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Canadian Electrical Code Review Guide# P8 K8 r9 j/ ^' @
For the Exam of Electrician For Red Seal License. j/ G0 v \/ z3 B& K
: j- ?# ?1 S! P. u# d0 iLesson One
. w8 D, E, U6 h$ w! `Section 0 DEFINITIONS
# ]7 {2 E% x& qThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:- ~% a6 } J% F! B3 w
Accessible as applied to wiring methods
- |! m) E6 Z5 q6 vAlive or live
, E! F9 D$ Y6 K9 ]: Q0 |4 kAluminum-sheathed cable
+ V/ `7 t+ `4 x! K2 {, YAmpacity
: ^2 {6 O1 \' ^; f2 B; RAuthorized person
, }/ {. h0 V3 \Auxiliary gutter
2 F6 j6 H! a% kAWG
* d& B. I) w3 U* f1 mBonding0 @& p- k7 X0 A' L2 p" F* m, [1 E
Cable tray
( X' W! Q% J" L* @9 M& mCellular floor2 F+ `* j; _/ F0 y& t$ p
Branch circuit
' s) X) N) p! R& P' ]: jBus7 F C* u& r# D# F, Z4 A
Busway
- y& ]. r# T7 v, ICommunication circuit" |! K6 |" a5 \! o1 e4 d D3 L
Extra-low-voltage power circuit
1 c# c4 j( }5 PLow-energy power circuit3 L* K$ C# {1 z& `, g
Multi-wire branch circuit
/ O; \8 R2 w6 o% C, v9 S9 CRemote control circuit
5 b: D) @1 U/ v- Q# C" P2 A5 C. oSignal circuit
4 T6 U* b$ Z- uCircuit breaker
- c8 |, {. P' |& V2 YInstantaneous-trip circuit breaker
( g, o) N+ ~9 o" mConductor f% L8 ?* G5 F, W4 ?, g% v
Conduit; Y- n+ l, b; r m
Flexible metal conduit
( ]8 M8 j z! Z2 Z" \2 ?/ L' w; N Liquid-tight flexible conduit0 |1 B8 R' U; q2 K3 A* k
Rigid conduit/ p2 z/ X' {8 R- C: ~& c, E6 m
Rigid metal conduit
6 O& B% m3 d& u' b M Rigid nonmetallic conduit
! N1 B- d4 D& Z' S( S( q* z Rigid PVC conduit
6 L# V) W% T9 VConnector- N f1 G/ ?5 O, L
Box connector
3 K/ a. L! R! w6 T; `9 I Wire connector
- ?8 r% v' f8 h( UController# I+ d# X( n& @
Disconnecting means1 A" `! v( f. S
Dust-tight1 q' u7 s* M7 i; W9 E6 b$ o
Dwelling unit
; s$ K) s. T! V: O7 AElectrical contractor
, a @" t5 {0 V6 ?( z6 n3 O, mElectrical metallic tubing
8 u) d) v* U0 r0 T& E& _Electrical nonmetallic tubing
/ \0 b( F, u0 y& M* NEmergency lighting
0 V. Z9 P9 t3 ~' j- ?0 Z9 EExplosion-proof
& U5 O1 H! Y2 p4 r! Q: a6 A0 c# }Extra-low-voltage power circuit: v4 z( p7 i, S, j$ f) y
Feeder
# ~& g6 z) Z' p& j0 M" SFlexible metal conduit
8 @" g) A9 C# QGround$ i+ M M Q* M8 G
Ground fault circuit interrupter$ C& z3 u; Y: k. I% m* b( S
Grounded
R. b/ [1 ?5 rGrounding
. r) e! J" J2 P) zGrounding conductor
9 e; @& R, q2 V5 s$ a6 TGrounding electrode
( Z; ?$ ^( u( D5 jGuarded
8 `! W* ]$ o" ^% K$ |1 o. [! F9 H# pHoistway
' \1 X2 L" y. D% b2 \0 |Identified3 B- v% {2 X- ~1 c
Lampholder
9 E* e' Q0 t N$ G# L: nLow-voltage protection
% x; Q4 V" F/ q$ I1 [- gLow-voltage release
" ~, A5 a/ t& C4 ^" l4 jNeutral
) g% X, o& `$ p+ @4 t) gNoncombustible construction0 E' r7 X5 r/ {! H. l
Outlet
" n$ t9 F9 b! e" w0 yOutline lighting
0 f" h6 M8 P9 i# pOver current device
* }( W& G% b+ T0 @9 n/ vOverload device/ j, n0 ^" l* M5 u0 n( M
Panel board
* x6 O5 M/ Y% J# C8 J8 PPanelboard, enclosed0 A1 O! V8 R5 ~1 G7 N
Permanently connected equipment. F8 V' Z. b! y. D' X8 Y6 F* i9 f
Permit; n' S2 n t6 O, Z; o) l
Plenum
; Q; k) g4 \7 I. OPortable as applied to electrical equipment. O3 w( S9 {+ y3 f" Z# ?
Portable ground fault circuit interrupter
L" J# S/ J, }! ]Power supply cord
3 j z/ K3 K4 M4 Y4 ]Raceway
6 b5 e& w! y6 q' ]Receptacle) N, l5 H$ ]' Y; r: a
Duplex receptacle6 K( n* Y$ d9 K- O+ `" {" r! y9 g
Single receptacle8 g' S6 @" Q5 }0 v y/ D
Split receptacle
& v0 X- n$ q; ]4 k2 cService, consumer‘s$ T3 b! `# z) }
Service, supply
; ^( L) h( f gService box5 H: |. J7 h1 a \
Service room/ U C: u" A2 h
Single-dwelling- ~) c) O! h" x* R
Slow-burning as applied to conductor insulation g7 D4 @* p+ B0 K7 V/ h' y8 I7 l ?
Splitter
* h0 M* _3 \0 [" Z! _. @6 @' F* r3 ?1 ]Starter
6 B' d5 U" d- [. |Switch
$ t7 C3 N; F# B General-use switch' w1 P; {- T/ ]
Indicating switch; Q# l: O9 d* [1 r, r( u
Isolating switch
: E7 K7 w1 h5 Y! U! N: _ Motor-circuit switch
" Z, ^! v3 i# w* E D2 MSystem
0 N. e2 j& I0 X8 d1 f' Y1 V Communication system' Y% h$ E a( V# Q1 r9 V
Community antenna distribution system(CATV)
0 L& K) L" P! K. o7 G Grounding system
& J: N& u0 Q& e" H5 CUnderfloor raceway/ m8 b2 k! s6 m# a
Voltage:3 O0 p# \# W. z/ L8 r/ N' q6 Z2 a
Extra-low voltage* ~/ g0 e1 Q9 ^2 ~$ D) d
High voltage
n' b2 I) p1 d' l- r Low voltage* R- m- Y8 F' X" G$ |* Y
Voltage of a circuit
0 I2 O2 `2 }; g1 x3 ]Voltage-to-ground9 }0 @5 f( w* Y) {
Wireway- F1 M& M9 Q: I& K
: V: b! b' X3 W5 @& w3 n" w
Section 2 GENERAL RULES% S/ z( r! j( p+ t# _
Administrative: C& m( A5 [; I! l
2-018 Reconnection/ ~8 N5 e- a% G
2-030 Deviation or Postponement( N2 b! U6 ~ N9 T) R
Technical General9 R0 b. L7 T- [6 F4 H; X
2-106 Circuit Voltage-to-Ground – Dwelling units! K7 z! V+ ]+ W, E, ~: w# z
2-114 Soldering Fluxes2 C ]! x3 R# @% \0 K: o, A9 @
2-116 AWG Sizes of conductors
. D* C- O8 N2 n5 @, g8 Q: }' |1 i2-124 Fire spread (see Appendices B and G)
5 R! X4 p$ d/ G- X; ]& T; |2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
6 W- R' [( J! t, V2 P7 n/ NProtection of Persons and Property
$ p7 J5 y0 f3 q8 |) l+ \8 O, D+ G2-202 Guarding of Bare Live Parts" O1 X0 O) M+ o9 z6 n
Maintenance and Operation
0 Q$ J' t& F/ D! t) N$ z2-304 Disconnection, a# O/ U- A1 r
2-306 Maintenance of Live Equipment W) s: F& f F0 D: ^' S) O
N 2-306 Shock and flash protection (see Appendix B)& l) D/ l3 N8 m1 R! I
2-308 Working Space About Electrical Equipment: Table-56
2 h$ m# s7 g! R1 l3 N, K1 |2-310 Entrance to, and Exit from, Working Space
9 x9 M* }4 n) F2 W/ Y2-320 Drainage
8 {- H C/ I: v7 X, s2-322 Electrical Equipment near combustible Gas Meters and other Devices# ?0 [, V; c) z3 X
Enclosures! _9 u, O: v! z% b1 w
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
# X0 V3 u0 K. C: X& `# c2-404 Marking of Motors: DP, WP, TE
3 ~8 f2 Q! ?/ h2 P; s2 g. U/ Y
' O7 X( H3 G# o& m1 v7 u3 gSection 4 Conductors. s/ y) Y% |! q2 x
4-000 Scope7 F& s' J4 @4 i6 Q
4-002 Size of Conductors: 14#, 12#+ a! G9 o% C. H; p R! ]/ P
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 367 |( p9 c- }% J1 k
4-006 Insulated Conductors: Table 19
" u: G- }9 c; G1 q9 ]4-010 Uses of Flexible Cord: Table 11+ \ U' ~- u9 v" B2 n
4-012 Sizes of Flexible Cord
# A$ S, j& [1 s5 f4 }5 l- Q/ l8 P4-014 Ampacity of Flexible Cords: Table 122 U1 @, N2 N% v( L, N+ p8 G
4-018 Equipment Wire
/ k/ g( U. f6 w" T% `/ Y4-020 Insulation of Neutral Conductors! E1 C4 Z( i/ a/ C
4-022 Size of Neutral conductor" L3 |5 { O/ Z, H7 b
4-024 Common Neutral Conductor# }0 D0 m; m. T% O' q% `" |
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
. ~" k# H0 P+ o: ^: l$ Y; p ^4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum, h0 f% i& D' c( m/ @
4-032 Identification of Type MI Neutral Conductors0 m) [. E- d) v: R; E
4-034 Use of Identified Conductors! w! f' O/ ^+ A& U! _ w5 r& Y
4-036 Colour of Conductors: Phase A, B, C, …3 m1 [& o( e( X- }
0 s7 J/ }; d. g6 C5 E. G
Section 6 Services and Service Equipment @3 F+ E5 e. Y, |. n
General
7 m. `& {7 T' W) O& o6-102 Number of Supply Services Permitted* | d9 J- H% a; Y1 |" C
6-104 Number of Consumer’s Services Permitted in or on a Building0 n8 Y, D& P% |6 I% U; \
6-108 Supply Service from an Electric Railway System
! ]7 N& L* G$ Y, e9 h6-110 Three-wire Consumer’s Services
. g* j' Z! ^8 I7 d* W6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors. K7 |& Y* d( m% M0 D- p$ n
6-114 Methods of terminating conductors at consumer’s service
) o1 x" b3 u3 ?6-116 Consumer’s Service Head Location+ y7 v8 ?: B+ ] ` K
Control and Protective Equipment
8 F. K% P, k6 c2 n* P6-200 Service Equipment' Z& G' r1 O. e% z7 n" }
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
! h) {$ N( D3 i6-208 Consumer’s Service Conductors Location; ?. H% ^4 y4 A
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
# h0 V+ u8 B, y0 R7 X7 e( s6-212 Wiring Space in Enclosures
/ I3 y' N7 K3 M( ~6-214 Marking of Service Boxes
) I/ T# t% c; V/ A' {9 eWiring Methods- w% X7 Q& ~5 b- S
6-300 Underground Consumer’s Services7 |) b. e7 M0 n: v2 ~4 s
6-302 Overhead Consumer’s Service Conductors
; e: ^$ f: q1 `4 q6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable( Y4 D- H: Y+ b, |% k( x# o; T
6-306 Consumer’s Service Raceways6 a- J& Y% b4 d
6-308 Use of Bare Neutral in Consumer’s Service1 N6 }* \ Z" Y) w, ]: D- Y
6-310 Use of Joints in Consumer’s Service Neutral Conductors
9 K( D; ~9 _5 l1 K) V5 r* F$ C6-312 Condensation in Consumer’s Service Raceway
6 p$ U# k8 j( k# k7 OMetering Equipment: |0 Z1 }. s; h h8 N
6-400 Metering Equipment' L0 V$ w, }9 J! G" e. m; w& ^! E
6-402 Method of Installing Meter Loops
! l% G% @$ q8 |9 u6-404 Enclosures for Instrument Transformers" E" A- X1 F' t
6-408 Location of Meters
/ T- X, [2 r7 k" ]
% V6 c/ H l: sSection 8 Circuit Loading and Demand Factors
2 I; ?. [: w! ?6 X& U- I5 pGeneral( e6 k$ c9 c. ^! Z
8-100 Current Calculations5 e9 \+ L. ^' i6 v6 u( J
8-102 Voltage Drop ( see Appendix D)- A3 }& V' G/ u Z
8-104 Maximum Circuit Loading
* r! j( B2 }# w8-108 Number of Branch Circuit Positions/ U# z' c) n3 |7 N t6 c
8-110 Determination of Areas
" u; }! ^: _2 x* L& \Services and Feeders( \, w5 U' p) m E1 o# i9 B
8-200 Single Dwellings (see Appendix B)
# D- y+ r4 p) _; a4 y' O7 f# y i8-202 Apartment and Similar Buildings
; Q5 R) F0 m+ d/ X7 Y! `, O+ V0 c# S8-204 Schools% w0 P( D& k0 z: @) Q3 ]/ a
8-206 Hospitals1 W. T n; {) U! V2 e% h% E
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
4 A7 d2 ^" o+ ?, a4 w8-210 Other Types of Occupancy (Table 14); |" i4 D, R6 F: H( Z
8-212 Special Lighting Circuits2 B& b" k/ X' t- G+ H
Branch Circuits K7 b. e4 F9 ]. F
8-300 Branch Circuits Supplying Electric Ranges* m' u+ v h9 C5 x1 I
8-302 Connected Loads
# Y0 g3 s( q- A. p+ y: c
! Y- `2 t3 `# x5 LSection 10 Grounding and Bonding$ z+ U6 [& A7 o) m# K+ ]- a
Scope and Object
2 d0 A6 s) @2 N: P+ Z: v! A10-002 Object' w& a; K! M' ?- C3 X
System and Circuit Grounding, Y- K. b( @: U o$ o! T7 w ^' S
10-102 Two-Wire Direct-Current Systems4 U& x" ]8 o/ f4 M# `! ^0 f
10-104 Three-Wire Direct-Current Systems
1 @3 `2 A1 b- }- ?0 G1 B10-106 Alternating-Current Systems8 D) h; M+ a( N& k
10-110 Electric Crane Circuits: E; y7 ]2 f5 }! \" b9 G
10-114 Circuits of Less Than 50 V
* e" z* u! Q0 w- e+ H) w' d10-116 Instrument Transformer Circuits+ D! ]2 s$ b- h' i$ |* M+ @/ W
Grounding Connections for Systems and Circuits
1 _* w/ ~8 |7 n0 }10-200 Current Over Grounding and Bonding Conductors+ n9 |: ~. Z/ J! B; j
10-204 Grounding Connections for Alternating-Current Systems" [+ u- D; {3 C J" I6 y; r
10-206 Grounding Connections for Isolated Systems
; [( P; Y1 l c$ x( A10-210 Conductor to be Grounded
0 g/ d% c; h! NConductor Enclosure Bonding
6 X k5 c7 p% z2 C10-302 Other Conductor Enclosures
4 p% O( {+ J8 l! I' EN 10-3049 F. n( F/ }# M: d8 V/ k& Y4 a
Equipment Bonding' ^6 L2 ^1 F M. C, ?: }
10-400 Fixed Equipment, General4 r e* C# g3 I; ]8 j& _ v4 l
10-402 Fixed Equipment, Specific (3), (4)
1 x. c/ e7 U3 R3 O& G; d10-404 In Nonmetallic Wiring Systems0 [. E) E+ K0 Q) n8 g( ^2 N
10-406 Non-electrical Equipment: |3 u# T8 {) Y- L4 {. y0 g
10-408 Portable Equipment (4)(b)3 t$ [" x [5 B: F+ ~ w
10-410 Instrument Transformer Cases
5 b1 U3 g) }( i9 C% A O! y3 Y10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
! c D0 p& w/ C1 a10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V" h% j6 n; V8 Y; c! d, X
Methods of Grounding
& d( d- p+ }: [/ C/ _10-500 Effective grounding (see Appendix B)8 s2 F+ T" f0 I8 Y
10-502 Common grounding conductors
# L1 G' n( @4 y/ U: h2 \, V, V10-504 Common grounding electrodes
, }& B& ?; A+ c8 H; M3 g: O, yBonding Methods g. p) U; ^5 K$ h# E4 b8 F
10-600 Clean Surfaces
, V7 {# i* W( Z2 _+ k10-604 Bonding at Service Equipment
: G- c! L! c+ R10-606 Means of Assuring Continuity at Service Equipment8 Z! o; P6 ]. c: _
10-610 Bonding at Other Than Service Equipment
Q2 m( H# y ?# h; Y! V5 o% i8 o/ N10-612 Loosely Jointed Metal Raceways
' A" j( C" l" d3 h6 v; E5 ~$ Y10-614 Bonding Jumpers Table 41+ u1 I" y; z4 \/ V
Grounding Electrodes! Y* S& r) E% d
10-700 Grounding Electrodes
4 [* k. Y& o! o) H10-702 Artificial Grounding Electrodes$ O6 v- ~9 J4 S3 g
N 10-700 & 10-702- z& L) d7 I& v$ g2 v5 f
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
+ X( M7 L/ p8 S1 ?: A& Q$ DN 10-702 V1 I0 X. o$ I/ X
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
- A& }$ e1 {, O0 PN 10-702- t) L" g# ?% j; T/ W' J
10-710 Use of Lightning Rods (Appendices B and G)
" |0 j4 n; M) L2 i; K! ZN 10-7069 f- F1 U& r o2 j- R
Grounding and Bonding Conductors4 s$ t8 \# j% l' _! d* v- V( {
10-800 Continuity of Grounding and Bonding Conductors
6 n) \- A) v4 z6 k10-802 Material for System Grounding Conductors' M/ Z( Q$ v! A ?% n u0 H& r
10-804 Material for Bonding Conductors
5 S1 `, O/ n% v) `10-806 Installation of System Grounding Conductors+ o$ G9 b. W: K* Z- t( |* }
10-808 Installation of Equipment Bonding Conductors8 [2 r9 l; Z6 X& s: C
10-810 Grounding Conductor Size for DC Circuits4 ~9 z* C" W6 J0 S$ F$ o
10-812 Grounding Conductor Size for AC Systems (see Appendix B)& Q4 R' H* l9 u$ `& `. j" q
10-814 Bonding Conductor Size (Appendix B)" K$ A1 ~/ A4 J9 S: y5 q- y7 j$ h4 }
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
; K9 A/ ?3 n6 k4 A* ?5 ]; z10-818 Bonding Conductor for Outline Lighting
/ `4 j& i4 f" p- p- J5 p6 @10-820 Bonding Conductor Size for Instrument Transformers- r# D! H% ~8 `4 [
Grounding and Bonding Conductor Connections8 L5 Z# x6 k) t* J4 y
10-902 Grounding Conduct Connection to Water Pipe Electrodes& E1 R& V/ h( o! E- F' j
10-906 Bonding conductor connection to circuits and equipment
" S; D4 ~, c- S( Z# T2 c( @9 j10-908 Grounding Conductor Connection to Electrodes6 N: d. S4 F1 F! y% ^6 b) w9 L
Lightning Arresters7 [: f' ]3 |; D8 h0 M7 {4 x
10-1000 Lightning Arresters on Secondary Services – 750V or Less7 `: R! k) c4 Y! h( `" q
8 A- i$ L! W* P, _+ @' W; k
Section 12 – Wiring Methods
) c5 e, w% E0 J( N6 |# SScope! x' {6 M; B6 @5 x. x, f! y6 X5 a& W
12-000 Scope (Appendix B)& |% X" [' r2 m8 @
General Requirement% m% t- \. f5 I# ?
12-010 Wiring in Ducts and Plenum Chambers
8 V, U6 t* ?% e( x" h! q12-012 Underground Installations (Appendix B)8 l( o! h G, }. R2 ^9 ]) f# g
12-016 Lightning Rod Conductors
# l3 |( T5 f1 A$ _Conductors - General( v0 H: U+ q, U2 _- l
12-100 Types of Conductors (Appendix B) Table 19
2 }' `& @; l' S) b12-102 Thermoplastic-Insulated Conductors
5 T' R! A1 |" G3 E12-104 Flame Tested Coverings
2 c0 }5 l) r# ^9 g% d6 ^7 M12-106 Multi- and Single- Conductor Cables, n3 A ~& s: }' [$ y6 r/ Q* s( A
12-108 Conductors in Parallel (Appendix B)9 ]+ h! [3 W* q: f2 B
12-112 Conductor Joints and Splices
3 f( c/ s7 f3 u' ^! `0 s12-114 Ends of insulated conductors) X/ o' ]$ u" K" M' g
12-116 Termination of Conductors (Appendix B), Z8 |- Y' ~4 U- c
12-118 Termination and Splicing of Aluminum Conductors
) ~" q* R2 r5 n; `12-120 Supporting of Conductors - Table 214 C! z2 H* f& I2 M4 E/ W
Open Wiring% [8 j4 j1 Z6 p1 s% K
12-204 Spacing of Conductors
8 C! t8 T1 |. e1 _( v! K2 v" K12-206 Conductor Supports
! R3 K7 A# b4 P12-208 Conductors on Flat Surfaces# T( D* D" J; B% _
12-212 Protection from Mechanical Injury7 \3 I7 L# V- r
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises! l: s* H$ ?+ Q: c, L8 b* Y
12-308 Minimum Size of Overhead Conductors7 q; H3 C" t% T4 I! `
12-318 Use of Neutral Supported Cables
$ C) v& Q# y, \! T; jNonmetallic Sheathed Cable" [" Q. W% J- l" |6 ^
12-502 Maximum Voltage
. E% p2 [2 j1 i, T' \9 w12-510 Running of cable between Boxes and Fittings (Appendix G)
( J8 X. ^/ B, J* j! s) S6 x9 l12-514 Protection on joists and rafters* J9 w V6 j5 F4 Q3 ~/ {
12-516 Protection for Cable in Concealed Installations (Appendix G)& q. D! F! W, y/ r( U, r
12-522 Where Outlet Boxes Are Not Required
! ~2 e I2 W; L( j+ n( {Armoured Cable. P3 t7 d+ d/ T; z) A
12-602 Use (Appendix B)
+ S+ s8 V/ E% `" `12-604 Protection for Armoured Cables in Lanes
" B, H; p' j$ {4 j( f12-606 Use of Thermoplastic Covered Armoured Cable) I/ s' X4 i3 c! C0 c! N
12-608 Continuity of Armoured Cable
* D7 b" g2 w4 r1 q; \12-610 Terminating Armoured Cable
% @0 ?7 ]+ n* C+ E8 u& T' o12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems! o- Y& X2 [, M! L; A# k
12-614 Radii of Bends in Armoured Cables
) \ [ Y+ \5 c/ O. s% [3 b# Y7 @7 {12-616 Concealed Armoured Cable Installation
/ _4 Y/ n& I, U( ^" t12-618 Running of Cable between Boxes, Etc# H) B7 I: s3 F8 N. J
Mineral-Insulated and Aluminum-Sheathed Cable
# i" d5 T* r5 [4 n; D9 e4 v12-702 Use: H. t, p4 N' @( o. I
12-704 Use When Embedded! ^$ Y" U' ^" f# W9 W* U
12-706 Method of Supporting5 g) J; D# l& c- Q( q
12-708 Direct Earth Burial
5 S1 a- u6 h2 M, l12-710 Mechanical Protection% w. |* S8 u/ a9 t( |0 ~. y
12-712 Radii of Bends, y3 H# T# s4 `7 W9 f
12-714 Termination of Mineral-Insulated Cable (Appendix B)' u* E; j! N- L) w
12-716 Connection to Other Forms of Wiring+ t: }# B- G# {
Flat Conductor Cable Type FCC& k. m; N$ C$ t( w% Y9 d
12-804 Use Permitted" ~; Y: T4 {( e' P; o% a& w1 M
12-806 Use Prohibited
" D- D5 w) l; R( ]12-818 Anchoring
, x& x) ^# e* Y% E/ f12-820 Crossings
9 |; u9 \0 M9 sRaceways - General3 D. r8 T2 I. a5 }
12-904 Conductors in Raceways, | H4 |- `4 ?
12-906 Protection of Conductors at Ends of Raceways2 O4 x }7 s+ m3 {4 I" v: w
12-908 Inserting Conductors in Raceways8 u2 R4 M5 [ e* X
12-910 Joints or Splices Within Raceways
- Z0 o0 X: X9 r5 n5 y' x12-912 Stranding of Conductors
8 E- ?* |& K8 @& i- r12-914 Electrical Continuity of Raceways! P# s9 P; ?4 B- x/ g( d
12-922 Radii of Bends in Raceways+ v( i* k1 h) m, K; o9 ~; y7 F
N 12-922 Radii of Bends in Raceways Table 7+ l/ a1 B9 T% M; a8 }
12-932 Protection for Raceways in Lanes. i: Q9 J7 ~: p9 j. ^! x# q- x
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
5 k& D4 o7 V& C1 ^$ z+ X. r& u4 [12-938 Capping of Unused Raceways
3 D' O2 H( k5 Q* m- W12-940 Maximum Number of Bends in Raceways$ {+ i" Y6 c$ s6 |8 [! h4 t' j7 X( S
Rigid and Flexible Metal Conduit6 r" n2 w4 u9 J+ Q9 t
12-1002 Use
) {& w/ D) \6 l6 P/ Y) J12-1004 Minimum Size of Conduits9 p" W, m- Y' F- a& A
12-1006 Conduit Threads (Appendix B)
0 c: Z5 f8 x0 z* Y$ s12-1008 Thread Engagement
/ |6 a4 M* N% _0 C/ {3 O12-1010 Maximum Spacing of Conduit Supports
6 W$ a2 a$ F1 L9 C7 S" a12-1012 Expansion and Contraction of Conduits (Appendix B)
: h# f8 U! O/ a F12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
5 n( R: E. w' E4 t+ l/ kRigid PVC Conduit and Rigid HFT Conduit5 N% a; O% M/ _- p8 O( ?1 j# n |
12-1100 Use
$ D/ @7 m8 _$ S" l% j3 {12-1102 Restrictions on Use
w$ i5 x$ s. |6 V12-1104 Temperature Limitations (Appendix B)
/ k8 Q; O2 J- W9 o: a12-1108 Field Bends (Appendix B), (2)+ m% }: z3 x$ k5 s H/ y, C
12-1110 Support of Luminaires
8 J$ x4 S! H2 c8 D( h12-1112 Fittings! b5 [) ^/ X. P2 n$ r
12-1114 Maximum Spacing of Conduit Supports* N" B& A6 J/ `! }4 y* d4 j1 D
12-1116 Support of Equipment) a8 `$ n; y( D2 @6 Y2 {
12-1118 Expansion Joints (Appendix B example)
& P& `9 x2 ]' ^ pRigid RTRC Conduit2 m- ~+ I8 i3 g# G; q5 b
12-1210 Temperature Limitations' h; S C0 Q. ~1 l8 h: N
12-1214 Expansion Joints (Appendix B)
. e+ [5 p: [- q' \3 sLiquid-Tight Flexible Conduit
, h; J( E7 w; [) Q12-1302 Use of Liquid-Tight Flexible Conduit4 c8 j; f) e. z' F8 w/ R
12-1304 Maximum Number of Conductors
( T/ q. E2 D0 Q2 i6 @7 R; J12-1306 Provisions for Bonding
+ J# [; k+ b* n2 n6 R, A5 lElectrical Metallic Tubing
! q( R# F& k( z G2 z12-1402 Use6 h4 g+ s1 }$ J: g. W
12-1404 Supports
. d# F) Q8 ^$ k12-1406 Minimum Tubing Size
' N1 P' e0 |0 s! O12-1408 Maximum Number of Conductors
! i( j6 H/ O5 i! ?+ n12-1410 Connections and Couplings! P* C7 o0 U3 _9 [
12-1412 Radii of Bends in Tubing
# k( e+ {( S3 p, l AN Table 7* J% Z$ Z# I4 q, q1 A. i+ Y) F6 J% Q7 D
Electrical Nonmetallic Tubing3 F; I% n; u1 Z4 u
12-1516 Provision for Bonding Continuity
! c Q- j0 ]& u4 K' `N 12-1514
- v4 ^5 U2 ^5 S9 J! S7 {Surface Raceways/ O: D8 n/ A) x6 y$ Q
12-1602 Use of Surface Raceway (Appendix B)+ I1 i p7 Z( K$ Q1 Q1 ^
12-1604 Temperature Limitations
- A0 i; A5 o2 j, R5 z12-1606 Conductors in Surface Raceways (Appendix B)2 ?5 O7 ?9 f3 A5 I3 k
12-1608 Maximum Voltage7 q( M( Z$ l- n' u
12-1610 Joints and splices
: K1 _0 c9 v9 u" z: nUnderfloor Raceways' K0 ]5 A; v1 T* x( N0 T
12-1712 Discontinued Outlets in Underfloor Raceways/ p% I! ^: d& E5 v
Cellular Floors0 F3 {+ l$ d0 m( `! s5 D
12-1804 Maximum Conductor Size in Cellular Floor
1 z& ^( l' U. \, r3 ?9 Q12-1820 Cellular floor discontinued outlets
& u" Q: \& \0 G. V- S6 j- k4 Y+ ^Auxiliary Gutters
' s, `9 }# ?2 @% {% e! G12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces5 v6 \+ X, c6 R2 C) E. E! Y) ]
12-1902 Auxiliary Gutter Supports
5 Q4 ]# ?" I' g' s2 q9 R1 a! ?% `12-1904 Auxiliary Gutter Cross-Sectional Area& S0 S; Y' r# i3 z5 X9 y
Busways and Splitters0 I! ~* ^& C: y6 b- [+ d7 h7 E/ J
12-2004 AC Circuits in Busways and Splitters6 \7 b0 ~4 v, f! f" y1 ?! P: m
12-2006 Busway and Splitter Supports6 o& G% S% H+ a) {( v: Q
12-2008 Method of Installation of Busways/ Z" |+ b: y0 g( F$ T- G- n
12-2012 Reduction in Size of Busways- d( M- P) U( }/ J, Z4 ~+ O, Y4 G
12-2014 Length of Busways Used as Branch Circuits
, G; p- T% O' { x- J7 w5 ~) [ l12-2018 Taps in Splitters
6 T/ \: y9 [) Z, x0 fWireways& I1 D. j0 n3 Y8 {! C1 \3 A
12-2104 Conductors in Wireways
* U4 L) o4 m% ~5 @; l12-2106 Taps and Splices in Wireways! J4 ]4 v& U/ F7 c% y8 O
Cable Trays
6 |, _6 T# a" y12-2200 Method of Installation (Appendix B)6 D9 P/ I. t! {$ a
12-2204 Joints and Splices Within Cable Trays6 c: W7 K: b) Y1 e, q
12-2208 Provisions for Bonding
: P8 ]& W: {# A m12-2210 Ampacities of Conductors in Cable Trays
. K: w' U% f5 b2 ?+ G, l8 y: D; zInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
. M5 ~$ D. C. H5 f12-3000 Maximum Number of Outlets Per Circuit) @/ r/ P' |+ t! U: l$ T- q
N 8-304
9 j" K# U2 q( G j. U12-3002 Outlet Boxes (Appendix B)
. \% y1 F& E7 B, ?, M! zN 12-3000
5 T8 i! P% e( n# b12-3004 Outlet Box Covers
# E% m0 H4 L! G3 l, X6 GN 12-3002
' I# ^- N. R, l7 u8 R: `12-3010 Boxes in Concrete Construction+ K* S! P: N, W. q6 r
N 12-3008
" K& ~2 ^* E) Z8 N; `+ f12-3012 Outlet Box Supports$ y$ Q9 G5 |. ^' y- B4 Q
N 12-3010
) `7 A0 U& R* `5 |2 X) g7 `12-3016 Accessibility of Junction Boxes
) o! z6 e+ v; }+ N9 G! c2 j- q9 CN 12-3014
0 Z% w1 s' O( D6 |, Z$ B12-3018 Flush Boxes, cabinets, and Fittings" k9 S, J9 S8 Y5 V( ?8 J
N 12-3016; Q% S( r! e( y. w0 U9 \
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) " r8 i' [( G- s1 N. A9 u& m
N 12-3022
9 [& B- |8 S! [% l K12-3036 Maximum Number of conductors in a Box - Table 23
2 }* t; D' g: ~N 12-3034! Q3 H7 `0 b4 x! }5 C
12-3038 Pull Box or Junction box Sizes
$ _! H$ A6 _5 C' l0 l& ?N 12-3036- v3 o9 d# A# x0 s- y( [
. ~# C% z: q1 h% W: T( R
Section 14 Protection and Control3 u. M% r4 J% @5 X
General Requirement6 S- O( E, {5 a; [
14-010 Protective and Control Devices Required' Z. o' n) |+ I4 U
14-016 Connection of Devices# m* ~, ?3 e) b H" z+ N
Protective Devices – General, q& }5 H, Q$ O! M+ }+ l
14-100 Overcurrent Devices Required* T, L: O- w4 U
14-102 Ground Fault Protection (Appendix B)4 G, X" {) }7 D+ [% K1 ~
14-104 Rating of Overcurrent Devices (Appendix B) Table 13
! F |% G1 R! S; u' Y! q5 e6 K14-112 Overcurrent Devices in Parallel7 n" `. v% }8 K: D* N0 _/ L
Fuses
2 j! x1 O, ^3 `) W8 `- z6 n' v14-200 Time-Delay and Low-Melting Point Fuses! h% n0 `) p0 ~4 f
14-202 Use of Plug Fuses7 b; O$ U% A6 J$ h0 h+ Z. ]; A, N
14-208 Rating of Fuses
( d1 `$ M% A, o: \14-212 Use of Fuses (Appendix B)
! \# I4 y$ b* ]8 H& b& @- lCircuit Breakers
: H0 Z- j/ K+ n" X( O- F% R14-300 Circuit Breakers, General/ Y5 d2 B6 |. C5 o' B$ C
14-306 Tripping Elements for Circuit Breakers
' K6 w% w3 {; L$ A14-308 Battery Control Power for Circuit Breakers
5 |; U% P. l" rControl Devices - General
, N5 y( V3 ^" Q: i: Z14-402 Disconnecting Means Required for Fused Circuits
, O# O- J T, t2 A3 o* {7 h' f* ]Control Devices - Switches6 N) v- i% w7 x4 Z
14-502 Mounting of knife Switches* J# S+ m: M, L6 n+ m# ]) q. }
14-504 Maximum Rating of Switches' ? G$ b5 ^# }( N/ W1 ~6 H j
14-508 Rating of General-Use AC/DC Switches (Appendix B)
! j) y3 v% p5 |; v14-512 Manually Operated General-Use 347V AC Switches (Appendix B)6 C4 ~% G( ~' _* M. U
Solid State Devices$ { ~9 f" g% T9 m
14-700 Restriction of Use- C5 u2 Y8 Y9 C! \
14-702 Disconnecting Means Required
, i5 I3 o- p9 i8 u; s6 I
: Z6 a1 M% C$ k5 V/ o& vSection 16 Class 1 and Class 2 Circuits4 S3 i' _3 e. u9 L2 N9 [
General
$ Q# W- Q8 W! k D/ R( d! j3 _16-004 Class 1 Extra-Low-Voltage Power Circuits$ Z# w4 V( J: X, X' _
16-006 Class 2 Low-Energy Power Circuits
! A _6 N+ O2 r T6 g16-012 Circuits in Communication Cables
% p' f( a" i$ X$ i; S, aClass 1 Circuits+ @) N9 `$ }2 c8 W" b( p o+ P# B5 M0 Z
16-100 Limitation of Class 1 Circuits
9 z# I; E% g% ~4 s7 o16-104 Overcurrent Protection of Class 1 Circuits1 C8 Q- ~+ S5 [ |- l
16-106 Location of Overcurrent Devices in Class 1 Circuits
; I" @, D; K7 Q7 L* t9 U16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers: s& v7 U" S5 s
16-110 Conductor Material and Sizes
# S: f$ }- W: b# K+ M4 K3 @5 o16-112 Insulated Conductors for Class 1 Wiring* i" a+ L. M5 E: n% q; g5 H, x; f4 C
Class 2 Circuits
4 N3 `! a I" c$ Y16-200 Limitations of Class 2 Circuits (Appendix B)$ g+ \7 j& }6 m5 {0 f% v. c
16-204 Marking
9 O+ y/ L d' C. H' d- y3 E- D16-206 Overcurrent Protection for Class 2 Circuits! l3 {, J5 U/ I/ k' L
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
8 Z( i, M( v1 f6 D0 mELC: extra-low-voltage cable
# S" B( I; o3 {# Q16-212 Separation of Class 2 Circuit Conductors from Other Circuits
( t5 l- ^) r" v/ ~( l+ O
3 L c2 U5 [8 R2 y0 Q0 USection 18 Hazardous Locations7 {/ a/ R- b9 e$ u
Scope and Introduction! z# I/ u/ }, R, K: m
18-004 Classification$ t+ N! z, x& k
18-006 Division of Class I Locations (Appendices B and J)$ h% |# Y) c/ L
18-008 Division of Class II Locations (Appendix B)
7 G( S% Y# m$ B* q18-010 Division of Class III Locations (Appendix B)
1 E' j8 E; G" Z& O" VGeneral
1 I8 x1 p' a2 V18-062 Metal-Covered Cable (Appendix B)9 z a9 h. w3 @; ]' F
Installations in Class 1, Zone 1 Location8 b, O' t) i2 |% ~" O6 j
18-108 Sealing, Class I, Zone I (Appendix B)3 D% Z3 g8 n8 G5 d
4 _% [& C7 t; {) ~0 d+ C& R$ e& u% u lSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
$ ?! o& \' j. @Gasoline Dispensing and Service Stations
* T, L. \7 j$ m0 a20-002 General
5 V) n A- c) H) h- b, R20-004 Hazardous Area (Appendix B)
9 h+ x# f4 |: [ n* F$ HPropane Dispensing, Container Filling, and Storage
4 { y8 @6 B; t: g' N5 M20-034 Hazardous Areas - Table 63- N; C" C! X. y
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
1 p7 Z1 c# _$ ?4 D5 j20-062 Hazardous Areas5 o2 t( N: y# `: t# ?9 C7 T2 p
Commercial Garages – Repairs and Storage. [+ Z. C. {0 P6 Z- B1 E
20-100 Scope# z% a H9 X0 m( ~3 H( r' |; k6 ?
20-102 Hazardous Areas (1)
9 ~% ^+ w, e9 O8 |2 X2 t$ A- h: D! Y( Q$ K: ` P0 s$ s- ?) |, Y; e3 T
Section 24 Patient Care Areas0 u9 h. Q- R5 u9 G n
24-000 Scope (Appendix B); [- R/ d* _1 g: n6 R! x
24-002 Special Terminology (Appendix B)
. a; P5 e9 V" g$ U* i% { Patient care area
: }$ q% A1 S- _9 dPatient Care Areas
* g- u% y7 x8 f! Z5 f24-106 Receptacles in Basic Care Areas (Appendix B)
* y2 a' J3 S, \7 F) K0 K- ?" A& TIsolated Systems
6 J# ^: S4 F- R9 ]# t: B9 k24-204 Single-Phase Isolated Circuits (Appendix B)% [3 [7 }7 a( g! u, G, k( f
24-206
. {+ W7 s( I6 g& P8 s+ G( Q! P. C; W% d' A5 ^1 C6 J
Section 26 Installation of Electrical Equipment4 h# C+ P8 a# _( u
General; c8 _# L, i: O
26-004 Equipment Over Combustible Surfaces (Appendix B)
' w% { q. o4 \% W2 ]1 R, [26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
5 t, s6 m: p( B' e) x Isolating Switches" K% y% e7 x8 y# K: h8 g
26-100 Location of Isolating Switches
9 X2 i7 i% r# S/ ^+ ICapacitors
5 B' S/ `9 D8 x' e. H26-204 Guarding of Capacitors
% z7 q# L5 _9 Y* j$ M8 ?+ [. j26-206 Grounding of Capacitors J1 } ]1 D3 v# o* M: f! p
26-208 Conductor Size for Capacitors" x2 j$ j, w0 l& t7 Y( G0 m8 _ `+ Q8 T
26-210 Overcurrent Protection (Appendix B)" E: }# q9 c3 K/ n
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
8 q! U: s; S& E3 R2 k( R p26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
+ A( k+ {- Y+ c% a9 ?( X26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits' {" M, ~1 P/ u- S1 O$ y# Q( I# O( L
26-218 Special Provisions for Motor Circuit Capacitors" z8 ~) v) d& ^; {( e' J
26-222 Drainage of Stored Charge of Capacitors
/ y- B7 S9 T5 Y$ Z! w; k: nTransformers" O) |8 O0 v$ A: e
26-240 Transformers, General4 e5 q4 O; R( s) @
26-242 Outdoor Transformer Installations
9 u. O2 f6 A+ {1 z" z7 H8 w. }26-244 Transformers, Mounted on Roofs (Appendix B)7 x( N; M/ a) A8 w3 s a
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B); k* M0 F7 S6 a+ L. @* f. J" l0 Y- ^
26-248 Dry-Core, Open-Ventilated Type Transformers4 ]# V/ c& }$ Y& k
26-250 Disconnecting Means for Transformers
5 x! B4 z9 r- M8 P- Y26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
$ m0 U: b: A5 G6 t26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
# X0 R. [1 N$ w! \. O26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)' }7 g3 G5 O/ h: a& y& {
26-258 Conductor Size for Transformers+ O3 |1 ^$ F( |5 l8 O
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
7 k3 j' K0 G& G9 V- \8 T# o, K3 u& r26-262 Marking of Transformers n' d2 F1 ? R( v/ _/ h" T; |2 u1 x
26-264 Auto-Transformers
4 n1 ~% C* ]& }Fences9 D6 t P: `- X% H! z8 v' M# X8 h
26-302 Clearance of Equipment - Table 330 Y3 f* `+ o$ l: j4 U7 p: x% O
Panelboards; z0 ?& T! L( V, _+ }: r+ n, B+ e
26-400 Panelboards in Dwelling Units (Appendix B)( O1 P. D) ^% E
26-402 Location of Panelboards (Appendix G)
% X- H- Y+ x* R$ y7 j( N+ L4 a; rLightning Arresters( q) {9 d4 Y3 G. t; R
26-508 Connection of Lightning Arresters9 ?& M. b; X( d" U7 U
Storage Batteries$ B2 w! n8 j9 ^% k% E4 K$ Z
26-542 Special Terminology$ y% p. C' m7 e
26-550 Battery Installation
3 H5 I# K* ^( u+ u; M) [26-552 Wiring to Batteries9 B! q4 p6 m9 I' z" f, r
Arc Lamps+ X8 B9 T( l" c3 D2 r {3 {& w
26-600 Location of Arc Lamps
; U2 ? f, w! R! k7 @26-602 Conductors to Arc Lamps3 d4 H; \9 T- y/ x1 m4 ^
26-608 Globes and Spark Arresters: E1 y/ ^0 b, `: y" I6 j/ j6 W( s; R
Receptacles
0 g3 F E/ f' W; ?' q4 L4 ?. g26-700 General (Appendix B)
2 C: g W5 W0 q; k, t, f2 D- g) `" u26-702 Receptacles Exposed to the Weather* d" N. q" i4 }2 j3 r6 u
Receptacles in Residential Occupancies
# k: }4 C/ Q2 }$ J Z26-710 General (Appendices B and G)4 s: Z2 [, a+ \9 y& |# @; _/ n6 A2 W
26-712 Receptacles in Dwelling Units (Appendices B and G)
4 V9 |% @+ `$ T" h7 D! N( z9 F26-714 Receptacles in Single Dwellings (Appendices B and G)
: T; g }; P# l+ mBranch Circuits in Residential Occupancies+ t4 f3 e3 f1 N% X0 B8 v1 r
26-720 General
" G+ \8 p5 ], w% L5 \! C& P3 T26-722 Branch Circuits in Dwelling Units9 A4 l/ g' P, l% I' b6 U! d
26-724 Branch Circuits in Single Dwellings
* e+ L# V" R0 J/ U$ M* F26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
; p: a( @" }3 O D4 X) BN 26-720 (F)
- {/ {6 r) N( q; @Electric Heating and Cooking Appliances
- g2 r4 D! ?1 K( Q0 C26-744 Supply connections for Appliances
: ?* y% ^9 z" o h) G j) Y26-750 Installation of Storage-Tank Water Heaters
* c' |) V* l0 }3 f; p4 Y26-752 Infrared Drying Lamps. [* m# b, U/ O: w" C# _8 f7 y
% q; F* }! S2 B( ]- d2 T6 ], }% lSection 28 Motors and Generators7 b* `8 j" t) J4 N
General& R( |3 H9 Q+ W" |9 g% n3 M+ J& ^; T
28-010 Special Terminology0 f, H' l) d" m9 I3 l% a: S5 m
Hermetic refrigerant motor compressor
/ Y4 L5 ]0 R" t* e; M# Z3 \. mLocked rotor current rating, |! w4 y7 c R0 L. i
Service Factor! i# E1 {# _8 W: _6 I8 r
Table 44; Table 45; Table-D2( K5 q% x+ K- {$ l K
Wiring Methods and Conductors
; m8 g: j" E( E+ P. g. @2 x28-102 Portable Motors8 @4 r. M# l, y( h
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity* [# V: H4 o3 N5 i7 c' e( X4 |
28-106 Conductors, Individual Motors" o' |& C) v L/ r
28-108 Conductors, Two or More Motors
. D j4 f( R1 p' I28-110 Feeder Conductors
4 w" z: U2 s/ [+ {& g. S28-112 Secondary Conductors p7 p6 \- w; i9 ? {1 R
Overcurrent Protection/ J& f2 Q, z$ b2 j
28-200 Branch Circuit Overcurrent Protection6 @0 b r- a1 b4 W
28-204 Feeder Overcurrent Protection
' M+ a' \( f0 ?+ E. h+ R9 V28-206 Grouping of Motors on a Single Branch Circuit8 U" u# ?: z; {6 B
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
3 Y1 Q+ H: T2 H `) uOverload and Overheating Protection0 }, v$ L2 Y) n2 B8 C( J
28-302 Types of Overload Protection4 ^. x- h7 t0 G: v* g
28-304 Number and Location of Overload Devices (Appendix B) Table 25! K! l1 T% V0 r# Z8 ^7 e1 L5 _
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
4 E# T& t; {+ ]28-308 Overload Protection Not Required! b) b% F. A0 h# m% F+ m: |
Undervoltage Protection ' N- v& Y- d/ U9 r- P/ o
28-400 Undervoltage Protection Required for Motors (Appendix B)
8 C$ W1 d$ u/ `3 _' `) }Control2 v9 r1 Q" R4 s* z9 ?
28-500 Control Required4 K8 [8 h1 b# |9 S) u
28-502 Control Location
8 p7 }3 V ~5 v& N! u d28-504 Starters Having Different Starting and Running Position. }+ O; P( p) L
28-506 Grounded Control Circuit# O8 ^& e0 h% ^
Disconnecting Means
' p+ |/ T- f( q0 a28-600 Disconnecting Means Required
! q5 v2 M/ R$ b* |5 d9 y28-602 Types and Ratings of disconnecting Means (Appendix B)
2 v$ J; {* j) }28-604 Location of Disconnecting Means3 x, c$ L$ B' o5 Y! K) B: `; u, @6 [
Hermetic Refrigerant Motor-Compressors
; O% d) K5 _5 |* s# j28-706 Conductor Ampacity0 w) Z1 x1 h6 x; l$ R" ~4 I3 S
28-708 Overcurrent Protection
5 G; h( E3 s0 [+ V( m7 P28-714 Disconnecting Means8 a5 P- X, z% W& R0 O
Protection and Control of Generators
1 h9 e1 D, ]; [4 d, p28-900 Disconnecting Means Required for Generators) g, K: }, E' c3 `7 Y- |0 k
28-902 Protection of Constant-Voltage Generators" O8 A& M& ^% c$ d# P& x# N
28-904 Generator Not Driven by Electricity
# S0 N: Z: B* g28-906 Balancer sets
) }5 y2 n+ w( u4 ~0 ?28-908 Three-Wire Direct-Current Generators
+ g2 b1 c1 y: Y7 W- _3 z3 H! w: y' F+ z# A
Section 30 Installation of Lighting Equipment
$ V* g+ G( ^; a: s8 P30-002 Special Terminology (Appendix B)
& q' W: p0 T% q' c5 L4 OGeneral
% E6 @+ V# ]: y/ ^& I) i30-102 Voltage
2 S# {: g2 G7 O$ {' b- s+ K3 O30-104 Protection (Appendix B)
* n, I1 }1 y P4 z/ f- w2 s30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment6 q( V% d- f2 u! a; e8 l
30-108 Polarization of Luminaires$ Z+ ?) u# w# A" x9 {# D
30-110 Bonding of Lighting Equipment% V: f( L3 J. @6 \2 H
Location of Lighting Equipment
" ~' @1 s6 A7 N5 S$ ^6 g9 O2 H30-200 Near or Over Combustible Material# J) f; Q+ j. p5 j$ a: {. K
30-202 In Show Windows3 s8 ~+ S H/ H |
30-204 In Clothes Closets" W3 o! v( u) G8 ?
Installation of Lighting Equipment
6 y+ ` y7 u$ h+ b30-302 Support
, i1 Q) U4 p3 J6 L* ~. B; m: {4 E( @30-304 Outlet Boxes to be Covered' L2 k& x# d, Q# {. ]4 H
30-308 Circuit Connections+ n& r U& l% [- r6 h7 a
30-310 Luminaire as a Raceway
1 A4 s) k+ }$ N1 I5 C30-314 Minimum Height of Low Luminaires( S+ a2 k. J% b" @! n8 _% C
30-316 Luminaires Exposed to Flying Objects8 E5 u/ U: Z; L% \5 ]6 ~1 J
30-320 Luminaires in Damp or Wet Locations
3 K2 M% J& L5 Y" @. Y8 XN 30-318
4 ^3 f' h1 z, i L2 [% b( |, G0 XWiring of Lighting Equipment" Q" R, L3 O7 g- V4 d' o* D7 @
30-400 Wiring of Luminaires
9 p- ~8 y" N5 {7 f T0 U1 h9 V% X30-402 Colour Coding
) v% r, {- a4 C: z+ j6 V- @30-404 Conductor Insulation5 [0 F! G4 [, N0 c' I5 G6 ]
30-406 Conductors on Movable Parts- k* F' i( R* P0 c3 u5 _2 s
30-408 Wiring of Ceiling Outlet Boxes
& @6 F% X& Q/ l" y+ v# _0 J# e30-410 Wiring of Show Window Luminaires
6 ?6 q6 X" [! _( |! |30-412 Tap Connection Conductors& }+ [9 w" t( h$ K& J( b
Luminaires in buildings of Residential Occupancy1 s; M, ^, f) O, S1 |1 }
30-500 Lighting Equipment at Entrances (Appendix G)
* K( S4 v5 \8 u0 D+ B. m C30-502 Luminaires in Dwelling Units (Appendix G)
- \* `! G) K2 r30-504 Stairways (Appendix G)
( \# Y9 T) U1 e$ e5 [2 ^) v/ {30-506 Basements (Appendix G)
, J/ o3 ?9 v9 s: v* q30-508 Storage Rooms (Appendix G)
: t! i- I0 k0 W1 j# }* K. b: G4 o* s30-510 Garages and Carports (Appendix G)
% I; G% H: s4 a0 M& ALampholders
0 c- p4 V E( e/ G+ Q ?1 t30-600 Lampholder rating with Incandescent Lamps
% |* I0 ^( x4 n. J! b! i0 @N CANCEL
$ A/ w: D; r; \30-602 Connections to Lampholders) L8 P1 u( l5 l) e" b- q
N 30-600( I& N0 z) o2 }
30-604 Switched Lampholders Used on Unidentified Circuits
2 k3 g8 b* H$ x/ O% s; m1 {8 DN 30-602
* J# @+ y$ E: w% c30-606 Switched Lampholders with Pull-Type Mechanisms
\& R; Y( ] H$ vN 30-6049 d$ r/ i0 E- Y) Y
30-610 Pendant Lampholders2 Q2 a/ S# S$ b
N 30-6080 A `, ]5 [, ^: M
Electric-Discharge Lighting Systems Operating at 1000V or Less
" n- h8 F: P; y; W. W$ U# D* O' v7 l30-710 Control (Appendix B)
7 d1 t( w5 z5 J: P U* z30-712 Branch Circuit Capacity
, Y3 N) E& j4 `( y& j0 CElectric-Discharge Lighting Systems Operating at More Than 1000V
; u- k6 g5 H5 l9 F30-802 Voltages, Dwelling Units7 X! l& E" J7 ~3 C6 O
30-804 control (Appendix B)
5 }# i/ L/ @1 }' ORecessed Luminaires (Appendix G)
3 L$ T* G; U" _+ S- x6 k! m30-902 Spacings for Non-IC Type Luminaires, D! P# ^: [0 j3 _- \" i
30-910 Wiring of Recessed Luminaires (Appendix B)4 v) u" h( Y& o- b4 f! l
Exposed Wiring for Permanent Outdoor Lighting
7 K! P: {$ F' x1 g7 o% Y5 y4 d0 p9 B30-1120 Branch Circuit Loading and Protection
; l% Y% r' Q+ ~Extra-Low-Voltage Lighting Systems4 |1 q/ p) m2 C' M0 W
30-1202 Sources of Supply5 m& G$ G) u* g$ _
2 @, S# y% Z0 @6 {$ K- m
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)7 x# X* z" T( D
Fire Alarm Systems
, z* o j) q/ S7 _$ [32-100 Conductors
9 x5 n' I$ M0 t( b& Q1 ~) {32-102 Wiring Method
( w# |* W$ J/ |3 z& o3 V5 b32-104 Equipment Bonding5 i- l: v7 P0 g# O. M- K
32-106 Electrical Supervision3 D! G' T' ]0 h; o6 p9 g6 I
32-108 Current Supply
- p% i) @, B6 z2 d3 z32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)8 z" ~; q5 E9 A2 z& R( J" a
Fire Pumps
" P3 t7 s4 h5 H9 n5 a32-208 Overcurrent Protection (Appendix B)& |6 L% ?0 _& |- C" k4 _* w
N 32-206
& W9 F; F! E8 H32-210 Overload and Overheating Protection (Appendix B)3 a7 G# k6 ~/ u
32-212 Ground Fault Circuit Interrupter (Appendix B)
5 m% u4 N( t. j9 ^
- x) Z7 t j1 d. |Section 36 High-Voltage Installations F$ o" C" a8 b+ j$ Z
General
7 m- u9 T2 k& P6 J36-000 Scope (Appendix B)8 e" e% @4 F! U m
36-006 Warning Notices
5 [+ n, o4 U3 a+ uWiring Methods Y3 Q" o" V# ^& ~ p
36-102 Radii of Bends
% H2 B& ]! j6 Z' m5 \* z5 O' M/ @36-104 Shielding of thermoset insulated conductors
! o2 v$ R" W& _$ D M7 |! r. ~36-108 Spacing of Exposed Conductors (1) table 30, table 312 J7 N2 ^" W9 ~: |
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
) k& a2 A& r ]) T; q& G& SControl and Protective Equipment0 w& S0 S+ T9 @" }( }$ Q
36-214 Disconnecting Means
! {: B' y3 C- C1 v2 { x$ z Grounding and Bonding5 a/ d3 q/ a" D6 l
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
6 q! Y2 ]0 ~3 K4 Q7 b36-302 Station Ground Electrode (Appendix B)
. W$ N" G2 g7 l$ W4 K% {: i36-304 Station Ground Resistance (Appendix B)
) ~0 A' r- t1 r# V( Y36-308 Connections to the Station Ground Electrode (Appendix B)
. D, o4 f' P8 V( I, D0 B$ e36-310 Gang-Operated Switch Handle Grounds
% S+ U& F8 ?/ ^" E: Q2 o$ H7 E: y* w36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations1 o# a# F, N0 d
3 R8 G' y0 Q8 T1 `( }: N7 x9 J0 C
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
6 B* A4 h" ?9 @( z1 I, h% x38-002 Special Terminology (Appendix B)
3 s" h! `9 A5 F* S8 `$ F$ s" J5 X38-003 Voltage Limitations (Appendix B)) z: T2 o! E1 y( X8 i/ S/ N
38-004 Live Parts Enclosed
! C; z9 L0 c$ f1 L9 ]38-005 Working Clearances0 o9 ~. B# B! k+ U
38-011 Insulation and Types of Conductors, M5 x; e# w2 @- _6 Z
38-012 Minimum Size of Conductors( F8 k" f4 y( K. |8 m
! G1 T% x* ~" x; y/ g0 R ?
Section 40 Electric Cranes and Hoists
7 ?( m9 d& X, \' w; f40-008 Disconnecting Means
; o! j8 E4 ]. G1 o40-010 Main Contact Conductors+ _0 y l- x( x
1 u8 s5 s+ a+ [* L: H% H; w1 @% x0 N* S
Section 42 Electric Welders$ g, P! b+ N% F
Transformer Arc Welders5 v' s* F* k# i+ H- i
42-006 Supply Conductors( q3 S0 o( {2 F0 n% k! L
' \; x% R2 ~7 Z/ c4 VSection 44: Theatre Installations
( m( L- x; ^; m# y% k1 C9 \General
. R# p; _* t. a0 W& ~( A. |44-104 Number of Conductors in Raceways
9 Q. z9 K- }! z) z8 U# o$ c44-106 Aisle Lights in Moving Picture Theatres9 b& b$ K: V C
Fixed Stage Switchboards
3 R" t) e2 ?, g9 _+ M5 e, I44-210 Overcurrent Protection9 f3 N3 x$ }1 h/ y( j/ t6 V
Fixed Stage Equipment; O* `2 H) o; w" q* x
44-324 Receptacles in Gallery Pockets
6 q# l) [6 v# q0 f# q! F44-326 Receptacles and Plugs, u* t7 Q$ X" z( E
2 f. f$ J* H- g8 W) MSection 46 Emergency Systems, Unit Equipment, and Exit Signs/ L7 B, o5 k) I8 ~2 y
General
/ C6 |; _* z/ |46-102 Instructions
) H6 u N8 p2 ?% p46-108 Method of Wiring (Appendices B and G)
0 B2 l8 q, V' B/ g- }1 W! P1 q9 _Emergency Systems
* ]8 N; ~* r; M9 H/ }2 M" ?& u46-202 Supply (Appendix G)
$ Z) F0 i2 g* Q% x/ N# e46-204 Control O. B% O. R; @. t; O1 c% [
46-206 Overcurrent Protection
+ v0 V% I; l e9 S2 h8 O46-210 Remote Lamps
1 P0 {" D7 J6 M- b* W9 HUnit Equipment
! K3 V W6 v5 w( S" K+ _46-304 Supply Connections: d5 |7 k9 I: v l: H* R$ s
46-306 Remote Lamps (Appendix B)1 b" @; D( q$ x" Q9 R5 p# O
Exit Signs
) h6 s+ z( v9 L+ b4 [46-400 Exit Signs (Appendix B and G)
1 b1 m G/ D2 D- x+ k1 u* y2 E& z9 f8 H. c' x9 H7 n2 L/ N
Section 54 Community Antenna Distribution and Radio and Television Installations
9 j" `3 F. K" p- h7 O1 z+ j' U- F5 L54-000 Scope" Z( @/ b" k% P2 u/ K9 c1 g
54-004 Community Antenna Distribution (Appendix B)
+ Q* q+ F$ b6 |5 |3 g- ZCommunity Antenna distribution
* d9 [1 J+ L5 f( |- [, X54-100 Conductors
* Z8 Y; H9 @' q54-102 Voltage and Current Limitations (Appendix B)
$ I4 s5 M) N" r7 {' x: U4 mProtection
/ T* n0 U/ X9 A2 R4 Y5 B6 B54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)+ P2 z# i2 e* e+ r: G! \
Grounding7 s8 g3 }3 R& ?/ ?% d- f
54-300 Grounding Conductor
. ^- P0 j! |9 A2 O! i% o1 }( f" OConductors Within Buildings
1 }+ x( x1 R6 o: Y54-400 Separation from Other Conductors
! i( H% J% a+ k G9 gEquipment
; B) c) n9 k* r3 L- ?54-500 Community Antenna Distribution Amplifiers and Other Power Sources& ^% y9 h' ^8 p, C0 ^& ? e5 d
54-502 Exposed Equipment and Terminations
3 {( D& Q$ F0 w* P( p/ z4 ^/ b: a5 A
Section 56 Optical Fiber Cables# |* i& o& ^" p# L
General4 x2 q+ f) ~# W1 l5 W1 W/ s
56-100 Special Terminology
! Z7 m/ g" e' @# M" s \56-102 Types" P2 D. x O2 V# Q9 q6 N1 o) r
Installation Methods6 i% W) a7 w9 c' n/ u3 x7 P
56-200 Nonconductive Optical Fiber Cables (Appendix B)8 b! Y" I1 k" m, K- a
56-202 Conductive Optical Fiber Cables (Appendix B)
+ {; E& ~* t, |3 I0 I% V# Y56-204 Hybrid Cables/ y( z# Q$ o2 w
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)" t- ^5 G/ e( z8 N8 T7 U/ s5 ?' K
+ ^7 J9 Y8 b2 f' N, ]9 N
Section 60 Electrical Communication Systems+ L- T5 ?- z8 R" I# x6 ~& @5 ]( _: `2 \
General1 h9 j/ ^$ G9 ], R2 v6 N% J
60-100 Special Terminology
5 h& S3 d+ p5 o) R/ B/ Q3 FProtection! x) H5 W8 b# ^8 l/ V
60-202 Primary Protector Requirements
% i4 r, r+ v' b3 n% Q# S- zInside Conductors
! G$ E- p4 ]7 ~$ k* m60-308 Separation from Other Conductors( _: k+ k9 z) o" Z/ j2 T7 |2 S4 c
Equipment
4 L1 _" j/ o4 W# b; a& f5 x60-404 Exposed Equipment and Terminations+ i# x7 J$ i5 j% ~0 k, G
Underground Circuits6 D- V/ c. [2 m3 }
60-600 Direct Buried Systems
: H8 O c. E, M3 b( z( @# Z& @( o$ [" |7 S9 |" A
Section 62 Fixed Electric Space and Surface Heating Systems
2 ^* U, u, i8 h7 O$ nGeneral. W Y" S. P2 N& B% J$ ~" [( O
62-102 Special Terminology% T9 Q, Q8 h `& B
62-108 Branch Circuits4 n+ A1 ^) B% n8 D3 Z C1 w* k, ~
62-110 Installation of Fixtures4 P8 O/ y; i( E5 N- n% \# j
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
- f3 x0 d2 i* g; U+ d62-116 Demand Factors for Service Conductors and Feeders (2)
/ w8 D: c. ^% ?$ w& v6 \: J+ F, h3 q62-118 Temperature Control Devices5 ~% B& ?2 Z& ~( z& V$ B
62-122 Installation of Series Heating Cable Sets (4)(7)
7 ^8 d6 I7 J. |# pElectric Space Heating Systems
9 ?$ z- C& j0 H62-202 Temperature Control1 R1 q+ \& {7 ~- \0 T
62-206 Proximity of Other Wiring (Appendix B)# c* s5 n( u; T& {( S1 g9 j' h
62-214 Installation of Heating Panels and Heating Panel Sets6 m7 }) m5 D$ V7 Y7 u
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
" i9 l7 C1 `: |( i4 y# \62-226 Installation of Under-Floor Covering Heating Panel Sets
, R" X$ |' o; P( T! h( Q. ^$ v( yElectric Surface Heating Systems
" I6 B- o' j8 I3 E6 u8 V62-306 Heating Cables and Heating Panels Installed Below the Heated Surface" g. J1 q( A$ M2 u4 e% z/ }
) `1 u% h* U, }) v2 ?3 o% p
Section 68 Pools, Tubs, and Spas
5 ?- Q9 t; f( u# a' H0 [General" W& ~8 K7 _) ~4 g5 c" `: @
68-050 Special Terminology
' z" d i, b: d ^" c68-056 Underground Wiring - Table 61
; i0 C1 D& L( o* A* r68-058 Bonding to Ground (Appendix B)
$ T6 W+ V/ l, }. t, i ?2 |68-060 Junction and Deck Boxes (Appendix B)3 Y4 C% f3 R9 G
68-064 Receptacles8 \) n6 ~( i/ X- U7 k% r
68-066 Luminaires and Lighting Equipment
5 T5 d( N/ c4 c8 s% |68-068 Ground Fault Circuit Interrupters (Appendix B)
2 ]* _! Z4 ?2 J: G
8 L1 D% G6 R- K* X2 |$ \7 gSection 70 — Electrical requirements for factory-built relocatable structures and
0 f- l: h" V5 d- I0 r/ T2 [non-relocatable structures, Y0 M' A8 g) a- _
70-130 Tests (see Appendix B)
4 n9 Z; I% b7 |# Z' `9 c
7 ~, X, R2 ^" C ^7 WSection 76 Temporary Wiring (Appendix G)1 h7 F' u0 M5 _4 A) {1 p7 ?
76-004 Grounding
% P. e1 W E1 Z/ Z76-008 Service Entrance Equipment. `1 C+ c+ P: t' S- d
N 76-0063 e/ a: ~5 b j/ u+ ?5 `# X& R
76-014 Branch Circuits7 o/ }* r' y; G/ A- @& f% }& U n
N 76-012
7 |/ X: _4 l2 N- Q1 C$ c$ U% U# W
& Q1 v3 E: z1 D8 L" wSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
6 U! P- S% d; V0 Q: C; e* yMarinas and Yacht Clubs
@5 }8 X. q& L" h78-052 Receptacles
" U& F8 s' e/ x78-056 Feeders and Services1 f- ?! o. Z5 K. d4 H3 N6 A% r
Marine Wharves, Structures, and Fishing Harbours2 V( Y8 {, R' F5 E
78-106 Grounding and Bonding2 c& y1 ], ?5 G' ]) ]2 a
Tables1 {0 [& w6 g$ \6 `$ N3 ]2 Q& U. z+ l: B
1,2,3,4,5A,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
1 c7 [7 i! K: w0 R9 p5 C3 d. x! v, O7 a- u. W2 D5 D5 A3 a5 `
Diagrams: 1, 2, 7
$ ~$ m& Y2 g0 G4 V
( Z' q" a$ K8 e- o! |" F9 zAppendix B
: p2 b4 G! f7 C5 j0 t8 aP352: Ground fault circuit interrupter- 6mA
% t% d- G& F/ b8 J7 q9 dP354: 2-126 FT1, FT4
+ J1 |6 a9 ]. T9 gP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
+ }1 V' s. \, C* `) A, h; W" A, zP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
. K* N% h: W. S& _, u: XP370: 12-1012, 1118, 1214 Example:
# P* d5 S- D. t% PP371: 12-1108
8 r! H: m$ ^! kP381: 18-108(1)(b), 18-158(1)(b)8 z+ p6 y2 c6 J$ ]/ P% t3 ]( b
P386: 24-206
4 D/ ~$ ^. C' C% KP389: 26-256/ H# E/ @5 s9 H
P391-P393: Section 28, Example to determine Motor Conductors and Protection# p8 f! |- Y: C. J8 X
, ^: N: W4 T! {2 x) kAppendix D" Q8 [. ~( q0 \0 F! S
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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