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Canadian Electrical Code Review Guide
! R" N* G/ p9 N, sFor the Exam of Electrician For Red Seal License5 T+ _# E* F3 d: y) u `5 i" U! g
. a7 d9 u* ? y6 V% j. {5 o# {/ i$ zLesson One& M: T7 I0 H9 q7 }$ {! w! I
Section 0 DEFINITIONS" d' J$ t1 n, i9 v" l
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:) c0 z3 ^3 }* l% Z9 v5 F9 i" D# |
Accessible as applied to wiring methods- P" c2 F2 k- a& r
Alive or live
' R8 @, e& Z( |, Z: V# P; j% HAluminum-sheathed cable
8 S0 b; ?/ M+ G* K: v. AAmpacity
( B6 J5 Y1 j" @% d2 E ~Authorized person( ^4 l; x8 G2 u4 X- R
Auxiliary gutter5 w1 e$ K9 |3 ?# @( r
AWG
% q8 Q9 y2 \( ^1 x: n2 _, q' X! u' {, k* nBonding
Q* H' Q/ F7 q$ c. S2 yCable tray
. b: t0 X' J- e2 Q3 m% R* UCellular floor
( q% _: ^& I- }6 y0 b( `; zBranch circuit
/ b/ T5 P, ~9 j: j9 r7 x+ HBus
- q3 D& i- @+ @Busway
+ i# L9 p F. oCommunication circuit
: I Q& B$ z0 U0 m# u8 |Extra-low-voltage power circuit+ I: A# f: q+ U) L( F$ C) l
Low-energy power circuit
7 q" y) r( B) v( NMulti-wire branch circuit
m+ S h, h5 \- l5 gRemote control circuit3 B; F- i* i' n! g; |
Signal circuit. F8 n/ A' G* N
Circuit breaker0 V4 u8 H) Z/ y/ h! L' Z6 t
Instantaneous-trip circuit breaker
; h$ x. x' r+ L4 @! ]- cConductor+ ?- k. Z5 Z8 I) b9 Z" i2 |
Conduit
0 z7 @+ d( J3 J7 d3 O* P0 `) D Flexible metal conduit$ d% @0 }- v9 p% r5 i
Liquid-tight flexible conduit( w Q. G/ E. P5 M
Rigid conduit
2 s6 V! e$ j# @) A: Q Rigid metal conduit
' B8 w( g- M, y( [ Rigid nonmetallic conduit
8 e+ V2 d- D9 ` l; U& } Rigid PVC conduit
6 v( H- A1 V# Z7 A0 `' V1 k! iConnector
% X8 v7 Y6 l( W4 c% A; } Box connector' i2 ]" S* _6 G* M1 X+ A
Wire connector! R& b, S" ?" c& c& g. Q
Controller
{. ]" c' E* Z2 i( yDisconnecting means
; ]6 {& ?, ~+ F0 j+ O3 w; Y) k9 `Dust-tight
% [$ u2 G% ^ u* D# l( mDwelling unit
2 D# c) g7 T) e2 }/ SElectrical contractor' X, O' j" w, O$ D. w3 a
Electrical metallic tubing3 x0 \% N( `* d$ J _* N
Electrical nonmetallic tubing' g* \8 a% V: q) Z: q1 |* S
Emergency lighting" o. N K2 B5 r: s& }
Explosion-proof
: m8 L/ P# o7 d& p; ?9 `- LExtra-low-voltage power circuit
* K9 I+ s8 z' P2 O! B; ]: w* qFeeder
- g9 r0 ^" F* l1 m6 i3 ?6 CFlexible metal conduit
) M$ A ?) j: _! LGround
/ @. y7 S: a! W2 A1 NGround fault circuit interrupter
' g4 x% s- }0 IGrounded
6 K6 `' D$ _- n' q7 U# O9 [' h! M9 QGrounding
* X7 P$ U2 ?6 _) F: e# y" M" aGrounding conductor
9 o/ x5 @4 A0 KGrounding electrode; v) \' f# o p
Guarded$ o( P! f1 D" n5 ^/ H6 P
Hoistway
3 @8 j' i+ K3 L" ~' h3 _9 q6 yIdentified
3 C' t& p/ {+ y& {0 v0 @9 XLampholder
/ g6 I# O9 e* c+ E4 ]9 a+ fLow-voltage protection
" G$ w8 Z% ?# W( l ULow-voltage release4 y$ ]/ F6 K. n
Neutral& _# h I- w" ^$ F6 i
Noncombustible construction
6 [- |: a' k; j% F: EOutlet2 y0 C0 w8 P4 }8 @+ O$ y
Outline lighting# E5 k; [+ k' A
Over current device
S, k4 g% Q, a) d. a& H0 DOverload device. o/ B8 ?. K. ~$ t
Panel board5 B0 R# \6 D$ |
Panelboard, enclosed. w9 q# D2 o' s& @) I- {
Permanently connected equipment
, G, G- E$ O1 p8 D. _5 Y: FPermit5 x8 s' T. Q) p1 K5 t3 ]1 W
Plenum
" B# i( y, K+ N; n3 ]6 k1 ]Portable as applied to electrical equipment
7 T) D" H" G0 g& F% g- ~$ ~7 f& IPortable ground fault circuit interrupter
; o' s2 U: y3 \& p4 H$ iPower supply cord, i+ I" g, O& {9 z
Raceway: K" S- T" X5 ]2 Z' \: r
Receptacle
5 y) O# l8 u& k( S% c: ^# { Duplex receptacle( N( d: P. A& m1 _: T7 `/ U, B' r# m
Single receptacle
$ X# [! ^# v& j$ d- F; Y Split receptacle
3 N( i7 \0 @" E; RService, consumer‘s
$ ^8 \+ H6 _9 K! `Service, supply `! T4 s3 q/ u) e' Q6 Y# F* ~
Service box
. B/ j; `7 z% ?/ sService room$ D |7 ^5 g, G( M
Single-dwelling
3 b q) ]6 x/ [' W$ lSlow-burning as applied to conductor insulation5 y0 r5 l: J8 k- U9 N1 c3 R2 b8 U% _' `
Splitter
- c' M- ~3 e. G3 J* u- m6 VStarter
1 E9 U0 v# U1 P! O6 ?Switch& Z+ ?0 I0 K3 C$ j5 W" F
General-use switch' e8 \6 }3 N: D
Indicating switch; }0 b. g! O. X1 w* O3 n/ l* @: A
Isolating switch/ ^9 j! J; |. v* V* U: T- t* N0 y
Motor-circuit switch6 v6 y- w& S; m2 b2 q
System
3 _. `- ]2 J/ I6 f6 K4 R Communication system
4 O" [, C6 P9 f9 R) J6 r n Community antenna distribution system(CATV)8 t/ h0 }% z! X) f& {
Grounding system2 V& G5 H# l% @; }0 v o8 n
Underfloor raceway9 p" H8 s m, c* X
Voltage:& x* S5 w% I" q1 i( a6 k& ~6 Q1 d( J
Extra-low voltage
9 i* d* ~' t* j1 a) c+ O/ s High voltage
0 E1 v2 M/ U& n! C7 f7 O Low voltage
9 ]2 h, f D5 v6 m0 r6 { nVoltage of a circuit. N* O8 x7 C, w5 L
Voltage-to-ground
9 _3 n/ j& p$ }Wireway# I5 Q9 X! r" u
6 c8 s$ a5 W( B" g) Z& [7 ^Section 2 GENERAL RULES, t1 S1 Y2 e1 _. j! J+ _
Administrative
! V. h: H1 q7 ^( r9 }. {7 h2-018 Reconnection* b1 b5 V& X5 ^8 t* a. V7 l+ i) k
2-030 Deviation or Postponement. E, ^, u6 `1 v3 A7 Z1 }& W- _2 w% c
Technical General
/ i1 q0 j4 j: Y/ Q' y2-106 Circuit Voltage-to-Ground – Dwelling units) R2 S H) F- v3 |
2-114 Soldering Fluxes
! h) c, R. X% X; e2-116 AWG Sizes of conductors% @8 C8 w, g" a$ N9 {0 O3 n0 D; {
2-124 Fire spread (see Appendices B and G)
% ]- G# R, h: y4 \0 D& ]" o2 q; Q8 u! J2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
5 |( {; ?" N* k4 d1 L7 z$ L; PProtection of Persons and Property
+ H+ u/ E2 X$ m, f2-202 Guarding of Bare Live Parts: b7 m, P L9 n! a: C) Y
Maintenance and Operation; X8 R7 m8 I6 Z/ S+ f
2-304 Disconnection5 U6 C- i/ x0 i7 i
2-306 Maintenance of Live Equipment
1 Z% H6 Y! k6 W8 N: k- gN 2-306 Shock and flash protection (see Appendix B)
" ?7 @/ J5 P2 G. W3 T7 b/ D! r" d2-308 Working Space About Electrical Equipment: Table-56. A4 W5 z R: I
2-310 Entrance to, and Exit from, Working Space
; N0 T8 A6 A) x) D; z0 [- r2-320 Drainage
. o! g* A& [0 h2-322 Electrical Equipment near combustible Gas Meters and other Devices \, c' r. p( U6 x& h' n
Enclosures2 X6 r! J; y, _& E& r; x$ {
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
: `' q' n. @% A" P" J, {# w2-404 Marking of Motors: DP, WP, TE
+ w0 b! Y; T1 p; s5 L* w7 e2 o: b
6 c# z% r* X' n7 r+ b6 G7 fSection 4 Conductors
* h: N" W( W/ K( ^" m. Z1 v4-000 Scope% g' m/ v" T. ]2 p4 e1 U
4-002 Size of Conductors: 14#, 12#' K7 Y5 H& `% z {( x
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36 E$ z. u! \. g1 N b& M
4-006 Insulated Conductors: Table 19. A2 k0 i; P% Z& S9 p! V
4-010 Uses of Flexible Cord: Table 11
# S: ^9 c& V% o8 f, T4-012 Sizes of Flexible Cord
7 D- I3 e3 H% {1 P2 D* V, X9 U4-014 Ampacity of Flexible Cords: Table 127 I' x* n: g6 w; R# i
4-018 Equipment Wire
& p/ `& M/ a6 h6 ~$ I$ c( R5 U2 M4-020 Insulation of Neutral Conductors
2 l# G& w: {0 Z8 S# R7 g4-022 Size of Neutral conductor5 \9 N; c' _ O6 m1 U l
4-024 Common Neutral Conductor$ u& H& B/ W) d* m6 E5 ^+ m
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum* k( {. T1 O) f3 w
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
% M; D, y! U! I; b# ?$ Q1 a4-032 Identification of Type MI Neutral Conductors
+ D% w% l F8 b3 o+ J4-034 Use of Identified Conductors o- {9 L& Q& w2 B+ @2 |$ u
4-036 Colour of Conductors: Phase A, B, C, …" j0 K7 T9 X8 X8 k( ^
6 H2 u7 j. p+ h6 L2 R5 m% n# ESection 6 Services and Service Equipment7 V! |- z# R& Q* n9 X
General
, K1 j8 K4 a2 e' A* n7 O/ c6 r& W1 _6-102 Number of Supply Services Permitted
& Y# k; G" X5 }8 W7 {4 o6 t2 L6-104 Number of Consumer’s Services Permitted in or on a Building
- w- S2 a/ p! j% x8 }6-108 Supply Service from an Electric Railway System
+ o( z- a1 s9 O7 s+ [- h6-110 Three-wire Consumer’s Services ( l0 a0 e1 e( |' H L# l1 i
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
. y( ^: }1 Z; y3 t, W: \9 ?8 }6-114 Methods of terminating conductors at consumer’s service$ r1 C' h( y. b: M! @! N, _5 i4 D
6-116 Consumer’s Service Head Location
) n+ o f# [; n# D: hControl and Protective Equipment
* @1 q8 M" b9 D9 S8 f- P3 [1 f6-200 Service Equipment$ w/ @5 P% [8 o+ |% W: U; K
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
t* r( k) X' y% k3 f% Q; g$ u6-208 Consumer’s Service Conductors Location
* d+ @ g* _/ d4 |: V6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
$ y: T3 m8 o4 p8 I6-212 Wiring Space in Enclosures
: W/ L# g$ L6 G9 W2 a2 l' ? w5 w# _6-214 Marking of Service Boxes
8 Z6 |4 O ]; F$ E$ r, IWiring Methods
' s t. Y3 B+ w) Z. B& B: M% v& D: ^6-300 Underground Consumer’s Services
6 y9 D) Q6 M$ m2 a/ Z t1 W- @6-302 Overhead Consumer’s Service Conductors$ ~+ H$ q/ M" q7 t# Y) J3 R9 m
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
* ^$ ]/ V4 ^' W, E& C5 j5 S6-306 Consumer’s Service Raceways; U3 r2 S& G( l+ N3 }+ }: b
6-308 Use of Bare Neutral in Consumer’s Service
# ?8 O% ?4 P0 u" Q6-310 Use of Joints in Consumer’s Service Neutral Conductors
2 _/ v% a+ t+ k7 ?6-312 Condensation in Consumer’s Service Raceway2 ~/ f8 H Z: K
Metering Equipment
% f+ ?7 r) {+ ~+ |, R( z5 S3 J1 [6-400 Metering Equipment( @. U, `) M# k' K8 [
6-402 Method of Installing Meter Loops
9 z3 x( W r8 [3 h6-404 Enclosures for Instrument Transformers
, Q& P4 C8 g- Q% O$ `5 q6-408 Location of Meters) _, W" Q9 c, M _5 Q5 F6 z6 z
6 k0 B* H8 I. K5 ]8 G
Section 8 Circuit Loading and Demand Factors% N( A. l/ T/ H! s) ^: `3 n
General. \- l( o5 I& G
8-100 Current Calculations
, } X% C& w U! a4 {8-102 Voltage Drop ( see Appendix D)
# M. M, f" I B2 L! i8-104 Maximum Circuit Loading& A, t; q4 R- y8 A9 _+ d
8-108 Number of Branch Circuit Positions1 G$ A+ o2 T; W* o# H I _1 R, X
8-110 Determination of Areas$ I2 h* C* o ?6 L7 Z6 ?* x9 }1 ]
Services and Feeders& u% i& z/ ]; {* u2 f: O
8-200 Single Dwellings (see Appendix B)4 j9 u7 E2 L4 Q$ e
8-202 Apartment and Similar Buildings3 y2 Y" z3 a. G, O% d8 |
8-204 Schools
. T" |+ c. @* z: P6 k- T8-206 Hospitals( ~" P0 H- D3 N( I# N; g- j o
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy y: M0 {7 ^$ N9 T2 a+ K. G, A
8-210 Other Types of Occupancy (Table 14)4 c# P# q. b. L) a1 R* \
8-212 Special Lighting Circuits
% F: k4 v8 P I7 p0 ?/ ZBranch Circuits, I3 X. H$ X3 ` k0 B
8-300 Branch Circuits Supplying Electric Ranges" e' q4 d$ A& z b& U! p& p
8-302 Connected Loads1 U) G6 e8 W8 l; ?+ N
# w+ _% G9 G/ U0 {5 e7 [' ASection 10 Grounding and Bonding9 g# [0 s& h6 F4 f
Scope and Object* r' M" X7 g0 b: ^; B" {# m
10-002 Object0 g! Z$ n5 j, R- G
System and Circuit Grounding
+ @# k. s$ [; ?2 `- B! {10-102 Two-Wire Direct-Current Systems
$ V1 c; s) C2 W# h% m' L0 M* c% Q10-104 Three-Wire Direct-Current Systems& V. ?- j- {' f" \" u" u
10-106 Alternating-Current Systems
D7 E. O9 P6 Q. V' g' ?# }10-110 Electric Crane Circuits
/ \. G6 P0 ^% P+ U10-114 Circuits of Less Than 50 V- H1 |+ ?" ^3 M( u ]
10-116 Instrument Transformer Circuits
7 F7 k- g( q8 h" q2 DGrounding Connections for Systems and Circuits$ X7 n' s4 a% W5 v/ S0 C0 O
10-200 Current Over Grounding and Bonding Conductors
V# i# k* H F7 v/ g" a) l10-204 Grounding Connections for Alternating-Current Systems% N, x- U* _' |' V3 [
10-206 Grounding Connections for Isolated Systems4 ^2 @5 y! f0 g6 u
10-210 Conductor to be Grounded
8 o0 w6 t% W nConductor Enclosure Bonding: ?: b, F |# i% n! F, b! O0 P
10-302 Other Conductor Enclosures; k; D' ^' @0 \
N 10-304( E. `" C; v* b9 v
Equipment Bonding
) F2 F1 \. g' x( m0 C5 v10-400 Fixed Equipment, General2 p! ^* [, |3 d c9 B; L- u
10-402 Fixed Equipment, Specific (3), (4)
0 @8 U. y4 ^# s' M1 u10-404 In Nonmetallic Wiring Systems
P( | Y1 k2 W' B3 }- E10-406 Non-electrical Equipment q# j: c& o4 p& D( k' `7 s: `
10-408 Portable Equipment (4)(b)5 u* p7 D, Z0 e( A |8 l. ~5 P
10-410 Instrument Transformer Cases
; N0 V: L3 @, S% E2 O; T3 H10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
W; o; P; t/ G7 \/ P" p10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
- ?6 ~$ S. P: \# S- `8 MMethods of Grounding# m% }1 S# q y; T4 q& @
10-500 Effective grounding (see Appendix B)6 `- s+ V* H6 j3 W0 f
10-502 Common grounding conductors
, r, Y1 K' }! q3 i8 D+ s+ D10-504 Common grounding electrodes
9 b8 }( g; Y0 p: r. j* p7 W7 e- d4 jBonding Methods( ]" @1 J* G1 H. `
10-600 Clean Surfaces
h% b2 u* F3 V- u2 u/ z# o10-604 Bonding at Service Equipment8 g+ d+ k; ?- k6 [( X
10-606 Means of Assuring Continuity at Service Equipment
* \6 k2 M* K* t& H- @ ^9 d10-610 Bonding at Other Than Service Equipment
6 ^3 @0 T7 ~$ b! i* ^& [4 c! W, o10-612 Loosely Jointed Metal Raceways
7 _; R' Q9 k d8 ]10-614 Bonding Jumpers Table 41: U6 B/ v$ }0 x5 ~! C4 D1 F
Grounding Electrodes
! G7 `9 A1 {+ L0 L10-700 Grounding Electrodes8 I2 H( k/ N$ m- {. o) _: J
10-702 Artificial Grounding Electrodes
3 f% ]/ O2 q; Y s) {6 t& L5 P: zN 10-700 & 10-702% j6 [* _7 Z9 ?: y4 G' k$ d
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)& x" M/ s6 y8 }( I
N 10-702# e1 o+ { T4 c+ o
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding' e( R8 L; D X. I
N 10-702+ o" X- l; q; y/ Q; }1 {$ A
10-710 Use of Lightning Rods (Appendices B and G)
6 i! r; ?/ E- }' n7 y8 qN 10-706
9 o$ g0 \5 |' \6 bGrounding and Bonding Conductors
5 r* u7 Y2 _: C8 ]# C10-800 Continuity of Grounding and Bonding Conductors+ K/ R3 p+ P3 W5 H* C c1 c% k
10-802 Material for System Grounding Conductors
, c7 T# S- F$ u9 D1 s6 ]6 J10-804 Material for Bonding Conductors6 Y+ t) X+ H+ T& H: w6 @% D, e
10-806 Installation of System Grounding Conductors
7 ~6 K+ i" |& u* S- A10-808 Installation of Equipment Bonding Conductors
* }% W$ J! u- `* o10-810 Grounding Conductor Size for DC Circuits; x! d; J; V- Z/ @1 m1 A
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
. D- g+ y# s/ ~2 J9 z8 `: M10-814 Bonding Conductor Size (Appendix B)
\3 n" U0 J5 v7 x r' X1 r10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment2 }! Q$ D% }6 ^' A3 n
10-818 Bonding Conductor for Outline Lighting
2 R! A8 ?3 r7 r" i10-820 Bonding Conductor Size for Instrument Transformers! m' d7 _& L+ ~5 u3 @
Grounding and Bonding Conductor Connections& |. i0 h( A+ r3 ]" n
10-902 Grounding Conduct Connection to Water Pipe Electrodes" s6 A; X4 \, @
10-906 Bonding conductor connection to circuits and equipment% p) j2 U+ t% X" D8 G! g
10-908 Grounding Conductor Connection to Electrodes
0 m) v/ @4 M+ X0 l3 w, pLightning Arresters
W }( M: f6 N) S10-1000 Lightning Arresters on Secondary Services – 750V or Less
x. e; q/ S4 W+ U$ o; }* ~/ Z
) A6 ], j/ H$ l1 h( FSection 12 – Wiring Methods+ m6 B8 C3 ^- P7 n
Scope
& v4 k6 o- c3 O" c' k% K& o( ?12-000 Scope (Appendix B)8 s/ J4 Z5 E6 B- G2 S9 {! S" I
General Requirement% H1 f l9 }* @# s: I5 S
12-010 Wiring in Ducts and Plenum Chambers( t: p% x/ ?3 Q1 c, z
12-012 Underground Installations (Appendix B)
* G9 n' F7 P4 _2 u12-016 Lightning Rod Conductors
! z1 O' z& y: h( }7 w' DConductors - General4 V9 a. C0 X& z% }
12-100 Types of Conductors (Appendix B) Table 19
/ G4 e$ I6 j/ x! s" i, X& q- k12-102 Thermoplastic-Insulated Conductors$ U, ~5 h6 F% _( }! {; U
12-104 Flame Tested Coverings9 k6 n. a [ ~! e3 T# e
12-106 Multi- and Single- Conductor Cables% d5 F5 E' B/ a
12-108 Conductors in Parallel (Appendix B)) ~0 K; q4 w; {- S0 q& E1 g" i
12-112 Conductor Joints and Splices$ {* {1 O* e. S$ s0 j
12-114 Ends of insulated conductors- K: S8 k1 |- \+ M
12-116 Termination of Conductors (Appendix B)
2 | y2 t4 ?0 j) h12-118 Termination and Splicing of Aluminum Conductors/ M* X) D4 @& H4 B, B2 L* P) H; K$ S* c
12-120 Supporting of Conductors - Table 21
/ E M7 l- s# r K: l. x* M& B0 aOpen Wiring# N0 C8 Q5 s5 m" `" ^3 G
12-204 Spacing of Conductors
/ i, p* E: m+ R$ ]6 j1 P8 r12-206 Conductor Supports; n7 U6 v, h8 A0 B% K8 V
12-208 Conductors on Flat Surfaces0 p2 R3 ]! U) E3 e3 N5 s
12-212 Protection from Mechanical Injury$ u" z( L$ Z4 Y
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises9 }5 e1 \& ]) b, `. d& P
12-308 Minimum Size of Overhead Conductors
- X: d* c7 k- p$ s12-318 Use of Neutral Supported Cables
% V0 j3 t. N! [5 l% t* {Nonmetallic Sheathed Cable
" f8 R# s- O( S% i% _0 A12-502 Maximum Voltage5 x1 u4 [8 g2 w. y- s
12-510 Running of cable between Boxes and Fittings (Appendix G)
1 j" F Q5 D4 O/ U" z3 t1 y12-514 Protection on joists and rafters) g2 d' e' o0 g, z1 a# N
12-516 Protection for Cable in Concealed Installations (Appendix G)3 s) s2 ?- \+ i8 ]5 T7 V! F( j
12-522 Where Outlet Boxes Are Not Required
1 j0 I: X' X( o/ u* sArmoured Cable
/ f* u9 H; G- Q4 v12-602 Use (Appendix B)
& s, E( N" ^% u2 s12-604 Protection for Armoured Cables in Lanes( c; d. x" B3 w p8 n
12-606 Use of Thermoplastic Covered Armoured Cable
, Q) N; J, q- e; M6 \. {12-608 Continuity of Armoured Cable, X Z, }& a5 c! v4 H( Q' @3 H- c3 W
12-610 Terminating Armoured Cable" \/ g7 _, B4 P1 o8 _6 z
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
0 ? H& O0 L: [" O' j- ^9 u12-614 Radii of Bends in Armoured Cables. J' u4 N/ m6 N# t! s$ n% Q
12-616 Concealed Armoured Cable Installation" ]# o' ?, ^+ M3 P) N0 C/ I5 N
12-618 Running of Cable between Boxes, Etc
% h5 t! i7 r# ~1 O, h( Q7 P9 QMineral-Insulated and Aluminum-Sheathed Cable
" ^6 P2 `" m/ R3 h# v6 X8 Z4 M12-702 Use' U5 a8 [$ E. w; I
12-704 Use When Embedded7 C' `1 f- p% m' B$ e5 z
12-706 Method of Supporting2 V( \" D- ~0 h1 o7 x# |
12-708 Direct Earth Burial
5 Y; X+ [* z0 t3 u$ ]7 p2 Z12-710 Mechanical Protection
- u7 b4 h6 Q3 u, ^ a% W5 E0 s$ X& P12-712 Radii of Bends
, L' d5 k b6 f" [4 s8 C) i12-714 Termination of Mineral-Insulated Cable (Appendix B)9 ` y& d ^2 y# C1 X& o
12-716 Connection to Other Forms of Wiring
! U/ c8 v2 Q( W, J# }% nFlat Conductor Cable Type FCC
& G1 J" I; A8 J, [. E12-804 Use Permitted
% q, C6 B% |& O. w: p( D12-806 Use Prohibited8 @$ g$ T. G8 s; M
12-818 Anchoring
( k/ O4 `2 D& x7 m. G* V# ~8 g12-820 Crossings
6 ?" O3 v; R5 h5 @7 @Raceways - General
G. s) ^+ D+ E7 P! S; Z& J* ]: f12-904 Conductors in Raceways
! P% E( |& i; T8 S+ H! k: b; S4 R12-906 Protection of Conductors at Ends of Raceways
; `' j" F3 ^+ }! n) _7 [3 @12-908 Inserting Conductors in Raceways
5 e' v0 C% @8 y1 |6 _2 L, [7 Q12-910 Joints or Splices Within Raceways$ p/ g' h5 b+ _& E$ r& h( e
12-912 Stranding of Conductors
& K) i/ q/ N! E% I7 E6 {& C3 D3 o% [' p12-914 Electrical Continuity of Raceways' k2 X5 H" }/ A% H) F0 y* R
12-922 Radii of Bends in Raceways# K; y! }. z4 j6 [/ C+ l/ L
N 12-922 Radii of Bends in Raceways Table 7
* N- d7 F) |$ i" d& Y, d12-932 Protection for Raceways in Lanes
4 Z$ B% e5 T- N! \12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
: d$ B, v; j, N; s o1 `12-938 Capping of Unused Raceways
1 T" \3 l$ g$ j$ O7 `1 X% K12-940 Maximum Number of Bends in Raceways
& L$ ^7 B' D, B. I( LRigid and Flexible Metal Conduit
7 E" k. F9 m& V9 K' G: e; |% C9 h12-1002 Use* D a2 _ ?5 g! Y9 ?
12-1004 Minimum Size of Conduits" i ~- f: K3 b3 f5 f- D/ y
12-1006 Conduit Threads (Appendix B) L6 g/ i6 \6 b& u* ]' c1 S, I0 M
12-1008 Thread Engagement6 w& v4 |5 t( @4 u9 l: ^. W& q8 c
12-1010 Maximum Spacing of Conduit Supports
. l- G F# K( {4 T1 t! v- s8 H3 x$ _12-1012 Expansion and Contraction of Conduits (Appendix B)
* y, ]4 @ E" Z/ F. M12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
9 L7 S2 i/ \% @. SRigid PVC Conduit and Rigid HFT Conduit
' N4 J6 k* f" P( q' ~6 T6 D12-1100 Use t9 b3 y, r0 ?1 j7 m/ O' G
12-1102 Restrictions on Use) e) r8 y- Z B- @8 C
12-1104 Temperature Limitations (Appendix B); q- S5 B: |: [: {
12-1108 Field Bends (Appendix B), (2)
$ @/ \( P1 Q+ [! R4 k12-1110 Support of Luminaires% k: h c! C& L' Q. Z
12-1112 Fittings
3 ~) R) s9 |& a) X a+ [0 k: V7 B" @12-1114 Maximum Spacing of Conduit Supports: h* f' t4 K. Z0 c) }0 ~) h7 ~9 h! _
12-1116 Support of Equipment
+ Y0 j Y6 A5 c5 h, Q5 o12-1118 Expansion Joints (Appendix B example)/ V E4 w* v) Z: d/ g
Rigid RTRC Conduit
) ^$ d7 A l3 G& p1 r12-1210 Temperature Limitations/ \% W9 G! I8 z2 @5 g
12-1214 Expansion Joints (Appendix B)5 W) w# h2 m' n
Liquid-Tight Flexible Conduit
$ z2 o- e: b+ g3 h12-1302 Use of Liquid-Tight Flexible Conduit+ z2 k. {. y/ W; U; t5 h8 V
12-1304 Maximum Number of Conductors
& v6 d+ w. Y; ~0 x5 |0 G12-1306 Provisions for Bonding( U3 ^, F9 ?8 N+ v; F3 F( D! Z
Electrical Metallic Tubing
! Y# x! P3 L% N% _0 O: [; U5 U12-1402 Use
' }2 W1 ~- ~8 M; u% t S12-1404 Supports
8 l3 }; A8 ?5 @$ r/ V9 |, [' b! m12-1406 Minimum Tubing Size, j+ A! R& c. O" ~+ Y
12-1408 Maximum Number of Conductors. P; k" p% J5 x" p' l5 `1 D
12-1410 Connections and Couplings, u! P0 O" e( J/ p
12-1412 Radii of Bends in Tubing
9 j, c3 F; [# t [0 WN Table 7
2 O# v5 M6 a8 \8 F8 d( M6 a; kElectrical Nonmetallic Tubing9 H2 F4 H) r4 c+ W: b& [
12-1516 Provision for Bonding Continuity1 B) s* I8 ~6 Y y0 X; {4 ?
N 12-1514! }( o- F! }; L1 ]+ |7 {
Surface Raceways9 @- Z! N3 d$ L+ T
12-1602 Use of Surface Raceway (Appendix B)1 Y+ y* M- ~8 j% }# ]
12-1604 Temperature Limitations* @4 ]3 f# t' ~
12-1606 Conductors in Surface Raceways (Appendix B)
' b* j) V& m0 u+ r; s5 H12-1608 Maximum Voltage
$ t7 g$ C1 ^! y. t3 |& M; R! ~12-1610 Joints and splices
; H0 q# @- k( `0 `* U2 UUnderfloor Raceways
& L& p# M) E8 Y6 o12-1712 Discontinued Outlets in Underfloor Raceways8 b1 i; [5 U! l' K I
Cellular Floors$ Q i8 R6 r& s! |3 H+ I e
12-1804 Maximum Conductor Size in Cellular Floor" s; y: y4 }5 B5 O
12-1820 Cellular floor discontinued outlets
0 b; M4 L' y$ o2 {+ l0 aAuxiliary Gutters
6 B7 b& [) H! v8 q$ Y2 `0 ]12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
/ O( O$ B. O4 ^ V h12-1902 Auxiliary Gutter Supports" E8 _. l( k+ K) {6 o; Z2 r% f
12-1904 Auxiliary Gutter Cross-Sectional Area
: b9 c3 C; C% eBusways and Splitters
+ O0 J( y: k) i& |$ y: ]! }12-2004 AC Circuits in Busways and Splitters. T/ J! w/ O/ C- \9 j/ t# [7 G! a
12-2006 Busway and Splitter Supports, R6 n$ S1 W0 ^0 y) }2 v
12-2008 Method of Installation of Busways- k; L5 S) }' Q
12-2012 Reduction in Size of Busways2 n* u1 a8 T0 j9 @
12-2014 Length of Busways Used as Branch Circuits3 u$ D0 |% D6 \& z u0 m+ Y4 }
12-2018 Taps in Splitters
1 {8 U; U- f$ ]7 N* ]1 c( vWireways' y+ }% R4 x! o; k' m
12-2104 Conductors in Wireways
" I) l3 P$ y) c1 \12-2106 Taps and Splices in Wireways
2 h2 v! P M. z% ] Cable Trays* `& Z( M+ K3 p: L% D
12-2200 Method of Installation (Appendix B)7 \- ?; A& D: {% a
12-2204 Joints and Splices Within Cable Trays
8 y& L1 i( q$ D# D( ?& q12-2208 Provisions for Bonding/ @: Y# T, |& X. i, K
12-2210 Ampacities of Conductors in Cable Trays
5 h0 k$ L+ X" o* J) S2 RInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
+ c* w' s, [' z# Y5 u1 ~3 C% T% t4 l12-3000 Maximum Number of Outlets Per Circuit* e- F; ?% {% S$ B& U
N 8-304
. n/ F1 I# b7 @% `8 \+ w2 T) z12-3002 Outlet Boxes (Appendix B)
5 J2 G& [! ]8 B, f6 m FN 12-30003 V/ O' q; d* k7 b$ M1 w
12-3004 Outlet Box Covers) y) ?& l9 [) T( z
N 12-30021 W$ ^5 }8 w! a9 ~( c
12-3010 Boxes in Concrete Construction$ J$ g) R! d1 H) F4 P6 Q
N 12-3008
' R& J& l, a/ o; s/ s) U9 P7 _! N+ ^/ o12-3012 Outlet Box Supports
3 G& D9 l3 I; h' k9 ]' f1 S2 aN 12-3010
& a4 ~4 `' o2 Y$ B F4 t12-3016 Accessibility of Junction Boxes
% h; t6 t5 F9 k2 q$ aN 12-30144 x# x& b l6 ^7 J) J( b F
12-3018 Flush Boxes, cabinets, and Fittings
7 L! \* g7 f0 `2 K! F4 D. MN 12-30162 E! p1 ~0 G" P! j! w
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 6 ?( l) P" d- f; B! T) o
N 12-3022 O7 ]: ~. A% l
12-3036 Maximum Number of conductors in a Box - Table 23& p% [4 A* V, l$ c% t. l$ v0 i' w+ Y
N 12-3034 b$ N; J/ Z9 I
12-3038 Pull Box or Junction box Sizes* w! P3 b3 ]6 ^% a
N 12-3036" y" l" j# I5 b K% g. w
; \7 w# |0 {5 i* w% [5 @Section 14 Protection and Control3 V: ]+ |% ^/ r7 T7 e/ _2 u. U+ a
General Requirement
4 {+ W% A5 A( p- T14-010 Protective and Control Devices Required$ g& t# _' b) ?, h% L
14-016 Connection of Devices( E) a9 ?, ^ M" T7 W# Q; ^
Protective Devices – General: Z, j0 {# ^8 F2 K3 {: s3 D U! j
14-100 Overcurrent Devices Required
2 C5 |! h- b3 `% S. } P14-102 Ground Fault Protection (Appendix B)
5 V4 E; U$ [9 G3 U3 M$ g$ |14-104 Rating of Overcurrent Devices (Appendix B) Table 13
6 Y8 J3 Y; V1 {. P5 ~14-112 Overcurrent Devices in Parallel
9 _3 j: u" V" M Z& f+ [0 k$ \Fuses
$ i# y. ]! C7 o( j. ~9 E14-200 Time-Delay and Low-Melting Point Fuses
2 F2 Q' s- e- \) R14-202 Use of Plug Fuses( T- t8 `1 n: z
14-208 Rating of Fuses c5 p4 u* q% K
14-212 Use of Fuses (Appendix B)
3 l' @ q e7 }5 B8 n: H: u7 hCircuit Breakers$ h/ A0 [5 U1 X- q
14-300 Circuit Breakers, General
1 X4 W( p4 P8 s, q% V% R14-306 Tripping Elements for Circuit Breakers
& Z1 _9 {4 r+ `4 Q1 j14-308 Battery Control Power for Circuit Breakers5 b8 d/ q4 g' y! c
Control Devices - General
4 s2 u: }( C2 P3 N14-402 Disconnecting Means Required for Fused Circuits) b7 W/ B( a3 r7 B7 N
Control Devices - Switches4 r# V1 X2 x# E! O) W- k2 Q
14-502 Mounting of knife Switches
( H2 M3 U6 f" b" l5 c14-504 Maximum Rating of Switches. [2 \6 x; O. }1 J# z4 V1 e
14-508 Rating of General-Use AC/DC Switches (Appendix B)
2 P! G# T( \) @! L+ g$ n14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
4 R) F \* v+ m- Z" _% T( |Solid State Devices2 a5 |& y6 W4 K+ d- i
14-700 Restriction of Use: V4 w0 k7 ?6 e
14-702 Disconnecting Means Required
0 W) ]& O! L1 }* r5 s! k4 z6 l* e7 N' }* ^) Y& P4 N
Section 16 Class 1 and Class 2 Circuits8 Q5 k0 k8 G* j0 }/ B; `
General+ W* t" c: j4 O- H
16-004 Class 1 Extra-Low-Voltage Power Circuits
9 z$ g. R3 ^/ A& }' y$ ]0 i3 D9 [4 [4 f16-006 Class 2 Low-Energy Power Circuits
( N8 X) [& p% G+ t( O: E16-012 Circuits in Communication Cables
1 E" M8 @5 U+ O$ iClass 1 Circuits
# i/ t0 |& u u( }1 \16-100 Limitation of Class 1 Circuits& s+ s: c# H1 S$ i! f, }7 H# _
16-104 Overcurrent Protection of Class 1 Circuits- o+ A, K/ S- _# e1 o; p [
16-106 Location of Overcurrent Devices in Class 1 Circuits6 ]+ i4 D5 ~3 z! S+ L
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers$ k% z9 z2 q6 x, Q1 `, K( q
16-110 Conductor Material and Sizes
' R. y# r# x( l* S16-112 Insulated Conductors for Class 1 Wiring
! g# {6 n$ _* N# [Class 2 Circuits
# u8 I' \7 _) N* Q! v) u% k' X' } @16-200 Limitations of Class 2 Circuits (Appendix B)
_5 G! o3 [: Y9 Y7 |16-204 Marking
) z! J2 ^1 z% D1 v5 c* ^16-206 Overcurrent Protection for Class 2 Circuits( @* F) a$ N1 p4 _( C# f3 f
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)" |% A8 u$ E$ O' ~+ C! ^
ELC: extra-low-voltage cable8 P8 d0 k$ ?! b
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
* z W2 K3 x' Z$ r a% C1 s
, z0 D7 f+ r" C* Q0 _$ iSection 18 Hazardous Locations
$ m( ]7 o! N5 p3 ~9 {Scope and Introduction
9 v; m8 a% z: R$ ]0 J18-004 Classification
; Z0 L5 p" v0 i" [18-006 Division of Class I Locations (Appendices B and J)
* u1 j" \8 a( f) | M18-008 Division of Class II Locations (Appendix B)
- h/ Q" D$ j/ R6 p1 b& y9 D, ^18-010 Division of Class III Locations (Appendix B)
; a* p6 [1 Y& \& n2 GGeneral
+ d) V2 J! P* S6 o9 @/ f3 i# V18-062 Metal-Covered Cable (Appendix B)
A+ O$ Z# T! p: ]- iInstallations in Class 1, Zone 1 Location
4 ]& _% }" R4 O18-108 Sealing, Class I, Zone I (Appendix B)
' C6 R2 f4 h# _ i3 R. S4 J! n+ U7 M2 {+ [& G
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
\2 M! B9 q* I# L8 WGasoline Dispensing and Service Stations
9 X& q8 K' p& ~) V20-002 General# ^1 @$ J( S9 S1 g5 G
20-004 Hazardous Area (Appendix B)
7 e7 ]7 q$ |( c! LPropane Dispensing, Container Filling, and Storage9 s" n1 _3 A S0 p& z$ h9 x5 X
20-034 Hazardous Areas - Table 63+ w5 g: X. Q, \; M4 O/ s& X( j
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
% B1 ^0 o! B1 L20-062 Hazardous Areas
7 y: o, w: z! P _# u8 V0 ~4 e+ dCommercial Garages – Repairs and Storage
5 G& F/ x2 ]0 p$ x& z20-100 Scope- n) J$ C* i9 Y- e7 ^
20-102 Hazardous Areas (1)
5 \' @8 { V2 V4 J' J- z6 Q v J$ d V2 ^
Section 24 Patient Care Areas
4 L! k5 P9 L: x9 O6 F24-000 Scope (Appendix B)2 P" D+ Y) P6 [! r
24-002 Special Terminology (Appendix B)9 b$ ?/ ?) {/ ^, ~% q: F: w( s
Patient care area
8 d/ a7 ^! A5 ?- h$ D( |, f- JPatient Care Areas- U) j5 A3 z. L7 b$ q3 B
24-106 Receptacles in Basic Care Areas (Appendix B)' v, R' Z8 M; B. X
Isolated Systems! m+ w" x( C* o$ U6 }5 {
24-204 Single-Phase Isolated Circuits (Appendix B)7 | L0 T8 e( ]4 E) h& M
24-206" r& n' B/ l% s% a) b
3 p# `9 @2 ]. j: D0 q; s" B
Section 26 Installation of Electrical Equipment8 h2 D$ T$ E+ i
General, Y9 o' g2 B% x5 s
26-004 Equipment Over Combustible Surfaces (Appendix B)
% ^/ r0 n% D0 e" l* i8 H& Q. v26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)/ ]! ~8 o, ^1 `" N! Y
Isolating Switches4 x: S+ K, y& d/ j. C7 g
26-100 Location of Isolating Switches
( u5 s; u% |2 O; H# tCapacitors
8 e# Y1 ~9 K2 E; t26-204 Guarding of Capacitors4 [, I1 ^2 c4 U! ? Z; s
26-206 Grounding of Capacitors3 B- Z& }: `/ Q& [6 i
26-208 Conductor Size for Capacitors
/ l$ @- i0 X( s; p% f6 Q26-210 Overcurrent Protection (Appendix B)
6 `9 |- {6 A3 z/ n! w26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
5 G& i/ I% C8 `3 I# k26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits8 J- j/ {+ c( x+ Q
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits; r: S( w6 L/ d
26-218 Special Provisions for Motor Circuit Capacitors: ?( s+ s% C2 k$ K0 X" ]2 v
26-222 Drainage of Stored Charge of Capacitors
0 z+ \: D9 K/ o/ ^ e, I9 t* M" }3 _Transformers
6 n% F1 [" s$ W26-240 Transformers, General
( w& [! n0 a. y" S. l% o# C- I0 J8 U2 O$ P26-242 Outdoor Transformer Installations
. M- N' l( C6 }26-244 Transformers, Mounted on Roofs (Appendix B)
! v8 i b5 m) _; |+ Q26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)9 O% k6 I3 A3 P
26-248 Dry-Core, Open-Ventilated Type Transformers
: ]' l+ f# i5 ^+ o$ v( \( P26-250 Disconnecting Means for Transformers
# k7 T: @. c; ^! x; n7 d5 o+ ]: h26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V% E) F- r& p9 J3 \5 H2 }( s; F
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers# h/ i, G5 `0 M2 P. m
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
/ z) b/ L) x! x+ U L1 f( F26-258 Conductor Size for Transformers
! O. ~, `2 @, ?# q& V& w26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B), J4 f/ e7 E& j9 o3 A/ T L4 l) y/ e8 E
26-262 Marking of Transformers3 U4 i* l0 d( w4 u' r& |. \
26-264 Auto-Transformers% }6 h1 }! a. J0 B
Fences' P6 `/ N! _$ o
26-302 Clearance of Equipment - Table 33
* \# r+ K: g1 g9 k5 E \! lPanelboards' F1 }! P2 ]; K
26-400 Panelboards in Dwelling Units (Appendix B)0 { q" b! K0 m
26-402 Location of Panelboards (Appendix G)
; o+ ?: G$ m5 U! s* [Lightning Arresters
2 Y* k0 t) y! F" j5 ~ J26-508 Connection of Lightning Arresters
6 I: L" ]; a; X3 } u* EStorage Batteries
! @* P3 [ U# y4 c }26-542 Special Terminology c+ Q( s) n/ O+ T& g
26-550 Battery Installation
5 L+ V* k+ [/ q9 f% ?! F+ K7 i! g26-552 Wiring to Batteries
( w4 P) y& w% R+ [- I; f jArc Lamps4 c! T) u" K/ U* J* [4 {2 E
26-600 Location of Arc Lamps
9 U a3 z) ^+ { c, a9 n( S5 I26-602 Conductors to Arc Lamps
+ w- l1 h: I; K7 c- k26-608 Globes and Spark Arresters* y$ Z9 q+ l) u6 L P
Receptacles# [$ `0 ~+ R' k9 ]' x
26-700 General (Appendix B)
6 L; z% O8 i# a* |' |26-702 Receptacles Exposed to the Weather
# K: s( ]! O2 k# `5 CReceptacles in Residential Occupancies
' g0 q7 ?. B) v) C26-710 General (Appendices B and G)4 }) f0 U# |1 Y; A# i: b% {% S
26-712 Receptacles in Dwelling Units (Appendices B and G)
$ t6 s5 _8 K/ x7 Y/ {" e26-714 Receptacles in Single Dwellings (Appendices B and G)
9 e/ K1 e! J" x R1 q9 i7 |# ?Branch Circuits in Residential Occupancies" R. c* S2 ^7 H1 I
26-720 General8 Q m% T v4 {. u. q m8 D: i% S
26-722 Branch Circuits in Dwelling Units- Z/ i4 |2 w& f/ q8 I* `7 P
26-724 Branch Circuits in Single Dwellings
e# U4 w: x* {0 X26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)0 W) }$ v1 G$ V7 W
N 26-720 (F)1 K6 _6 d8 G4 v( x: R
Electric Heating and Cooking Appliances4 c2 p9 m" V2 z0 K7 W' v
26-744 Supply connections for Appliances$ P3 ~( [! O/ o+ G2 `
26-750 Installation of Storage-Tank Water Heaters, q7 y) n. s3 k9 U- Q
26-752 Infrared Drying Lamps! d0 K) G9 z; ?" ~! c0 B$ A+ Q
$ S( Y. ~ r6 ^& k* T
Section 28 Motors and Generators$ T" b& B3 J/ |
General
+ \& M$ y- ^ I9 r28-010 Special Terminology% q' D6 l& B3 ]6 }& B y; G( p
Hermetic refrigerant motor compressor$ L- n8 v% l3 e! m5 p
Locked rotor current rating! J- d; Z |, n& n. M: i
Service Factor
8 j1 A- c5 S9 pTable 44; Table 45; Table-D20 e2 a0 s7 R7 ]" G% o3 ~
Wiring Methods and Conductors
5 B+ n( }# q- P# ?) D28-102 Portable Motors
3 B$ s7 m% U% x# e5 I. z, u4 o' M28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity. g( r( q2 G, b% d- b0 }/ R
28-106 Conductors, Individual Motors6 D/ j; L. e( i- o; u: T
28-108 Conductors, Two or More Motors
. r9 Z5 f( u3 ]28-110 Feeder Conductors. w) o( R* K2 G+ C/ \
28-112 Secondary Conductors; o/ s7 F- E8 L" c) N' T$ A) Z2 T0 z1 K
Overcurrent Protection, e- l) O9 W( m# [9 G, c/ C9 U, t
28-200 Branch Circuit Overcurrent Protection1 u8 }% Z) A1 {8 ~, Z; _
28-204 Feeder Overcurrent Protection8 b" u. t0 s. ] B: Q1 O# k
28-206 Grouping of Motors on a Single Branch Circuit B; t5 e. A" Q! \6 R
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
8 Q9 \4 J+ i" m3 U# ~Overload and Overheating Protection" p# u3 z8 Y2 X- N+ z
28-302 Types of Overload Protection
& ?+ y: `9 v: Z2 U" t* N2 l* y2 F7 ^28-304 Number and Location of Overload Devices (Appendix B) Table 25
8 n/ ?- J0 |" x! {4 s; N8 ^28-306 Rating or Trip Selection of Overload Devices (Appendix B)
0 |/ o- ~- D8 W$ P28-308 Overload Protection Not Required
3 f8 Y1 H' t5 Q# B7 y! ?Undervoltage Protection
; B: ^/ ]9 h( X7 b: Q9 e6 t28-400 Undervoltage Protection Required for Motors (Appendix B)6 y9 n5 g1 J7 W' d4 t' C4 n3 W, W
Control
- O- D* h. v6 [ R28-500 Control Required
) N: v; }& [" g) m/ _. j0 n$ S0 L28-502 Control Location& h- x( w4 T% S. ^; M* g
28-504 Starters Having Different Starting and Running Position5 x2 m* \2 k# z% c5 B2 [ r
28-506 Grounded Control Circuit- T) _' h& J& O3 R& p
Disconnecting Means4 ]. d3 P# j. Y! O& E5 r
28-600 Disconnecting Means Required
6 i" ?- J8 o9 C/ p28-602 Types and Ratings of disconnecting Means (Appendix B)9 _; U) {8 V: \2 J/ C; M
28-604 Location of Disconnecting Means
) o% a; t* f# s! v, G Hermetic Refrigerant Motor-Compressors
" D1 }. Q! n: s4 j28-706 Conductor Ampacity
8 D# G& Z3 d, K S! `& L6 T% g! e28-708 Overcurrent Protection
# s* p5 n1 d! Y* ~* Q: n% s28-714 Disconnecting Means
9 j4 i7 @+ v0 f. @$ m7 uProtection and Control of Generators8 |. h/ L$ \6 o& U/ q: y5 m# p
28-900 Disconnecting Means Required for Generators
. X& r9 T, X! T4 l: q* ^9 C1 O x9 g28-902 Protection of Constant-Voltage Generators8 v: @# i; M/ S8 W4 _5 N# g
28-904 Generator Not Driven by Electricity' q5 T9 w# ?& D3 _6 A' @$ J; G
28-906 Balancer sets
; f) k7 L$ r; E- q/ C28-908 Three-Wire Direct-Current Generators7 _3 F; y# a: e! M4 [: c
6 u/ s j) N, q6 D1 R# Z
Section 30 Installation of Lighting Equipment- a0 |, x, L# M; N
30-002 Special Terminology (Appendix B)* Z; ]3 k- \+ A$ b4 \( K
General
+ R, L; c' f( p: U" n30-102 Voltage
( ]" m$ Z+ j, e3 `. b5 a8 N30-104 Protection (Appendix B)* _' ?4 V% d ?' J
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment# U4 i, w; v' ~- B: n' S1 X2 k
30-108 Polarization of Luminaires
$ F0 U6 C) k( q5 U30-110 Bonding of Lighting Equipment0 z [4 K5 d- H8 T) ~
Location of Lighting Equipment
5 }) n# E5 m% x' X) `0 B" o30-200 Near or Over Combustible Material$ R: q" ?& a$ ]/ W5 v
30-202 In Show Windows2 @ D- M: U3 d; g. N
30-204 In Clothes Closets r( Z J7 R% M+ B. a, b
Installation of Lighting Equipment' v8 p) t' L# u( L# I! h q+ [
30-302 Support7 Y5 U7 [$ X3 v2 \ j
30-304 Outlet Boxes to be Covered' s2 r) ?! ~. A+ F7 J
30-308 Circuit Connections0 G- k# E' n8 `+ D4 n
30-310 Luminaire as a Raceway
% Q( K0 }- t% h5 x, }. m2 r30-314 Minimum Height of Low Luminaires
; O( \+ R, W% t0 }, M30-316 Luminaires Exposed to Flying Objects
1 C$ z# _5 {9 X/ A9 z5 o30-320 Luminaires in Damp or Wet Locations) u/ L6 u" O+ F- u3 f9 @
N 30-318
% x0 C5 h X; \1 zWiring of Lighting Equipment
% T- R% I, }7 N6 Y. {8 g30-400 Wiring of Luminaires
5 {" X4 E, [% q! Z Y% w30-402 Colour Coding: {8 @ B \3 c5 y- m8 z
30-404 Conductor Insulation; \# t0 B$ b3 L& m
30-406 Conductors on Movable Parts
# C. B8 N; r* a# H6 u0 s, M30-408 Wiring of Ceiling Outlet Boxes
8 T& `+ ]4 h* o @( R30-410 Wiring of Show Window Luminaires5 L x! c0 E. E3 J( L+ Q
30-412 Tap Connection Conductors
$ H8 |) i+ ^+ w' B! KLuminaires in buildings of Residential Occupancy
) Z1 I0 I" t* y' ]6 T30-500 Lighting Equipment at Entrances (Appendix G)
0 g4 H. c( V1 l/ }30-502 Luminaires in Dwelling Units (Appendix G)+ _" l3 e3 \. D
30-504 Stairways (Appendix G)$ V* @3 E: ]5 H! D
30-506 Basements (Appendix G)3 m' ]0 p' [: ^
30-508 Storage Rooms (Appendix G)
4 m1 k( K( k- {4 F30-510 Garages and Carports (Appendix G)$ h$ b3 V% a6 C
Lampholders
: a) W' G* C0 v- d& e5 k30-600 Lampholder rating with Incandescent Lamps. J% u1 a2 K7 k; V
N CANCEL6 \9 b5 b2 k+ m' S' Z& G
30-602 Connections to Lampholders
f: q' h+ i* ], |; a! E% t7 iN 30-6008 `4 H1 Y$ q; i) f6 s* Y- d: u& q& y8 t
30-604 Switched Lampholders Used on Unidentified Circuits
1 B6 s+ H! H( JN 30-602
1 H6 u: X6 _! K2 [30-606 Switched Lampholders with Pull-Type Mechanisms
; l' w) T' a4 a9 ~9 @% R) |N 30-604
9 x1 {% B1 B1 B; O, C9 O30-610 Pendant Lampholders
9 n+ V7 f1 _8 d+ @N 30-608. K; i1 n* g1 E& d U% ^* Y
Electric-Discharge Lighting Systems Operating at 1000V or Less
- W& {: b; j' W# ?) i- y30-710 Control (Appendix B): G' D9 y: P/ F% q; j
30-712 Branch Circuit Capacity- F" Y) h+ H- v' E. |2 b# U
Electric-Discharge Lighting Systems Operating at More Than 1000V
& ?8 f. i( X- P( V1 Q1 R! W, V30-802 Voltages, Dwelling Units
( |/ q! v5 [( J6 y8 `30-804 control (Appendix B)
8 w; b, A+ R8 l9 V. c$ cRecessed Luminaires (Appendix G)
2 E- y5 M8 t9 p/ S4 }) Y8 ?30-902 Spacings for Non-IC Type Luminaires
0 H2 s" y0 C) G! y# ~30-910 Wiring of Recessed Luminaires (Appendix B)
5 R/ V' C N! Y% q. i ]Exposed Wiring for Permanent Outdoor Lighting& {. g' X( t+ t/ F( r5 v' [8 x
30-1120 Branch Circuit Loading and Protection* N, ~4 w1 }4 Y% x8 c; t1 i G( `
Extra-Low-Voltage Lighting Systems
( A7 U9 u2 m% J; A u! _- P* v30-1202 Sources of Supply
3 a) A+ p9 b) U5 E& x* h/ K, p1 T4 H7 M
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
. R) n0 V3 p, _2 SFire Alarm Systems: f5 F& {2 ?; P1 p8 w2 @
32-100 Conductors; s' Z/ Y, O8 W/ t5 `( q w
32-102 Wiring Method
( A5 V5 e' Z r% o% |32-104 Equipment Bonding
$ `+ q1 G# _9 k9 j' K L% M& B32-106 Electrical Supervision
" |! |/ x. l. M1 j32-108 Current Supply
& ]" m$ k; l- T" a$ o i0 J32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)- f" q0 [: @$ w! z$ h
Fire Pumps- J+ o- G6 ^) c
32-208 Overcurrent Protection (Appendix B)' m2 D% h8 N* X$ s1 S
N 32-2062 d# w8 A$ n5 G1 I
32-210 Overload and Overheating Protection (Appendix B)* a( u* ]1 u% {- k+ y
32-212 Ground Fault Circuit Interrupter (Appendix B)- O$ t& u+ f, d1 [* O3 Z
! `6 z2 V! P" |- Y) a5 L! qSection 36 High-Voltage Installations1 \( {- _& `; H& h/ t9 Q
General6 u) K2 l# N% r0 a
36-000 Scope (Appendix B)
}! ~1 N) E4 J2 ?36-006 Warning Notices
" {& d0 f k6 [ ^# v3 QWiring Methods; v: K" K" S$ A+ X# H! }$ J+ A5 a
36-102 Radii of Bends
; H7 M' }9 B" t& `# L1 N36-104 Shielding of thermoset insulated conductors
* m1 X6 s/ I* r; @- n* r L36-108 Spacing of Exposed Conductors (1) table 30, table 31
! h6 [7 _8 x; _! ]36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
" E1 l5 D+ @9 ^3 \Control and Protective Equipment
) H1 X& r G4 X5 E36-214 Disconnecting Means
1 k W. s! E! T" O Grounding and Bonding" i" E4 ?8 t) @. k" }! W
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections& s" s, S; T: g- c6 \, v3 K
36-302 Station Ground Electrode (Appendix B)
/ l- u+ N9 v* H4 \. B+ c' C36-304 Station Ground Resistance (Appendix B)4 n4 d- A ]1 K: ?
36-308 Connections to the Station Ground Electrode (Appendix B)- `9 }8 W6 r5 [* V
36-310 Gang-Operated Switch Handle Grounds
0 d, D+ M# G: O7 @36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
/ c* n: v5 r% ^% u
) _: g/ h, S2 q& U dSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment8 J9 D$ E* _2 h; ]" s! q9 {5 A
38-002 Special Terminology (Appendix B), _ E; ]9 u; @4 z- S6 S6 G0 W
38-003 Voltage Limitations (Appendix B)4 Y% e5 y/ q, ]6 C! [3 Z
38-004 Live Parts Enclosed& o. J' R& a. n6 }* K
38-005 Working Clearances3 j, N( _& t! B5 a' C/ X# T) ~
38-011 Insulation and Types of Conductors
6 p+ ~. ?* _* W8 o. n# y38-012 Minimum Size of Conductors5 W: |" ?; d( N/ D$ t; b
% @, X% T. B7 ?) d0 ^0 l
Section 40 Electric Cranes and Hoists
" [/ \ G% Y8 x40-008 Disconnecting Means0 v/ r8 G' Z% n% Q6 e `
40-010 Main Contact Conductors- a3 A+ T m1 ~8 x d/ `
' B9 F8 F [5 T) H2 T E, E- j7 h
Section 42 Electric Welders* V2 r6 r6 I& G* O- J' S$ `, b
Transformer Arc Welders
. F! N6 o& [7 ?7 h8 A42-006 Supply Conductors2 d8 l- N' ]* n& K3 P: @
( C3 {- `, ^4 f( L! e8 m
Section 44: Theatre Installations
/ E# J# D2 W8 A8 NGeneral
# R. J$ K- e, x4 `44-104 Number of Conductors in Raceways
' _" p/ W3 V- x3 P44-106 Aisle Lights in Moving Picture Theatres8 |% }+ H# D0 I0 H) k
Fixed Stage Switchboards, u" x# ^* P. C2 G* E0 _
44-210 Overcurrent Protection
! i- a! b0 J3 hFixed Stage Equipment
% l3 j2 Y; [" }. \5 A1 ]- f. G: }% D$ n44-324 Receptacles in Gallery Pockets
. s7 x; {; x' I- l1 e44-326 Receptacles and Plugs9 H5 S4 h- o" H6 Z3 q
, R* \# f+ }; [5 V% s+ o$ ASection 46 Emergency Systems, Unit Equipment, and Exit Signs
1 g/ Q$ F. {* [4 qGeneral
/ a5 ?2 O7 Z# b* U. v46-102 Instructions
4 @9 h) M" M. ?# l46-108 Method of Wiring (Appendices B and G)5 n, J" z3 N# d. G( J
Emergency Systems
" A& p/ W! l* P' Z; T8 S5 O46-202 Supply (Appendix G)
+ s9 _ `# q* t3 n( F/ G46-204 Control
( T* A; U# z" G6 @ O: P46-206 Overcurrent Protection4 I; n/ P/ h1 q8 T: E0 [. [7 t
46-210 Remote Lamps
5 z9 E6 f& C [# lUnit Equipment
! F7 R; f8 T$ [$ F46-304 Supply Connections
4 t# Y0 n; N$ O4 Y0 c46-306 Remote Lamps (Appendix B)
; N/ D2 i1 Q+ h: @; D+ O* jExit Signs
6 v: J9 ` W, N2 T: R46-400 Exit Signs (Appendix B and G)3 S5 I# ^; o% ` Z# G' o" N' j
6 M% f7 ^5 z8 M; t' V
Section 54 Community Antenna Distribution and Radio and Television Installations
- m2 D4 V/ |6 V, y54-000 Scope
( S: e7 X) X! O3 m, ^6 b a54-004 Community Antenna Distribution (Appendix B)
2 l* U* O! w% U- p% t% [Community Antenna distribution3 v9 g5 w$ I1 e3 L2 f
54-100 Conductors: o6 k& H' `' d j, i
54-102 Voltage and Current Limitations (Appendix B)4 t, Q) _+ C7 n2 N9 t
Protection
. l V" k& V/ B1 R Y! m54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B); Y: z( c3 {7 T$ S
Grounding
8 N, F6 u% [4 S0 K4 g7 `* X54-300 Grounding Conductor5 T. h( h. G6 U1 V/ C1 F
Conductors Within Buildings
, B% I6 \: O3 N& a/ t3 y4 N54-400 Separation from Other Conductors9 E6 A; l" J; [! w, M
Equipment
2 }/ J8 Y5 e4 X2 h, K54-500 Community Antenna Distribution Amplifiers and Other Power Sources
; t' H% u6 ~ C" Q2 k* B, c. I: ]( z54-502 Exposed Equipment and Terminations
2 X* Q( Y2 D8 p8 W( ?) L+ T6 u- }# U5 R
Section 56 Optical Fiber Cables. G1 u/ J3 V$ {- G& ?3 k8 z
General# X8 O: G5 K @0 R
56-100 Special Terminology
# A& P, Y4 F# w8 S% G2 S56-102 Types6 |! H+ i; @& g
Installation Methods
. b, {2 P/ Y5 i8 l56-200 Nonconductive Optical Fiber Cables (Appendix B)
' s, k7 i5 ?' U) k# |. R56-202 Conductive Optical Fiber Cables (Appendix B)
3 ~- \" j& z* C7 Q0 u56-204 Hybrid Cables
, v6 h0 w2 D# J$ I( L6 s56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
6 v- |" g3 O) M; v% |; ^$ L, ?: x
; d! E7 u) y! d# B KSection 60 Electrical Communication Systems
, ?& S6 {/ W8 I" e3 ~General! _4 F4 z/ D3 C( w
60-100 Special Terminology* J$ }4 u0 x8 E
Protection
4 f, j* s! |4 a7 @3 _) o: P1 q60-202 Primary Protector Requirements$ l) u# \6 \4 W/ V+ U( l3 ^
Inside Conductors' l' y! Z8 w9 D5 `/ ], ~
60-308 Separation from Other Conductors
. U, X" e: ]+ f+ e% O; YEquipment- h1 q* w x6 N$ X6 N" }& X
60-404 Exposed Equipment and Terminations& A/ @4 @1 `: i, {. ]
Underground Circuits0 M- Q0 ~& U: e- q) d3 |$ p$ D9 a
60-600 Direct Buried Systems
+ W' a9 f, n# F9 K7 |
+ @) f3 d5 J+ o: @$ O+ ?Section 62 Fixed Electric Space and Surface Heating Systems
+ k6 J+ Z( ~% B6 k0 [: T! y. P5 mGeneral: s7 z+ q+ }4 L' p$ p
62-102 Special Terminology
1 \1 r: M% E( W6 d! I" e1 D/ L62-108 Branch Circuits
X1 C6 w+ v# M0 n' J# {62-110 Installation of Fixtures
/ Z7 ^8 S& X- }62-114 Overcurrent Protection and Grouping (Appendix B) (5)
' X# ^ R" @8 f) b62-116 Demand Factors for Service Conductors and Feeders (2)3 P& ?. p4 K4 t# K
62-118 Temperature Control Devices& w4 u4 F6 b. e" B4 e9 g
62-122 Installation of Series Heating Cable Sets (4)(7)
! V! v" L; W1 ^" l' j; _Electric Space Heating Systems
" Z* }7 z9 G3 {5 m. E62-202 Temperature Control' y s( @& Z2 ~" F$ `
62-206 Proximity of Other Wiring (Appendix B). n( ?7 p1 w; z) d- t
62-214 Installation of Heating Panels and Heating Panel Sets; ^0 L2 P3 ^: j" O6 ] c
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
- x$ F. g! ?, n5 V" \5 @62-226 Installation of Under-Floor Covering Heating Panel Sets+ W6 ~8 n8 p4 \; ]. Z
Electric Surface Heating Systems
+ z: o1 M+ ]3 k" W62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
( i7 _8 j7 b7 k9 [0 ` h1 s7 i" _, v- U, z3 \
Section 68 Pools, Tubs, and Spas. s4 c) P! |0 `9 v3 J1 J
General, \. Q0 j+ r( `; W' {' k' M, {9 Z
68-050 Special Terminology# s( G# ]% ~- O2 I. D s
68-056 Underground Wiring - Table 61! a& L1 p) Q9 D9 W8 _2 H
68-058 Bonding to Ground (Appendix B)
: k8 i) d, H2 o; z68-060 Junction and Deck Boxes (Appendix B)
7 d0 L- B9 L1 \ ?( ?/ G68-064 Receptacles3 B$ G- v; u ~5 [2 j
68-066 Luminaires and Lighting Equipment
4 K6 i3 T* V; p, e7 O0 [68-068 Ground Fault Circuit Interrupters (Appendix B)
% M$ k! ^' Q6 }
" E) U6 M& q8 n, {0 qSection 70 — Electrical requirements for factory-built relocatable structures and & I4 g" s5 q1 M
non-relocatable structures# t9 ^/ G P# G3 o: H, L, c$ h, z
70-130 Tests (see Appendix B)* ~. G7 |$ p. L5 ~* u0 G
6 _( w3 {- X9 m" C3 W
Section 76 Temporary Wiring (Appendix G)/ s- q5 x8 |: I5 w5 w
76-004 Grounding& a' X/ R/ u0 ?6 k9 H7 O
76-008 Service Entrance Equipment
7 c1 J; H. K1 T: @: yN 76-006
% ]& L6 c. Z3 L2 i76-014 Branch Circuits0 e- A5 U1 @3 \2 U/ T: M
N 76-012
+ T: P2 D5 j: `( n* K9 J! a+ L8 |4 v9 Q9 m# C
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
$ I$ t* ~, H, X5 w. MMarinas and Yacht Clubs1 s- p) f) w0 {1 [5 s) m$ |
78-052 Receptacles0 T# ?8 `8 l6 T3 P1 V0 ?
78-056 Feeders and Services8 @0 _5 ]/ o" i$ Q8 R7 K8 a
Marine Wharves, Structures, and Fishing Harbours
- o4 x. ]6 \( L' ?78-106 Grounding and Bonding# M' v$ a s5 F1 [1 \+ e1 [( x
Tables
9 i% t( e4 v6 E8 Z1,2,3,4,5A,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
- \# \; ^5 ~( E1 Y( A1 W) t/ `! ] z7 H" Y5 H4 M2 R) w
Diagrams: 1, 2, 70 `# L* L8 }# _% ?% e% B
1 B8 `4 w9 R. s# ^. y4 b
Appendix B% b0 R6 [% H# t) a4 f# m
P352: Ground fault circuit interrupter- 6mA0 d; }% C" I; f* `5 j D
P354: 2-126 FT1, FT4: }! J1 L5 Y; }& A
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
$ \! \; @4 a2 y' nP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
& @$ Q4 l7 Q2 b9 C! s CP370: 12-1012, 1118, 1214 Example:
" j# w# D8 _: z, m" A0 wP371: 12-1108
7 @# R0 j8 A' \# IP381: 18-108(1)(b), 18-158(1)(b)
3 ]) Y4 Y8 F8 i) Z! J/ O+ E' eP386: 24-206
. K8 T1 [+ ^. q u. OP389: 26-256
( O6 P; w, \0 R7 T0 \- b7 V) |P391-P393: Section 28, Example to determine Motor Conductors and Protection
m) i) f9 I/ t' Y) `9 d
) H H d4 \7 T K5 s6 N2 AAppendix D; |; w: F' x( G8 `7 f) U' U
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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