 Branch Circuit Overcurrent Protection
& \% _ x. B$ ^* j/ f, L0 @28-204 Feeder Overcurrent Protection
3 c2 Y& Q8 |% u# R28-206 Grouping of Motors on a Single Branch Circuit% o) ]2 Q: _' R6 W( K( j- X# l+ t
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
; K: N& K" r0 R qOverload and Overheating Protection8 P3 g8 |6 d1 D
28-302 Types of Overload Protection! I; F! d$ c: Q7 _3 u
28-304 Number and Location of Overload Devices (Appendix B) Table 25) h: I5 T& I9 J0 ^' x) B
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
1 c* ^0 e, A2 [9 o: o28-308 Overload Protection Not Required0 v" v! L8 \9 Y8 u V* S' C0 T
Undervoltage Protection : ~, I7 _& |/ Q1 t8 O
28-400 Undervoltage Protection Required for Motors (Appendix B)& R6 i" U; e0 _8 w
Control" m1 @ q9 c- w, j4 x
28-500 Control Required& v6 H5 I- W: }' S! A) l
28-502 Control Location
* m! e4 H6 M- p4 q# ^6 c) v& p28-504 Starters Having Different Starting and Running Position
% o$ o& T$ T! A% I+ n1 a28-506 Grounded Control Circuit
, s& B1 P9 B z( UDisconnecting Means, W! e- t% o1 Z" M
28-600 Disconnecting Means Required2 ?: T$ B9 Q: |, A8 r5 F
28-602 Types and Ratings of disconnecting Means (Appendix B)- C7 t" T1 L$ Y1 P& @4 v
28-604 Location of Disconnecting Means
( |& B7 @+ h8 l7 \. n3 L) C Hermetic Refrigerant Motor-Compressors
1 h( S, ^( J" F9 ]28-706 Conductor Ampacity& p! F4 F& @2 h! C6 A" {
28-708 Overcurrent Protection4 b9 W$ Y4 ?; ^+ W9 v
28-714 Disconnecting Means2 y$ U; c) y3 D0 G
Protection and Control of Generators
+ X; x: t( b6 ^28-900 Disconnecting Means Required for Generators
' _/ R5 ^$ N1 T8 G28-902 Protection of Constant-Voltage Generators
5 P- ?! t7 U) E' \1 S1 s' b28-904 Generator Not Driven by Electricity
8 r4 x+ B- k1 A7 U" Y: f28-906 Balancer sets
- m/ Z6 C3 M- G3 d28-908 Three-Wire Direct-Current Generators+ j' v- ^" f9 e
) C2 h$ h2 F8 p( m8 S7 OSection 30 Installation of Lighting Equipment
1 N! d. u# F# _2 g+ _6 Y% i8 D30-002 Special Terminology (Appendix B)1 \0 N, l- D+ C! Z3 v9 b7 x
General
5 p% }7 d6 c/ b7 Y+ [30-102 Voltage% w9 U. e1 _& e) N* g+ y' N# A" K
30-104 Protection (Appendix B)/ j1 N% f2 c, w# h$ G5 |& R0 O+ d1 j
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment2 T' \0 J5 e- N$ R) n6 k& N
30-108 Polarization of Luminaires
3 J4 Q0 V, H& K" W5 W2 v T: ~3 A30-110 Bonding of Lighting Equipment
' A' o2 W5 q4 `Location of Lighting Equipment, y; u0 d9 T2 O1 V, t5 m, |& l" O+ b
30-200 Near or Over Combustible Material
/ g3 s" e5 p) ~30-202 In Show Windows- w/ i, s1 G& K3 k3 Z
30-204 In Clothes Closets
# Z( ~/ o+ b9 X9 IInstallation of Lighting Equipment9 o' m# f7 I1 m, E: }
30-302 Support- S9 n- z- t3 u* {
30-304 Outlet Boxes to be Covered W4 U' Y8 Z7 `! a- E) V- H
30-308 Circuit Connections
: K, G# D* u6 ]4 E, D30-310 Luminaire as a Raceway7 f& f7 S& l* Z3 A: c; w% U) B
30-314 Minimum Height of Low Luminaires! q% }8 r$ f9 I, k$ E& V
30-316 Luminaires Exposed to Flying Objects
; {9 B& \ n+ F) a30-320 Luminaires in Damp or Wet Locations
) f) D1 R1 N3 `% zN 30-318# d% u7 g; H( k9 F6 r: e* u$ [; e8 Z
Wiring of Lighting Equipment3 Y, E5 G8 T8 u F
30-400 Wiring of Luminaires
' W% e. h9 U9 v9 I) ^( e30-402 Colour Coding, l) z1 R; }6 y9 G) k4 q
30-404 Conductor Insulation9 P, m2 S( x) q# p' i
30-406 Conductors on Movable Parts
) m0 H! E; W# x K30-408 Wiring of Ceiling Outlet Boxes4 N4 f$ b, A% n4 _5 o
30-410 Wiring of Show Window Luminaires
8 @ U1 w, {0 o! U& q! r30-412 Tap Connection Conductors9 C( {4 Y5 X7 }* Q3 }: l5 L" I: ^6 l# V1 F
Luminaires in buildings of Residential Occupancy- ^$ x- O3 X& H% H, R8 K% B+ C
30-500 Lighting Equipment at Entrances (Appendix G); @( n! `' q1 m: f2 A5 ?0 r
30-502 Luminaires in Dwelling Units (Appendix G)
! B! ^7 b! j+ [( Q/ [; l7 ?: V30-504 Stairways (Appendix G)( k& J6 @& |% C9 _( C" S" r+ Y
30-506 Basements (Appendix G)8 @7 T* j& h) F
30-508 Storage Rooms (Appendix G)
1 I3 z( m9 I/ k. f, Y; F30-510 Garages and Carports (Appendix G)
' ?9 \! h* e0 j( f* nLampholders& w* x" O6 D+ f+ Z
30-600 Lampholder rating with Incandescent Lamps. {( C" A3 A w( ~' {% ~3 j
N CANCEL
0 E/ V* O! A! ^30-602 Connections to Lampholders
1 P0 Z6 D3 B2 i8 |! dN 30-600: w; B; [- d$ r
30-604 Switched Lampholders Used on Unidentified Circuits
9 \! y' N5 |: Q1 l* UN 30-6021 {5 P4 { ~6 V) |4 x/ j
30-606 Switched Lampholders with Pull-Type Mechanisms
( M% y- I7 r4 |/ t. r1 t4 w* [. bN 30-604
8 ]6 Y; X9 X4 W* n3 b/ V; `30-610 Pendant Lampholders
& R3 S8 e0 V) N3 _% ^ `1 v1 b6 eN 30-608
" i/ ?' f8 T% K3 I2 Q: lElectric-Discharge Lighting Systems Operating at 1000V or Less8 W. x G" O1 }5 c! _, Z
30-710 Control (Appendix B)
) x2 N0 I: ~- w8 {. y4 L1 Z$ T30-712 Branch Circuit Capacity
! w; V ?, m1 o* U1 xElectric-Discharge Lighting Systems Operating at More Than 1000V" w( B" f0 w* v6 v5 A
30-802 Voltages, Dwelling Units% t+ W6 l+ q+ e6 b8 v
30-804 control (Appendix B)1 X% c" |, l: L7 z' a5 l* p5 x
Recessed Luminaires (Appendix G)
9 s V, y0 `6 p) r1 b30-902 Spacings for Non-IC Type Luminaires
, ~, A! D( C4 ]" L6 b; x30-910 Wiring of Recessed Luminaires (Appendix B)
; Q9 ?; G" y, I; `Exposed Wiring for Permanent Outdoor Lighting
4 E! h& a( ~8 Y30-1120 Branch Circuit Loading and Protection
- E2 F* F, |- c! GExtra-Low-Voltage Lighting Systems
2 Z/ j9 y. a8 P0 X/ f* X n5 B30-1202 Sources of Supply5 M/ [( E' e* R6 P
7 g* C4 Z { [" }1 ^: |Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)! J% B4 Q; F; W+ z- U
Fire Alarm Systems3 C T1 Q% v- v
32-100 Conductors( A" r, w( F( \! P/ Q- ? }9 m
32-102 Wiring Method
& p+ M3 G# H6 a32-104 Equipment Bonding1 E2 [4 s a! B' u0 F* @+ L
32-106 Electrical Supervision
9 \6 D. ?* f' i7 C/ Z; X32-108 Current Supply7 {7 Z. n. K2 A6 `* Z; n
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
: A' a$ E7 ^( M( h: [Fire Pumps, M: I% x/ F' r- ]1 S; U% A
32-208 Overcurrent Protection (Appendix B)
! p9 H$ i4 i9 C' ON 32-206* U& B' O P7 w
32-210 Overload and Overheating Protection (Appendix B)2 E3 ]2 K. M3 V" N+ m4 S9 Z
32-212 Ground Fault Circuit Interrupter (Appendix B)4 o! |4 [& I: ?$ z) }1 \1 C9 P" C5 Q
* ~9 K( T0 u1 {, gSection 36 High-Voltage Installations
3 E- t' K0 T! q0 w5 M8 d. Q6 ]3 \4 XGeneral1 O8 w6 l# @/ }$ f3 g# h2 E
36-000 Scope (Appendix B)/ t) T- I3 R1 }
36-006 Warning Notices% s, }4 y9 R) T6 f
Wiring Methods5 E- C/ h- ^4 I, D; Q1 S
36-102 Radii of Bends* ~, K" d5 ~4 T7 b1 {
36-104 Shielding of thermoset insulated conductors. `: E- T" [3 I4 s: A4 X1 P
36-108 Spacing of Exposed Conductors (1) table 30, table 31! L- Q; x$ b9 X' ] P5 s
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 349 j! \6 Y; y4 R! Y+ M7 y4 r
Control and Protective Equipment
. }' a: y: W, C9 p: j1 `( F" J4 Z36-214 Disconnecting Means. l0 U2 ^' j: K( c. y! C
Grounding and Bonding( z9 J3 Z4 {0 @# M, T, T6 C" g1 x
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections- q X- c# I" ~ m" b* r( k
36-302 Station Ground Electrode (Appendix B)- f3 b4 p! i3 Q+ D% ^
36-304 Station Ground Resistance (Appendix B)8 I( y2 {7 l7 c( e
36-308 Connections to the Station Ground Electrode (Appendix B)
% N$ S) Z/ N& Y( c4 ~36-310 Gang-Operated Switch Handle Grounds# Y9 x4 v, s$ H) ^6 M; g
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations/ ^! s$ I2 Z4 a8 q7 h6 u6 l; Y
9 u$ ]) a& R1 p' J; m) g" ]
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment, B- X! S0 ^6 [ @ u4 D4 l! S
38-002 Special Terminology (Appendix B)2 Y p7 Z' R, {7 {% m! q8 ?- V0 n0 e
38-003 Voltage Limitations (Appendix B)% Y% O& h% F0 s1 p* Q5 ~& N- X
38-004 Live Parts Enclosed1 r2 f# B' \! g% g: R! ]3 X4 f
38-005 Working Clearances8 |1 p* U; V" M' f1 y
38-011 Insulation and Types of Conductors- B0 v- q4 t/ u; z
38-012 Minimum Size of Conductors( u: T' b" z* r6 z' s( a+ g
! X! _: q& D3 j1 j# L5 O
Section 40 Electric Cranes and Hoists
8 `2 T9 |4 ]7 g40-008 Disconnecting Means2 t6 I; h# }4 \/ f% \5 s
40-010 Main Contact Conductors
" D) W3 E: K; F" [ c+ O4 `: V; X) r' Y) p" u$ f! }1 {7 X
Section 42 Electric Welders! }/ g: ]8 \+ r7 _- I8 @. J5 P
Transformer Arc Welders6 q" D) B1 j! F, N1 W
42-006 Supply Conductors
( ~9 x u6 r+ H% k3 v5 q, ~$ q! t6 W. `# N
Section 44: Theatre Installations, S0 P1 m, R7 E- H, V
General3 w) t4 O& C' k8 Q8 @
44-104 Number of Conductors in Raceways" r* @/ x2 i8 A
44-106 Aisle Lights in Moving Picture Theatres& X: L* C1 `3 Y1 [
Fixed Stage Switchboards
- E9 u7 k/ I/ R% [8 \( H4 Z, T' D44-210 Overcurrent Protection7 q4 j% K) U, E% k; q* W
Fixed Stage Equipment
7 E6 N9 f4 O3 v- _# N+ }8 S: K$ T44-324 Receptacles in Gallery Pockets
, d% m% h6 u0 n! n5 R7 o44-326 Receptacles and Plugs
' d6 f$ r! w; k4 k) a2 g
* |4 W3 {+ `9 }8 t& `5 h7 m3 v5 F5 ESection 46 Emergency Systems, Unit Equipment, and Exit Signs+ s: R( S6 P, k! N* b6 ]0 E+ C
General) o; Z3 ?* S! H) I) F
46-102 Instructions
4 |5 K9 s# t2 e) n: G8 I46-108 Method of Wiring (Appendices B and G)
# N ~9 X+ e8 c5 h) b' X- @Emergency Systems( n) W2 r) O! e
46-202 Supply (Appendix G)3 h# F8 p" |5 j- G: u/ Y
46-204 Control: |, x' O& O' `7 Y8 J/ t" v
46-206 Overcurrent Protection1 e0 S" c- o Q- ?/ r
46-210 Remote Lamps! O+ [% D! a- e+ T6 r% m- K
Unit Equipment
% X( ]% O/ L1 C46-304 Supply Connections
: w* R. l3 c6 L$ x2 K; `, p$ v+ d46-306 Remote Lamps (Appendix B)
% y% {3 n% ^& X! ?Exit Signs
3 e8 h# K% t( \: p* k6 X+ m7 P46-400 Exit Signs (Appendix B and G)
2 \ I- r5 {7 }$ ^- _0 t9 N5 l# B7 s5 E+ p) N
Section 54 Community Antenna Distribution and Radio and Television Installations M/ R) N* I8 t
54-000 Scope# L9 V* C( S8 V2 k p
54-004 Community Antenna Distribution (Appendix B)
5 H" r. c$ s4 v" b3 V, |- [Community Antenna distribution
! {, q2 E2 o" _8 @- \54-100 Conductors
& c3 {* v! r6 t( E+ _54-102 Voltage and Current Limitations (Appendix B)
/ n6 t4 }, `4 TProtection
0 w! f" g8 j* N) k& g8 O/ T7 F; _54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)# E( M. B* i0 F" d* K2 |% q/ B
Grounding
|7 }9 f! y1 }6 \& r% P9 S$ K J5 T54-300 Grounding Conductor' h9 i9 ?' b v5 ]7 v
Conductors Within Buildings! n! H$ g2 g6 i
54-400 Separation from Other Conductors. f- a8 x/ q" y0 L8 ?
Equipment) C# g% b: z7 I" t0 ]& E
54-500 Community Antenna Distribution Amplifiers and Other Power Sources
) g* B# t) a3 e, A$ y* V/ X4 V54-502 Exposed Equipment and Terminations5 a; L) b1 n. X6 L
; Y$ [2 S3 n- \; s8 r% ASection 56 Optical Fiber Cables3 Z$ s& ]; U% \& _
General; S3 Z( P2 m; d$ h- T1 i6 k. C
56-100 Special Terminology
3 D( W; ?& O: U& S# G56-102 Types; ~ g+ B. x y: G+ h) t- E
Installation Methods: H( [& L: \. `
56-200 Nonconductive Optical Fiber Cables (Appendix B)
6 Q, G: s+ t: m9 c+ M* ^- ^6 ^ ]7 V- Z56-202 Conductive Optical Fiber Cables (Appendix B)
- p) _" T' a* r% H5 Y& A8 ^2 q! c56-204 Hybrid Cables* _$ B" Y1 o( R7 ]
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
8 R, b- K' r, Q9 g6 Y0 K- A0 C; o! `& j5 G
Section 60 Electrical Communication Systems
$ h- I! x i6 AGeneral
6 I2 d, ?+ Z8 n# x; `: M; }5 ^60-100 Special Terminology3 ]$ }! _' O; E% t3 \+ j3 C3 n9 O; b
Protection+ E( ?: E9 B" E4 |3 ~ b3 l/ [8 b/ L
60-202 Primary Protector Requirements2 t1 A) O4 {& H9 c% s
Inside Conductors
0 }+ U/ K, V3 k+ ^" j1 U- e60-308 Separation from Other Conductors. B+ ? n, I: C7 {% ^
Equipment
3 L! O# h& b0 `60-404 Exposed Equipment and Terminations# u s* W: ^' E2 J. \2 P4 F+ F# n, t
Underground Circuits$ |$ {! J8 d% }% B! b
60-600 Direct Buried Systems: f- i7 O( I+ L
5 C6 f( n' {3 E( s
Section 62 Fixed Electric Space and Surface Heating Systems
! J- W1 J' K" O s3 {General
9 ^0 G" m( q3 e! o62-102 Special Terminology
! ?. V. e* z/ W+ P' x62-108 Branch Circuits/ Z- G+ M; w! y0 L+ x% M& n
62-110 Installation of Fixtures
; W* t0 r- z8 ~9 @! f62-114 Overcurrent Protection and Grouping (Appendix B) (5)
5 L0 a% s" `8 I6 p1 d( d- H- V9 V62-116 Demand Factors for Service Conductors and Feeders (2)
' n; B3 M3 M# [' t1 z3 N62-118 Temperature Control Devices* D: K% [6 v9 }
62-122 Installation of Series Heating Cable Sets (4)(7)( t% ]) n( |8 z. h% t% ?% s' I e
Electric Space Heating Systems! U `$ d; k* w- X# t. d
62-202 Temperature Control
4 l/ @; K+ o# p' D) l* @62-206 Proximity of Other Wiring (Appendix B)
. V: t# U1 Y' o$ E6 y* m62-214 Installation of Heating Panels and Heating Panel Sets& }4 w! J2 a0 D# X- u* c! N3 S+ t
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings. `4 b" n* v; o; L/ Q8 ~" c
62-226 Installation of Under-Floor Covering Heating Panel Sets
$ ~; s4 D) b4 z( r( r' sElectric Surface Heating Systems
v2 o& A7 M$ J4 M$ { E& m$ P62-306 Heating Cables and Heating Panels Installed Below the Heated Surface. l, x7 T9 N: X7 {% D9 B6 C
! Q" B- c. F2 ]' c) YSection 68 Pools, Tubs, and Spas# @7 v4 z ]' H" L) p9 S$ L
General- Q/ @/ E) I) l+ j1 Z \3 w" M/ G: n
68-050 Special Terminology
* ?: ]. y1 j( {- ^5 t: D8 A68-056 Underground Wiring - Table 61: r- n, O4 D, o: _
68-058 Bonding to Ground (Appendix B)
6 N7 d7 U0 U: k68-060 Junction and Deck Boxes (Appendix B)+ [# `6 b: z9 z; u
68-064 Receptacles
# Q: @3 _: P" B. W68-066 Luminaires and Lighting Equipment$ E2 K/ G' f6 J7 ^
68-068 Ground Fault Circuit Interrupters (Appendix B)
% e% C4 K( j; C ~! f' q" b5 s) U, I `- E
Section 70 — Electrical requirements for factory-built relocatable structures and
7 l' q( c" Q7 i# J3 h3 Znon-relocatable structures
( M- `! m) Y5 J/ D+ s70-130 Tests (see Appendix B)
: A! B5 D# K9 Y- o5 i" w9 n4 d1 Q- o2 M$ Q5 B
Section 76 Temporary Wiring (Appendix G)
7 }+ r( \' O3 d3 R5 F+ P76-004 Grounding
" h* @8 q$ J# Q76-008 Service Entrance Equipment
- H5 ?% o" a$ G8 t8 A2 y; UN 76-006( w) y1 V' e! |3 r3 R% k7 }8 h% {$ f
76-014 Branch Circuits
* M. p$ |0 y G+ L- pN 76-012
* K' i/ [3 A" K( U B. e
* ] A9 S3 H C# oSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
' r- ~4 H$ ?1 i6 |Marinas and Yacht Clubs6 a9 |3 F: {. j9 C4 }1 X8 S
78-052 Receptacles
3 D3 e b# R* p4 F0 ~78-056 Feeders and Services3 z: m, {/ h/ n5 m- a! j
Marine Wharves, Structures, and Fishing Harbours
9 O/ G' u9 w t7 ]: {- z78-106 Grounding and Bonding* p$ C" `6 v+ Z6 M b- e
Tables
' B. z7 V( r4 X' x1,2,3,4,5A,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
: r" {4 G% G* r' x) _9 O0 m! \, i, s+ O0 s( m
Diagrams: 1, 2, 7
8 L4 u2 U3 X5 U! G' u: r1 P* {* h3 P0 ^' Q) q; H. O
Appendix B
- z8 X/ J! }" P, `8 N: vP352: Ground fault circuit interrupter- 6mA4 z* c0 \/ |# V o$ F$ r
P354: 2-126 FT1, FT4: d6 A w7 n# m2 b0 m
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
9 u: D5 A! S0 w# ~9 dP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
- j! e Z4 ^7 y/ P0 YP370: 12-1012, 1118, 1214 Example:
( A7 _5 U$ ~7 g; I( d1 nP371: 12-1108- J6 ^* a; i- H. V
P381: 18-108(1)(b), 18-158(1)(b)
$ ?. w7 ~* T2 D/ O& v" `P386: 24-206
5 \, ~, D( S- {( n- b; AP389: 26-256+ w4 \! |: I- J
P391-P393: Section 28, Example to determine Motor Conductors and Protection: \$ J# r: k) c! {
2 ]& p) v( p/ y9 U. `( w BAppendix D
9 g6 K5 O' A2 ?- A( _0 O1 j9 PTable D1, D2, D3, D4, D5, D6, D7, D16 |
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