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Canadian Electrical Code Review Guide& D r* L0 Z4 C+ `
For the Exam of Electrician For Red Seal License) ]: F4 K. z ?0 J2 p" Y, ~2 B& v
5 d9 {4 w) o( k( J# Q- H. ?0 o+ DLesson One
1 c9 [- G1 a$ j5 A' aSection 0 DEFINITIONS' M/ J y' {3 _* D
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:1 W0 N+ S+ Q2 P; U- g
Accessible as applied to wiring methods3 w1 _5 T( S j: b0 e% @: x
Alive or live
$ p- A6 @) f' tAluminum-sheathed cable
! D) H* `) B; s0 IAmpacity* e/ D* V; y/ h ~* \) @
Authorized person1 P8 z+ b. p7 A# P) p! l/ W
Auxiliary gutter: b, N+ f: K) P" B+ ^- L
AWG' H/ a m: f' A) `
Bonding) a/ W! r( K- A1 B. z$ O, m
Cable tray
: Z: K' }/ f+ \# w# j7 u* {Cellular floor
. }% c3 e5 c, n9 j. C& H Z3 PBranch circuit( B2 L/ A; v0 E5 x2 w
Bus6 |% h7 J0 k, q
Busway
4 N" z3 N" ~6 n. G& ]6 bCommunication circuit. e4 d( k% Y( k
Extra-low-voltage power circuit
+ s7 ]! p8 x$ o" |Low-energy power circuit5 ?7 Y0 g! D. j& t6 U- L
Multi-wire branch circuit
; I2 w' }* ~ u' J3 `Remote control circuit
. l' F& w- p$ V8 [Signal circuit
6 O5 |9 M [; |Circuit breaker" Y( G& U# l* I; d `
Instantaneous-trip circuit breaker
) I, X; S8 U; [1 `! aConductor
[) V. `1 S. P9 bConduit
6 b. R P, Y* u6 q Flexible metal conduit! f2 X$ S+ ^, s2 m2 o
Liquid-tight flexible conduit
8 X; l( [3 z( b9 v. l, _ Rigid conduit- a! j( e. R' B/ |& h
Rigid metal conduit
, f' v6 f3 I+ {- r! Q2 Z3 t Rigid nonmetallic conduit) u& {1 ~0 @# H g* d% i/ o" S
Rigid PVC conduit( \% ?/ p2 X* V. y% S' a- V
Connector" _" w u1 M5 L& `
Box connector' I: b% M' F- h+ D" s3 t- {: v7 }
Wire connector) o- E2 M5 w2 O5 Q2 j0 I
Controller
$ X8 k& H E# i+ eDisconnecting means) W+ s$ ^7 l& B! \3 x
Dust-tight
[) P3 H8 I) Z2 b3 u5 A1 h4 bDwelling unit: N' L7 m3 i; Z9 v; @2 g
Electrical contractor0 c" T; H2 I9 Q8 r
Electrical metallic tubing
7 p4 g' X) m" z" h5 v) CElectrical nonmetallic tubing" @, N2 k/ P% Q$ D( x
Emergency lighting" y8 R1 s( v5 V/ u7 U" L8 B
Explosion-proof
8 E7 l0 [% o. G5 h- ]: e5 G& RExtra-low-voltage power circuit
+ i6 B( s& c5 O' i% cFeeder
2 ]6 r. B$ [1 AFlexible metal conduit
$ x1 y) c8 \! Y+ Q' c8 J) _Ground
& S7 b9 P1 `+ V; AGround fault circuit interrupter! H5 S' L4 l; k5 h# d
Grounded9 \( k) J+ e' Z& Y; k+ V! h
Grounding
& K' Q) v& d5 y& ]' p3 a3 UGrounding conductor
& r1 V( h: ?& ~! uGrounding electrode+ s- i0 d0 B1 _: e9 g V7 o1 X5 K
Guarded
. ^ v# Z" r6 a; Z# oHoistway. X' a) u2 z: f2 K, P4 z. H
Identified5 ]) N- r- x3 J/ j5 R
Lampholder1 r6 Z6 t$ H o i
Low-voltage protection, p! b2 Z" h" h' A
Low-voltage release- c& Y3 k+ K6 v/ a' H' Q" c
Neutral# d. E8 U% x* P6 Q4 \. g
Noncombustible construction
+ d! A i. w3 O# g6 ?# ?Outlet1 x" x Z, j) e) x; q2 r
Outline lighting6 o% T$ k) o' V3 h- S
Over current device
' E. T2 N# N& _ p% L" e, OOverload device7 n2 Q% O7 y' }
Panel board
5 b0 X& [/ v* M2 x' }4 hPanelboard, enclosed% i! U& n9 c* w2 c: d7 v
Permanently connected equipment
3 Q1 G5 g0 n4 X2 G2 l0 qPermit* I" ?0 i3 A9 X' q& v& _
Plenum1 s' s+ i* V$ J8 B/ v: O9 o! D0 g
Portable as applied to electrical equipment
9 X' @+ u+ l4 _$ R- n" ~ d' PPortable ground fault circuit interrupter/ u6 Y1 O/ c1 V/ X* i
Power supply cord
; C. |. u% [2 J' t. fRaceway7 v$ V4 e" d; S
Receptacle" w2 _5 j# S, U2 L4 t; D
Duplex receptacle
4 a. F. q. c# W# W0 P& ] Single receptacle
# x- \$ M4 G$ I) ?. Z4 J* L9 Y Split receptacle: n: x2 `9 f' q$ p* p
Service, consumer‘s
+ W) m$ C t/ t4 [8 {Service, supply9 A* ]$ }4 [/ z2 `, f7 l
Service box$ t, f2 S9 ~* W1 ? z
Service room" M2 C5 W1 s5 p1 Y2 i6 D3 P
Single-dwelling; `- p, K I( K- o' F/ G" R
Slow-burning as applied to conductor insulation
2 L9 I0 V; Z+ Y0 \ R1 a/ ]) V6 OSplitter+ ^& T+ J& U u9 c" F$ g' d
Starter; `- k! z( R7 D8 d
Switch9 \; n0 h7 S! T! y/ r% }" r
General-use switch
9 O" r( k: H( W; V& R' |0 w- H Indicating switch
( _. p9 M$ H; a8 y' ~. C+ h Isolating switch
) I/ f x3 A$ y" B6 t Motor-circuit switch
: n5 s4 L' b# x3 S) `4 ^8 ~System+ u4 @5 t* V, i( }
Communication system& ?* B% z# F) s1 Z# d
Community antenna distribution system(CATV)( L0 `# ~) ^- L, Z z% ^6 ?! N
Grounding system
0 J& m# W1 t2 e9 U+ j8 sUnderfloor raceway
. H4 @1 G3 y- p+ t( bVoltage:
/ U# D1 J) ?5 k U0 ^ Extra-low voltage+ {& E) t2 c# f" Y& G1 Z
High voltage
) C# i, U* i* y! v \2 d# q Low voltage
/ D# t& [2 r8 F- @) Z3 DVoltage of a circuit
8 r/ k. Y# s% p3 f5 H" r( }Voltage-to-ground$ V1 L2 }+ Y) f
Wireway, W; }- I* I$ o$ `% `4 G
* W$ g K( r1 PSection 2 GENERAL RULES
+ C Q7 l* L/ D. KAdministrative( L$ Y. C$ S5 H" H |" ]
2-018 Reconnection
4 w) x5 B" W' E+ W/ T- Y; ~2-030 Deviation or Postponement
w; Q6 v- w3 c" D2 e5 X5 RTechnical General
" \2 x+ \) | d" w+ ^0 p) Y2-106 Circuit Voltage-to-Ground – Dwelling units% @# r# S! M( |
2-114 Soldering Fluxes R1 y$ e8 W( z/ L2 \* ~) g9 w+ z
2-116 AWG Sizes of conductors
2 `9 X$ L0 S" P9 x8 i2-124 Fire spread (see Appendices B and G)0 A' {, n. c# M1 e$ S. E% t
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
* l7 h" V) @& E; Z7 JProtection of Persons and Property
1 V4 a7 X T1 V8 W8 ?9 E6 P( [" q6 z2-202 Guarding of Bare Live Parts' v% k8 b; u. q& i1 p: I' r
Maintenance and Operation& P8 @4 D* y( w. F% j
2-304 Disconnection
4 \! z5 l$ Y% }$ [6 M7 i+ I2-306 Maintenance of Live Equipment
* M m' y T& D1 }: FN 2-306 Shock and flash protection (see Appendix B)9 h# J& u, t3 i8 C# Q( u! \
2-308 Working Space About Electrical Equipment: Table-56% w/ h% {7 A: k3 }
2-310 Entrance to, and Exit from, Working Space6 j& d/ _2 ? M4 B1 B, c
2-320 Drainage7 Z6 Z8 B5 K' n: B9 v# L
2-322 Electrical Equipment near combustible Gas Meters and other Devices
! ^- _: z2 R7 J7 D8 _Enclosures
! ^- {& r* c$ u# [8 O$ ] O2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
6 v; U! V) x$ q3 f: {: N2-404 Marking of Motors: DP, WP, TE0 j: t3 _+ o% R6 D; c. z
: Z, O, x' P: p; [" k" d0 X! i
Section 4 Conductors5 w! x. S" o8 O9 T: y( n! ?
4-000 Scope
9 T0 S; G- ?( P X! n4-002 Size of Conductors: 14#, 12#5 K' n, v, H) p- g5 i
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 365 J. R! f1 f* L( i( z( ]
4-006 Insulated Conductors: Table 199 Y0 ^6 O$ v$ q3 h3 @' E
4-010 Uses of Flexible Cord: Table 11
% _6 i4 [( i1 K' `; F! y# Y4-012 Sizes of Flexible Cord# O* x$ B5 x, T6 Q9 r8 c
4-014 Ampacity of Flexible Cords: Table 12) ?4 h9 ?9 R1 h! F3 I+ e- |
4-018 Equipment Wire
) X0 w9 M, g/ h* w4-020 Insulation of Neutral Conductors2 k( I+ S0 M8 K) g% q6 u
4-022 Size of Neutral conductor
4 U; D; o) f$ i4-024 Common Neutral Conductor
' c+ V' z6 l9 p3 w! y% a+ _! A) S4 n% J4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
/ B2 ]" i- f$ s& Y, S4 A4 N; P3 P. k# Z4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum( V' _& e' ]" ~
4-032 Identification of Type MI Neutral Conductors2 ?% E, G$ e- ~! z
4-034 Use of Identified Conductors6 e8 w: B3 F- U+ |/ W" D
4-036 Colour of Conductors: Phase A, B, C, …
[6 u0 C3 u5 i0 w$ L
@ H. z: q! c: O5 S8 GSection 6 Services and Service Equipment
. b9 a' [3 b$ ?8 u" d% D. h" jGeneral
# |/ M; c2 [) q) r4 V6 r3 X6-102 Number of Supply Services Permitted
6 i7 Z* c `/ C% ~. J6-104 Number of Consumer’s Services Permitted in or on a Building
* g, l' \( t& u$ g f% u. a7 k7 x6-108 Supply Service from an Electric Railway System
+ i6 p4 o( {" F- ?2 h6 n3 M* g# K6-110 Three-wire Consumer’s Services & O( X5 x/ h# v' h+ d& f
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors% d: y( w2 A$ M+ ?
6-114 Methods of terminating conductors at consumer’s service
0 [+ n$ K* I6 s# y& f" F) X. r6-116 Consumer’s Service Head Location
0 Z5 g% f0 q6 E' J- k, r; CControl and Protective Equipment
@& C6 o; S+ k; v) t; n6-200 Service Equipment
8 `8 D# f0 o+ ^/ d6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
8 w. V8 }$ M8 ^1 E' H% L4 E6-208 Consumer’s Service Conductors Location8 b: I5 v: u X- D/ G9 ^
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
$ h! n' N5 M" d! D# `( Q/ I. A: u6-212 Wiring Space in Enclosures6 t% G7 b$ A( T, _ o
6-214 Marking of Service Boxes% s$ h$ z3 r6 k3 t* r
Wiring Methods# r; i* Q8 N6 A* G! @5 J5 h7 O+ G
6-300 Underground Consumer’s Services
; e# K) O1 r- V9 l: s6-302 Overhead Consumer’s Service Conductors
& I" ~% o n* b7 M6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable- [/ i! i- v+ ?0 C! R- n$ }% ^+ g4 K
6-306 Consumer’s Service Raceways4 S$ u r9 X- u
6-308 Use of Bare Neutral in Consumer’s Service- U& R4 U- h6 w6 ?
6-310 Use of Joints in Consumer’s Service Neutral Conductors
& X- M* R3 J5 K) X9 L$ }% S6-312 Condensation in Consumer’s Service Raceway
' |5 `/ \7 q3 r d& rMetering Equipment& P+ n+ t9 o1 U7 |0 w, s
6-400 Metering Equipment+ [' X! Q0 I% C4 o+ z/ W
6-402 Method of Installing Meter Loops
8 w% W- V# v8 H" s" e$ U6-404 Enclosures for Instrument Transformers
! ~1 W0 m/ n- I( |% i6-408 Location of Meters
( R3 {* Z9 [+ D+ O4 V
; w/ u; K+ f1 x+ W, }& ]$ f6 z) dSection 8 Circuit Loading and Demand Factors
" L! \ f" @4 X% r- {General& Q, x# X1 {- t" ^
8-100 Current Calculations+ x9 ]. Q% x% L# {6 w' r
8-102 Voltage Drop ( see Appendix D)7 H5 r a% U# [9 U
8-104 Maximum Circuit Loading# s% L B% f0 D7 G
8-108 Number of Branch Circuit Positions
/ T+ c9 |" H3 L1 Y! N7 F) y8-110 Determination of Areas6 r( m T9 y) Z' I3 K! \6 k7 \
Services and Feeders
- U* }- _' ^- Z8 |2 k2 Z8-200 Single Dwellings (see Appendix B). l, c5 I3 g0 `, q! I% N
8-202 Apartment and Similar Buildings# b! h2 i. r* Z! o
8-204 Schools' Z c+ V+ ?6 i3 T8 C) b
8-206 Hospitals# t& |' u4 e1 p5 `6 Z- |) v
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy+ S, W/ q7 K. C( u4 A! ?2 @
8-210 Other Types of Occupancy (Table 14)
. o$ o; F2 v# a$ V8-212 Special Lighting Circuits
/ z: r* D0 w! b! a6 g+ D; E; ]Branch Circuits
% V: \4 ^9 e+ W3 c! p$ C y+ a8-300 Branch Circuits Supplying Electric Ranges& k+ e1 X) i0 b$ S; F
8-302 Connected Loads8 x; \1 |4 l( k% w0 d' _/ a
, |% N5 ]# S: s: D; J6 N1 }0 B
Section 10 Grounding and Bonding
3 k& t# h' ]; e1 C5 W" B2 E/ JScope and Object% |% c4 {6 \5 {) n% v: b
10-002 Object1 p k) W# y" Q. {
System and Circuit Grounding
) [6 s* X/ a F8 [10-102 Two-Wire Direct-Current Systems i- ? N1 N+ [. V! T) Q& F
10-104 Three-Wire Direct-Current Systems
# E& F- }$ ^/ L* r& ~ b" R/ x10-106 Alternating-Current Systems
6 ~# p5 a+ X! b: u4 Z10-110 Electric Crane Circuits
3 f4 X) g0 H3 A }6 l( S0 W10-114 Circuits of Less Than 50 V
. [3 y- D2 Y3 I2 z10-116 Instrument Transformer Circuits
% D' P! E7 H0 k" P. z* qGrounding Connections for Systems and Circuits
- c* S5 C' n1 |# ?6 j1 k10-200 Current Over Grounding and Bonding Conductors
: j6 a7 d- U% n$ y10-204 Grounding Connections for Alternating-Current Systems: ^1 C; h& t2 T8 q: i
10-206 Grounding Connections for Isolated Systems2 `1 }& k# { a; m% I
10-210 Conductor to be Grounded- {7 B% w- ^, G' L1 C
Conductor Enclosure Bonding5 M. p6 U; {% ]( F+ a N& ~
10-302 Other Conductor Enclosures
. D: u" U- m* N! L; |, N+ R8 J- Y& NN 10-304
3 W5 y/ D. u3 ^/ @; HEquipment Bonding4 ?5 j! v, Z# |' p
10-400 Fixed Equipment, General
: u6 e1 [; n9 T! R10-402 Fixed Equipment, Specific (3), (4)% @+ r2 |3 N2 ^8 u% j W0 d
10-404 In Nonmetallic Wiring Systems3 z% f0 E) S( G& k+ r! d
10-406 Non-electrical Equipment
" ]& O8 A) Q7 x* X8 \8 m10-408 Portable Equipment (4)(b)
7 C* i3 j# T& o$ l* ~$ U# E10-410 Instrument Transformer Cases
* U4 F7 l0 b. L$ }: H2 C4 E' }& y10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less' ?1 r& p+ |+ a, D# M
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V- M6 _6 T8 T9 K; j
Methods of Grounding/ \. v7 z, C) |6 v6 L; w5 _5 t
10-500 Effective grounding (see Appendix B)5 O( s6 [2 d2 B4 x" \6 ^+ D$ x
10-502 Common grounding conductors
9 a, e4 v( q. Y, `, `5 ^10-504 Common grounding electrodes" G* b* B$ {2 I# w" I" B1 x7 n! i
Bonding Methods; z4 ^! h* @2 s
10-600 Clean Surfaces
' ]0 E2 b- d4 m1 u; R10-604 Bonding at Service Equipment
) i- A; w ~( H% f- g o e10-606 Means of Assuring Continuity at Service Equipment' Z7 n" t* y: C) Q2 G- K+ M/ S
10-610 Bonding at Other Than Service Equipment0 x' _ Y2 r+ B6 D! M. ]
10-612 Loosely Jointed Metal Raceways
, y5 J/ c3 q" v1 t# [7 j10-614 Bonding Jumpers Table 41
& Y! ?) W2 z+ d' R; m0 h% K; E- BGrounding Electrodes- G# |/ @# ^- G% [
10-700 Grounding Electrodes
) z" o- @1 X8 P- ]10-702 Artificial Grounding Electrodes1 r1 `/ K' X5 v
N 10-700 & 10-7022 G4 r; A6 t- ^* b5 B' a7 ^0 t
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)* }" W! N1 o0 `5 y8 z- S
N 10-702
& Y8 F6 ~$ v6 u' q7 x; ?$ d10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding9 ?: t, Y4 W# J* |' B! \ a- L: X
N 10-702$ s, c7 X8 h+ k5 R6 G
10-710 Use of Lightning Rods (Appendices B and G)4 w# J- c1 o/ H0 b4 i3 Q* ^
N 10-7066 d) @, H+ @) X) J8 N4 w
Grounding and Bonding Conductors
# C6 V5 ~7 V! R/ n10-800 Continuity of Grounding and Bonding Conductors
0 w- E9 j R& c% [- f' H1 F10-802 Material for System Grounding Conductors3 Y D1 } `+ G, q" a% K
10-804 Material for Bonding Conductors6 @) o( D, {3 o% l: T1 |% \
10-806 Installation of System Grounding Conductors( }1 D0 V6 a+ l1 w& k8 e( J! z( T
10-808 Installation of Equipment Bonding Conductors, g6 j- N, U G
10-810 Grounding Conductor Size for DC Circuits
; j1 S3 ^0 X: S9 D( f10-812 Grounding Conductor Size for AC Systems (see Appendix B)8 g$ l2 P' ?1 [- n
10-814 Bonding Conductor Size (Appendix B)
" z$ l; ], o1 {10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment1 T0 p5 {- D* ]
10-818 Bonding Conductor for Outline Lighting0 X S F% n7 M6 |; D5 d' V; n
10-820 Bonding Conductor Size for Instrument Transformers# b) c- m3 E5 q
Grounding and Bonding Conductor Connections& P/ z9 c, t5 z* F
10-902 Grounding Conduct Connection to Water Pipe Electrodes! z0 Q) U$ I" r
10-906 Bonding conductor connection to circuits and equipment
. ?7 l+ N! V* @/ o10-908 Grounding Conductor Connection to Electrodes
: j N) E, C6 L2 O I0 Z( Y- f; JLightning Arresters( Q0 [% c/ ?% n% R0 H2 z
10-1000 Lightning Arresters on Secondary Services – 750V or Less
" D4 z0 U, F6 k
9 ?8 |% y h$ ?Section 12 – Wiring Methods
, L; i6 X' k3 d3 IScope
3 u, K4 }* X. H4 I12-000 Scope (Appendix B)6 t4 `. m5 l! U
General Requirement( }' G4 g6 }' o
12-010 Wiring in Ducts and Plenum Chambers
5 u/ N7 |2 k9 N1 A' w12-012 Underground Installations (Appendix B)! O( m$ f! x/ N) {
12-016 Lightning Rod Conductors
* P5 W/ v5 n3 g9 t1 h# NConductors - General
4 u! m; b1 K5 |$ E( \12-100 Types of Conductors (Appendix B) Table 19
# P; W9 k# n* g& Y" S12-102 Thermoplastic-Insulated Conductors$ `0 w7 N6 g) `) D* ]. i
12-104 Flame Tested Coverings; l0 Z7 p9 m6 b3 \- N" h i
12-106 Multi- and Single- Conductor Cables
; U! k4 I5 \3 H" G0 c% d$ w12-108 Conductors in Parallel (Appendix B)
6 A8 S% q. A. i( Z; i+ H) c: |( ~12-112 Conductor Joints and Splices# c; i* u& m7 ~& Q+ k& [
12-114 Ends of insulated conductors
0 |4 m Q/ c& I' i% W12-116 Termination of Conductors (Appendix B); J3 D8 b9 ~( }& D2 E, N! e
12-118 Termination and Splicing of Aluminum Conductors
Y1 ], S( r3 H12-120 Supporting of Conductors - Table 211 f. X% ~7 X% t6 X/ n' T: m, X6 k
Open Wiring1 N% i! k0 J9 d* \2 M+ F
12-204 Spacing of Conductors% z9 D; n: O4 r1 J
12-206 Conductor Supports( a3 M6 D* }2 I& u
12-208 Conductors on Flat Surfaces4 k7 P* b6 R& {! D% y
12-212 Protection from Mechanical Injury, c: S1 ]0 ]' S5 a: n! {
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises4 p% g% p3 g- s! Q3 \4 L" d! K2 l, b
12-308 Minimum Size of Overhead Conductors R) g8 W2 \& A
12-318 Use of Neutral Supported Cables* `0 C, P7 y- |$ d1 o- Z( u0 f
Nonmetallic Sheathed Cable. e6 S2 \+ c. z
12-502 Maximum Voltage3 ^) h8 w3 C, y! _
12-510 Running of cable between Boxes and Fittings (Appendix G)
: q& @( P9 e2 G12-514 Protection on joists and rafters+ {% G: o ]3 V/ g; t: M# e
12-516 Protection for Cable in Concealed Installations (Appendix G)
' H) u; ? p. o+ z" k6 Z ]12-522 Where Outlet Boxes Are Not Required4 m% [- a: [7 J' v
Armoured Cable
; ~& K, b7 Q- }12-602 Use (Appendix B) Z* N* n6 t' [2 z$ F& J
12-604 Protection for Armoured Cables in Lanes' D4 `4 @" d5 {7 Z
12-606 Use of Thermoplastic Covered Armoured Cable
1 C2 E$ F+ a- n+ G8 k12-608 Continuity of Armoured Cable
2 v" j8 U+ a! O8 l1 Q3 J8 H; F12-610 Terminating Armoured Cable
3 V( e i0 C( Y8 I: S2 b/ ~12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
+ l4 K1 z0 f& Q) j12-614 Radii of Bends in Armoured Cables+ D2 V" @/ H4 F- R
12-616 Concealed Armoured Cable Installation
" d: z8 n( E0 ] j; q* o9 n12-618 Running of Cable between Boxes, Etc D3 y: w% z! U8 M: D# r5 t6 V8 _
Mineral-Insulated and Aluminum-Sheathed Cable+ y1 A' h" } D4 d9 `2 ]; r
12-702 Use
; A2 G& r( }% _; _12-704 Use When Embedded
; J+ A9 x" ^/ c4 L4 M8 a12-706 Method of Supporting6 K% t- b: V) D/ Q
12-708 Direct Earth Burial1 ~3 R, o% A5 h, X8 y, h, O
12-710 Mechanical Protection( |3 @0 m6 M# w; D5 K) o! {1 F% M
12-712 Radii of Bends6 A0 B. d" M. O2 V% u" j, w
12-714 Termination of Mineral-Insulated Cable (Appendix B)5 T! a* X( j0 \' K' |
12-716 Connection to Other Forms of Wiring
% d, C9 H% Z7 ]- q7 H @# v! iFlat Conductor Cable Type FCC
/ s( s0 r8 d( f, M: J12-804 Use Permitted+ U, {# Z1 x) l7 W* [, t
12-806 Use Prohibited
& T8 y1 g `5 g( n/ X5 e% Y12-818 Anchoring }5 R& }. r; h5 Y6 s0 }! N
12-820 Crossings6 {% l C9 y7 r
Raceways - General/ y$ X: D4 ^9 ]
12-904 Conductors in Raceways
% d/ d& d6 a6 C$ i p0 L12-906 Protection of Conductors at Ends of Raceways
) `8 b; q( {0 r& l& V; O2 j& S12-908 Inserting Conductors in Raceways- z" `7 c+ p F
12-910 Joints or Splices Within Raceways* u/ S2 @8 e5 x! W
12-912 Stranding of Conductors+ X$ i; C$ ]$ Y S$ O
12-914 Electrical Continuity of Raceways
2 z0 B0 C; t) q12-922 Radii of Bends in Raceways! `0 X9 Y. G. g+ V1 P. \
N 12-922 Radii of Bends in Raceways Table 7
! `$ q8 G. J8 U) m9 ?& {12-932 Protection for Raceways in Lanes, u E, W: U1 d
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
3 k, v" Z o/ Y4 h- X# Z12-938 Capping of Unused Raceways
& `& Y% P+ N \6 u8 a0 H" N12-940 Maximum Number of Bends in Raceways0 E; D0 C7 g, x+ V# a' B- f
Rigid and Flexible Metal Conduit
Z* i3 W1 y- Z5 U0 `12-1002 Use
! h' O0 }1 O5 z2 L' @% S12-1004 Minimum Size of Conduits% p/ t( O9 i4 F" m5 H) f- O
12-1006 Conduit Threads (Appendix B)$ y# I- g: a0 Z1 [; l, E* }
12-1008 Thread Engagement
- @6 B W3 O& |8 o/ L1 K6 P12-1010 Maximum Spacing of Conduit Supports
8 X1 B& T/ w3 \! ~6 F4 B12-1012 Expansion and Contraction of Conduits (Appendix B)6 S" R4 a8 M) `. t7 ^/ ^
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
: ~ n; n# j0 W; VRigid PVC Conduit and Rigid HFT Conduit
2 H# U. ^6 H2 ~9 K) T# v12-1100 Use1 J& ^6 [5 Y/ g# L a
12-1102 Restrictions on Use$ ?3 F9 e( t( f- f3 H. |
12-1104 Temperature Limitations (Appendix B)+ W0 f5 t' G" @* e, T. C, G) D8 K
12-1108 Field Bends (Appendix B), (2)7 H' x! s$ b7 @" t' G9 O2 a
12-1110 Support of Luminaires
& [, j% M+ M: |8 R9 I4 ~( M6 d6 B12-1112 Fittings9 k, a1 ]1 k* u7 N2 |. K3 u
12-1114 Maximum Spacing of Conduit Supports; H: C1 `( d: J; k) @, l
12-1116 Support of Equipment# j/ W: o7 v! k' K
12-1118 Expansion Joints (Appendix B example)
. Z! a+ T7 T: JRigid RTRC Conduit: S3 ?* ?# h6 [* n
12-1210 Temperature Limitations
- D3 U9 C7 \. Y' I% u12-1214 Expansion Joints (Appendix B)! |) h% _5 V1 T/ V$ X m: i! D
Liquid-Tight Flexible Conduit4 V5 b z8 q$ P; U
12-1302 Use of Liquid-Tight Flexible Conduit
$ t9 {/ i4 y' o+ |12-1304 Maximum Number of Conductors
6 h/ j7 n3 r( Y8 M3 F12-1306 Provisions for Bonding+ L- b' }8 j: z+ l: L! ?
Electrical Metallic Tubing
' `# m l7 Z: V9 K- j- l- |12-1402 Use
! J8 i- m8 t9 H/ z: O12-1404 Supports% D" ~# Y+ U# Q6 K- y3 B
12-1406 Minimum Tubing Size- i$ _0 l& [; ]+ L
12-1408 Maximum Number of Conductors1 W5 C0 A R2 c& ?5 x4 D+ [4 x7 V& V
12-1410 Connections and Couplings
) ~% o' _& H# z6 C2 A4 ]$ Z12-1412 Radii of Bends in Tubing! C2 y( k+ \4 e& ^. N0 i2 d
N Table 73 \. t* q# l4 R: g% S
Electrical Nonmetallic Tubing
G, Y; V0 o& T K2 R6 M12-1516 Provision for Bonding Continuity
$ h' U2 f% g1 D, k, {N 12-1514
6 n* k% y% {8 r$ MSurface Raceways
* C7 i4 S+ [3 a) p8 }9 n12-1602 Use of Surface Raceway (Appendix B)
& q% H; a1 S c9 }6 `* }12-1604 Temperature Limitations
7 H4 o6 ?4 R0 g) w! z12-1606 Conductors in Surface Raceways (Appendix B): _6 x2 E2 F) D @! W& G4 E
12-1608 Maximum Voltage
0 _- T$ H. k5 J8 S' d# K12-1610 Joints and splices
/ u8 x) {* S! K# B. ^0 ^* iUnderfloor Raceways5 ?, P6 o6 G4 ^* C" ^2 s& ?
12-1712 Discontinued Outlets in Underfloor Raceways
8 K9 K2 _: k$ @1 t- ^0 N% A# BCellular Floors: t" w% Y I9 B# v
12-1804 Maximum Conductor Size in Cellular Floor. w3 C- B. R6 j- i- Y0 e
12-1820 Cellular floor discontinued outlets/ Y6 g# W$ v! y# z# x3 i A
Auxiliary Gutters3 t. R0 O, K5 _/ M
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
* E* c$ A/ h- k3 `$ i ~4 G12-1902 Auxiliary Gutter Supports8 y4 S( ]8 B4 a. k. N7 Y9 w
12-1904 Auxiliary Gutter Cross-Sectional Area
% ]3 N# d; y9 N5 w% MBusways and Splitters. K% X) ^. d% R/ _4 [# i/ }' Q
12-2004 AC Circuits in Busways and Splitters
3 K3 ?. A3 |- P12-2006 Busway and Splitter Supports! u! g* O1 y. V9 R
12-2008 Method of Installation of Busways
6 J6 Q, q0 k7 J; x5 v8 L12-2012 Reduction in Size of Busways9 \8 ~" C2 [" S; ^
12-2014 Length of Busways Used as Branch Circuits8 {& I' ~: f1 x% l! s3 i
12-2018 Taps in Splitters7 ]0 j; Z( O+ L S
Wireways0 f1 C. s h6 v0 N! w7 \
12-2104 Conductors in Wireways
" q5 J1 R9 |8 F$ E- O8 n( \12-2106 Taps and Splices in Wireways
) y( Y, [5 l9 A0 e) @ Cable Trays+ p U; J- ^$ e1 X2 A7 {
12-2200 Method of Installation (Appendix B)
+ Y R+ n% Q( N7 L* o# q12-2204 Joints and Splices Within Cable Trays% h1 B; n( D! }/ }* f
12-2208 Provisions for Bonding
8 t a; R: K6 W. ]12-2210 Ampacities of Conductors in Cable Trays
9 C5 g1 @, x0 [/ w" o p5 R# B& xInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings. M9 a: ^5 f. h: C. e4 U- N
12-3000 Maximum Number of Outlets Per Circuit
9 f( x1 ^8 U" o# _- i3 J9 t+ j" iN 8-304% b2 d( R. o) X
12-3002 Outlet Boxes (Appendix B)) U/ P5 n) G) z
N 12-3000
. @) `6 x6 ]! [( |' Y12-3004 Outlet Box Covers+ Q4 d! A1 [ t" P
N 12-3002
) `) W1 t0 R( R8 P/ U' s9 t3 v, I% |12-3010 Boxes in Concrete Construction
4 K, j3 ]3 C# e7 `- J& VN 12-3008# s1 T9 Q N1 h2 G; M
12-3012 Outlet Box Supports+ {' u2 l9 y" e4 w/ o
N 12-3010( I9 E2 `$ F$ b; @1 `. g: G
12-3016 Accessibility of Junction Boxes; d" W; Y; P, A0 R
N 12-3014
9 \ N! c* l$ n/ Q* z0 Y4 M2 z' v12-3018 Flush Boxes, cabinets, and Fittings
0 V: l3 N9 g1 |1 `- I UN 12-30165 b5 E& V4 g0 L
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 2 w7 a n( A- z' t2 X) O. I) S
N 12-3022
; Z7 a1 ^, [/ \6 Y12-3036 Maximum Number of conductors in a Box - Table 23 |! T' K6 f% ?5 B6 n$ h
N 12-3034
! w4 O" e0 r; z12-3038 Pull Box or Junction box Sizes4 l M! w) N/ Z8 G& n0 l
N 12-3036: i* A$ l ?6 {& G5 o1 p
1 Q1 @# R/ l2 L9 O! z# s
Section 14 Protection and Control x% d2 ~" o8 e8 r
General Requirement q: y+ a7 l" O3 k
14-010 Protective and Control Devices Required: L8 K! N5 _# z8 F, Y
14-016 Connection of Devices9 F) \, D1 B9 A3 q3 W/ s/ d
Protective Devices – General: x" E5 z% p% h H6 [" k
14-100 Overcurrent Devices Required9 p% E* _) |* o6 k& a& q
14-102 Ground Fault Protection (Appendix B)1 W0 R0 i4 Y- W# y. m% Q' M
14-104 Rating of Overcurrent Devices (Appendix B) Table 13$ j, [2 ~4 X+ S3 T. \7 S
14-112 Overcurrent Devices in Parallel& G. F, |1 l5 b- P- L
Fuses
6 l/ I: [/ ?; ^, w4 |, h. G14-200 Time-Delay and Low-Melting Point Fuses
) {! h' t' n/ S: Y1 Q$ n14-202 Use of Plug Fuses
! h" a2 J9 e9 x# j7 b% z: h: A, [14-208 Rating of Fuses
3 R) z" {. s0 D9 y N14-212 Use of Fuses (Appendix B)% [: m" N9 u) q: R* V
Circuit Breakers- g R. n C2 ~. a% R" l
14-300 Circuit Breakers, General
2 q. q0 i/ ~; b5 e t14-306 Tripping Elements for Circuit Breakers
! T$ U8 V" x# X6 j$ v14-308 Battery Control Power for Circuit Breakers% P- M! \, i9 d$ v& | P+ h' T& p
Control Devices - General
, a, V* [& p1 a- Y% U1 p1 A14-402 Disconnecting Means Required for Fused Circuits8 p' A# \! l& x- }' A" ^
Control Devices - Switches
, j1 L1 t' N3 W14-502 Mounting of knife Switches
3 H2 ^/ q0 l/ X8 d; e) c14-504 Maximum Rating of Switches# m5 V# y! U P( I: F
14-508 Rating of General-Use AC/DC Switches (Appendix B)& S) r$ g2 f' }! G
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)% T @. f/ b) T& S9 a1 }3 E* K9 J
Solid State Devices
5 ^2 o. [4 A& r, ^# L14-700 Restriction of Use
2 t% G, g0 |8 V5 c" I14-702 Disconnecting Means Required
% x& Q! P5 S1 \ f/ V" b4 y; ]! U# o$ H" O- m# e
Section 16 Class 1 and Class 2 Circuits
& b: \- M/ P; s; {) p4 HGeneral
6 Q1 K/ W, B' h5 W7 x& z5 Y16-004 Class 1 Extra-Low-Voltage Power Circuits
3 @5 |6 p5 z: `: m2 B" o' i! j r16-006 Class 2 Low-Energy Power Circuits
+ W# L8 O2 I4 S16-012 Circuits in Communication Cables8 M0 f: e% H0 Y, r& [' m7 `
Class 1 Circuits& K$ p6 N& M: v/ V! s' G3 _; X$ d
16-100 Limitation of Class 1 Circuits
% |" `, M9 d2 j: y16-104 Overcurrent Protection of Class 1 Circuits7 l7 X" `5 Q2 L: [8 v4 Z
16-106 Location of Overcurrent Devices in Class 1 Circuits/ T* A z0 ?6 O
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers- `9 G. i, u' w; X+ z2 l
16-110 Conductor Material and Sizes
I" W: n; j4 h7 Z16-112 Insulated Conductors for Class 1 Wiring
# S0 H6 C' o" d/ PClass 2 Circuits
. Y! b+ c- Y, ?/ J, m16-200 Limitations of Class 2 Circuits (Appendix B)9 Q( X* B" z% f2 y$ F; s+ N
16-204 Marking; a' A2 i6 h/ i
16-206 Overcurrent Protection for Class 2 Circuits! N7 Q& q, T% Q: ~% A1 p6 q+ y
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)! O! f( _0 I" V- Q
ELC: extra-low-voltage cable
6 ]0 E2 g& t" s0 g+ r4 b y16-212 Separation of Class 2 Circuit Conductors from Other Circuits/ {! s p0 H$ ]& C1 C q- n$ S9 Z
N* M4 b0 S2 c3 g, S9 B7 RSection 18 Hazardous Locations
& |. y1 D3 u( t3 f: T; ^0 \0 [Scope and Introduction2 I. W, ~! X# {* Y1 h1 J
18-004 Classification" P4 T& Z6 L' s& v
18-006 Division of Class I Locations (Appendices B and J)
* K9 x# v# {; k' L ^18-008 Division of Class II Locations (Appendix B)
3 X( u4 D8 F# z2 _& j0 `18-010 Division of Class III Locations (Appendix B)- F0 v1 x2 _+ M( G( G/ U
General
5 u- B* M! {! t |18-062 Metal-Covered Cable (Appendix B)+ Z) q ]4 H( n" r M# w
Installations in Class 1, Zone 1 Location
+ b5 p& N3 y; e1 D# y18-108 Sealing, Class I, Zone I (Appendix B)% W) s" r" V. C5 O- X; I' _7 x
a! d z# a% E0 s
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars( Z2 k6 `( z3 B K
Gasoline Dispensing and Service Stations
9 w4 r6 m; @7 ^. ]1 ~/ M* |' w20-002 General$ f- l- D. g9 l( e! [
20-004 Hazardous Area (Appendix B)
8 X/ M3 B$ p( rPropane Dispensing, Container Filling, and Storage
7 X) K1 @. I! [* Q% f! y! q20-034 Hazardous Areas - Table 63+ `7 |( e7 \( L. W( F
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
* ?3 D- `) @1 O$ o& P20-062 Hazardous Areas. r- F+ u H+ v$ ?
Commercial Garages – Repairs and Storage
6 A4 ^" I9 s$ \9 y2 d: ^& K8 \5 b U20-100 Scope
; M9 r2 o* L( Y! m% X) {7 Z/ Q' K20-102 Hazardous Areas (1)
' M% [0 i- i& _# f
1 p9 S$ W" X+ }3 T, ASection 24 Patient Care Areas& h4 g6 ]3 i( I5 h
24-000 Scope (Appendix B)+ {7 a- a, c: X/ `7 E* \0 y) ^2 {( l3 P
24-002 Special Terminology (Appendix B)
& \1 M4 s2 V$ B" s: O4 O1 F% } Patient care area
S+ R. x$ }6 ^9 Y g& k; mPatient Care Areas
2 d( I9 [% g0 I5 w# @24-106 Receptacles in Basic Care Areas (Appendix B)2 w$ D% n g+ o8 P
Isolated Systems
$ n+ d0 j- X/ l0 P2 f24-204 Single-Phase Isolated Circuits (Appendix B)
. j7 u/ ^! E4 s4 l$ X2 ]1 D24-2066 }) W( X. h0 H2 F7 A4 T& T+ k
% c. N5 T; x( y- y4 M+ Q
Section 26 Installation of Electrical Equipment( Y4 z" O. ]& J
General
. z ]) r! H A26-004 Equipment Over Combustible Surfaces (Appendix B)( d' R X0 K. k
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
0 l/ y9 p+ Z8 g4 @7 k Isolating Switches2 s0 @$ z0 }3 v9 f8 {+ z! W
26-100 Location of Isolating Switches
8 W# A' W" O. _$ Z' M4 _- ~Capacitors$ N+ V& C5 k! I6 ~
26-204 Guarding of Capacitors2 w& ~ I$ Z. H$ e0 x. I* p
26-206 Grounding of Capacitors/ T; }' H6 J/ N' G$ V# D
26-208 Conductor Size for Capacitors3 T! ?5 H; T4 V: { l
26-210 Overcurrent Protection (Appendix B)
: Q, n; ` s+ l8 D! W+ ^- W# d26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits# r1 x) s7 y9 \# E! Q* W- i6 `
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
' c: q( A& i( }: J* K) L- Y1 Y* }# ]26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
/ T$ l! p% H% O0 F1 K26-218 Special Provisions for Motor Circuit Capacitors
] k( T" Y* s+ Z% ]6 q26-222 Drainage of Stored Charge of Capacitors
" X2 s: ^ Y; z7 W' m. ^Transformers
9 _3 J# Q9 Y5 s26-240 Transformers, General* D" B7 K# @/ @
26-242 Outdoor Transformer Installations+ Q& Z0 f4 ~) H. A
26-244 Transformers, Mounted on Roofs (Appendix B)
% E6 e j, j, @' ]% c26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B) N% l- e4 l* ` Q
26-248 Dry-Core, Open-Ventilated Type Transformers& b" F9 x$ Z5 p. k& Q: g }- v6 S
26-250 Disconnecting Means for Transformers
3 R' Q/ n- n" {8 S/ S26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V& s$ C- x4 Z. x1 B3 x1 f6 c
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
3 W% J S& {* E5 U# O0 l) j% D26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
- @7 C/ G! M" F* F26-258 Conductor Size for Transformers
7 i6 b* P4 `! g/ [3 g# _8 H26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)2 p7 k4 y4 ~5 {) h, Z0 M
26-262 Marking of Transformers6 x; L! c# S; f/ t8 L: r. O
26-264 Auto-Transformers) J/ [9 W5 Y, W* O& a: b6 t
Fences
; J8 g# ?( w& |26-302 Clearance of Equipment - Table 33
/ v' r1 G! X; y: WPanelboards
, z2 ~+ l0 r) ~. e$ n26-400 Panelboards in Dwelling Units (Appendix B)& z# b% L! V- M6 \/ s7 q% _) z) U
26-402 Location of Panelboards (Appendix G) F9 X$ [- g% _& S& c
Lightning Arresters
; C' _) ]: F4 U26-508 Connection of Lightning Arresters p: u, [$ V/ x* E$ q+ W' x5 I" u
Storage Batteries6 i% _* U7 l/ {( A$ \' V9 K: _
26-542 Special Terminology
' k8 W1 _" w+ q# b \* K26-550 Battery Installation5 S/ T, S4 z% F1 B+ X4 N
26-552 Wiring to Batteries& k# l% @# Q' G# `2 d* ~" J: X
Arc Lamps
0 s' E1 G- g( U, w26-600 Location of Arc Lamps- {1 ]* t1 k# `. p; E
26-602 Conductors to Arc Lamps- Y0 j* @- S& D8 m" S- \8 e
26-608 Globes and Spark Arresters
# Q- J" n# ?* _* H" N- u) }Receptacles
4 K1 ^! i* P/ M; k/ D$ H+ B/ ~26-700 General (Appendix B)0 m1 p. g. E p M" `. L8 {' d
26-702 Receptacles Exposed to the Weather; g$ K( c) Q! z; O8 P/ r5 B$ a
Receptacles in Residential Occupancies0 u9 e& Q! A3 ]: t8 v, s
26-710 General (Appendices B and G)
3 w, p, e8 R" c0 R1 V& f& u. \26-712 Receptacles in Dwelling Units (Appendices B and G)
' C K L5 M0 ~% C4 l26-714 Receptacles in Single Dwellings (Appendices B and G)7 U9 _; Z. z/ {6 z7 m% B5 ? F1 i
Branch Circuits in Residential Occupancies
% t7 a/ F$ ^5 D26-720 General
' ^* B/ T8 k# @4 M26-722 Branch Circuits in Dwelling Units
( w+ t# J2 U1 K5 D- J( W4 D+ d26-724 Branch Circuits in Single Dwellings
& {) n P$ b2 L$ X7 E26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
) D% a3 J9 k- T7 `N 26-720 (F)
( B7 A6 F8 P' ~Electric Heating and Cooking Appliances+ F1 [9 Y1 Q1 O' z- b+ B3 @
26-744 Supply connections for Appliances
1 ~" S& u. ~! T1 x) q! a4 m26-750 Installation of Storage-Tank Water Heaters
# x* Y1 M |) {2 o26-752 Infrared Drying Lamps) {) s3 N* z" O5 U
4 U7 w7 F5 o P
Section 28 Motors and Generators
% o2 U4 y- R) L* C9 T: i( YGeneral
, S2 R% @1 `/ {' w. I+ H+ c28-010 Special Terminology# x! t- P; m% \0 \, @) }: Y/ B
Hermetic refrigerant motor compressor5 V/ V' u/ Q$ \+ ]' i3 c+ y
Locked rotor current rating
& w% k: Q1 K) w. GService Factor
; \8 d# K) ] Z9 k. F' m! ?Table 44; Table 45; Table-D2& }9 A3 Z* ^6 B/ d( J
Wiring Methods and Conductors
9 i4 U' t6 `) E) z- v28-102 Portable Motors6 f* V7 A& p) Y4 |* p1 h: C/ c) B
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity4 ]( U) Z5 N; [6 P
28-106 Conductors, Individual Motors! ]' P: {& w V2 D& q
28-108 Conductors, Two or More Motors. G1 m u# t$ U; \; O4 t9 O
28-110 Feeder Conductors
3 [& ?4 U F+ X- C% K; X28-112 Secondary Conductors
! T4 U7 y5 r! w% l0 H' ^% LOvercurrent Protection
6 w6 J3 d9 A/ x& B; Q/ d( F28-200 Branch Circuit Overcurrent Protection
8 @3 Z7 t) f# H2 I( C. c- O) c28-204 Feeder Overcurrent Protection
- d) M$ X; y& v) Y: f: d& B28-206 Grouping of Motors on a Single Branch Circuit& x2 y. F7 V! v. z$ R
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)7 [4 [! i v6 O7 v
Overload and Overheating Protection$ E/ x7 L4 a* `9 B
28-302 Types of Overload Protection$ g- i# Q1 s0 f5 h" i# F
28-304 Number and Location of Overload Devices (Appendix B) Table 25( }1 Z i# C/ m9 }; @
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
0 H$ j n7 C* v# u28-308 Overload Protection Not Required& C! `5 _9 Y7 q8 j
Undervoltage Protection
( u: S; g% e; |6 b! H28-400 Undervoltage Protection Required for Motors (Appendix B)
8 }) u8 |' V2 mControl4 y4 u2 T( y( Y# J; }" r" R5 @% \ N
28-500 Control Required
2 f/ p; b5 h# v28-502 Control Location
+ x% P( l# x2 c! t4 H5 X% {+ Z28-504 Starters Having Different Starting and Running Position" r3 d1 ~7 I& k; _5 T& b- h( S
28-506 Grounded Control Circuit: g$ P0 D; \5 Q' X. T3 \& W: B
Disconnecting Means8 K3 Y% O" G& H/ o
28-600 Disconnecting Means Required
; V' g2 F4 }% E. }28-602 Types and Ratings of disconnecting Means (Appendix B)5 A; N3 ~3 A, s9 k% b
28-604 Location of Disconnecting Means
& Z1 n, z6 D+ F3 [! H& F Hermetic Refrigerant Motor-Compressors
- u1 ]* t/ t \28-706 Conductor Ampacity4 g9 W7 b1 i4 K# I; {4 Q2 g$ [
28-708 Overcurrent Protection
& o6 ?: m6 v& g0 S28-714 Disconnecting Means5 l: J) K0 U; q n
Protection and Control of Generators
% N" a! Z$ J1 r1 V" a8 U ?' |* @28-900 Disconnecting Means Required for Generators% V9 p' O* c! _: p; I( m6 L. u
28-902 Protection of Constant-Voltage Generators
& k! h2 V; n/ A- c* p28-904 Generator Not Driven by Electricity
9 V5 q& y" S9 t28-906 Balancer sets7 B# _& o! X9 p6 o6 t
28-908 Three-Wire Direct-Current Generators0 }* v! v* Y9 K) `& J
4 | d. `5 v8 {7 j/ s: D9 @/ D" z9 ZSection 30 Installation of Lighting Equipment- f' L. U; x5 \2 L' r, s( a
30-002 Special Terminology (Appendix B). g) }" P: f5 [/ N+ m& c$ U; V
General
0 S1 Y s( Z+ N8 H' a$ Z: q30-102 Voltage0 N0 s( s2 X, ^" U' U0 [6 K
30-104 Protection (Appendix B)
) N/ {" P8 T" c; z1 k; i* B30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
( T4 g: v2 l# L( n2 K1 i30-108 Polarization of Luminaires
* s- d* y3 b* [! `' z7 D& Y% G30-110 Bonding of Lighting Equipment
& @0 q" a) V8 u6 [Location of Lighting Equipment( V$ ~ b0 B( t7 l
30-200 Near or Over Combustible Material
t1 F" }- O4 _30-202 In Show Windows0 S$ o2 m$ G4 c8 n) R$ v
30-204 In Clothes Closets1 p$ \9 v3 x5 n% ?' h9 S( v2 b
Installation of Lighting Equipment
3 d: g. B/ M, D$ e- u/ }30-302 Support
7 G* K0 Z m, }! d0 h4 H30-304 Outlet Boxes to be Covered* ?+ c1 E) O3 y1 L. o; E R5 Z, C
30-308 Circuit Connections) X% k3 `% W3 q" g S: A" N/ C
30-310 Luminaire as a Raceway! o, W! @# q& d* u) P' I
30-314 Minimum Height of Low Luminaires7 B+ P( L, d$ C" t U9 j( z; f
30-316 Luminaires Exposed to Flying Objects
4 ]( o- W- U Z( x/ R6 E30-320 Luminaires in Damp or Wet Locations
' g9 i- K7 x. a# L$ B, f, s5 QN 30-3186 D5 y* h' C$ ?' U: {9 L
Wiring of Lighting Equipment: F% v! X, |, C3 ]$ w& o/ H
30-400 Wiring of Luminaires
' [1 U% O' c5 B _: i30-402 Colour Coding; c* W0 f3 J7 b- Z. y
30-404 Conductor Insulation x$ N' L2 {+ _- U8 e; P. C
30-406 Conductors on Movable Parts
. i3 Z: u W8 E" y5 S30-408 Wiring of Ceiling Outlet Boxes! ?8 x* j4 I2 `3 s5 c
30-410 Wiring of Show Window Luminaires+ [$ L0 ?0 X3 x, e7 a( i
30-412 Tap Connection Conductors
- ?4 C" a c- a9 U/ GLuminaires in buildings of Residential Occupancy
0 t1 u; i5 g" n30-500 Lighting Equipment at Entrances (Appendix G)
8 O: a+ ~, M2 ` p- b+ R& p30-502 Luminaires in Dwelling Units (Appendix G)# K N" B( F5 l* H: Y6 A
30-504 Stairways (Appendix G)5 Z0 D1 s) O( H8 c1 r
30-506 Basements (Appendix G)
0 J1 e7 _9 N" x- ]' a30-508 Storage Rooms (Appendix G)6 _( o/ o5 Z3 G9 m
30-510 Garages and Carports (Appendix G)8 v: U6 K2 l" g- ]8 N0 }) T+ F
Lampholders) p' o' a1 c* a. D3 q
30-600 Lampholder rating with Incandescent Lamps
; ?9 E$ |1 V8 V/ Z. QN CANCEL
* X' i2 m; o* F9 n5 m30-602 Connections to Lampholders
9 r) L7 O) q$ d, h1 C3 ^9 `0 FN 30-6004 M) U; M2 p$ ~% }( X
30-604 Switched Lampholders Used on Unidentified Circuits
" F5 r0 N i+ w0 ON 30-6029 `- A* ^3 b% h
30-606 Switched Lampholders with Pull-Type Mechanisms& [" n0 n1 W+ d% \
N 30-6040 C" g! t& S0 V$ V# |6 P5 }
30-610 Pendant Lampholders
3 f- W- @3 ]( uN 30-608
2 ]% l$ |% _' A; b* X* S6 u) |7 E! Q- H3 cElectric-Discharge Lighting Systems Operating at 1000V or Less# y9 B; K+ h+ j- e
30-710 Control (Appendix B)# }8 n0 @4 M6 \/ D: P4 [7 \0 K1 a4 N
30-712 Branch Circuit Capacity5 U2 ?' M4 j( p( A/ x$ l0 F
Electric-Discharge Lighting Systems Operating at More Than 1000V
0 x+ ~) \ J+ j" p" B, B30-802 Voltages, Dwelling Units1 `# S1 ^6 l2 l* {7 w2 ~4 Q
30-804 control (Appendix B)
% u( _8 C' l+ C# SRecessed Luminaires (Appendix G)
) ^& A, ^: I. D2 O. G: N$ o30-902 Spacings for Non-IC Type Luminaires
" l, G' G e& ^+ D30-910 Wiring of Recessed Luminaires (Appendix B)1 Z1 ?3 }) D) h$ y" b6 ]
Exposed Wiring for Permanent Outdoor Lighting
, ~2 `( V( O0 v! W+ h5 |# t# g. a30-1120 Branch Circuit Loading and Protection/ U( A( c5 w+ `' `
Extra-Low-Voltage Lighting Systems
( U- c Y7 ?% Y30-1202 Sources of Supply
) K# p0 W* e; ?3 p( D5 V2 t) @2 Z( l) A* k& B7 e1 ]1 L9 p+ `
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)3 X4 g0 s; j! m
Fire Alarm Systems
# J# _3 t' ?- \' C; a; C32-100 Conductors
, |& X' \/ v% j+ b" I7 t32-102 Wiring Method s( ~4 u8 `' b' M$ n2 V2 _
32-104 Equipment Bonding4 K: [: p" z0 E3 J& b8 ~
32-106 Electrical Supervision
8 s Q' z3 g8 t. s6 [9 N32-108 Current Supply/ k& V3 V: o0 l9 `' X6 V' u
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)+ U! t' U- e9 x% U5 t
Fire Pumps
# N" V4 r; M( ?* _4 m4 b32-208 Overcurrent Protection (Appendix B)
% |) l6 f) {; z6 E; b3 V4 w7 BN 32-2067 N- B7 }& x- j. N! {4 F5 B
32-210 Overload and Overheating Protection (Appendix B)
# i: X8 ?2 ^% i& C1 z/ f" a32-212 Ground Fault Circuit Interrupter (Appendix B)
# R0 F4 S3 r* n2 ?5 h8 _% t1 {- `' X/ Q9 n
Section 36 High-Voltage Installations
v* n( a! A5 g- ]0 r$ KGeneral) Y2 Z. [5 t+ k. _1 f3 F6 V7 \/ P/ Y
36-000 Scope (Appendix B)% i1 Y& ^9 j* P L: T, L" w' N
36-006 Warning Notices
6 \2 W2 u9 }1 d2 b$ V1 EWiring Methods" M( F! p1 |1 ]% m7 G
36-102 Radii of Bends5 k; |8 C- g2 e: N- k
36-104 Shielding of thermoset insulated conductors
7 J; _# c3 j' O' G36-108 Spacing of Exposed Conductors (1) table 30, table 31
m: k$ i0 a4 \7 X& t, h36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
. ]) r& `% R! H5 \0 ?$ {/ ]Control and Protective Equipment
/ k" `1 w7 t5 N; ]9 {! d36-214 Disconnecting Means; D$ o6 z& P5 s- H* V
Grounding and Bonding
% `) ?8 P0 G! j& V& A$ r; z% U36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
, |; ?) c5 b9 `3 U36-302 Station Ground Electrode (Appendix B)
6 e: Q# V8 D' c4 X0 f0 F36-304 Station Ground Resistance (Appendix B)( I$ y/ A4 r2 [3 E
36-308 Connections to the Station Ground Electrode (Appendix B)( Z9 }- [, i! ^/ e8 Q
36-310 Gang-Operated Switch Handle Grounds1 c% i* ~; E7 u1 _" o" Y3 O6 [
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations1 ? T- u6 B1 [( z% T% S- w
2 f. O# k$ l( X2 T
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment( q! p2 y& k' l
38-002 Special Terminology (Appendix B)9 i' y; b) t3 J+ i. K/ I
38-003 Voltage Limitations (Appendix B)
/ y; J# z7 T+ [" d% i38-004 Live Parts Enclosed A( ^8 ]. Z& r
38-005 Working Clearances y+ J% y$ i' K% U5 J7 H# u
38-011 Insulation and Types of Conductors) o5 l. \8 p& Y8 w# J: H
38-012 Minimum Size of Conductors; `) Q" Y, y* t& ]/ q
7 K% W4 b! c0 u+ o# BSection 40 Electric Cranes and Hoists" |' {. {. C, U5 p+ y( Z9 B. ]
40-008 Disconnecting Means4 Z( ?7 {5 [/ e' m3 p
40-010 Main Contact Conductors
8 K5 M. C1 a& s& d. J) L5 j$ ?8 g* Z" S5 u' M9 C( n& ^6 f \' K( I
Section 42 Electric Welders
+ }9 i, D; O5 P! D4 ETransformer Arc Welders
/ D. ^' t% |0 ^( Q* Q7 n2 I42-006 Supply Conductors$ r# F- k6 i; Z* \+ m* R) F
$ ?, V6 S G e% O
Section 44: Theatre Installations
. a) W4 E% P2 X) U, x- dGeneral
1 C3 `9 U7 u) B* ?) w+ v' N44-104 Number of Conductors in Raceways
0 z$ z1 `4 s4 X6 P1 S& |% [44-106 Aisle Lights in Moving Picture Theatres
5 R, ?* L; }+ ]$ c0 I/ |Fixed Stage Switchboards4 ?/ k+ x% J0 y
44-210 Overcurrent Protection
# E4 _) u: `3 B8 U0 L/ IFixed Stage Equipment# {5 S3 @" q3 b* h# r3 b/ f
44-324 Receptacles in Gallery Pockets
/ P( V- n( t3 }44-326 Receptacles and Plugs+ r7 `6 q( K8 ^1 c: g
6 o) o3 V* t- p0 w$ i* t, NSection 46 Emergency Systems, Unit Equipment, and Exit Signs
( C1 j; b( l7 Z8 DGeneral
+ S9 u# J7 N+ `) x7 Z46-102 Instructions3 S+ V# ]& p: Y) e- R) x
46-108 Method of Wiring (Appendices B and G)
4 t3 r! F" h4 X. M7 U: s: MEmergency Systems
- a5 }5 l" s0 r& [- ~3 z46-202 Supply (Appendix G)
, T3 g+ _$ f: P) i0 K3 P# |46-204 Control" l4 a/ r* r5 V# {$ ^
46-206 Overcurrent Protection7 L/ z5 E3 r4 f+ }: V
46-210 Remote Lamps
7 Z* s; P! u$ W$ B+ nUnit Equipment5 S# [+ V% I P: w6 M
46-304 Supply Connections- f" K" M3 T( Q! V# u- Q& c# \; G
46-306 Remote Lamps (Appendix B)+ L2 S& t6 I. Z# |7 M) y
Exit Signs, }( w' r3 w$ s- w3 z" |
46-400 Exit Signs (Appendix B and G)
- L# j' [8 R/ X9 U3 u
# n) `: D9 g6 w; L1 xSection 54 Community Antenna Distribution and Radio and Television Installations5 Z) W6 M$ M6 Z3 |1 V* q
54-000 Scope
7 T# u2 T* ^4 X# S, \54-004 Community Antenna Distribution (Appendix B)
( g% o0 }" E7 w$ u- t# S* jCommunity Antenna distribution/ B+ s# \- K& N# D- b6 K
54-100 Conductors3 R7 h3 o1 }$ c! t. Z7 j$ d
54-102 Voltage and Current Limitations (Appendix B)
6 X) {: G' p8 L' z4 iProtection0 i$ L: b* S% x7 V1 `( S* [
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
- p R4 j7 F' Y% yGrounding3 f$ K; n- J$ ?
54-300 Grounding Conductor
! n5 W* g- \- f. n( hConductors Within Buildings( v: i" ]- U/ S" ?( k, A
54-400 Separation from Other Conductors/ }" e3 r$ E. P5 t2 o k9 D
Equipment
1 V+ W$ D9 ~& `54-500 Community Antenna Distribution Amplifiers and Other Power Sources
. C" F) ~$ C0 `3 B6 l* A54-502 Exposed Equipment and Terminations4 d( N: |& d, D( M1 P9 O2 g
8 D/ J0 G7 s4 @% n9 W- \
Section 56 Optical Fiber Cables
J% f- s! O5 f' W* a0 \General
) S3 d0 N7 P1 P: [6 r& X56-100 Special Terminology
1 M& e! u K6 a; J( G56-102 Types
8 N% r2 p q; Z: A; \. s) J+ nInstallation Methods
& l4 m) C; l1 B; x56-200 Nonconductive Optical Fiber Cables (Appendix B)8 s( ~7 ^3 v1 x0 t) y
56-202 Conductive Optical Fiber Cables (Appendix B)
2 g9 {- C1 Q8 S0 K# `) r& Y56-204 Hybrid Cables
5 b; Z& E' w& b" g, R$ q56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)& g% [& |1 D! R" e4 P3 C h+ l M0 j
( Z4 x7 ]& E8 d& |7 g
Section 60 Electrical Communication Systems" B1 C6 F x; R3 \
General9 @8 f4 ^9 `3 g" t1 r
60-100 Special Terminology
, G- g: C p. T8 b( p+ bProtection
G4 ~# t+ a5 j1 i, ~60-202 Primary Protector Requirements" Y0 i3 Y6 m* h1 y0 I* T$ D% x
Inside Conductors& p1 E0 p, g4 b
60-308 Separation from Other Conductors2 ]9 U) h6 O7 k) j" v8 P
Equipment' ` v: w% d6 l' s- u- z2 s+ x
60-404 Exposed Equipment and Terminations' M: b, k. E# {; T! B/ K
Underground Circuits$ C2 o9 L6 v6 L
60-600 Direct Buried Systems+ y6 k" x& A% X6 @8 W
2 U1 d2 X+ Z+ Y6 c$ |2 n* t" b+ ^. a
Section 62 Fixed Electric Space and Surface Heating Systems, l$ b- z4 a% N
General
2 E" e, b$ d, z' L- k- [62-102 Special Terminology
5 ?) J- }# R; A62-108 Branch Circuits
! O1 ?9 v& g H6 x/ h/ j( M4 e- b62-110 Installation of Fixtures+ f9 n2 ]+ @6 D# \6 M0 G8 `5 ?
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
) u# R# x' ^" K, i4 D- L62-116 Demand Factors for Service Conductors and Feeders (2)% L4 I- n5 j- N" a
62-118 Temperature Control Devices2 o* p. R: `" m+ }
62-122 Installation of Series Heating Cable Sets (4)(7)( M1 n: o* J/ s% [4 n& B) n
Electric Space Heating Systems
/ d( p5 ~& ^5 L1 d' p62-202 Temperature Control
( Y8 o! [; K6 m9 l6 \1 O. I; g62-206 Proximity of Other Wiring (Appendix B), m$ j+ F" K% J; ?) t/ y
62-214 Installation of Heating Panels and Heating Panel Sets
4 H. G/ w* p" A+ {# ?62-218 Series Heating Cable Sets in Cement or Plaster Ceilings. y+ P: q. G d
62-226 Installation of Under-Floor Covering Heating Panel Sets
6 B9 Z2 \1 G' UElectric Surface Heating Systems1 X4 A1 r1 Z8 u% X0 u
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
: _( o' N5 ]% q( N8 `6 P0 a$ d: S- l, g0 j, W
Section 68 Pools, Tubs, and Spas4 _3 _! u! Y! y6 r+ r* H
General
. k# U( f, h: D( n68-050 Special Terminology
$ ~ \9 `% o0 Z8 D9 r& ?% x68-056 Underground Wiring - Table 61, a7 M( ?. s3 h) W6 Z" b
68-058 Bonding to Ground (Appendix B)
- C6 p! u9 R" l* x% c& Y+ K9 A0 Z68-060 Junction and Deck Boxes (Appendix B)- P6 M1 a3 M8 S9 m
68-064 Receptacles! y. p0 O) M9 `# \* n, j/ A3 E* v% s
68-066 Luminaires and Lighting Equipment
7 z( H' h! N* F' E/ Z( o; c68-068 Ground Fault Circuit Interrupters (Appendix B)" \8 F. o( n1 f9 _0 {& h- W0 K4 F
8 k- t% ?9 E9 n) |; E) pSection 70 — Electrical requirements for factory-built relocatable structures and 9 V0 [- G* M) x+ O
non-relocatable structures
# V, A0 e$ b U& m5 S/ k* Y70-130 Tests (see Appendix B)
# O9 I D) Y! V, }2 c, @2 h! o1 [8 {' ` e
Section 76 Temporary Wiring (Appendix G)
$ Q- _) w; \" c- C0 H76-004 Grounding$ n* |" [& S6 y1 }) M6 v0 X, \9 E2 C
76-008 Service Entrance Equipment$ b2 `% W. e' L. s) j) `. q2 S. ~
N 76-006/ ]! E! X: t0 Z: Z: b
76-014 Branch Circuits6 i0 c s, Y- r' a0 A/ |& F
N 76-0127 _! ^; h! C8 Q
( I3 ^( _8 A0 f/ w Q0 b7 BSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours# s) T- T5 u g4 ]8 x0 q
Marinas and Yacht Clubs
0 w" S9 r$ x% d4 e; n3 D4 V) x78-052 Receptacles
+ S0 I6 Z: F9 @; Y% N- g, a6 j78-056 Feeders and Services L8 H9 S6 p" U G) F
Marine Wharves, Structures, and Fishing Harbours
! q# T0 q7 K# R! L/ s78-106 Grounding and Bonding# `+ q0 k( J' r+ \* J7 a+ m
Tables% d9 x* p7 A+ T
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
- F+ E+ Z6 A3 z4 s
/ a- ~% a$ Z3 a* Q# P0 r. DDiagrams: 1, 2, 7
- C9 x$ I- V q( u8 s: R. ^7 d
, H' V0 C1 T% W; E! g* f# M1 DAppendix B
- y3 a0 O0 O/ fP352: Ground fault circuit interrupter- 6mA
; L9 h% r# Y1 U& G% d0 xP354: 2-126 FT1, FT4
9 K3 ]# Y/ k1 O* G JP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
# G* n. q8 L( JP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
" S5 w4 G( c% e, f! }- {2 kP370: 12-1012, 1118, 1214 Example:/ J* M: P4 _% Z& Z
P371: 12-1108& ~" o' m) b( F
P381: 18-108(1)(b), 18-158(1)(b)
% g g$ x4 f) Z: F" L& }8 V( TP386: 24-206
& u: m8 u. Y" B( jP389: 26-256
2 x9 ?0 e# I3 S5 Q' a3 x- ?P391-P393: Section 28, Example to determine Motor Conductors and Protection4 T, i) G- C5 ^
) m* B- A, H7 Q# x* o
Appendix D6 x. |* G- N M0 A4 Q$ s4 F
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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