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Canadian Electrical Code Review Guide
4 B; u4 N* p, e+ L+ p" \For the Exam of Electrician For Red Seal License
. v- q( ]4 ?# M0 T9 J& T* b3 b t2 }$ V, M( U
Lesson One5 Q4 U- d1 [1 [; Z' q
Section 0 DEFINITIONS
8 b& Y+ U& Q( j3 HThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:- S4 r4 @% z9 D# ^
Accessible as applied to wiring methods8 I3 F @5 e) [) a
Alive or live
5 J7 C- B' e8 L3 z; C' }Aluminum-sheathed cable
! R7 w1 h4 |0 }4 D( [7 rAmpacity x$ n: S: F$ ^) h* I, K5 {
Authorized person
+ q; w% j4 _1 U9 u G) `4 nAuxiliary gutter
7 f7 b, X- f! t- \& EAWG
! E5 s- B3 ]1 c5 ~Bonding* g" F6 w; Q% r n7 K
Cable tray0 z* S5 t, H- ^
Cellular floor
/ |8 d4 m R8 QBranch circuit
! l" i2 Y5 t7 tBus
5 \% s% I* M, u' f. \0 K3 m: [Busway
2 D& z4 |/ W$ L1 PCommunication circuit3 K. C+ t1 g4 I* M1 C |/ i
Extra-low-voltage power circuit
, {! l8 p J; o4 YLow-energy power circuit3 f M* T0 W; K H. H. I
Multi-wire branch circuit
% x- w! t& T9 V1 N; uRemote control circuit
* Z' [$ z. Q# |/ USignal circuit% l" J6 Z) s- G
Circuit breaker
$ A: D7 O: F; ] Z8 v1 \% z3 w8 uInstantaneous-trip circuit breaker! V( h; h* C. F' y
Conductor! t% X/ y5 `4 x/ Z G
Conduit/ B0 \# K8 F F# ]
Flexible metal conduit* h6 D! j0 p |* a- ^$ p$ F- h1 U: p
Liquid-tight flexible conduit
0 `/ ^1 x2 b6 S* ^( {( `8 L" u Rigid conduit# Q% b4 }1 V0 V8 P ?# ?
Rigid metal conduit( m: X) h6 s7 h4 N% k3 W$ X. I
Rigid nonmetallic conduit
' {; s- i5 z( e9 g. | Rigid PVC conduit
* F. {7 q! @, |" Y; uConnector
$ |( z0 B1 y: o# Y Box connector, L3 H$ b+ W8 g Q
Wire connector& a. ]# i; v6 R# h5 [% A
Controller
( w3 Q) R, j* `3 Z8 n! g2 VDisconnecting means
" D, n5 `$ i4 w r2 FDust-tight; R1 ]- v9 ]# Q; v! a
Dwelling unit6 i' W) h7 Y! \9 ]
Electrical contractor
+ Z" M1 B( I1 m4 B. {- WElectrical metallic tubing2 U/ j2 Y% @3 g( V! r, I& R6 ?
Electrical nonmetallic tubing. ~, x N2 m5 A$ ~ E
Emergency lighting
6 |, E" D% ]% _) L' iExplosion-proof
8 u/ a7 b" e( F% e% O, LExtra-low-voltage power circuit
! m3 I2 H; y2 X5 t, @9 SFeeder
G+ N, a- M0 v+ a- |Flexible metal conduit
$ t9 e# ~7 V: k2 _, n% d. r9 d+ qGround
2 f4 t% A* @; V- xGround fault circuit interrupter
% b. M9 W# @ B% j9 a* qGrounded$ M* w9 F4 o, I2 b% N
Grounding
" ?* G$ M( g/ p& G. b, B3 ^7 FGrounding conductor
5 @3 Y/ ~9 B% ?& ?Grounding electrode
+ G D- h3 ^4 @# m- GGuarded. Y0 c! V7 o3 p
Hoistway
! V/ G P4 M. f2 I& |9 `. hIdentified
$ @* m" P& u7 a( u+ uLampholder8 \$ I( R, Z% {; h6 G8 `
Low-voltage protection
& c. X1 P+ c* a2 ELow-voltage release; h- N1 }" ~ c& M" ?$ r1 @: g6 x
Neutral2 A9 H$ [; ]- D
Noncombustible construction' n2 ^" J/ n9 ^' r6 w2 ^
Outlet, E! H: G1 ?+ x/ @. S
Outline lighting
) _5 y) F5 d; d! a% Z' C$ o4 @* SOver current device! h% I& Z& ]% c. @2 y3 X
Overload device
3 P6 Y& a b2 J$ D% xPanel board, I1 ~) u( ]4 x5 `( D9 M: L' U V; S
Panelboard, enclosed
9 D" D' v; j9 C& F5 lPermanently connected equipment1 f. w4 k, b9 u- d: d) m
Permit
& J$ s9 L" g3 x, h. s" f$ e7 sPlenum7 r4 w( [; [5 u! W( e: g8 ~) x, Q+ [
Portable as applied to electrical equipment/ `0 m' v7 M0 P6 b4 f0 y9 O! c$ p
Portable ground fault circuit interrupter
5 t% p$ e' r8 z% D: T& j. KPower supply cord; w$ e3 x0 I% i" I! j# S
Raceway
' P' D+ a7 ?3 {6 @% O% iReceptacle
h, v/ `3 q0 w ]- R+ V. d/ U Duplex receptacle- C9 e- d. @6 u$ \, g' E j0 \
Single receptacle1 b! Z' n! f5 K8 E$ @
Split receptacle5 ]4 [; j! I% ]+ ]
Service, consumer‘s
: I9 A$ k" [1 A: U3 [% ~Service, supply/ L7 v; W$ v* ^( f$ A4 A6 x3 ]
Service box
, I- T/ Y! U& c! Z4 o8 ~7 @Service room$ t4 K7 j# l% m! @
Single-dwelling
. L/ @' R b$ Y7 \3 zSlow-burning as applied to conductor insulation
* @, a* m2 k- I' PSplitter! F, e, l3 R$ l; w9 o t
Starter+ R0 c+ [) g% v# e' T8 M
Switch
- ]) V0 m2 m* [! Q" [ General-use switch
; r* W# e4 c, c' u: H4 }; a T- U Indicating switch
4 D- y% h# u" }) W6 S( s* Y) q Isolating switch
3 Q% Z4 J$ W" L. u# A+ t ?9 w# ? Motor-circuit switch
& N0 P7 n+ m8 D" ^0 c" G6 a4 k' F6 VSystem
0 O$ P2 g$ S: a' ]( Z* y Communication system( o: V. G0 U1 [7 Z
Community antenna distribution system(CATV)
" C, w# o5 T3 n: N1 n& s4 P Grounding system0 ]( E7 I7 u+ c; P7 n5 }- `2 z
Underfloor raceway* G# C2 S, \5 j. X! T
Voltage:
' T5 |& a/ D+ r! _ Extra-low voltage
# F) s; b7 V. ?/ e8 o Y$ V G High voltage
* V# c9 ^6 j+ \$ Q Low voltage
; p9 ]5 V* p7 `7 L1 J6 ~Voltage of a circuit
. D) J2 @( N' O5 a+ ], j+ WVoltage-to-ground% w( F6 m: _4 @# N/ b9 u8 l f
Wireway) i/ E- [, `% B5 c
5 H5 D% y, C" j' P( D4 c4 u
Section 2 GENERAL RULES
- }# E' o8 `, b/ j; I0 L0 nAdministrative
# g' Q9 k4 C: H8 u' T2-018 Reconnection
+ ]0 a. ^5 E' ]" W2-030 Deviation or Postponement
$ v* E* W& c/ d$ `6 x1 ]0 S! jTechnical General2 h; E% Q, ]3 [ G( E( F
2-106 Circuit Voltage-to-Ground – Dwelling units
# Q: n1 P' u5 X% B& x2-114 Soldering Fluxes1 \2 d7 G& D2 I( B& m7 R0 h
2-116 AWG Sizes of conductors4 n: g7 w* i, o3 V2 r( J. v: R* `
2-124 Fire spread (see Appendices B and G)
2 t& K$ v) @3 L7 \$ W2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)8 v5 I6 y8 `4 m# @% {
Protection of Persons and Property% p' @5 x4 ^: ~* V2 ]% `
2-202 Guarding of Bare Live Parts
$ y& `; K$ I% h7 c! w+ aMaintenance and Operation
7 q3 [, C# m# I0 {. c2-304 Disconnection# G' ` l* x- a- s! ]% C, n
2-306 Maintenance of Live Equipment
- t2 A, |5 U! d- ~4 g5 g' uN 2-306 Shock and flash protection (see Appendix B)
3 k W* P2 N+ }1 X# q5 K% z3 \2-308 Working Space About Electrical Equipment: Table-56, b8 M" G6 S- ]
2-310 Entrance to, and Exit from, Working Space0 Y% T3 C' m" |) I, F! r7 s
2-320 Drainage
! t: J4 H# e I3 U9 R, }) o9 c2-322 Electrical Equipment near combustible Gas Meters and other Devices# ~; C/ q7 ~; U" }+ s+ C8 m
Enclosures7 p7 W8 w- H1 l- S
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) % U+ l( K3 K, E! X, K4 w
2-404 Marking of Motors: DP, WP, TE. J/ M1 O" D9 W. E4 N
" w% }" }# e) M, iSection 4 Conductors- L9 V3 A; h; o% K) S# s; D% `* d- o
4-000 Scope$ u& l& @5 ?! ?+ M
4-002 Size of Conductors: 14#, 12#. N5 A$ `, }0 s& W6 B' ?0 T. R
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36: \9 p- S9 @4 f7 ]2 G( ~( E# u
4-006 Insulated Conductors: Table 19+ A4 w. ?% x% i& G. S
4-010 Uses of Flexible Cord: Table 11
. O$ \, L9 ^2 W( C- y8 d6 b F* R4-012 Sizes of Flexible Cord
/ `! V3 U. D1 e! r1 T# H% V4-014 Ampacity of Flexible Cords: Table 12
" y$ F% t6 t0 K8 s8 k( }4-018 Equipment Wire y# @& v& X, B% v$ Z
4-020 Insulation of Neutral Conductors& Y) h& @2 w8 f/ m* r3 O
4-022 Size of Neutral conductor
# c: o. j' _9 }* j3 {4-024 Common Neutral Conductor
8 u \* Q" c- \+ b6 X) I4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum$ Q1 R% q1 q: e0 ?5 t2 b8 l
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum' O) Q+ k; @: g
4-032 Identification of Type MI Neutral Conductors% H- l2 i; c* _) {
4-034 Use of Identified Conductors
: I! R( m0 q, A+ ~4-036 Colour of Conductors: Phase A, B, C, …/ `1 S% x6 V, g9 R* a3 g
# z; b* Q" K3 l
Section 6 Services and Service Equipment
: n+ R a3 o3 c& iGeneral
' @" R' j" M: \6-102 Number of Supply Services Permitted
% n: d. M/ H* ^" O6-104 Number of Consumer’s Services Permitted in or on a Building$ S( S$ l% h" k6 Z
6-108 Supply Service from an Electric Railway System
& |/ r' V; n) \. a8 W6-110 Three-wire Consumer’s Services
& h( k# G. I9 J- K% p0 \+ y5 G6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors: O" h$ @2 H6 Y P2 Y4 L3 o
6-114 Methods of terminating conductors at consumer’s service' P- ] g. q5 ]- F& D3 k$ d$ w T
6-116 Consumer’s Service Head Location3 }% g, L$ Z0 ^; ?( I
Control and Protective Equipment- u9 O7 g1 o& p+ C. Z' H- o: r
6-200 Service Equipment/ s* `" x1 ~- F
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
. q! L7 K7 G. A0 a& B8 s$ \! [6-208 Consumer’s Service Conductors Location! g* ?) z$ @ U( j; h: f5 o
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches- l: R$ s- o0 k
6-212 Wiring Space in Enclosures
) F' i' B: M9 F! E! l" D1 Q6-214 Marking of Service Boxes8 @. K% p7 w. Y( j. U- B# ?
Wiring Methods4 L- \- o* C$ j
6-300 Underground Consumer’s Services6 u( R$ }& v5 P7 ?+ `! ]8 r
6-302 Overhead Consumer’s Service Conductors& l" H& s4 l4 H
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable9 ^0 l4 E8 [+ B% \9 k; b
6-306 Consumer’s Service Raceways
7 n: J2 s; t# a% F6-308 Use of Bare Neutral in Consumer’s Service3 h. E1 P; g7 i( ^
6-310 Use of Joints in Consumer’s Service Neutral Conductors
6 `) n& |: v% k% f9 ]6-312 Condensation in Consumer’s Service Raceway
6 N4 L7 C- {8 e& lMetering Equipment
# |% A* k |. N6-400 Metering Equipment ^* z" q$ Z+ @0 U }6 U, I
6-402 Method of Installing Meter Loops6 v- }3 t2 t( Q0 n) M
6-404 Enclosures for Instrument Transformers
$ m% C- G5 X& l7 Y. b j5 m6-408 Location of Meters
# e3 n$ A8 o6 {% {2 ~* }9 C- K
% d5 u6 ?9 n B( v: cSection 8 Circuit Loading and Demand Factors
# x" F9 a1 l3 R0 F1 WGeneral, u# U9 e9 e" {% Z6 q1 @9 e
8-100 Current Calculations
P5 x& m7 T: m8-102 Voltage Drop ( see Appendix D)
* ~. G8 R% k: a: m2 h3 t8-104 Maximum Circuit Loading$ C+ r4 `/ c2 k- y' X
8-108 Number of Branch Circuit Positions0 ]" X1 w5 k. Q, I L
8-110 Determination of Areas
0 } L4 Z* c$ Z2 f$ [6 }6 i: RServices and Feeders! R0 e: x$ T+ m4 {& N4 _
8-200 Single Dwellings (see Appendix B)
- G- Q4 M' Z# ?" v* b8 I. F' I8-202 Apartment and Similar Buildings% |! d& c! b% j2 L1 E
8-204 Schools
! v: o! P' s. b' K9 w5 f1 A1 E8-206 Hospitals
+ @9 D: L5 I3 b+ ~% r' i; ]) Z8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
X* R' z9 }# \( M7 S6 j" c8-210 Other Types of Occupancy (Table 14)
, Z/ q1 i6 l6 Z' z0 R; w* ~, n8-212 Special Lighting Circuits
- U# d( Q$ M) i) J) w; P& mBranch Circuits* W B3 ~5 O) i) Z' N
8-300 Branch Circuits Supplying Electric Ranges3 i# z. ?- I: y0 v7 W
8-302 Connected Loads& D- P0 `/ v' b6 b/ o1 k; W4 Q3 \
8 ?' G% y4 n! _6 p" J' u0 u8 zSection 10 Grounding and Bonding7 C4 S. B# d% h% w' P T5 [
Scope and Object" ^+ H& s3 W- k) E# i+ ]: T; R8 M" v+ v
10-002 Object8 W" Y" Q2 f# ]+ S2 A) W, D5 x# [
System and Circuit Grounding/ ]" t* D8 j/ g3 D7 k4 o/ B
10-102 Two-Wire Direct-Current Systems
5 m3 B; J4 v: f; V- \ h10-104 Three-Wire Direct-Current Systems: w5 {5 v ~( _4 O/ G. y; Y
10-106 Alternating-Current Systems- p+ e; N$ u5 f) a% x; \* m
10-110 Electric Crane Circuits/ B8 ~- }* Q* j& C9 h
10-114 Circuits of Less Than 50 V8 @, R* W; H) O) u( p- j" t
10-116 Instrument Transformer Circuits& K+ g3 ~9 ?% ]! f0 y+ X. R( D
Grounding Connections for Systems and Circuits/ k6 H+ w# Q; Q$ I$ n
10-200 Current Over Grounding and Bonding Conductors8 p6 Y& U m9 T% A4 S5 e
10-204 Grounding Connections for Alternating-Current Systems5 B* {6 i* Z; r. ~, Z+ T
10-206 Grounding Connections for Isolated Systems
8 h) C, A# ]0 F3 c, y10-210 Conductor to be Grounded7 a2 h p. X' t3 q% f
Conductor Enclosure Bonding
$ [0 Y; P; v6 l0 J10-302 Other Conductor Enclosures
4 ]+ ~: N- I3 {) Y3 NN 10-304, {7 ^4 u; j% K0 e5 q
Equipment Bonding
7 c |) y, D8 e10-400 Fixed Equipment, General
0 ~2 ?; j1 E) e10-402 Fixed Equipment, Specific (3), (4)
0 }* ?- c% U; j8 C; N* T10-404 In Nonmetallic Wiring Systems. J: F0 K$ H, l- r
10-406 Non-electrical Equipment
4 `" x/ g1 d+ b( f% F10-408 Portable Equipment (4)(b)
' e: s" i# K7 @8 H# N2 y10-410 Instrument Transformer Cases6 B" n G, N: ~9 C
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
! w. p* {- X: E# o; t7 y7 @+ f10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V8 d3 Y# y3 b- P9 Z: E* d5 {
Methods of Grounding: n+ B U7 l! r: ]
10-500 Effective grounding (see Appendix B)
7 c6 |; o; y: u10-502 Common grounding conductors
/ S* ^6 ^* L8 R# k7 a10-504 Common grounding electrodes
' D, [2 p6 x4 b- Y+ oBonding Methods
5 ~! X% j1 l6 {10-600 Clean Surfaces1 A! l7 @* D. e, B2 z
10-604 Bonding at Service Equipment
5 J# H! A) j; O3 S10-606 Means of Assuring Continuity at Service Equipment! c* h0 _8 F5 w
10-610 Bonding at Other Than Service Equipment
; p( s4 s3 l4 V4 @10-612 Loosely Jointed Metal Raceways0 C+ e* U; A& n, Y7 g
10-614 Bonding Jumpers Table 41
8 T7 b9 Q2 x+ K( e4 L/ I4 C9 XGrounding Electrodes) s% T- v- W/ Q% \
10-700 Grounding Electrodes
8 L2 U( R8 p+ K6 V. Y10-702 Artificial Grounding Electrodes4 K8 \1 y; q. C! n8 V
N 10-700 & 10-702$ W% c' @1 z- s1 a6 N9 x. P
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
. X) U$ b4 V! {! tN 10-702- c: p; J+ O2 k9 s- E1 L- {, p4 [
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding5 K4 G0 Z' _! Y) k+ S) ^9 K
N 10-702
6 j% V3 Q* b( U10-710 Use of Lightning Rods (Appendices B and G)4 b% a( K$ q. I% |) E
N 10-706
+ V! J+ B$ G0 k( }! o XGrounding and Bonding Conductors
1 \$ \$ x$ u& V' \ t10-800 Continuity of Grounding and Bonding Conductors
5 V! V' _7 x8 o10-802 Material for System Grounding Conductors
+ |& I: w0 U: r0 k& `10-804 Material for Bonding Conductors* I% k; `1 {' v( z& u
10-806 Installation of System Grounding Conductors: d$ G& R$ \$ x3 P: }
10-808 Installation of Equipment Bonding Conductors; m+ K6 C" N8 Z. a( K
10-810 Grounding Conductor Size for DC Circuits
: k7 J- s5 I8 {. u, C8 F10-812 Grounding Conductor Size for AC Systems (see Appendix B)
0 u' z+ p4 u/ I10-814 Bonding Conductor Size (Appendix B)
& A1 {! X4 r/ |; T; K5 d) e10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment7 ~' q$ l- d2 K8 b3 g
10-818 Bonding Conductor for Outline Lighting4 k0 D o2 b+ S/ e" w
10-820 Bonding Conductor Size for Instrument Transformers1 l8 k# O$ \9 @. X& o9 B8 g
Grounding and Bonding Conductor Connections
' \# `9 ]+ m5 {7 N- K10-902 Grounding Conduct Connection to Water Pipe Electrodes
& ~- q. T Q a' X10-906 Bonding conductor connection to circuits and equipment
) D0 [5 }4 H6 j0 {; _# E10-908 Grounding Conductor Connection to Electrodes
1 n" r9 |0 X$ f" @, {$ s8 zLightning Arresters
) c7 d4 j. h/ |" L10-1000 Lightning Arresters on Secondary Services – 750V or Less
@# @& B- ~- T+ t# `4 X4 `8 I8 v- Y. O
Section 12 – Wiring Methods- H& a& w) G9 _3 s$ y9 ?* U' `
Scope
5 w# A: N4 c; n! B12-000 Scope (Appendix B)
% r1 m4 H0 t* M+ S3 P! uGeneral Requirement H+ G# A" V1 v. }: b; Q/ ~
12-010 Wiring in Ducts and Plenum Chambers
- T% `' `2 ?4 f- R+ S% H4 W12-012 Underground Installations (Appendix B)
; O; a8 s- v7 b w. m6 j2 e12-016 Lightning Rod Conductors3 O) o- P1 a5 U3 y5 U' P
Conductors - General
\; |( q; A' J- Z4 J12-100 Types of Conductors (Appendix B) Table 19
& W& c6 Q% ^1 Y' Z7 `/ a3 Z! R12-102 Thermoplastic-Insulated Conductors
9 E* B' W4 D1 _& x* B; f( \) `+ F12-104 Flame Tested Coverings" O/ b% f/ M2 }% z
12-106 Multi- and Single- Conductor Cables
& F6 I. {2 d8 a% x( |$ S# j12-108 Conductors in Parallel (Appendix B)
; j! D# n0 Q8 S12-112 Conductor Joints and Splices, Z+ U5 l# r( r
12-114 Ends of insulated conductors" e1 w7 M6 j, f# ]- _% y
12-116 Termination of Conductors (Appendix B)# }& G3 M( t4 S$ `2 V
12-118 Termination and Splicing of Aluminum Conductors$ U2 A% z+ W1 W" S8 B
12-120 Supporting of Conductors - Table 21
/ l9 }% F0 {# U: JOpen Wiring
" P0 r' N7 X% C3 b) A+ J12-204 Spacing of Conductors
8 u* \3 c: S5 T5 e# \* k7 F12-206 Conductor Supports6 k# f1 {0 v: H5 @" q
12-208 Conductors on Flat Surfaces1 ?) Q3 j4 N/ O( l( e) l0 F
12-212 Protection from Mechanical Injury+ s8 X* L( L+ D% U
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises) f8 h% W) e6 L
12-308 Minimum Size of Overhead Conductors
$ |, N9 `1 i/ f12-318 Use of Neutral Supported Cables
+ F) e4 q- G* @6 e$ l$ P/ y XNonmetallic Sheathed Cable# _# y" }" J( @
12-502 Maximum Voltage: | f7 p3 J0 P2 u
12-510 Running of cable between Boxes and Fittings (Appendix G). p. q9 X, a- ]! i# b" S
12-514 Protection on joists and rafters
( _# v5 o6 K5 \5 `8 z# _4 y* V% Y12-516 Protection for Cable in Concealed Installations (Appendix G)" Z6 T R. W, K" H* W4 ?3 u
12-522 Where Outlet Boxes Are Not Required6 L7 s) A5 N( }# n% O; d6 |( g
Armoured Cable
+ j6 z/ e$ Y0 f1 m- s12-602 Use (Appendix B)
0 ]/ A) H' ~ \: s& |- J12-604 Protection for Armoured Cables in Lanes
* L) R! n |9 M12-606 Use of Thermoplastic Covered Armoured Cable
0 K$ x' I+ o9 C8 ~- B! a0 b12-608 Continuity of Armoured Cable: d7 G, B( Z6 T# d) k+ q
12-610 Terminating Armoured Cable1 r- W" U3 h1 a' I( G
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
; u L3 [! V0 A6 n. g7 P+ M12-614 Radii of Bends in Armoured Cables
/ Y: j( k/ v; \; K12-616 Concealed Armoured Cable Installation
3 M. V( a: ~* {' e6 [; K12-618 Running of Cable between Boxes, Etc6 z7 W5 j; S* _$ j/ A
Mineral-Insulated and Aluminum-Sheathed Cable
2 X! X2 z' p9 ^12-702 Use: m2 O* \& C5 B9 A8 P, N
12-704 Use When Embedded
/ U& E$ i3 P) n. o/ @- X" f12-706 Method of Supporting
D: F- C' o9 E- r6 @12-708 Direct Earth Burial- K- _. G W3 u6 d
12-710 Mechanical Protection
* \+ S2 i e5 i12-712 Radii of Bends
4 L# \0 {2 d1 Y( e( R8 P3 t0 {1 ]; V12-714 Termination of Mineral-Insulated Cable (Appendix B)9 z% x( k2 O* o* ~2 w: A3 Q8 ]
12-716 Connection to Other Forms of Wiring
x( c7 `8 _9 iFlat Conductor Cable Type FCC
* n6 u ]) v) X12-804 Use Permitted- y; h8 w2 K+ s1 j0 W
12-806 Use Prohibited
1 p% D" @% K6 h7 }12-818 Anchoring
8 M/ @9 j/ X9 `* V' R8 i3 [& J6 S12-820 Crossings8 v3 H7 a; v4 W, j j% e6 N2 G
Raceways - General6 w* L6 E; R/ ^# c5 Q& @6 f
12-904 Conductors in Raceways0 ~9 w' b9 b5 l9 f5 w& L
12-906 Protection of Conductors at Ends of Raceways; u/ P; Z2 ~$ s, n
12-908 Inserting Conductors in Raceways& h1 W3 {( ?% y/ e% U! M
12-910 Joints or Splices Within Raceways
- Z3 H" o* L& N12-912 Stranding of Conductors
2 H5 o! r- y* K' F1 W' X12-914 Electrical Continuity of Raceways
) r! _! h1 t! w$ I12-922 Radii of Bends in Raceways: p) q3 a9 Y+ s& d' ?& D
N 12-922 Radii of Bends in Raceways Table 7
; i) z3 {5 u( I. a+ S* G- T9 R12-932 Protection for Raceways in Lanes" D: O8 f0 T, _/ B9 {
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B): g6 R) s7 R( g, [
12-938 Capping of Unused Raceways
, K2 [! d2 a. a( Z4 t. Z12-940 Maximum Number of Bends in Raceways
2 w+ A% ]; _ H* H; Y yRigid and Flexible Metal Conduit7 P1 A7 z) K9 e% |' `9 v
12-1002 Use
6 _% X: O. t& O8 D& [12-1004 Minimum Size of Conduits
" e7 V0 d0 \- Q- |+ @1 g12-1006 Conduit Threads (Appendix B)
. F2 W$ ]/ L8 c; F1 y5 v' F4 ?12-1008 Thread Engagement9 j5 o0 G- x1 n. Z6 ]$ m9 ]/ L! ^
12-1010 Maximum Spacing of Conduit Supports
" n. R1 K$ |6 E7 w; R7 _, l4 O12-1012 Expansion and Contraction of Conduits (Appendix B)
* p4 f) p; C' m o% T12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
2 x7 n7 K& p5 h3 _# uRigid PVC Conduit and Rigid HFT Conduit: z; U9 H0 h6 _( Y4 t
12-1100 Use
; v% o) x- t/ X5 b12-1102 Restrictions on Use7 _4 G$ b: }: q, u
12-1104 Temperature Limitations (Appendix B)- ?- h$ j1 x$ q/ Z: M/ T' ^& i
12-1108 Field Bends (Appendix B), (2)
/ m) S d9 l: ]9 e* `12-1110 Support of Luminaires
* H8 s I8 d& G12-1112 Fittings8 E; T0 R; k g5 [
12-1114 Maximum Spacing of Conduit Supports$ Y t- s- z( x* Y7 h" r. g
12-1116 Support of Equipment
5 _. p" O( G4 g0 ~5 ]12-1118 Expansion Joints (Appendix B example)1 q, |# [- |( Q4 y' b. b7 Y0 ^
Rigid RTRC Conduit+ q, b8 X% c) E/ \
12-1210 Temperature Limitations1 d- f5 S' S' S: a
12-1214 Expansion Joints (Appendix B)
0 x7 i' Y2 ?' a2 TLiquid-Tight Flexible Conduit
: }: X, Z5 Z8 p. O6 d12-1302 Use of Liquid-Tight Flexible Conduit Q/ J2 n$ o Y; m
12-1304 Maximum Number of Conductors8 F+ e2 j3 o9 m
12-1306 Provisions for Bonding
; ?' _# w# R$ S9 aElectrical Metallic Tubing
7 W$ w8 K. [& W5 ?% X9 v" l$ q; {! u12-1402 Use; M7 I5 }. G# I" O% w( X
12-1404 Supports) v2 h7 x# }# A4 P N
12-1406 Minimum Tubing Size
) [' t z* U* r7 h8 `6 |% L- N12-1408 Maximum Number of Conductors7 y( E+ J& t* N& c5 A9 ?
12-1410 Connections and Couplings5 y6 z* j5 Z* b" L# e7 X
12-1412 Radii of Bends in Tubing
3 b+ q. e+ Y$ [N Table 73 s& {7 n. O! `) ]
Electrical Nonmetallic Tubing
/ I/ g& G; }& O% d* c6 b12-1516 Provision for Bonding Continuity/ Q' m6 I7 h5 a+ ~0 F" L
N 12-1514
- X2 f0 `0 v U& y* LSurface Raceways
! P: C7 X( R( a% ?) C: P( B9 F12-1602 Use of Surface Raceway (Appendix B)6 ]5 m/ V* ^1 {4 l: T
12-1604 Temperature Limitations
4 K7 O! c( B* x& j, n2 K12-1606 Conductors in Surface Raceways (Appendix B)' X3 N @! H+ z- c, u2 ~4 B0 b
12-1608 Maximum Voltage
1 h" M/ m0 Y" B. I12-1610 Joints and splices
) P- H1 v& V* h; `Underfloor Raceways
. f8 Q, g. u( E0 K# }12-1712 Discontinued Outlets in Underfloor Raceways* ^9 o6 b; S" t- H
Cellular Floors
& v0 `5 m# f# _1 H, H3 C12-1804 Maximum Conductor Size in Cellular Floor
8 s5 Q" P" m# u* m0 g) e9 J/ O12-1820 Cellular floor discontinued outlets
: _* U+ B. X, q/ rAuxiliary Gutters
; a$ p. v+ h* A4 x2 N. b5 X& l12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
) Q- A' ? v& n+ S8 ?; \; ?1 y- [12-1902 Auxiliary Gutter Supports4 H: ~" l. e) V
12-1904 Auxiliary Gutter Cross-Sectional Area0 h5 n- S7 @# n" \
Busways and Splitters5 e; L8 Z# R# Y
12-2004 AC Circuits in Busways and Splitters$ |% W. ^! V) a
12-2006 Busway and Splitter Supports
, }' g7 z. R& D6 z0 B8 v12-2008 Method of Installation of Busways
1 k+ w+ [1 `. }; ?/ m: y" O12-2012 Reduction in Size of Busways* F) R; v, `4 \9 d: W4 l# D5 P
12-2014 Length of Busways Used as Branch Circuits6 u5 u( W* s8 h! ?. ]( z! q" o
12-2018 Taps in Splitters
. _8 ]+ @" |- ^' O# KWireways
1 s0 [+ F2 \% g) b' T; r12-2104 Conductors in Wireways/ Y6 F0 {! i6 w: F) L( e
12-2106 Taps and Splices in Wireways
1 h* M* X. N5 `' C Cable Trays
3 }! f! n5 t; s: s$ \12-2200 Method of Installation (Appendix B), c" ~( E9 T$ t+ X( u
12-2204 Joints and Splices Within Cable Trays
: H+ Z! s* s7 ?12-2208 Provisions for Bonding
; C5 c) h8 ?: |2 w& b5 h Q$ k q12-2210 Ampacities of Conductors in Cable Trays
+ s/ L q5 n' N _) {2 uInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings* X- o% ^4 F8 |# y+ I& ~
12-3000 Maximum Number of Outlets Per Circuit
, a+ Y# o; W: d. xN 8-304/ f. x- J) W# I: ]9 a8 b7 |2 ~
12-3002 Outlet Boxes (Appendix B)
9 D/ Y3 t. f! d1 uN 12-3000
3 I' q+ q, i/ W, T* C4 R3 I( L12-3004 Outlet Box Covers
0 r/ B# Y2 a% I4 QN 12-3002
8 | j, ~4 Y3 |: m12-3010 Boxes in Concrete Construction$ g1 o& U; o# o. t/ q: Z: @
N 12-3008
) Z, b- w" X+ d" Y12-3012 Outlet Box Supports. }( `0 m! g; F4 o2 ]
N 12-30107 r9 o# A: P2 M, {3 v% ?+ \
12-3016 Accessibility of Junction Boxes/ x; ~6 P' a5 w8 e, l' t
N 12-3014
* J, A; `! c2 k5 n12-3018 Flush Boxes, cabinets, and Fittings7 |$ e8 F$ L) X/ A$ N! d9 c' u$ Y3 B
N 12-3016
1 ]8 t4 ~3 J3 [- m/ |12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 7 g2 k8 O0 s+ v1 d; E) ]
N 12-3022
, b9 l& f% F4 i, l1 c12-3036 Maximum Number of conductors in a Box - Table 23) @* Y/ x1 u8 Q# |, _# c
N 12-3034
5 g/ b* \6 o+ T: u7 [12-3038 Pull Box or Junction box Sizes
1 e% d( {+ l; XN 12-3036
7 }, |% p8 }2 K7 V% L i0 j. W8 r' Y8 S) w& D2 ]* L; A2 e) x
Section 14 Protection and Control6 H- n, W6 o( y+ Z9 E' [9 u
General Requirement
9 ~- h( M% e* [ C( `14-010 Protective and Control Devices Required
1 j/ P# B1 {: U* a1 r8 r, m& Z14-016 Connection of Devices& z& j2 W6 k1 I& u# O
Protective Devices – General
; U6 K/ R9 |8 m, V- i 14-100 Overcurrent Devices Required. i, x% }9 {) d: t3 Q6 w
14-102 Ground Fault Protection (Appendix B)1 `+ }# B! U4 Y3 i+ K! |
14-104 Rating of Overcurrent Devices (Appendix B) Table 136 y/ _5 E1 n% @& }
14-112 Overcurrent Devices in Parallel5 ~ Q+ _/ R+ l) X
Fuses
9 Y- h" |4 l' _1 b5 L6 O6 y+ @14-200 Time-Delay and Low-Melting Point Fuses
1 h4 y3 x# q. y14-202 Use of Plug Fuses
: l$ N1 ~9 G! }! s; M6 H14-208 Rating of Fuses4 @. D. f4 R/ M7 e4 i4 T$ i* N
14-212 Use of Fuses (Appendix B)
* M$ K. F& ~/ j5 ?! {Circuit Breakers! u! E; o# y2 U( q* S2 }& U$ e) S5 s. S
14-300 Circuit Breakers, General
- U+ _* C3 f8 p+ T# C* B, y m14-306 Tripping Elements for Circuit Breakers
$ o0 j M% Y6 {9 v; E14-308 Battery Control Power for Circuit Breakers
* F4 d1 x. p2 y# nControl Devices - General8 u/ m& s: k# I/ ]" S. F3 P6 u! i
14-402 Disconnecting Means Required for Fused Circuits- r/ \. _6 T0 n0 E! n% M
Control Devices - Switches) h9 E; W/ b& f9 b% r
14-502 Mounting of knife Switches
7 V; v$ q" \! Y" x9 a14-504 Maximum Rating of Switches/ L0 U* F* B+ i2 B
14-508 Rating of General-Use AC/DC Switches (Appendix B)
4 N* l. o, |2 }( r+ V8 H14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
& {& U: t1 L: [" _ ySolid State Devices1 g6 I, b6 t% C6 }9 f) A
14-700 Restriction of Use
! u/ [9 g' N0 b& B14-702 Disconnecting Means Required8 |0 b, E% j, d) V% x7 ` r8 [* |
/ c$ W0 u% g9 t( |0 I$ S" SSection 16 Class 1 and Class 2 Circuits% m$ ?" P% R& K, \2 L! g
General5 a/ }$ \+ t4 Q+ r4 B* ?* ^
16-004 Class 1 Extra-Low-Voltage Power Circuits
7 S+ D m- q Y9 b+ K16-006 Class 2 Low-Energy Power Circuits
6 T8 V8 s- L+ a, [16-012 Circuits in Communication Cables
- d" z+ E: z+ e; _% C1 S5 r# nClass 1 Circuits; e) @* L' {& ?5 c+ G3 a+ R: D
16-100 Limitation of Class 1 Circuits8 w: ]& E* @% r+ {/ P
16-104 Overcurrent Protection of Class 1 Circuits- A# J5 _" P- ~1 @8 u# v
16-106 Location of Overcurrent Devices in Class 1 Circuits
' s: f: m1 I1 A8 K1 {! O. a16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
5 T" n+ h* }8 M! r7 W16-110 Conductor Material and Sizes
4 {5 e7 x- X* W: y3 G; a! G: _' S16-112 Insulated Conductors for Class 1 Wiring5 y. G" f; G5 M. E/ s
Class 2 Circuits
" Z& _6 ^6 P c) Q+ X: Q. s16-200 Limitations of Class 2 Circuits (Appendix B)! s" g: }2 l! l: r6 O( b( `
16-204 Marking
2 ?) `- K8 y( C: |$ O8 _% o/ q5 h16-206 Overcurrent Protection for Class 2 Circuits
+ \$ O- d! q9 v% B9 q16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
" ~% ?+ H' D1 X F5 @0 WELC: extra-low-voltage cable# T% ^& u3 v3 P0 d2 P% N/ U B
16-212 Separation of Class 2 Circuit Conductors from Other Circuits$ v. B/ T6 \' i
8 v f5 ?/ ?- xSection 18 Hazardous Locations3 E" D* [* Y' B7 X4 d" G- i
Scope and Introduction. A# j" A9 A, I( q* r
18-004 Classification
" u3 O' W2 T) u$ J. t5 E18-006 Division of Class I Locations (Appendices B and J)# e, h# \9 a3 g9 \
18-008 Division of Class II Locations (Appendix B) W- j, R. a* R2 A# i3 R8 }& q& X7 Y
18-010 Division of Class III Locations (Appendix B): w( y8 R9 w+ J. t& n: M
General
3 W! `9 L/ Z& G* k0 M18-062 Metal-Covered Cable (Appendix B)* g0 q+ x- G3 K/ J: v* c% Y
Installations in Class 1, Zone 1 Location, X5 P! M4 j6 l# T
18-108 Sealing, Class I, Zone I (Appendix B)% G1 ?( P% N! f' W2 w
- O/ ~9 W/ w+ @- P4 c3 n" hSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
5 R! U: W; w: S$ `3 M6 O! l0 PGasoline Dispensing and Service Stations
( z' M0 G, N G) D2 ?/ V20-002 General* ?6 X: R0 x a! N
20-004 Hazardous Area (Appendix B)
4 h, X) C' g) r ^% d: HPropane Dispensing, Container Filling, and Storage
" `' @% z1 X) k; O J5 V20-034 Hazardous Areas - Table 631 f) u( |) W: R) R; Q; s6 H9 K
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities+ y/ P T. Y8 ?0 T
20-062 Hazardous Areas. x& p2 _ P' q% G v& o
Commercial Garages – Repairs and Storage
; G! k2 T% j2 {5 r- [ j, [20-100 Scope
( ?& B. l$ J7 W( k7 k20-102 Hazardous Areas (1)
# g- @ t* B3 u' z+ ~2 v- T" u8 c* i" L; D4 d7 h" `
Section 24 Patient Care Areas: w% E1 s, z2 y0 m0 ^$ v: y o
24-000 Scope (Appendix B)
& ^, r7 C! S7 r" ?24-002 Special Terminology (Appendix B)
3 E. z& I( H) s7 @ M Patient care area
6 w( k5 O6 N! I% G4 ePatient Care Areas/ Z3 U9 f+ ?) ] C# b' z- L$ C
24-106 Receptacles in Basic Care Areas (Appendix B)% N9 E$ \$ v( N q
Isolated Systems
% J) a5 X4 F, w, Y8 q+ X24-204 Single-Phase Isolated Circuits (Appendix B)/ K1 H/ y4 |' e$ y
24-2063 w' y0 k* A. b2 e
9 V9 U \8 n% W1 q# o3 `/ SSection 26 Installation of Electrical Equipment4 h9 Y( x* ^. i. }: `+ Y
General
# B9 K! _# f( x0 l S' n5 p26-004 Equipment Over Combustible Surfaces (Appendix B)
: E# n7 ?0 W3 B9 F26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
t. f# ?: M: h: D( O; T Isolating Switches
3 k4 Z, W! Y% p7 U26-100 Location of Isolating Switches
& w; Y9 U# R9 f5 [- I$ \ K" `Capacitors
$ T, l* X! g$ C: E8 s! N26-204 Guarding of Capacitors# l& `: S" z& Y$ @6 h9 P- W) g
26-206 Grounding of Capacitors8 q [. u2 P p" l" U9 S1 W7 ?5 k
26-208 Conductor Size for Capacitors
: e p7 _" U0 N- R5 Z, f3 ^7 ?26-210 Overcurrent Protection (Appendix B)4 Z0 f. Z! j' B: j: C8 F
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits5 o3 M+ a* h* D n4 h
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
) Z, E1 R# c2 P! j3 b% W1 N26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
" v6 d% N; M. u/ o26-218 Special Provisions for Motor Circuit Capacitors) I `0 U1 g2 H
26-222 Drainage of Stored Charge of Capacitors* ~7 \, ?/ K- o }) m5 i
Transformers
9 F5 t8 Y; w2 q5 Y26-240 Transformers, General! e* P N) \1 @( ~% E+ y& P
26-242 Outdoor Transformer Installations0 ~7 {/ i9 y% v" a$ @# R
26-244 Transformers, Mounted on Roofs (Appendix B). ?- Y1 A8 G @6 Q
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
; o1 b2 a+ x$ v6 G# D26-248 Dry-Core, Open-Ventilated Type Transformers
6 X9 S8 J: L8 B: Y. a$ S26-250 Disconnecting Means for Transformers
0 Y; R% Z1 b; [% O26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
1 R, P- S! W+ I, E: f. ?26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers8 `. H& [- u: P$ ~
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B); t3 J0 i; | j( l5 z0 \
26-258 Conductor Size for Transformers; J; U4 S6 G2 x4 \/ C
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B) J# W2 U7 H- ]" X- s# Q* E# c
26-262 Marking of Transformers0 M. }) k& u8 A6 D; d7 a
26-264 Auto-Transformers6 [- M" a6 A; a& X( r
Fences
! G1 \0 ]! V+ v0 ?/ i, a26-302 Clearance of Equipment - Table 33
' ]! c- @$ e9 ^' t6 f6 n/ rPanelboards" `2 A; c* P: D" A4 j' w
26-400 Panelboards in Dwelling Units (Appendix B), b, y4 n8 s* H4 I
26-402 Location of Panelboards (Appendix G)
8 c& G4 |! ?5 R% x3 b: zLightning Arresters( q' p" B+ r& f4 l) i) C$ g
26-508 Connection of Lightning Arresters
8 O# y8 a2 h+ ~0 f7 q# `4 V# i/ nStorage Batteries
4 K: X. r; t2 _$ h9 k$ m. n/ J. l26-542 Special Terminology2 s/ u( c) j! R& Y: o
26-550 Battery Installation
- a' ]2 @( w( U! G/ t P26-552 Wiring to Batteries
" W' h& e3 z9 @4 P# A e u: \) vArc Lamps
$ ^. C: V! f; W+ @( E/ G26-600 Location of Arc Lamps
2 ^- u5 L5 x/ e. ]; `8 p& v& x26-602 Conductors to Arc Lamps
0 e/ I' I( t* g" O* k0 F7 n26-608 Globes and Spark Arresters
' f9 Z4 D. u9 K' IReceptacles
e. v" \5 Z4 y) |3 C3 d9 w" J1 s26-700 General (Appendix B)
0 V/ w( g) a0 l ]2 s8 X8 G6 c26-702 Receptacles Exposed to the Weather; T3 d6 p7 T' a- T
Receptacles in Residential Occupancies
" x) A# h# ]+ {$ ^26-710 General (Appendices B and G)
8 O4 d/ Q4 c5 d' ?26-712 Receptacles in Dwelling Units (Appendices B and G)2 f' w& q% k, A5 ], A6 V
26-714 Receptacles in Single Dwellings (Appendices B and G)3 e& ?+ d0 E( L& y' N9 Y
Branch Circuits in Residential Occupancies$ d1 J' L" y9 R) U, O
26-720 General
8 l8 h- l) l! b% \7 ?26-722 Branch Circuits in Dwelling Units
) h# ?+ X' V. j) X: o! W26-724 Branch Circuits in Single Dwellings8 v9 u4 q7 H" Y3 R
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
2 ?. b& t$ c t4 M# G: W# V5 l, kN 26-720 (F)" {, ]: }! Z4 i+ ^
Electric Heating and Cooking Appliances3 \ [' ?# o; W8 x B( _
26-744 Supply connections for Appliances2 X4 R% o# r% X. W' l" Q7 x3 S
26-750 Installation of Storage-Tank Water Heaters
7 f1 L8 T- q3 \& X; C y26-752 Infrared Drying Lamps* D1 y% q6 p( [; G+ S7 n5 S
2 J4 I3 X' `% W$ YSection 28 Motors and Generators
' |8 h, W# d' s+ B3 f9 hGeneral& F+ H0 [8 J- D0 L
28-010 Special Terminology
- e/ g3 v6 s/ ?! YHermetic refrigerant motor compressor& @! o s/ T4 ~) K }* ~+ N, U5 a
Locked rotor current rating/ A: `% J! _+ `
Service Factor
+ e: {+ s. _5 K# x# LTable 44; Table 45; Table-D2
. ]- A& ?. |) KWiring Methods and Conductors
9 x5 q+ Q5 l, I4 r28-102 Portable Motors
# `/ I3 a( {+ o0 a P8 X3 F* _* ~28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
& Z" S% \( P4 S) _) R. Y/ e# S; ^28-106 Conductors, Individual Motors* S2 F4 Z/ ]; V7 w
28-108 Conductors, Two or More Motors
; C1 D! }/ h+ I; S28-110 Feeder Conductors
8 |% N% h% s1 u0 |; H28-112 Secondary Conductors0 O5 Y6 K) G |' C
Overcurrent Protection
6 X" I9 ]# d' N: r28-200 Branch Circuit Overcurrent Protection* o0 B; l3 W8 v* D, G: z
28-204 Feeder Overcurrent Protection. n) K3 J: x/ N8 v
28-206 Grouping of Motors on a Single Branch Circuit5 `# W8 b: _" v2 N; s1 j" R
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
& F# ~, g/ X' l" j0 mOverload and Overheating Protection
1 e, F5 b. n& Y; N28-302 Types of Overload Protection
2 _: b. S' S4 Z( I$ N6 j, B8 W28-304 Number and Location of Overload Devices (Appendix B) Table 25
3 e6 }* p0 J+ d5 t28-306 Rating or Trip Selection of Overload Devices (Appendix B)
, \ D0 L5 ~2 i" q4 {+ e* ~28-308 Overload Protection Not Required& Z v( T% Q" ?/ k. c5 @, L
Undervoltage Protection $ D1 O E. p8 |6 U' I& T2 R, Y" v
28-400 Undervoltage Protection Required for Motors (Appendix B)6 c% z. Q9 h2 t" r
Control3 ^+ s# y9 i3 t0 O
28-500 Control Required
) L" n }& Z Z' V" x' {- e28-502 Control Location
& o, j! C3 m7 B6 o1 z ?28-504 Starters Having Different Starting and Running Position* [! o$ _1 I* P5 X) A
28-506 Grounded Control Circuit
Z7 M5 z) ^8 I7 Q5 GDisconnecting Means h- H5 c: L; D/ u
28-600 Disconnecting Means Required
9 I7 d/ n3 e1 w& |7 e3 h7 m& v28-602 Types and Ratings of disconnecting Means (Appendix B)
c$ Z* Y, L X% L$ U28-604 Location of Disconnecting Means
; D& W: U4 U2 Z/ ], m. ]+ Q Hermetic Refrigerant Motor-Compressors
; |& `0 @; L9 N* O7 p28-706 Conductor Ampacity8 X" w0 X3 j" |! N" Q, e4 { w% U& g
28-708 Overcurrent Protection
4 L1 C* ]( S2 h' {28-714 Disconnecting Means
, I- ~3 m; ~# V; Q: R, q- ?Protection and Control of Generators
; J- L$ k) k8 |% Y" O4 A28-900 Disconnecting Means Required for Generators" t c8 @* [* F/ n) e
28-902 Protection of Constant-Voltage Generators( B( Z4 D$ @' U- l0 x4 u$ P" R9 u
28-904 Generator Not Driven by Electricity t, M; H2 g" U5 N* \
28-906 Balancer sets, ~$ W. N7 b7 g! k9 n" K
28-908 Three-Wire Direct-Current Generators: O/ T3 a0 j0 N6 C: ^# v" [
2 g! X' H2 `% |Section 30 Installation of Lighting Equipment
) q# @/ b* ~% m! z# q: U- C! I30-002 Special Terminology (Appendix B)1 P' I1 Q% C! U' x; B
General
0 u, u# B( C+ _* x) d' n w30-102 Voltage
E8 |; M: [4 @7 r! G$ r30-104 Protection (Appendix B)& b: T% n$ O9 ]( K
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
' }) u* T1 Q; ]& n4 l30-108 Polarization of Luminaires( s8 R( O* x4 h6 e8 l
30-110 Bonding of Lighting Equipment! {) w8 w' |8 ]. J% C' q
Location of Lighting Equipment
9 J7 P {$ H4 [30-200 Near or Over Combustible Material$ P! c% G, k) t- z6 g% \. n1 v
30-202 In Show Windows
) {: ]5 R( B/ x; {/ [) H* R30-204 In Clothes Closets; _5 ~* O3 q' q. ]9 }6 b
Installation of Lighting Equipment0 d1 ]' j7 t" L3 R2 |% R
30-302 Support
+ p ]' Q3 m& p30-304 Outlet Boxes to be Covered& [2 G" V) ]# Y9 V& f; s; ?
30-308 Circuit Connections
4 N* D0 T; R3 |3 a30-310 Luminaire as a Raceway
+ V' l. \% z% c8 F3 j8 |& M30-314 Minimum Height of Low Luminaires
! F1 t2 C; G, x/ [/ o2 o& ^$ Z30-316 Luminaires Exposed to Flying Objects" ~8 A6 v. Q; w# J. ?
30-320 Luminaires in Damp or Wet Locations
1 X3 l; m% z8 a' N) v1 ]. |N 30-318
0 Q3 L/ H; x9 H' Q) B7 yWiring of Lighting Equipment* S/ b/ w! ^, d b
30-400 Wiring of Luminaires
9 {- }1 C6 J e2 A9 C30-402 Colour Coding$ {4 S2 e$ X2 j3 z
30-404 Conductor Insulation" d" c6 x" G1 y" v. I
30-406 Conductors on Movable Parts. S/ I+ P- m9 h( u( q4 I
30-408 Wiring of Ceiling Outlet Boxes# {7 M+ u/ A. k4 n3 q9 p% a
30-410 Wiring of Show Window Luminaires$ N7 z9 L( j( v7 z& y5 u2 G8 ]
30-412 Tap Connection Conductors }* b3 u6 s2 \" D$ C8 q4 a
Luminaires in buildings of Residential Occupancy
+ A- [" S/ e1 A- ~2 h2 ]4 D% Y30-500 Lighting Equipment at Entrances (Appendix G)
* S/ o C8 d4 a* g0 }30-502 Luminaires in Dwelling Units (Appendix G)$ v7 b8 h: M. f4 I9 e# s
30-504 Stairways (Appendix G)
; R# Y, U7 B. r( j o0 b' @! ?; M30-506 Basements (Appendix G)
4 d: V; P; T) Z7 }( ]+ c30-508 Storage Rooms (Appendix G)% } T) m9 o5 f1 i+ F; V/ J9 Z
30-510 Garages and Carports (Appendix G)
, A" S- }; O0 N- Q4 C* r/ YLampholders
6 F; r4 F! o& i30-600 Lampholder rating with Incandescent Lamps
. q" v8 |8 i# f. T- DN CANCEL
5 L4 O& X5 M- K3 e- v% O4 f& q& n30-602 Connections to Lampholders! S' U+ @9 A# `& E6 [8 \/ V
N 30-600! {* \. b- T. `8 T0 h
30-604 Switched Lampholders Used on Unidentified Circuits
# }7 a0 e* R: `; H& {, t- yN 30-602
+ O$ I3 s- @: G. ?30-606 Switched Lampholders with Pull-Type Mechanisms+ e9 x$ K, T2 W
N 30-604
' B) S' k% }) h8 ?% j/ S" h3 N$ G30-610 Pendant Lampholders# J4 C: U" t1 G! C! M
N 30-608( @& M9 w+ p+ m7 n8 [# ]: A" A; T$ ~
Electric-Discharge Lighting Systems Operating at 1000V or Less0 R5 C# P8 c3 `& A2 {
30-710 Control (Appendix B)" b( r! y8 O$ g+ A/ [8 _
30-712 Branch Circuit Capacity% b: P# @; ~: H* j) ^2 m5 U
Electric-Discharge Lighting Systems Operating at More Than 1000V
0 i- P' p3 E9 G( v30-802 Voltages, Dwelling Units* |2 T0 P. g3 m
30-804 control (Appendix B)
$ D1 H" ?3 V0 v* Q2 `4 TRecessed Luminaires (Appendix G). T8 l; z) d4 h1 Y2 ~5 f
30-902 Spacings for Non-IC Type Luminaires7 ^# x* V; X, j
30-910 Wiring of Recessed Luminaires (Appendix B)
9 v! Q4 W7 J# s/ u& EExposed Wiring for Permanent Outdoor Lighting
$ c- }8 ~2 ?- J, X1 ^- O; x0 p30-1120 Branch Circuit Loading and Protection) Q1 b, N( h( R& j
Extra-Low-Voltage Lighting Systems
' J+ C' p; c" b30-1202 Sources of Supply6 w- b' g) e1 g/ r2 S, e' |
- ?# ^; P. x6 CSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
- _; U7 _# ^0 z. \5 z% k# m# {9 kFire Alarm Systems
( t' k7 q! p! B: c2 Z g$ _32-100 Conductors
# d! C$ a! D, U7 k& {" I/ A- J$ a32-102 Wiring Method- U$ H/ ]6 f- ~! n# D9 [: Z
32-104 Equipment Bonding
" K) o# T: r( P6 A7 |% d3 W: ~32-106 Electrical Supervision e+ M/ F9 n0 r9 Y
32-108 Current Supply! q" m" l; K' G8 N/ G* J4 `. C) F
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
O" X# M4 t, f' VFire Pumps
- w/ c9 g1 I+ X0 m. ~3 d- z32-208 Overcurrent Protection (Appendix B)
3 K) X; D- E9 Y5 F( R( b2 eN 32-206$ X% F" R/ ]+ M* r
32-210 Overload and Overheating Protection (Appendix B)
+ @# d( g( b& L0 ?, X" o32-212 Ground Fault Circuit Interrupter (Appendix B)
" f3 n0 W$ r5 H& Z. X+ P0 m* c; C4 o, k; ?: d; T
Section 36 High-Voltage Installations
* P. ]" B3 r: c2 c& Y4 g+ lGeneral
; C9 O4 k& @3 @# ^! k* Q8 G36-000 Scope (Appendix B)
# O t8 W& Q4 F! r" b2 `2 _# w36-006 Warning Notices, {2 g6 i1 T. w# u' V9 ~7 p
Wiring Methods
3 I5 H: ]/ W) D# @6 E/ X, ]0 {36-102 Radii of Bends
: [; I. Q4 O, R4 }1 ~8 |36-104 Shielding of thermoset insulated conductors) [3 w5 U! c: m+ Z4 g% Y' R, @
36-108 Spacing of Exposed Conductors (1) table 30, table 31
' I1 t8 Z7 X; v36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
$ ?0 L3 f, [" C; p# J2 L* dControl and Protective Equipment, z/ f; n4 G9 u' g& ?
36-214 Disconnecting Means
3 P: K1 l0 n. E; U7 \8 e8 Q: D. u Grounding and Bonding
" N9 B! [# G, Q4 ]2 W4 |36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
7 p3 d: {" N2 F& J7 M36-302 Station Ground Electrode (Appendix B)0 @" \1 V `; u- M! V& ]! `
36-304 Station Ground Resistance (Appendix B)
5 }# _2 s5 K( D1 s& B3 J( G36-308 Connections to the Station Ground Electrode (Appendix B) K5 q5 T, E. n0 S% }; V/ Y$ W
36-310 Gang-Operated Switch Handle Grounds
: {* g# e( m- p+ e3 F/ }/ q36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations/ @5 L8 n: U& E& X9 z2 L
9 E* ]1 [' k* u7 M+ Z& o
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
( P& A5 S9 H" r1 K38-002 Special Terminology (Appendix B)
6 h8 N, c' _5 H+ ~38-003 Voltage Limitations (Appendix B)
' _0 G6 a% D2 S: m1 s* j38-004 Live Parts Enclosed
- }* u! f+ V& f* |8 Q( U8 h7 v. \38-005 Working Clearances1 s) e0 H. Z: `( n3 Z& ^& Q2 ^! e
38-011 Insulation and Types of Conductors
/ ]2 l9 E6 j u38-012 Minimum Size of Conductors1 o7 @2 O2 `: `2 X9 v& H a
! Z3 P. ]9 \& j+ V1 Y* H) m0 Y G0 @& ^
Section 40 Electric Cranes and Hoists0 V s$ w' l+ m9 u# v2 q
40-008 Disconnecting Means
9 B# P* _- V7 R1 t( C2 n40-010 Main Contact Conductors
7 n, e( E" I2 B3 ~; n- L8 d6 ^8 _( l# l9 s! Z$ h! c+ m
Section 42 Electric Welders& M6 \ A! D$ Z7 g, i) W* K
Transformer Arc Welders% f$ s- b$ ], V; s1 s
42-006 Supply Conductors4 `6 O& I7 d O1 J: t
( }/ v% V& r" l1 d6 ?$ I) e
Section 44: Theatre Installations6 F/ X5 H0 U9 z6 ?1 d8 p- G+ w7 g
General7 j' L1 c2 [% \. c( l1 t, P+ y }
44-104 Number of Conductors in Raceways3 k. Q* W' R) M# z0 T5 p
44-106 Aisle Lights in Moving Picture Theatres i4 [! [, r; Q6 n% o8 t x* r
Fixed Stage Switchboards
5 Z0 f% i& O% }( S a; p$ i1 `- k5 p44-210 Overcurrent Protection
5 X" c( f0 P, P* xFixed Stage Equipment
- U! T' ?4 ^* Q8 a* \7 J: f# y9 m44-324 Receptacles in Gallery Pockets0 w; g. C% }! ]
44-326 Receptacles and Plugs
9 L: P# W- ` ?( w
y/ C1 Q! t( v* F" ~Section 46 Emergency Systems, Unit Equipment, and Exit Signs0 l/ a1 }7 ^) @1 b* ]6 i B
General
2 p% A3 S/ Q! Y0 @7 |0 m" f46-102 Instructions3 _; V" B) C# S, v, J
46-108 Method of Wiring (Appendices B and G)
; H: d9 E0 a0 }- s$ z) AEmergency Systems
, r2 S$ A; S M7 Z% s: A46-202 Supply (Appendix G), ?- m$ N' i( n8 L: P
46-204 Control
, a9 w. U( c1 j4 a9 k46-206 Overcurrent Protection
; f5 k+ X' T2 R6 c" b g0 y" s46-210 Remote Lamps
9 X3 l1 R4 V+ A1 f' F i4 `Unit Equipment
% X: H# X' u1 d" U: | d2 F+ B! V' e2 i46-304 Supply Connections
! F) |3 v0 H' s2 s46-306 Remote Lamps (Appendix B)
& J; Z# j* Z/ f, L8 r- y$ d0 GExit Signs/ [2 q# v3 q, v+ f4 i. C
46-400 Exit Signs (Appendix B and G)4 m( g q. E$ e5 V- ?
: L) h' ~; ]& W, `, d" A7 y9 X- k
Section 54 Community Antenna Distribution and Radio and Television Installations& ]* w) o1 W* X; o$ t& u
54-000 Scope
, U' Q+ A" a2 f/ V, c, b54-004 Community Antenna Distribution (Appendix B)0 U6 {3 @9 R( d4 m5 Q
Community Antenna distribution) ]+ r0 C9 ^( m0 Q1 w9 H
54-100 Conductors& E0 M2 B- ~4 ]0 {; N2 H
54-102 Voltage and Current Limitations (Appendix B)
6 B+ G5 G% h+ Q! b3 B; cProtection; c& z; }3 E* i# z1 R
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B); v W9 l% j/ C9 I6 o! Y+ c, Q
Grounding
+ z& K# l% e$ c. k1 t A& W54-300 Grounding Conductor3 d# E0 c0 k# E/ X
Conductors Within Buildings
4 V* B4 e8 G1 x$ Q54-400 Separation from Other Conductors7 m5 w, J# v% Z0 B V' w" G+ g, h" w
Equipment% O1 Z% ]: s/ k: ~! [+ }
54-500 Community Antenna Distribution Amplifiers and Other Power Sources& j1 x6 a% k: A# q [
54-502 Exposed Equipment and Terminations
1 `0 X! _) g$ N/ r, N+ z" e$ p r$ r, v& @
Section 56 Optical Fiber Cables, w" k$ S- b+ a
General
4 A8 y s* h5 N+ G56-100 Special Terminology, \0 l" U; |" E+ A1 C
56-102 Types, p% b- \/ F J" ]
Installation Methods
( _0 T9 Q. \4 `6 d/ W/ a9 `0 n56-200 Nonconductive Optical Fiber Cables (Appendix B)
( o, g$ s. C. a' s/ _1 `56-202 Conductive Optical Fiber Cables (Appendix B)( G4 B! M( a" E6 ~& k( R- z. W
56-204 Hybrid Cables7 z/ L7 @* j+ u$ j# `0 k
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)7 K0 E' v: i! _' `- C
: g8 \- g, X4 o6 I3 @
Section 60 Electrical Communication Systems
# r+ M8 X& D: \3 U8 tGeneral
1 q) c. i2 P2 Z" C1 v7 ?60-100 Special Terminology% n% Y# w. O. U3 e5 y+ ^
Protection
: E% c: w5 U2 S60-202 Primary Protector Requirements
, S2 r3 N x% N& e2 ~/ {Inside Conductors" L: a# D% b3 E6 ^0 m
60-308 Separation from Other Conductors2 y" o7 L+ [0 \! P( h! u
Equipment+ I( R4 w+ {# _, T) X3 c
60-404 Exposed Equipment and Terminations/ O7 E$ x0 N/ X$ I8 |$ `' e; w: C
Underground Circuits3 h& K v! X" Q& F2 V, T' D5 _
60-600 Direct Buried Systems& M, V2 E" o, {. f0 n4 ]
; d& [' I' z% C2 Y9 r" `Section 62 Fixed Electric Space and Surface Heating Systems
4 O5 P; w/ D9 Y) K5 I. ^$ AGeneral% m2 G( y$ m! I8 \
62-102 Special Terminology
1 \( L% X" A! @; L: K4 H1 T62-108 Branch Circuits& K+ k+ i7 r' \+ ?9 A6 Q! N
62-110 Installation of Fixtures
1 ~! Z/ r. F( B62-114 Overcurrent Protection and Grouping (Appendix B) (5)
5 `' q! x; I. A! ^! y% K/ q5 @" d62-116 Demand Factors for Service Conductors and Feeders (2), x1 H9 M0 w+ B
62-118 Temperature Control Devices
! w, z4 a- h2 E& N8 X/ i62-122 Installation of Series Heating Cable Sets (4)(7)
( \$ P3 ?2 |2 u# X% e& }- R! S9 mElectric Space Heating Systems
: \* n% H) O1 T/ H5 ?; i: `62-202 Temperature Control; ^5 B; W5 ~1 F
62-206 Proximity of Other Wiring (Appendix B)9 ^1 ^6 q0 J* P# I0 ^1 d
62-214 Installation of Heating Panels and Heating Panel Sets
# l1 ]" }' X: }! S8 u- q# }62-218 Series Heating Cable Sets in Cement or Plaster Ceilings4 w* C, m9 d' n8 Z | O) i
62-226 Installation of Under-Floor Covering Heating Panel Sets2 o# s+ s+ v) d# X
Electric Surface Heating Systems( I% `! m7 o; ^, N _, r
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface2 M& i! X G; l% O. M) h
& @- q' B. t# d6 r9 C: c. nSection 68 Pools, Tubs, and Spas* Q& K, z9 K) ^* }0 q& F) M8 w l# y
General. l2 k: E6 d* y
68-050 Special Terminology+ ]4 z; n1 |$ }: b: ]5 u% H
68-056 Underground Wiring - Table 61
* k6 u5 V0 {9 W9 f, J3 {68-058 Bonding to Ground (Appendix B)" p9 m* C5 m; Y" ^' f
68-060 Junction and Deck Boxes (Appendix B)
- M6 h5 _ J- j0 F+ {7 I( J68-064 Receptacles4 Y$ R2 i' n. M! [
68-066 Luminaires and Lighting Equipment
: L# h1 L; D9 I- ?+ [1 G68-068 Ground Fault Circuit Interrupters (Appendix B)
5 f/ g( B$ j7 `. N
% i) ~: ~: H i, d2 q( z3 iSection 70 — Electrical requirements for factory-built relocatable structures and
9 x: t: [0 \7 i6 K! b+ G8 I/ Lnon-relocatable structures' q: f9 \9 e$ w5 U# I
70-130 Tests (see Appendix B)# o3 y1 q+ W; ], p. Y6 p! | @
1 Z. E- {; o+ O1 YSection 76 Temporary Wiring (Appendix G)0 F7 M* Y7 @( S3 c4 _
76-004 Grounding: H7 o) y, J; h$ I
76-008 Service Entrance Equipment
6 g; D, c2 ]6 {N 76-0062 K/ [0 S! u+ Z
76-014 Branch Circuits
- s0 D$ T9 I$ u, S1 i. d7 ^N 76-012
$ x& e- k- G8 d
% }! \2 M+ z% i4 `8 P+ MSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours6 B& ]' X8 H: }* h
Marinas and Yacht Clubs
/ x9 k( g5 @, Y: I6 f78-052 Receptacles
. E8 Q5 @3 z, X6 K78-056 Feeders and Services
& J. J# u7 ~ k5 D8 J, z% eMarine Wharves, Structures, and Fishing Harbours- O8 v; y/ Q2 W S! [
78-106 Grounding and Bonding
8 w* T: O/ I* o4 N0 vTables
. m" C# x% c4 p7 f k8 e8 P1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65
8 T; A2 N4 Y. P7 ?# Y2 P4 e% _1 j, l- }& U+ |$ O( l1 J9 _! x
Diagrams: 1, 2, 7
9 q0 L4 h! B1 A& G4 m" H4 M, m4 `- T' p8 H
Appendix B
W$ \3 n% L- e# v3 }4 c7 {0 ~P352: Ground fault circuit interrupter- 6mA
, F' T# V1 m3 g! z( N* AP354: 2-126 FT1, FT4, d" I$ b# d! w+ F9 I2 s/ j
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g); N0 R/ `; a: B N1 v* a( E4 b9 L. C3 t) ?
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)3 D/ T9 D, r& c- D
P370: 12-1012, 1118, 1214 Example:1 n$ h( n. a' R. x
P371: 12-1108
* T) o9 j" D6 ?; ]( TP381: 18-108(1)(b), 18-158(1)(b)2 x! v0 u* ~2 W, S8 f3 x0 |
P386: 24-206% R2 r( j: Z) @
P389: 26-2561 ~5 O- ~! W# L# r* r) w( A
P391-P393: Section 28, Example to determine Motor Conductors and Protection( W D4 Z8 y, V3 t
" }5 y6 z3 W3 K! g( w
Appendix D
0 P9 U. o M7 B2 ETable D1, D2, D3, D4, D5, D6, D7, D16 |
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