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Canadian Electrical Code Review Guide/ }( d |& B6 H; o
For the Exam of Electrician For Red Seal License
: E+ f- Z" G9 f' n+ G
7 _. X6 N6 R, n7 m! J% C, c1 eLesson One: K2 q6 x7 x5 B9 z0 G7 f
Section 0 DEFINITIONS
' r# I Q6 k) vThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:3 H6 l( |; K: x" [- i
Accessible as applied to wiring methods
/ t% J7 M5 ` `0 cAlive or live4 y0 [7 I# n" {
Aluminum-sheathed cable
# U) O% k! s3 f! G: b: H) yAmpacity
: ^" [+ k7 t) L" B# |% V3 ?2 J5 RAuthorized person1 v7 }6 U4 C& P! V& M1 T2 d
Auxiliary gutter
- W0 B4 R- A( M+ kAWG
4 P1 F) {0 ^/ B) F" sBonding
+ z0 u1 ` r0 x- r1 e) G: DCable tray
$ B* P, M0 Y0 Z5 ^- U& qCellular floor
$ D8 D+ b r/ t6 \3 _Branch circuit" ^; D) z( L- R+ v$ _8 ?" w
Bus
/ k: `7 L1 k7 W& j+ @Busway
0 j. [) n% \& c! U& C. x& ]Communication circuit
5 x% Q) E! |4 q, UExtra-low-voltage power circuit
9 u E+ g, i( M+ m/ z* CLow-energy power circuit0 J/ d8 ?& s6 `, B9 ]$ Z
Multi-wire branch circuit
! |% {: a' a( g" A8 S3 k( eRemote control circuit
4 z+ h- F" Y0 YSignal circuit3 {" e# y7 O3 A0 a, H6 {/ X' U. q
Circuit breaker
! x5 U/ h& Q. E5 EInstantaneous-trip circuit breaker
5 d6 j8 `7 t# e e2 V1 T* |Conductor
3 z& V* Q! O$ f# FConduit, {) c0 q- L3 q) _! T+ Q* Q' M- Q
Flexible metal conduit
" b5 L P8 A) j/ W0 O2 T0 o/ K a, w8 u Liquid-tight flexible conduit1 Z) m+ N5 p X C
Rigid conduit
% |. `* h7 r4 A Rigid metal conduit% G. H' u& r" R: `# a. R( B
Rigid nonmetallic conduit
2 Y2 ?. a& Q' U" T5 C Rigid PVC conduit
g6 B+ _5 j6 IConnector, g* o8 G7 C. D) N- _5 ?
Box connector7 v' }4 U# T8 p# `/ f* |- o
Wire connector; |3 F3 E( T8 T" v3 ~
Controller4 x; G- Z0 F! q
Disconnecting means$ T# j- [3 Y# \
Dust-tight- Y0 E) C1 |- }- ?* [' {0 p
Dwelling unit
( @+ P8 [/ ~: N8 T8 ?, BElectrical contractor
$ ] l; p9 ^( n3 dElectrical metallic tubing% x5 @3 |+ u: C: Q
Electrical nonmetallic tubing
1 A( @; X+ s) |4 o1 H& w: zEmergency lighting( T( t! {* B/ [2 D( x+ z7 [ h$ C b
Explosion-proof: E* Y/ a; j9 V; f+ H) `
Extra-low-voltage power circuit" d+ n2 J/ `, k5 U# O% V1 W
Feeder
4 i' i! F, J g# k0 t' d/ X( @Flexible metal conduit
, X3 B& d! H8 j, R4 p, O2 zGround4 }9 Y J* F& I
Ground fault circuit interrupter
b8 y. z- i- F# y- ZGrounded" g7 M V5 {: e& i# `7 k
Grounding
, ?' n) C$ M5 M* Y; E1 }Grounding conductor
6 ~% U' i) M% F. g3 v2 rGrounding electrode# ^$ f0 ^0 V3 U# o. O# k* L
Guarded
9 W% L, R% X1 a1 r" IHoistway
; N& o4 R* b2 m3 n& o' I+ w1 T3 ^Identified
& e. U% S* m6 eLampholder
! T# E: J6 R% v; CLow-voltage protection
* Q p6 G$ |9 Z6 FLow-voltage release! t! H, n( _# c7 V- @" d0 g
Neutral
( K( m: A9 G5 z8 N$ _! l# @# RNoncombustible construction
$ o" c w/ M1 U! r$ H" yOutlet; s0 o0 Q. ]& J
Outline lighting& |+ b( ], c; K) n2 v7 p
Over current device7 r: q' j- ^# W) P% t
Overload device4 R0 g5 [ e0 c8 K) }
Panel board" g) N. M8 [! o
Panelboard, enclosed. j& _6 Z- U! J' e) `2 n7 P2 U
Permanently connected equipment
4 }3 e# a$ H0 A& \" gPermit
s- z& _, U& O# N( ^& BPlenum2 @% ~, w: q+ N8 Z! }7 G
Portable as applied to electrical equipment
: w0 E' F$ e! i' s+ n' H; CPortable ground fault circuit interrupter
3 C2 o/ q& x1 A$ o, W; x) sPower supply cord
3 @* ^" w. V* s: K9 ?# w+ d# PRaceway5 U4 k+ ?0 [. L/ x( M
Receptacle6 o* k( U$ T9 Q/ l6 s( P
Duplex receptacle
1 O1 }# F1 L1 w) N5 a; k Single receptacle8 \( r c9 X& w' U( U
Split receptacle
, l- f8 a7 _" @1 X$ G2 Y7 l8 gService, consumer‘s+ s! P% g& G( a2 f
Service, supply7 s+ p1 D9 I8 O1 T
Service box3 u! y& |( s) W7 t
Service room) I0 v. R: i6 U
Single-dwelling
, x5 f6 U& [1 m; F* HSlow-burning as applied to conductor insulation
3 j" v! S! q/ g0 f1 \Splitter/ M+ V& e% ]' _* T+ f' g) W
Starter" L' S( C# ]. |& f" p8 i
Switch" {2 j7 W9 J# Z% P* \
General-use switch
! k @4 J+ a" ~! G Indicating switch
; ?, F1 F1 s3 R { x/ }4 X Isolating switch5 q/ {- x, q& Y9 Y
Motor-circuit switch
) V8 _, j% O; {; U7 W" ^System. ~, g. v _7 C9 @
Communication system
6 P, v: B9 l: ]6 U9 B- F8 C8 x5 Y. { Community antenna distribution system(CATV) ], J& q5 x7 I+ R% D+ F3 w
Grounding system" W+ E8 @4 g$ A6 M" N8 e" {' D
Underfloor raceway; D* H* B; L1 D' m5 p
Voltage:
. K# J% e# i7 W" i Extra-low voltage' H6 y+ [' P% }7 |$ b; ]+ C
High voltage
, L/ y1 p9 G. Q4 E* t; {, [ Low voltage) t3 z1 O! t4 B4 {1 ~4 I% V
Voltage of a circuit: q7 f# t W. \
Voltage-to-ground" p: T, o& R: R* q9 ?$ @5 O
Wireway
9 `, {$ V$ T/ k6 y, _3 [7 k0 l, L( u0 v8 g9 t! g
Section 2 GENERAL RULES/ {8 z; h9 Z: H3 L E
Administrative1 v1 M/ y z7 g& a- M
2-018 Reconnection6 K5 R& `( ~) I, H# ~- {9 B
2-030 Deviation or Postponement
1 k& w* R: j; y) [- qTechnical General
9 _6 R0 Z$ s1 B2-106 Circuit Voltage-to-Ground – Dwelling units
; T& m/ e- V1 p9 j2-114 Soldering Fluxes
4 ^2 M% ]8 G' w' B# l2-116 AWG Sizes of conductors3 r: [7 l# e) y! M
2-124 Fire spread (see Appendices B and G)
! K/ u2 X. X% V* n2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G). E8 a: L/ v4 o7 N0 P
Protection of Persons and Property
9 h3 ^, t, B& F' k! R2-202 Guarding of Bare Live Parts% { ]4 M9 ?+ X$ ~
Maintenance and Operation3 Z( Y) N) T. J# a) Q
2-304 Disconnection t# _2 @! n' k: n3 B- R
2-306 Maintenance of Live Equipment
6 R; y- ~; \* L+ SN 2-306 Shock and flash protection (see Appendix B)! t# j$ H2 Y% v) M# `0 s1 c5 y# }
2-308 Working Space About Electrical Equipment: Table-56/ h! j; }2 [' O' F7 P
2-310 Entrance to, and Exit from, Working Space3 }3 e, J5 u, H$ X) }
2-320 Drainage
4 O0 x- n P# ?2-322 Electrical Equipment near combustible Gas Meters and other Devices
] M0 P) ^2 o# {+ T j' mEnclosures
4 O! G( d$ w* e6 y2 m2 U8 S2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) : h$ F+ @' |2 k R$ e8 r. b
2-404 Marking of Motors: DP, WP, TE
1 F* S* P% E9 E3 B- B
# t' H4 q) x3 J( n, N x$ fSection 4 Conductors
3 L) ~, \. ~6 e- S4-000 Scope: ]; {. V) V \
4-002 Size of Conductors: 14#, 12#
" d. d4 b2 _8 ~7 H- M4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
+ ^* v* M+ ~8 j/ G6 d- V4-006 Insulated Conductors: Table 193 ]2 G9 I! s, Y! p
4-010 Uses of Flexible Cord: Table 11 g2 n. v0 }0 D. ?+ O2 D: p
4-012 Sizes of Flexible Cord
$ }9 K( b# {- [7 C8 ?4-014 Ampacity of Flexible Cords: Table 12/ ]1 D/ A+ y8 \0 h* }
4-018 Equipment Wire; q2 ~1 D5 Y, f& o" \
4-020 Insulation of Neutral Conductors* S+ P1 L9 @4 i6 b7 I" d; N
4-022 Size of Neutral conductor3 ^( h4 C; p; M
4-024 Common Neutral Conductor
+ }2 Z8 D* Q9 h4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum9 F g4 X8 y( E
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum/ t! Q; D2 [3 k6 i0 x
4-032 Identification of Type MI Neutral Conductors
3 }- O) g4 q2 ~) J( `4-034 Use of Identified Conductors
% x2 B! S+ s. I0 R: y6 p/ N4-036 Colour of Conductors: Phase A, B, C, …3 j, q8 E" ?7 l* b
: n g4 g0 J4 s+ pSection 6 Services and Service Equipment$ v: y8 q+ J P8 ~ h
General" i: O: b2 _/ k# R
6-102 Number of Supply Services Permitted
$ J1 J0 {2 }. m6 F0 @. R, J) R: `- r6-104 Number of Consumer’s Services Permitted in or on a Building
* R1 J, F( Q3 f& Z, M5 f1 w6-108 Supply Service from an Electric Railway System# r5 l \8 H: C5 Q5 N
6-110 Three-wire Consumer’s Services + C: @7 @4 G7 K; ?/ Z5 E
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors2 y7 g9 I3 L. Z, C9 c) y7 M& M
6-114 Methods of terminating conductors at consumer’s service
) Y# E& }0 g) A- s8 B6-116 Consumer’s Service Head Location
' j# _2 f) k+ j+ r" u$ l# ~+ ZControl and Protective Equipment" Z. [- B2 n" w
6-200 Service Equipment
4 [3 Q0 g2 Q: C( H* T6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)( Y$ V1 ]) T5 h: R9 P, G
6-208 Consumer’s Service Conductors Location, q+ h; H: {+ S" C: W' M
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches' D8 i5 R6 O! Z3 j
6-212 Wiring Space in Enclosures- }# g" l) n& X3 X" o7 ?2 K: L
6-214 Marking of Service Boxes0 t i$ \2 q+ q& G, V/ c, [1 k
Wiring Methods$ Y! f1 F( o6 w9 g( K6 r! \
6-300 Underground Consumer’s Services" S" P( w2 O: d& V
6-302 Overhead Consumer’s Service Conductors, T) } [4 ^0 n& I
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable2 e0 Z3 ?$ [' N1 u: o+ \+ B- g8 A
6-306 Consumer’s Service Raceways1 B8 l7 p8 n5 F1 i0 M+ g& A
6-308 Use of Bare Neutral in Consumer’s Service
8 a( l: j: {8 n; B/ K0 c6-310 Use of Joints in Consumer’s Service Neutral Conductors
) t: M( h) ~# w9 k2 V) i4 m6-312 Condensation in Consumer’s Service Raceway; s/ D# @/ A6 a7 A/ M. t
Metering Equipment
8 u7 q5 H. x/ E0 k7 |. S6-400 Metering Equipment9 M ^8 l% Q! h& ]; m
6-402 Method of Installing Meter Loops! E* a3 O" C& s8 G$ q
6-404 Enclosures for Instrument Transformers
9 p: V8 o5 e; x% W! ~ p. q6-408 Location of Meters
8 T$ L3 Z; R1 j, D/ [( b. M3 n' D% M7 L
Section 8 Circuit Loading and Demand Factors# q0 |; o6 L/ w4 ^3 c, W* g
General& w5 S2 z5 j6 r3 U" D
8-100 Current Calculations
8 @4 _2 D9 c( R5 W$ G% ]8-102 Voltage Drop ( see Appendix D)3 n" d$ k/ ]0 |$ O. f
8-104 Maximum Circuit Loading
' }5 M' x( K. z/ o9 o2 Y9 `8-108 Number of Branch Circuit Positions- j8 l; C Q) B! Q @
8-110 Determination of Areas
' s3 u, T( b, s: kServices and Feeders
* c/ c% ?$ D, s3 r8-200 Single Dwellings (see Appendix B)
2 ]' H, v" A, o8-202 Apartment and Similar Buildings
3 B2 B, f& s, Z [- {7 Z- ^8-204 Schools# l1 M! K' | a! U4 A
8-206 Hospitals
+ P' ^( M$ r, Q) u8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
& X9 P" u: h0 C; l! F0 H2 Y8-210 Other Types of Occupancy (Table 14)
; L7 ^2 l* ~ o$ I8-212 Special Lighting Circuits) _. A; w/ B5 v4 C1 w
Branch Circuits
8 a! {* u4 g& d7 h3 h! f* o2 ~7 u4 Y% X! b8-300 Branch Circuits Supplying Electric Ranges+ a* k' U& ]+ D! M! J9 q/ a
8-302 Connected Loads3 ] a v- n3 N7 |! w$ v5 z
% Q, i' [, z% {' cSection 10 Grounding and Bonding
/ }. b: S# @/ F4 x$ CScope and Object/ A a7 {, R, v: |: w9 A# V
10-002 Object8 _& R0 R( S4 [$ y s* y/ P- E& L
System and Circuit Grounding
# k& r2 O' I; L Z6 d; F10-102 Two-Wire Direct-Current Systems6 m0 l9 {+ J- Z' F8 a
10-104 Three-Wire Direct-Current Systems
; Q4 e/ N' G7 R5 c, D$ s10-106 Alternating-Current Systems! u) v5 p% @! s7 ]3 y7 m! j
10-110 Electric Crane Circuits
, e3 X0 L# Z% v10-114 Circuits of Less Than 50 V
4 F5 {) m d6 S% L# }, Q: u: i- d10-116 Instrument Transformer Circuits& S; P2 [4 F8 z
Grounding Connections for Systems and Circuits. l* A9 ^& e; F h
10-200 Current Over Grounding and Bonding Conductors
. i2 T7 v$ b8 r8 @10-204 Grounding Connections for Alternating-Current Systems
+ C/ q4 M, X- o10-206 Grounding Connections for Isolated Systems
! s9 S( i2 J+ I10-210 Conductor to be Grounded
/ f% E. V. d3 PConductor Enclosure Bonding! V0 |1 Y' u5 b& E9 t* X% C: I
10-302 Other Conductor Enclosures: ]+ Q G, ?3 C; h+ F# [6 u+ ]* s" R
N 10-304 X8 h5 I3 G. A2 F
Equipment Bonding
+ t. d4 _2 B- j- j4 h0 b* K10-400 Fixed Equipment, General
* Y+ ?- ?8 A- d1 x- ?10-402 Fixed Equipment, Specific (3), (4)
$ Y! z6 ?+ B( G8 ~0 _- t0 V10-404 In Nonmetallic Wiring Systems
2 O6 z; P' b- Z10-406 Non-electrical Equipment% ?3 u& I' ~' e5 ?% W6 `: G
10-408 Portable Equipment (4)(b)
5 m& W! q1 z2 U$ R6 a) } E' |10-410 Instrument Transformer Cases. `6 q5 y3 M2 {/ f z
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less4 g; D: F) M: {1 F% D
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
2 x5 A6 M* q" U/ V3 Y" PMethods of Grounding' `# B W% A/ ]9 G' d$ Z
10-500 Effective grounding (see Appendix B)
+ R& u: C' i. |+ \4 I% q10-502 Common grounding conductors C5 d! {# } x3 \
10-504 Common grounding electrodes7 g. y# h" C* W& v7 l( i% s, c
Bonding Methods. `& K( s( Z8 i( D% l7 _
10-600 Clean Surfaces
) d( s3 S; [5 M0 t; U10-604 Bonding at Service Equipment# b% w* _; a+ M0 n# _
10-606 Means of Assuring Continuity at Service Equipment& |+ \5 s+ x5 R7 ^* Z9 W
10-610 Bonding at Other Than Service Equipment
% P8 \* y2 w, k+ h2 i# B0 [10-612 Loosely Jointed Metal Raceways
' @( ^* E& Y+ a10-614 Bonding Jumpers Table 41% v+ z( W5 L4 s* I- E
Grounding Electrodes
# w; Q* p# z7 B9 ]* J: N2 W. E10-700 Grounding Electrodes" s9 H# b3 ~, m6 x+ A; k6 v* d
10-702 Artificial Grounding Electrodes
( I1 Z3 Q) m/ V4 B( a( l+ _9 L% @N 10-700 & 10-702* X5 n* a" _4 p) }" l$ m5 j
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
/ P3 o- {; G5 s( i/ X3 _N 10-702
8 }# o Q/ y( ?/ j3 }1 X10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
* p2 u, `) U \. @6 mN 10-702
2 N" ~2 B' R6 l* B10-710 Use of Lightning Rods (Appendices B and G)
7 _9 P9 a* G' Z% q+ UN 10-706
, v5 t4 C) ?4 k; IGrounding and Bonding Conductors' |" n8 ]; F( e( @+ F
10-800 Continuity of Grounding and Bonding Conductors
4 u1 V/ C% C. Y }5 u8 }10-802 Material for System Grounding Conductors$ n# y% ^4 J' ^
10-804 Material for Bonding Conductors2 V( B1 @$ E1 F2 \9 c
10-806 Installation of System Grounding Conductors2 t x6 m z" j9 u, U& C% n! k
10-808 Installation of Equipment Bonding Conductors
% u3 U, x; V7 U5 U7 [8 j10-810 Grounding Conductor Size for DC Circuits
* v# L* P5 I: Q$ Y- L10-812 Grounding Conductor Size for AC Systems (see Appendix B)
) j# {9 ^ m; T9 u8 D4 b10-814 Bonding Conductor Size (Appendix B)+ {% x2 H* ?5 J
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
* O+ Q9 Q% i' X' I- D& G- @10-818 Bonding Conductor for Outline Lighting
- n. Q* J& ^3 g9 k, t7 L10-820 Bonding Conductor Size for Instrument Transformers
% g- e3 |& P0 w8 U7 \% e. sGrounding and Bonding Conductor Connections
3 t8 }8 {9 @) g10-902 Grounding Conduct Connection to Water Pipe Electrodes
' ^3 j" p \& h" O* [4 {& H10-906 Bonding conductor connection to circuits and equipment7 E3 u) b+ t: c
10-908 Grounding Conductor Connection to Electrodes
2 i$ F! p+ G' y7 _- iLightning Arresters
5 ~" H' b& @ \10-1000 Lightning Arresters on Secondary Services – 750V or Less
+ Z& t; p+ K' d. b& W, A, d. I6 V. h
Section 12 – Wiring Methods
! O) q8 G9 h" d- bScope# r f( c9 V4 h5 V8 Q
12-000 Scope (Appendix B)
( N: S0 S) E9 P/ ?" u& tGeneral Requirement
9 P% d( Q# C, _ ]; M" U12-010 Wiring in Ducts and Plenum Chambers
" E5 Q1 j4 g. n* a& k1 {12-012 Underground Installations (Appendix B)% h/ D8 J. T# b# d9 g
12-016 Lightning Rod Conductors
' c$ \1 {5 {1 g, `9 MConductors - General) }3 H8 \2 I- X
12-100 Types of Conductors (Appendix B) Table 196 p! o9 Q- u* k3 F/ _; w- L
12-102 Thermoplastic-Insulated Conductors6 Q8 U1 F$ I7 L
12-104 Flame Tested Coverings4 ~# o+ D+ H0 x d& a
12-106 Multi- and Single- Conductor Cables
1 h6 w8 i# e/ Z. u7 W6 L! v; ?12-108 Conductors in Parallel (Appendix B)
) c3 {7 Z$ r( [& B5 p12-112 Conductor Joints and Splices5 @ _3 u' e5 g* k" k
12-114 Ends of insulated conductors
6 D* U" h; P# `7 v2 Q, B12-116 Termination of Conductors (Appendix B)
0 e" X& E# o; G R! [) E. `7 V12-118 Termination and Splicing of Aluminum Conductors
6 }6 z, a$ B+ o1 [- [) d12-120 Supporting of Conductors - Table 21' l) |8 q2 ~9 J
Open Wiring/ n+ |: x% k8 s0 h/ k5 H: i
12-204 Spacing of Conductors# ~3 X2 m/ U8 W' L) x' l2 k7 g
12-206 Conductor Supports; \9 ]$ W- g# A. \
12-208 Conductors on Flat Surfaces
- g/ s9 h. x' b5 t) @) D$ ~12-212 Protection from Mechanical Injury% f& Z- j# W) H
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises; L/ d% ]) P+ n0 h0 w+ R
12-308 Minimum Size of Overhead Conductors
, ~+ m" i" e- x o) P- U12-318 Use of Neutral Supported Cables
9 I1 c! U8 [- @8 sNonmetallic Sheathed Cable* u$ I* }: q: x. B% f8 R
12-502 Maximum Voltage
D! ~/ ]" y$ H- {& G$ Z/ K% [12-510 Running of cable between Boxes and Fittings (Appendix G)
9 {0 ?& i3 q3 s2 w; k& Y12-514 Protection on joists and rafters1 Y2 \$ o- Q- A6 f
12-516 Protection for Cable in Concealed Installations (Appendix G)! {% [+ s0 `+ A, L( f6 F4 ^
12-522 Where Outlet Boxes Are Not Required3 L: M4 Y+ D% z4 p5 _2 t
Armoured Cable
; c/ K0 w2 `; X5 x' d8 b12-602 Use (Appendix B). k8 M) B+ ?1 ]5 z
12-604 Protection for Armoured Cables in Lanes
- x" p) k& w8 e) b# s12-606 Use of Thermoplastic Covered Armoured Cable: j+ H1 e, \7 |; t( P8 A
12-608 Continuity of Armoured Cable
; z) L3 c3 n! ?4 {1 a! E12-610 Terminating Armoured Cable
4 m" Q p, h. h! N& m% D12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems) J! Y g) Q' r( P
12-614 Radii of Bends in Armoured Cables" S$ J' R G! T$ X0 h* {
12-616 Concealed Armoured Cable Installation
0 m" V2 z/ u" r/ f2 k12-618 Running of Cable between Boxes, Etc. L7 e" Y! ~: O
Mineral-Insulated and Aluminum-Sheathed Cable
% R' A) q2 B w- x$ Z L% R6 ~12-702 Use
S3 H: B3 l" i! E5 P6 H12-704 Use When Embedded
. R" B% c7 L+ l- G12-706 Method of Supporting
W- m X& R5 W2 Q7 Y12-708 Direct Earth Burial
' V0 ~9 [. U$ ?0 l5 L# |12-710 Mechanical Protection$ e3 M- n2 ~" K! w' X
12-712 Radii of Bends
F$ L( m2 V- T, R: T2 Y5 X12-714 Termination of Mineral-Insulated Cable (Appendix B)
3 t! h4 _/ G- N- \+ ~12-716 Connection to Other Forms of Wiring# G9 a+ `( S4 ]- U
Flat Conductor Cable Type FCC
$ v" Q" `+ J2 v* \; y4 B" J12-804 Use Permitted
- R7 i0 x% N# z: p" F, v12-806 Use Prohibited
8 j* ^ u* q2 F! L, p; O12-818 Anchoring
* S0 G# x5 `4 G8 w5 b5 b4 Z8 Q12-820 Crossings- ]5 q# m; b& R( X9 X- ~: G
Raceways - General( i* y" I& K% c7 C5 o. R( T3 {
12-904 Conductors in Raceways$ V2 \( w4 f& N$ M7 p
12-906 Protection of Conductors at Ends of Raceways+ V$ n1 \* q0 Q ~' N* Z& [
12-908 Inserting Conductors in Raceways
5 x, B# d$ ?2 B1 G* N( n+ V12-910 Joints or Splices Within Raceways' f- ~3 r- C+ \$ K. ]3 J
12-912 Stranding of Conductors
4 v% R- |. _- d" E+ c+ i% W1 k$ ]12-914 Electrical Continuity of Raceways
! b( E! D/ j1 {# [12-922 Radii of Bends in Raceways5 z' M+ ]+ q$ b/ k# d. v# f
N 12-922 Radii of Bends in Raceways Table 7# y3 _3 l x: n1 c! @
12-932 Protection for Raceways in Lanes( D# P4 L, O* c7 o. B
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
1 n4 A) L) ^+ O6 T: o" \12-938 Capping of Unused Raceways
+ Q+ H6 a# u/ m& v) x8 Z12-940 Maximum Number of Bends in Raceways
, {: _) U0 H- x' d5 L$ u; xRigid and Flexible Metal Conduit
$ z D7 n' ?9 O12-1002 Use
. R1 ~0 j8 [, ~12-1004 Minimum Size of Conduits
q9 F+ R* Y+ Y; @# V12-1006 Conduit Threads (Appendix B)* X& M7 i* w% z2 C+ C) F* _9 {: a
12-1008 Thread Engagement
0 H, q" O# t; x/ `0 k; ~/ k: Y12-1010 Maximum Spacing of Conduit Supports# B* o5 T5 ?6 x2 O
12-1012 Expansion and Contraction of Conduits (Appendix B) U8 r3 x" K. s; G$ V
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
, D }- q& P2 w& k. k& X1 f- e! R7 FRigid PVC Conduit and Rigid HFT Conduit# Z9 O* w% S5 ~( H% X, z
12-1100 Use
3 O6 O/ ~, Z! a& {12-1102 Restrictions on Use. i1 c# Q, E4 ~! d; t) V& R9 O, M
12-1104 Temperature Limitations (Appendix B)
. v- o+ l9 N* {1 ]+ k$ c' z12-1108 Field Bends (Appendix B), (2)
& i O- K& S. A. A8 E12-1110 Support of Luminaires, z' M' A3 ]& B: m9 h# m
12-1112 Fittings5 y* ^: ~( n; W2 _) D* F
12-1114 Maximum Spacing of Conduit Supports) h# A+ m! w* ^! ^/ t y0 ^- N) t
12-1116 Support of Equipment! o+ Q6 I# h1 x
12-1118 Expansion Joints (Appendix B example)! O- }& C6 ]# ?" {9 M
Rigid RTRC Conduit
4 d; a8 {0 R& p1 `/ a12-1210 Temperature Limitations
$ S. n3 E" i5 W* `12-1214 Expansion Joints (Appendix B)) }: H- [. j S# C* B9 J
Liquid-Tight Flexible Conduit
8 w: @5 N, z) N- i7 R- L* {12-1302 Use of Liquid-Tight Flexible Conduit
% G4 i y. ^# _' ]12-1304 Maximum Number of Conductors9 E+ Y8 T; i" N5 b
12-1306 Provisions for Bonding
+ B- C0 t/ x, z; oElectrical Metallic Tubing @# x6 o5 @- z, Q3 T2 o( M' e% n
12-1402 Use
$ Y& v& m0 k$ m7 F( b12-1404 Supports
, b @2 T3 Z0 B3 N12-1406 Minimum Tubing Size
+ w* `; D$ z* n( \8 u! u. K9 m12-1408 Maximum Number of Conductors s4 l5 d" F- ~+ V
12-1410 Connections and Couplings% O2 m1 q7 ~3 ?6 l" _
12-1412 Radii of Bends in Tubing
, P2 p8 x [- [, LN Table 7" |5 @! K9 `7 V& T# {& K5 Z
Electrical Nonmetallic Tubing1 P& H. p7 l0 ~* n* t
12-1516 Provision for Bonding Continuity
6 I f4 }- Q" R" A/ _9 g5 S+ xN 12-1514
( Q# n( z2 z" S) v2 ~/ ]Surface Raceways
0 D% B2 n$ v \8 \0 J* F/ `12-1602 Use of Surface Raceway (Appendix B)
- H9 E( S5 G% F3 W12-1604 Temperature Limitations6 v+ H2 u/ ?4 \4 C% {& ~
12-1606 Conductors in Surface Raceways (Appendix B)
. W- X1 G7 K) a7 X: G/ U12-1608 Maximum Voltage
V {+ B$ c# \. J0 P12-1610 Joints and splices 5 i4 d2 s d& M E
Underfloor Raceways
- @6 a* S. G8 p# Y8 x! H( d12-1712 Discontinued Outlets in Underfloor Raceways
9 O9 \- s$ J( B A1 [0 UCellular Floors; f7 }) Q' ?5 A9 ~/ E* [3 M. ?
12-1804 Maximum Conductor Size in Cellular Floor7 n7 Q$ v8 w. |9 ]8 |+ A/ P5 \
12-1820 Cellular floor discontinued outlets, \. \0 N- A" r3 h: [
Auxiliary Gutters- D5 H' r* D; o
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces4 \4 l: V. l V, a( R- ] K
12-1902 Auxiliary Gutter Supports# f2 M4 J9 `+ r- z& J3 T+ I4 j
12-1904 Auxiliary Gutter Cross-Sectional Area
: n) R: S5 v$ b. a5 b7 `Busways and Splitters" r1 i2 e3 B4 O. _. n, y5 j1 Q# r
12-2004 AC Circuits in Busways and Splitters
, d) k1 Z9 d$ p- ]- {12-2006 Busway and Splitter Supports9 _$ g N2 W [1 X/ s; b/ s
12-2008 Method of Installation of Busways
2 r5 W6 p% Y; k" w1 p5 [12-2012 Reduction in Size of Busways4 Z" h+ `/ A: i' Z9 I
12-2014 Length of Busways Used as Branch Circuits
5 @8 E6 Y$ s3 e! |12-2018 Taps in Splitters
3 u. e7 \2 E: [4 P* S3 S8 RWireways0 J+ @8 }7 m* e0 Z4 C: z( E }, C; A5 K
12-2104 Conductors in Wireways6 G0 [3 P- E5 M0 {# h; M
12-2106 Taps and Splices in Wireways
! O: N2 o8 b$ z% E. ~5 ? Cable Trays' p9 H4 W$ Q. t0 W% L
12-2200 Method of Installation (Appendix B)6 o2 F& g% B! R' z
12-2204 Joints and Splices Within Cable Trays6 t2 p) M2 V7 |. I: [; `5 D4 K2 x
12-2208 Provisions for Bonding
. ^- {# b4 t( @* ?12-2210 Ampacities of Conductors in Cable Trays
9 D% Y$ U( q5 a/ @Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
% O8 U, ^( r% B2 f- V$ D% X6 p12-3000 Maximum Number of Outlets Per Circuit
: M$ N7 K* { }" ~3 d- PN 8-304
0 s [% T6 ]6 C3 G. f7 ^( `12-3002 Outlet Boxes (Appendix B)
3 v8 j; t& G( iN 12-3000
! G; M* j. E/ s* G5 B9 e7 q12-3004 Outlet Box Covers
9 c W8 Y" t) `, mN 12-3002
$ r3 y: c3 }6 @7 `. A" E5 h* |12-3010 Boxes in Concrete Construction: ?! r: e' X+ E; _" H, [
N 12-3008
/ U' o+ x' g6 K' e12-3012 Outlet Box Supports
Y# C; W1 J% c7 n( u! p) B5 QN 12-3010
! o$ |4 I& o- }% r: N! v( a2 Z# Q12-3016 Accessibility of Junction Boxes, [% X3 e0 {5 Q N/ ~
N 12-3014
& @" l2 `/ Q, u. ^' @: R12-3018 Flush Boxes, cabinets, and Fittings1 }& F% N6 @/ A* |
N 12-3016) m" E2 G/ U2 u+ B& t
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 0 D1 q- w* K9 q( j( A
N 12-3022, q6 ]/ s: l% Z" Q# R- A1 G
12-3036 Maximum Number of conductors in a Box - Table 23
[* @3 t- |& pN 12-3034
7 Y! B( ?: N$ V12-3038 Pull Box or Junction box Sizes% a) x/ C3 t$ W. K; N; K
N 12-3036! F4 I7 C# y# i
* O0 M; U; D% X `6 nSection 14 Protection and Control
. P9 c) A2 X G! V' C0 Z9 |General Requirement
, t" I {7 y5 J9 F1 h0 T14-010 Protective and Control Devices Required
2 p2 R( J5 c( ^+ m) o& y14-016 Connection of Devices3 N: L. W; D) T" j6 k3 L! }
Protective Devices – General2 f; Q% I8 }2 ^, O$ I! W: p: s9 v
14-100 Overcurrent Devices Required8 N9 ?) Z- |' u2 E& b/ X2 @/ t
14-102 Ground Fault Protection (Appendix B)4 N- ~7 u9 m3 [$ r4 l! b& [
14-104 Rating of Overcurrent Devices (Appendix B) Table 138 k" U: ^- s) L. e1 _3 r
14-112 Overcurrent Devices in Parallel
8 g! L# ]% I; M6 `. O yFuses
7 z! D F% o- \14-200 Time-Delay and Low-Melting Point Fuses
4 F x+ Y* O; n14-202 Use of Plug Fuses0 j+ F. }& p7 N; c' o, ^! j0 q9 L
14-208 Rating of Fuses( R4 o7 O: f- x& m1 V7 v
14-212 Use of Fuses (Appendix B)
$ m0 e6 U4 ^6 t6 lCircuit Breakers8 h3 [- j* j/ B0 D
14-300 Circuit Breakers, General
' R* j, ~+ {9 T2 Z( s- S14-306 Tripping Elements for Circuit Breakers r4 J# }: P+ ]! y, _# S
14-308 Battery Control Power for Circuit Breakers }! t" [" V3 O; y
Control Devices - General
9 ^& X; V; O2 b4 t6 E: {* V; D0 a14-402 Disconnecting Means Required for Fused Circuits! X! X& a- F2 ~& w
Control Devices - Switches- P o# ] p7 m. g
14-502 Mounting of knife Switches
2 D3 z( \9 z4 z- V! Q Z8 w8 m; ?14-504 Maximum Rating of Switches
; r. E3 R+ q; y14-508 Rating of General-Use AC/DC Switches (Appendix B)! `$ n8 }0 o' f7 _4 d4 ^! D# ]
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
: j. p. u B; z8 M/ cSolid State Devices
" C+ K7 |8 K" u/ J6 a2 z' D; P14-700 Restriction of Use
' R( I1 |( u9 m2 b4 j3 {+ e- Z$ V: o14-702 Disconnecting Means Required
/ Q$ r% r. J( D k* j* Z% t; i* I& J( ]. K
Section 16 Class 1 and Class 2 Circuits- \& c0 M1 M7 A9 \0 |
General
( [! C6 t3 R' D4 E8 o1 {1 e' O16-004 Class 1 Extra-Low-Voltage Power Circuits) C2 e3 V+ g9 x$ w8 C
16-006 Class 2 Low-Energy Power Circuits- i2 U& P% V, Z7 L6 n& K
16-012 Circuits in Communication Cables- U8 H9 J0 C! }( w, f
Class 1 Circuits6 i# }+ {7 o: }* U; c
16-100 Limitation of Class 1 Circuits
* g9 V7 B9 @: W16-104 Overcurrent Protection of Class 1 Circuits9 R' X0 C8 |3 b, P% L* Z
16-106 Location of Overcurrent Devices in Class 1 Circuits/ g' O0 _: Q) b! W2 V+ Z# x0 t8 o2 X
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers* h: |: r/ \6 S/ n4 L
16-110 Conductor Material and Sizes& t" u; o$ B( @9 K( @$ A/ Q4 W+ \2 m
16-112 Insulated Conductors for Class 1 Wiring
9 X, J2 R5 Q, U4 j9 g+ LClass 2 Circuits8 r# m% f& \+ g' u; ~- n
16-200 Limitations of Class 2 Circuits (Appendix B)
- l6 d% n6 a. N- Z% o16-204 Marking
; X% `( {# a: L/ @, x$ z8 w" P16-206 Overcurrent Protection for Class 2 Circuits
* j! }! N8 u5 w# J16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
t& @7 ]7 n# H" t5 I0 E8 EELC: extra-low-voltage cable
* L( c3 ^$ V7 I5 p/ t( F16-212 Separation of Class 2 Circuit Conductors from Other Circuits
$ v y* N. d7 g# m9 L. C" V, I& ~& l! W" v
Section 18 Hazardous Locations
+ [; r7 }6 n/ ]( A4 f5 F f( aScope and Introduction
: [+ [5 d8 q% s2 S+ m( G4 s18-004 Classification
# a4 R: p: f6 t6 c# v+ i( B: r18-006 Division of Class I Locations (Appendices B and J)
# \3 K: @5 m+ Z4 V18-008 Division of Class II Locations (Appendix B)) b5 y( D$ B+ \& O
18-010 Division of Class III Locations (Appendix B)
6 ^: g4 h' E" ?$ WGeneral0 l t5 X+ M( ]9 X. V- n7 t
18-062 Metal-Covered Cable (Appendix B)
3 Q: O' \9 u8 Q# [2 |- X A+ D- `Installations in Class 1, Zone 1 Location5 V$ q- [; P7 @# Z
18-108 Sealing, Class I, Zone I (Appendix B)
4 F. e" H; J( F, V! T& z }$ Q% q6 ^, z" J0 D3 Q- \, @8 T
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
) l& L5 v, R. q8 ] o8 QGasoline Dispensing and Service Stations
% G3 c* I. G3 m' O20-002 General
; p0 N! q( ^$ N P3 ^2 b3 G6 D! Q20-004 Hazardous Area (Appendix B)
5 |) X. f' @$ r0 m% ^2 E% kPropane Dispensing, Container Filling, and Storage2 X! H/ w# i! m
20-034 Hazardous Areas - Table 63
5 t+ ^; m- |* H' Y4 }- NCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
: J F1 ]& m3 ]' S20-062 Hazardous Areas
u$ c) W; n$ @2 }; SCommercial Garages – Repairs and Storage
8 R, C- b% F# r, v, @8 d/ D1 i: ^& ^! C20-100 Scope
* F2 s- S4 r [ ~' ?* f8 W20-102 Hazardous Areas (1)
$ a8 W5 k' M2 q6 w% ~4 T) W1 ~ \0 u1 z! F( @2 l3 p
Section 24 Patient Care Areas
6 x$ H) i' h/ O5 J2 M. `24-000 Scope (Appendix B)1 k' L& _- `; v" T
24-002 Special Terminology (Appendix B)
( D( v+ V2 r! z+ c, v7 p) w Patient care area
- X& p7 O4 u7 q! m1 JPatient Care Areas
0 }6 w6 R, A9 k, p24-106 Receptacles in Basic Care Areas (Appendix B)
. s8 A' h. ~8 L; V$ rIsolated Systems: ?9 v k* p6 M0 v
24-204 Single-Phase Isolated Circuits (Appendix B)0 p( [# K. U1 o, q
24-2062 Q- z$ O& j# V3 U' s F
: h: n2 `0 ^! ]! e" [Section 26 Installation of Electrical Equipment- _$ ^+ O9 F2 u) R1 F
General Z2 n( I/ Y' d8 ^9 ]1 M
26-004 Equipment Over Combustible Surfaces (Appendix B)+ D9 l% x! H9 L. c; j# n
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)& ~$ r7 r' L# g* p
Isolating Switches& a' x& W+ T8 [: @2 {
26-100 Location of Isolating Switches; q2 Y6 {) P9 A' d: A: }7 [+ t
Capacitors
% A3 w+ m; J- d. g: r26-204 Guarding of Capacitors9 L; O2 \$ k! j" K9 g* w
26-206 Grounding of Capacitors F D0 ^" G2 P. x! i" O! ^
26-208 Conductor Size for Capacitors/ [ x$ Y+ X* h
26-210 Overcurrent Protection (Appendix B)
t5 z5 X0 F* | Y, K/ p" d! w26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
' v( H$ w& T6 C2 f$ F26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
* ~* F9 b( O7 @& T( D26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
) G$ N K2 E) F# \* }, g0 |26-218 Special Provisions for Motor Circuit Capacitors* Z; |- ^" H, S& {* N- s
26-222 Drainage of Stored Charge of Capacitors) t9 v! ~: y! \; F
Transformers; I& s3 Y$ s. ]# A1 |1 T4 ^
26-240 Transformers, General
" @" ^$ r' J5 G& }, g; f- y26-242 Outdoor Transformer Installations
- a% e7 ^7 J# p+ h26-244 Transformers, Mounted on Roofs (Appendix B)* G; g: K$ `- j5 w1 Q
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
$ ]8 y! U! n! B! m26-248 Dry-Core, Open-Ventilated Type Transformers- k4 P1 I3 u7 O
26-250 Disconnecting Means for Transformers
1 g- ?7 P1 h5 h: S: R26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
: `& P1 B1 C. H4 N26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers7 [; y; ~+ S; x1 @9 ?. N! P: n
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B), B3 t$ W: N2 x' d
26-258 Conductor Size for Transformers
9 g8 u6 `! |. F9 M8 w5 ]! k3 w: H26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)3 j* z) K$ o1 X' `, ]: M4 o0 A4 V
26-262 Marking of Transformers
( T) j) C. s4 d% g26-264 Auto-Transformers& @- l7 z' }- {
Fences8 x( m7 a$ ^: Q' k& l
26-302 Clearance of Equipment - Table 33 Q* I1 ~! C/ ~2 Z! }& V
Panelboards
* r% n% E4 F5 @+ [; T26-400 Panelboards in Dwelling Units (Appendix B)
: E `" }/ S* ^% e" i26-402 Location of Panelboards (Appendix G)/ o) d( ]1 i* I8 ^9 P, D" u8 ?5 F) [2 x
Lightning Arresters& D: a8 Q$ _, u" f( A% `
26-508 Connection of Lightning Arresters
; k+ T2 d5 i6 n; YStorage Batteries
& c: U/ R' e: {9 A0 F' b: Q5 A26-542 Special Terminology# b; X! z% R ^ y% W F
26-550 Battery Installation
' ]& Y0 S* @/ d6 d- P* E26-552 Wiring to Batteries2 m' W8 j: c9 b0 q: B% c
Arc Lamps
) o$ d* q; D1 C$ b26-600 Location of Arc Lamps
! e( P8 y( b J: s26-602 Conductors to Arc Lamps
) |3 K4 u* O9 S) b& k% w26-608 Globes and Spark Arresters
! z7 W! _$ e9 K' J0 N8 S2 W @Receptacles# O8 n. J% E2 ^' U! e- w8 y5 T
26-700 General (Appendix B)
, `% R1 [5 H# E26-702 Receptacles Exposed to the Weather
! n2 a% {( X' ~Receptacles in Residential Occupancies# Y3 V1 J2 X; J# t* W
26-710 General (Appendices B and G)7 H3 Y: R/ W9 Z# L* q1 b" u0 J& p
26-712 Receptacles in Dwelling Units (Appendices B and G)
: r2 ?- D4 s( D9 _26-714 Receptacles in Single Dwellings (Appendices B and G)
; C3 W( U# y1 |) GBranch Circuits in Residential Occupancies
; m& {+ c& A! d( _: s6 f26-720 General6 {: G/ L8 n8 s7 B
26-722 Branch Circuits in Dwelling Units
' x( x+ x7 e" T9 b9 W26-724 Branch Circuits in Single Dwellings$ a4 N! r- r- f3 E0 c: X
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
) Y, s+ Q' B H; B/ `% J8 dN 26-720 (F)
! g- b5 s+ c" D1 B& g6 ^ S; z# E* X: ^Electric Heating and Cooking Appliances
% x) y+ N7 `1 C. w" X1 q26-744 Supply connections for Appliances
4 R. N- N( k% O( k26-750 Installation of Storage-Tank Water Heaters; j# u) I7 M8 E; ?3 Y: Z
26-752 Infrared Drying Lamps2 k: w! z- S5 }+ X' H
8 C6 t1 \) f. x$ D* {Section 28 Motors and Generators7 Q& W# b k9 r8 y' ?
General
; W; J( q9 {. z) |2 l( g' G( d28-010 Special Terminology2 ^ E9 Z$ n. o3 u7 t
Hermetic refrigerant motor compressor
$ N8 p8 ]$ G' h4 u+ o) @5 F; jLocked rotor current rating
' E# H9 |/ V& OService Factor
+ m+ e; a/ A. G8 K5 \Table 44; Table 45; Table-D2( Y. n7 \" i& a& c2 C
Wiring Methods and Conductors! [5 d7 Q- K ^* `8 P3 A) y
28-102 Portable Motors
, e# Q# w: M/ i+ Z% A28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
o% i6 q/ a0 c( D5 X/ b. C28-106 Conductors, Individual Motors
* J7 {2 H# c0 x/ \ R$ h& [28-108 Conductors, Two or More Motors7 G v4 ]; X+ C! q& L
28-110 Feeder Conductors9 C9 h" x# c' D
28-112 Secondary Conductors: ]8 Y0 E+ Y. _6 s
Overcurrent Protection
; ~, @+ d1 D% W2 x28-200 Branch Circuit Overcurrent Protection
8 f/ n3 [, O3 }28-204 Feeder Overcurrent Protection
" V/ l/ c- V8 S" v }6 G# F; _6 }; x28-206 Grouping of Motors on a Single Branch Circuit
; w9 K0 P; O6 Y28-210 Instantaneous-Trip Circuit Breakers (Appendix B)6 _4 Z8 {" ?6 \5 c8 ~% L0 _* o
Overload and Overheating Protection
: V1 y4 [9 a; C2 x5 p# Q28-302 Types of Overload Protection
8 w2 i8 S( z1 M( {* e28-304 Number and Location of Overload Devices (Appendix B) Table 25
4 s5 {6 J4 }7 ^28-306 Rating or Trip Selection of Overload Devices (Appendix B)
7 b( |- m3 O. i, U& y28-308 Overload Protection Not Required4 B, c% q1 Z6 p# [' n3 I; f
Undervoltage Protection 0 ?3 j t0 P/ G9 c9 J$ q
28-400 Undervoltage Protection Required for Motors (Appendix B)8 ]* o( X' W) M6 R t4 ^- n
Control
) }' J; R) i6 M28-500 Control Required) {/ E& A7 j. g( \( ^9 X
28-502 Control Location. f) T- f( d, ?% p n; f
28-504 Starters Having Different Starting and Running Position% t/ `+ h; y2 x3 V
28-506 Grounded Control Circuit/ Y$ D% x& Q- f4 Q: B0 T
Disconnecting Means0 x" p3 m+ l. u6 L8 R* B
28-600 Disconnecting Means Required
a( C5 e6 _' Y, j+ C28-602 Types and Ratings of disconnecting Means (Appendix B)
$ Y& D, [* f! [( ?28-604 Location of Disconnecting Means) t: H; Q& h5 O# h7 A+ i* |" X! I
Hermetic Refrigerant Motor-Compressors
, F. z7 T5 U0 p( T/ G* h2 n28-706 Conductor Ampacity
+ Y: q7 z }4 J6 }# t) N4 e28-708 Overcurrent Protection
" P* A& `0 G' ^% m% t% r D4 O28-714 Disconnecting Means- @: `, k% M6 [) F, q$ @
Protection and Control of Generators
) I8 s7 h# V) j8 W$ Q9 z28-900 Disconnecting Means Required for Generators
, ], J* ~, Z5 g1 R7 J; j$ X28-902 Protection of Constant-Voltage Generators
. C- l7 R/ k! b( y( R5 v& A28-904 Generator Not Driven by Electricity
C3 g2 ?7 r/ ^6 A9 p, }28-906 Balancer sets- C8 f# u; B2 r/ X/ a2 A% n
28-908 Three-Wire Direct-Current Generators
# p* l! v" \; V5 c
$ a) G N5 J+ Q; F9 i5 o GSection 30 Installation of Lighting Equipment" c6 y4 i# g9 ?9 t2 t
30-002 Special Terminology (Appendix B)* z8 m0 {: A6 |! j7 ^, L
General9 @; |9 K1 B; r$ u5 l
30-102 Voltage
9 \- l5 }' z0 N( x" q30-104 Protection (Appendix B), M/ k' h1 ^# J4 {% v/ ~
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment+ z3 c0 `6 l; x* B, e7 z' v
30-108 Polarization of Luminaires8 d* \0 e0 W* ]9 E6 X7 T
30-110 Bonding of Lighting Equipment( r1 E1 O2 Z9 ?3 L; d6 F
Location of Lighting Equipment
/ R0 Q+ k- B7 F" Y% t5 j3 ~30-200 Near or Over Combustible Material! I5 Z4 M2 b6 y! k$ ?
30-202 In Show Windows! d* [- g0 K* [. q
30-204 In Clothes Closets
/ O ~7 ]6 r2 a: O. uInstallation of Lighting Equipment
2 J% s: p9 `2 ^: L6 J D5 Z9 L30-302 Support
0 B, t+ n+ k/ m- T2 d" G* u! C30-304 Outlet Boxes to be Covered0 Y R3 t! L- J- F2 M
30-308 Circuit Connections2 B% w( C8 b- C
30-310 Luminaire as a Raceway
8 ]' |0 [, u! ]& c4 D8 A6 ^30-314 Minimum Height of Low Luminaires5 u1 E2 H6 t0 e6 _* B" s
30-316 Luminaires Exposed to Flying Objects
; }3 w4 E( r& V# O3 V4 L30-320 Luminaires in Damp or Wet Locations4 O! T& U" E" J- \% w% s& u) m J h7 q
N 30-318
: ~+ w. n1 |" dWiring of Lighting Equipment& g8 p5 Q* r i9 m8 w
30-400 Wiring of Luminaires6 A, c# s) ?5 o; y' v
30-402 Colour Coding
( k8 l9 u/ y) x$ q% ~: X u! }. B7 j+ E30-404 Conductor Insulation0 G2 F, Z) l- ]& C( [: g2 ?" Q
30-406 Conductors on Movable Parts
! L- }7 H1 y2 G; ? X1 l& Z* T30-408 Wiring of Ceiling Outlet Boxes
! ?: @- p g# I30-410 Wiring of Show Window Luminaires$ T3 E8 g7 V) ~
30-412 Tap Connection Conductors
& z5 H9 Z, X2 B ELuminaires in buildings of Residential Occupancy
" e+ F/ \) y6 a% O7 _, ]30-500 Lighting Equipment at Entrances (Appendix G)" y' Q6 n4 z6 ~9 q# ~* ^ Q
30-502 Luminaires in Dwelling Units (Appendix G)
1 C- H0 e! ?( w* y30-504 Stairways (Appendix G). d! g" H1 X( z. i5 z; W
30-506 Basements (Appendix G)' e+ D5 P7 G U
30-508 Storage Rooms (Appendix G)4 [% w& q0 ]3 j5 y; c. I3 y3 {0 v
30-510 Garages and Carports (Appendix G)
' W s7 I9 ]+ SLampholders
6 ?/ p5 ]* y" V2 n30-600 Lampholder rating with Incandescent Lamps
0 b b" a8 a9 a, XN CANCEL
0 [9 X+ s# D9 `% T" ^ t. Z30-602 Connections to Lampholders4 C2 |% Q$ q3 o2 ?5 g/ I* D5 \
N 30-600: N6 m5 U4 i0 D
30-604 Switched Lampholders Used on Unidentified Circuits, H. b+ F& s& d3 I7 G
N 30-602
6 O) i& U9 U3 T, n6 g% U30-606 Switched Lampholders with Pull-Type Mechanisms
/ G$ @* ~( `& y2 ]N 30-604$ a# n; n& b8 Y: m1 z6 {
30-610 Pendant Lampholders
) o$ l% V4 q& F. J# b- H( C6 z( S- MN 30-608
3 [/ `# l3 C8 d7 x, V( X+ ~, [Electric-Discharge Lighting Systems Operating at 1000V or Less
4 r/ x$ v' v7 t/ m30-710 Control (Appendix B)+ c. w2 A) j1 F' E
30-712 Branch Circuit Capacity: @$ h9 z* s: _$ N9 a
Electric-Discharge Lighting Systems Operating at More Than 1000V
: D$ z/ e) t2 q: C30-802 Voltages, Dwelling Units
: |, `( f; Q' W$ q2 d$ G g4 ~, E30-804 control (Appendix B)1 j: t6 w8 o: v( | {# e
Recessed Luminaires (Appendix G)
- y8 o0 J p" s8 s t3 G30-902 Spacings for Non-IC Type Luminaires% Z# L/ y- ~% s* f
30-910 Wiring of Recessed Luminaires (Appendix B)
0 D) X( W" S: v0 tExposed Wiring for Permanent Outdoor Lighting
p4 x# [* w) y; Y9 n30-1120 Branch Circuit Loading and Protection
/ \; h1 ^, @' v5 ~( }: ]Extra-Low-Voltage Lighting Systems
9 m+ C8 ^9 V/ G8 i30-1202 Sources of Supply( a: `7 r% H/ \0 `# i& ?
5 ^2 V: i" ^) i" d
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
% ^" `) L9 e5 xFire Alarm Systems
+ L3 t. R3 W# V4 Q1 U" E6 ]32-100 Conductors( @- \8 A5 m6 R" j; C, X: L' n* a
32-102 Wiring Method( G# v4 e- a5 V6 {! y7 y, [0 u
32-104 Equipment Bonding1 U3 G+ j3 N& r" \/ x9 [" A
32-106 Electrical Supervision7 U. c0 b3 x; d/ p. d! p
32-108 Current Supply* U- X! X! K. H* u$ v1 L9 b+ S
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)3 W; s3 Z2 F6 f. h$ ]' P. m; z! g
Fire Pumps
! a0 E, L! k$ q a32-208 Overcurrent Protection (Appendix B)
/ ]& p" h5 J& y) yN 32-2068 q% k$ J7 |( n K
32-210 Overload and Overheating Protection (Appendix B)0 B1 V: Y; e. W
32-212 Ground Fault Circuit Interrupter (Appendix B)8 Q! k" I4 Z) w
7 Y( t1 g, S; ` Y. Q8 v! p* YSection 36 High-Voltage Installations
' t7 a% u6 h; u$ K2 {General" m8 H$ Z; H- L+ \* ]
36-000 Scope (Appendix B)
. a1 ]0 u* F; D* X3 z36-006 Warning Notices- ]: z% {+ T9 W: {! `* A
Wiring Methods
% u/ v( A9 q8 i; Y0 }" Z- }36-102 Radii of Bends3 L, {% _8 c7 g. k5 K w
36-104 Shielding of thermoset insulated conductors% l7 z ` Q( q j
36-108 Spacing of Exposed Conductors (1) table 30, table 31
* J3 k% S& |" V- a$ E1 d8 H36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
. I' T; S0 }0 S9 `# xControl and Protective Equipment, n8 P9 R/ g% E( j1 ~$ F- ?/ u+ [
36-214 Disconnecting Means& ?# ^8 N& x6 |5 N/ A( x4 L9 F
Grounding and Bonding, d0 D9 i _6 ~% k& N! J' u% R0 }
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
* t j. w0 V5 N1 [36-302 Station Ground Electrode (Appendix B)/ Z9 I4 ?& B1 Q$ k1 l5 z9 p
36-304 Station Ground Resistance (Appendix B)
M9 t( J& G' X$ h8 n3 x5 p36-308 Connections to the Station Ground Electrode (Appendix B)
$ f2 n9 Z4 N' X36-310 Gang-Operated Switch Handle Grounds
# U$ _' W: J2 I4 D) ?36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
2 i2 j5 }2 A/ U, ~' S! m; f6 Y) G# U- S
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment5 s" R; G# h9 j
38-002 Special Terminology (Appendix B): V) u& U6 u( K# R$ T7 ?
38-003 Voltage Limitations (Appendix B)
" @2 j# C3 P$ K: I38-004 Live Parts Enclosed
+ H9 t* B6 ?" U) }38-005 Working Clearances
$ J9 t0 ]7 D2 S' a. t38-011 Insulation and Types of Conductors5 Z. k7 r' W. L2 {* H- c. S( H
38-012 Minimum Size of Conductors9 i8 h4 A0 g0 m% L4 f
) x/ E3 {4 v! c3 }& }: T. g3 |6 bSection 40 Electric Cranes and Hoists
, w. o l. {" h" o' \4 o40-008 Disconnecting Means/ e* I' F9 E* e2 J3 X
40-010 Main Contact Conductors
: C: G$ B$ Z) @0 d
1 b, Q; [% U( {! R. V, `) J$ HSection 42 Electric Welders' C& h+ h& R0 a o: V7 _8 c: W3 h9 ~
Transformer Arc Welders
3 f( D. {0 q$ z4 K6 b42-006 Supply Conductors9 b9 H* Z0 N, S
2 `5 w% G) G- ~( I! DSection 44: Theatre Installations
3 e0 ?6 V8 d( M7 iGeneral# a# }: I+ k5 _/ j, i7 s# \
44-104 Number of Conductors in Raceways5 H- q& M& A3 s8 U
44-106 Aisle Lights in Moving Picture Theatres: T: ]8 l# o7 z
Fixed Stage Switchboards
- k0 W$ I! S! H: h- Z6 H1 q44-210 Overcurrent Protection
% ?1 c( Q( U" r. e. f3 U0 t9 D oFixed Stage Equipment
, t: { W" j2 m% c+ z$ e44-324 Receptacles in Gallery Pockets ^7 s/ K4 c+ o% |! R7 Y" A6 w0 }
44-326 Receptacles and Plugs9 T+ b3 W4 h) c& ^' G. ]
6 `+ }8 C* D/ K- c; A
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
9 j" S" W y' Y9 Y& k) W" M2 cGeneral
, d8 T7 I3 Y2 r8 G' m46-102 Instructions0 p5 T5 X6 X5 F" ~) N5 L
46-108 Method of Wiring (Appendices B and G)/ T: }5 i" [1 H( Z, p/ V% E( c
Emergency Systems
6 m4 A: d% h& z46-202 Supply (Appendix G)0 K2 P! k/ _7 e2 ]
46-204 Control& \9 `; I7 N9 b4 L( F: G
46-206 Overcurrent Protection9 A. O D, b8 k/ q1 c# Z- {- o
46-210 Remote Lamps6 ]7 C7 s5 v/ l& x0 ]- B
Unit Equipment
9 k! A+ K( ]' ~( z6 J" k. \46-304 Supply Connections! s' V B K8 X: K Q5 h0 ^
46-306 Remote Lamps (Appendix B)
j2 [( F) L {5 T1 Q) m1 KExit Signs
6 }( p$ w* L {% t a8 ^: z46-400 Exit Signs (Appendix B and G)& r5 J' u8 d# F. T7 F. K& L! O8 d& w
8 J L8 @7 v; n9 {) p' g" r2 k
Section 54 Community Antenna Distribution and Radio and Television Installations
' w. A, P* i: F9 t( S6 |, {54-000 Scope# S- b r8 F; }4 o) w# m. E
54-004 Community Antenna Distribution (Appendix B)& a/ A' I! z9 l3 n' C3 c5 e: ~
Community Antenna distribution
" g2 [* o. ?$ m54-100 Conductors4 Q& M! a* Q4 S- K9 k6 |0 N
54-102 Voltage and Current Limitations (Appendix B)
) |# M& i; K" j# ^Protection
" m9 e' T5 q% z5 r4 z& W3 Z/ e54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)$ R* h# u% v8 q$ Y
Grounding
7 r4 ^0 P/ R* t' Z: H54-300 Grounding Conductor
/ H9 b c7 B2 f) X, wConductors Within Buildings
8 X6 r2 V( H' B- g4 O54-400 Separation from Other Conductors( g, B7 D5 { W# `1 A, t6 f
Equipment, f# y7 e$ l7 O1 I) p) i9 D2 `" h
54-500 Community Antenna Distribution Amplifiers and Other Power Sources# \ x# P8 G! M! \# U
54-502 Exposed Equipment and Terminations
$ p1 H4 u, u- f: m6 |7 r8 c; D9 @. U9 ^' r2 n `" h
Section 56 Optical Fiber Cables* K, W" Q6 w z" @5 C
General
; }/ y, |6 {3 V& [56-100 Special Terminology
# x" A5 ~& y: b1 B1 ?56-102 Types
3 o% { H& s! N: dInstallation Methods4 @5 k0 I: s9 C- ?5 C5 Q+ P% v
56-200 Nonconductive Optical Fiber Cables (Appendix B)- l y! A3 X% h1 w) s
56-202 Conductive Optical Fiber Cables (Appendix B)9 q0 L6 H. {+ f) A. |
56-204 Hybrid Cables. O3 C# B2 f+ J8 N3 ?4 j$ Z
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)" P( q \6 D9 w- J: A8 b! ]9 W
3 B" ]7 V( w( ]& G& @8 x. ^Section 60 Electrical Communication Systems5 L& U2 T' L2 ^
General% n" x2 ]- G$ R4 V( h% J& o
60-100 Special Terminology
$ D- _: `/ j% ?/ e, A! t, OProtection5 A8 W+ Z" U2 L' C6 ]; @& {
60-202 Primary Protector Requirements( K% O c0 X3 q
Inside Conductors
0 s1 O# i" u6 P8 a7 ~60-308 Separation from Other Conductors
3 `5 v P$ a/ T5 z; w3 i8 T* _- OEquipment$ ~- e/ Y2 I0 `6 |; R
60-404 Exposed Equipment and Terminations
. h. P7 j' I' ?; @* u, ]- y0 tUnderground Circuits
?; x+ @6 {, {0 z- u* Z60-600 Direct Buried Systems) v4 U1 @1 @% s( s u- S; |
2 h' D' |+ w: z t. K* JSection 62 Fixed Electric Space and Surface Heating Systems
f0 n% k4 Y" \9 X; h2 g! QGeneral
4 W5 v, d! S- A62-102 Special Terminology* Q2 v" x4 s- u8 f
62-108 Branch Circuits3 b# s% @6 z! _6 v7 q4 t
62-110 Installation of Fixtures
, m9 n B& N; d( t; O( N! @0 L0 x6 p62-114 Overcurrent Protection and Grouping (Appendix B) (5)
* s2 U i7 l& t; C6 D62-116 Demand Factors for Service Conductors and Feeders (2)
6 I T. i. {2 N9 f: v2 e, i62-118 Temperature Control Devices v. w( t% `& V( D
62-122 Installation of Series Heating Cable Sets (4)(7)
% W9 Q* }: Q1 X$ X" S% ^! nElectric Space Heating Systems! J9 w3 R& `) P7 k% l# J& w
62-202 Temperature Control' _0 w: J- ^1 D- y/ x* ^" }
62-206 Proximity of Other Wiring (Appendix B). q" ^6 _: K- e- z/ \* N0 {% a
62-214 Installation of Heating Panels and Heating Panel Sets8 [! E; |( @4 S5 e
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
+ q7 B) E2 c& x8 H# `' G. \2 [3 t62-226 Installation of Under-Floor Covering Heating Panel Sets
% W! }7 t! p% }9 w( ~# W" h4 i7 UElectric Surface Heating Systems
1 \5 S' s- I1 U+ F) y: ^' o62-306 Heating Cables and Heating Panels Installed Below the Heated Surface% L5 M+ C3 A4 I I5 k! [
" q3 u; h {: H# h! d* g% XSection 68 Pools, Tubs, and Spas
7 Z7 w$ }% Z1 G* _( PGeneral8 g: H! g2 l4 I3 z$ u* Q S! M
68-050 Special Terminology
% b8 z* p, y7 h6 ]( D0 ]68-056 Underground Wiring - Table 61$ q1 h# r3 e8 w3 s$ Z
68-058 Bonding to Ground (Appendix B), g& P* A$ N& B ^9 Y
68-060 Junction and Deck Boxes (Appendix B)
7 e. S, d2 ?6 z9 S+ w: I% S6 y68-064 Receptacles% \! ~4 I8 P$ B6 l8 V+ k
68-066 Luminaires and Lighting Equipment7 A, S6 w% n6 m9 @- ^1 o- l, ~
68-068 Ground Fault Circuit Interrupters (Appendix B)
/ ^3 @7 J# b" a8 M. \9 o% ?
( K, B# W- @, cSection 70 — Electrical requirements for factory-built relocatable structures and
. A, e0 G: C6 i4 o8 p. ~+ P h. ynon-relocatable structures/ u3 L- _, ^+ e; N
70-130 Tests (see Appendix B)$ r2 O+ G6 W& E6 K0 ]
1 u- X: q1 b: I- V2 A" j) q2 f
Section 76 Temporary Wiring (Appendix G)
r# N' t# J3 q* R7 S% q) G76-004 Grounding
% e" _" y- s; R2 N. A76-008 Service Entrance Equipment
0 I5 k0 z) O$ U0 s; R: q' dN 76-006
0 N; B7 N* c) \3 D" ~/ s76-014 Branch Circuits. _1 O! x- e$ F9 D# e- @) B
N 76-012) F" w* ~' h. y8 s% M
* e" S, Y/ g4 o0 P& c8 J) Z5 e" R( K
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours8 V& h M# X4 r& x6 B) ^
Marinas and Yacht Clubs6 O. Q9 Z0 ^- B* Y0 w+ s \. l4 |
78-052 Receptacles/ r: g2 V' r V& P& O! t; X
78-056 Feeders and Services, o6 D* y6 y1 H! @* I
Marine Wharves, Structures, and Fishing Harbours; d- E# }5 c# U; ?: B. F. B7 `
78-106 Grounding and Bonding- F e5 T( u9 b2 J6 [. P" Q
Tables
9 C- k. a* X# w1 c& C; m1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,657 ]/ R, w9 _; M
7 L; a5 o! t5 @2 L# b) v) K) lDiagrams: 1, 2, 7, _* ?9 n$ r+ u8 k4 [
9 W1 ~) B2 j8 C) V% V( m9 _Appendix B
; D+ @' I( c( ]4 ]+ f8 |P352: Ground fault circuit interrupter- 6mA
; w7 v6 A) g" u# U, d8 Y) ^P354: 2-126 FT1, FT45 ~% Z0 [1 V4 b+ w: k% z) x
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)2 {9 U9 j0 k- c P) ^
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1), Z) o) D8 _, ~4 ^, J: s# k- x. _
P370: 12-1012, 1118, 1214 Example:
2 A# f* r$ s* f$ @. m- G' FP371: 12-11085 O) K/ B; W0 G' E( M/ U L7 m
P381: 18-108(1)(b), 18-158(1)(b)
" o1 U; L" z' S$ F3 v/ p- IP386: 24-206
' C' O# I# E+ @- o; ]' R/ BP389: 26-2564 w; j# L+ f, r, x1 Y+ @+ l% n0 ~4 U
P391-P393: Section 28, Example to determine Motor Conductors and Protection6 e7 c" Y& | r! S6 L" A% u
! r% u. \, C5 c; ]5 R5 k+ e
Appendix D/ B! A4 }- [& y% C
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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