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Canadian Electrical Code Review Guide0 z- o) F- a; y1 W) |, z3 ~; D
For the Exam of Electrician For Red Seal License# Y+ S' n& U: C
$ r6 U7 d% G. M8 Y$ xLesson One1 U2 H- Z" W* s) `& ~, M) F
Section 0 DEFINITIONS
* m* X, G8 f, ~. T, [7 iThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
) N4 K+ s4 D) a; m2 `( zAccessible as applied to wiring methods, [0 i& e7 I v1 g! X4 t
Alive or live5 @8 ^& s' p% j9 S( n" t: Z
Aluminum-sheathed cable2 B) d" ^( p: q, f
Ampacity% R& @1 @9 F! I, q! V
Authorized person
8 t1 U! s* K; [! Q% Z; O9 ]8 l8 TAuxiliary gutter
* b) a4 @/ S0 x. D/ RAWG
7 x0 n# d5 t- K2 C3 G+ h5 s EBonding% V! A! G$ u/ [! P; c# C7 t
Cable tray
. F: O! V; d2 yCellular floor0 `* V" U8 E" e' p0 W/ m5 P$ I* V
Branch circuit# n2 o1 l- a+ C9 U) B9 |
Bus
- Z3 u4 k% U( ~* n4 b. S. @Busway
, D' `9 |2 a; n% K Q/ B7 i, F- }8 BCommunication circuit
; V3 [1 U0 L) b2 ~/ uExtra-low-voltage power circuit
9 b P, U3 b6 R$ `Low-energy power circuit
5 a% v6 B4 l6 ]9 ~$ i4 }Multi-wire branch circuit* I' P( }& G0 I' c" D2 k- }, S
Remote control circuit
! n$ {7 T% e' R! r& J, L" oSignal circuit
G0 p; T3 F6 t9 f3 e: \3 eCircuit breaker1 Z. ]8 x6 P8 {
Instantaneous-trip circuit breaker/ w% p+ V" V0 D# a
Conductor
1 l7 H; b( M5 r! H* q% \Conduit% K$ k& }% u$ L
Flexible metal conduit0 u% a0 o+ `! y* p
Liquid-tight flexible conduit
/ L$ n5 d7 ?' t7 g+ v/ j% c Rigid conduit# e8 P j: x( m) s7 j% g5 |2 J
Rigid metal conduit2 V9 f& _' Y( V+ _; s5 m9 z
Rigid nonmetallic conduit
8 x- J" `$ X1 M- \ Rigid PVC conduit1 D( a. H% C. J& N: F
Connector
+ Z6 ^3 h" Y6 u) _; | Box connector
* e2 O' }6 G# m( F4 D ?* w* t& d: D Wire connector
' V A- V [) l- q6 r7 r; k9 PController
0 E. M; n- N( ?6 UDisconnecting means. {. A+ {3 D2 ]8 I% j/ p" a
Dust-tight
! r& j4 L: ?% q/ ]Dwelling unit
* r' j6 }0 f2 P( f+ \0 X$ ]Electrical contractor- r2 W0 q" q2 p% x. L$ _
Electrical metallic tubing
; O% j& k/ U+ _7 hElectrical nonmetallic tubing
! Z5 G9 g4 ]$ g8 s$ Z% Z, g; GEmergency lighting9 J% G! \4 l- P- m1 K2 w1 m7 H
Explosion-proof& \3 q: K* X* K6 V$ W+ x7 V
Extra-low-voltage power circuit
* p# B( t- e9 {Feeder4 ^$ u+ l1 K. o7 T; z
Flexible metal conduit' o- A$ ^! S Q- _9 |6 N
Ground
' W3 E' ]: t0 L$ F1 i# V2 {8 |Ground fault circuit interrupter* h, u* v3 ]4 q8 q) g
Grounded
5 e; P) `$ m; V* T) g& [2 b c: hGrounding4 j2 F% p& l' _* z% ]
Grounding conductor) ]! B Y5 U2 J- a
Grounding electrode
2 P* ~6 D/ g0 d v5 w0 ?Guarded* p6 o" `1 o8 f( Y
Hoistway! C0 @: p- k5 [, G
Identified' P a; q- U I
Lampholder& o, r- p$ m3 v# y1 O
Low-voltage protection: ^0 E" o$ U; `( G; b4 A- s
Low-voltage release+ Z+ {3 R* y! ] [& q2 x. I J; I
Neutral- L0 i# G" X' x
Noncombustible construction
5 \- r% l7 ~* H. E Z- m6 L p0 [Outlet
U7 b, D u! Z+ [2 nOutline lighting
+ q- S2 U A: t, j" W8 ROver current device
8 g b- M4 f" `" qOverload device/ O# J4 v+ Z m M3 D
Panel board3 f1 N6 ^- W$ R- R+ I
Panelboard, enclosed
8 S$ g" ]# Q- U* NPermanently connected equipment7 m' v, g4 j: A$ n
Permit
% _+ y+ y( V; p- IPlenum+ v) A9 q4 q/ |8 D; V" l; |
Portable as applied to electrical equipment( a) ^* Q. \- x6 k- Z
Portable ground fault circuit interrupter/ ~) K' K- y4 q& F5 y: O" G
Power supply cord
. V& h7 w+ w- ~/ l9 {5 `Raceway3 n7 z- |- C( ^! n8 i
Receptacle- W" l9 F' ?" {* E+ W9 G$ e2 `5 E1 P- [
Duplex receptacle# [+ q/ I- s m% }
Single receptacle% R, o: s% U/ [2 d7 _% M2 [0 A' _
Split receptacle
% T2 Z0 k* M3 m. D' \Service, consumer‘s
- N0 S6 R9 K8 y; Q6 `Service, supply; B+ w! S, B/ ~: V! E
Service box
& W& \& ~5 X3 t: Z- @Service room
) l; G% {" f9 e7 LSingle-dwelling6 {) n% T1 x0 \
Slow-burning as applied to conductor insulation
) h* [9 c# O" F( Q% dSplitter
7 X" R3 |6 Y1 C) E2 FStarter
7 K: M2 n/ G1 e) \! _* HSwitch
. X( I7 f) a, ? Z3 c# Y3 Y General-use switch/ G5 `# F8 v6 {& Y" N' y3 @
Indicating switch2 [! J) d9 w. {9 L: y: }( ~
Isolating switch
8 H9 J1 L2 S9 {" Y0 S5 O Motor-circuit switch- N0 N. l. K+ l$ ]
System1 T& g* u: |# D
Communication system- ^7 I g% {$ K
Community antenna distribution system(CATV)2 I0 J- e) g* {- {
Grounding system
' H3 U: M6 a7 F) K7 q6 B ~Underfloor raceway
* a7 Q2 y; c; s$ SVoltage:- I4 F s$ w$ @. n
Extra-low voltage
* E9 Z6 d* m& p High voltage8 }# b. l: |! ]8 k
Low voltage9 J+ Y3 V3 M6 L; a. g
Voltage of a circuit% w M6 B! t+ m1 n" m
Voltage-to-ground
: }# F$ ^# n; B$ hWireway: y) y6 |; M2 P
( i7 j/ n. w* w' A% ?" x3 @! SSection 2 GENERAL RULES
7 Z- d9 k9 c5 x. x' z: vAdministrative4 q. U6 i5 N9 i1 l2 _; N) S
2-018 Reconnection
3 O; h8 ?( G1 r2 ~) c+ d, L3 U2-030 Deviation or Postponement% t( V3 s/ \* k9 S3 P! ]' {) |
Technical General! R; f, R7 B0 |: G* w
2-106 Circuit Voltage-to-Ground – Dwelling units
. n& j {' r+ {: s- ^; V2-114 Soldering Fluxes
) [9 Y% U# ]$ h7 g, k+ w' F2-116 AWG Sizes of conductors
/ s! [* [. i7 a+ ~ P! I# f2-124 Fire spread (see Appendices B and G)
6 A3 E: w' b, X, |- R$ m5 e/ J# l2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)2 g6 j' y$ h7 u- f( v
Protection of Persons and Property$ ?) W# E! `8 R; L
2-202 Guarding of Bare Live Parts2 W0 b1 V7 X4 @9 r0 [! f5 X, e
Maintenance and Operation4 g) ^6 ~3 J! i8 i3 ~# i
2-304 Disconnection% a" r/ ~7 }' p# t) m% O* m5 U
2-306 Maintenance of Live Equipment
6 e; c9 Z/ {+ B6 C6 IN 2-306 Shock and flash protection (see Appendix B)8 c. Z; p" c D1 {3 g3 R4 Y
2-308 Working Space About Electrical Equipment: Table-56
4 E/ y5 c( A3 O( V' L1 B2-310 Entrance to, and Exit from, Working Space o+ C) x$ K6 L' I1 H5 z' E
2-320 Drainage0 e6 ^, }& n3 ~
2-322 Electrical Equipment near combustible Gas Meters and other Devices$ C- ~$ p3 i2 r+ O; q! _
Enclosures2 v+ ~1 a* H- f3 e( i2 a0 Z
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) " k# \% e h& i: l5 L
2-404 Marking of Motors: DP, WP, TE
1 y1 m) N( y0 u) K* F, _, s
9 ^& N% {+ G' ~4 A4 a5 l2 q) PSection 4 Conductors* k1 l8 V7 {* M1 R$ g6 k, |& }' [
4-000 Scope- l! X% y$ l$ v; U0 m3 U
4-002 Size of Conductors: 14#, 12#- \* D, \8 Q# g" q5 K" P$ q' _
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
r, a: s- I* P# Y( m y9 b4-006 Insulated Conductors: Table 196 P6 c' L4 p6 N" m. P* p! P5 H
4-010 Uses of Flexible Cord: Table 11
' t7 J6 a. w8 Z4 [) e4-012 Sizes of Flexible Cord$ @) x( A) ~& M1 R9 ~7 Y& l9 b, M
4-014 Ampacity of Flexible Cords: Table 12
$ n8 K- q" P: |( p1 K# f4-018 Equipment Wire
3 V. x8 c& I& j' V! w( ~6 {$ Q4-020 Insulation of Neutral Conductors! ^3 }2 X6 C+ I* w; O8 v
4-022 Size of Neutral conductor
9 W5 ~7 G O/ }5 T, b4-024 Common Neutral Conductor! N7 m1 C* f5 J
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
/ v: m" Y5 e; u4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum' p4 T+ s8 C- R- v, {$ {( A
4-032 Identification of Type MI Neutral Conductors) N! p* Z4 `" p" e
4-034 Use of Identified Conductors
4 c! @4 F; w6 x- i8 P( p7 c4 U: q4-036 Colour of Conductors: Phase A, B, C, …
& W* W! }" @% a; E; G Q9 Z0 u- Q( l) A
Section 6 Services and Service Equipment8 g f9 j, M1 i8 W+ }1 q
General/ |% ], O# F, \3 M# ~ G E
6-102 Number of Supply Services Permitted: k. U+ B1 b$ o. G3 `
6-104 Number of Consumer’s Services Permitted in or on a Building
1 H0 k) _2 F& m6-108 Supply Service from an Electric Railway System
# ^/ E3 r% B' x- K6-110 Three-wire Consumer’s Services
) q" z/ U1 s9 w( z" x6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors5 u4 w! `0 E% Q; X
6-114 Methods of terminating conductors at consumer’s service0 q5 `- w7 x# F% U0 `+ M' J
6-116 Consumer’s Service Head Location
- R$ {" p. s: h; V* \% s- `Control and Protective Equipment
( G I- T8 G+ k p/ T; q3 ~6-200 Service Equipment
3 _) ^7 h0 C7 ^# i- ]6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
) l- j0 a5 P, T+ J6-208 Consumer’s Service Conductors Location
* m5 o) s5 i: A1 E" S6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches% H: J$ ~$ g) j$ F Z# W9 o! k9 z
6-212 Wiring Space in Enclosures/ `& b) }( c) s/ u' B/ P
6-214 Marking of Service Boxes
. X, ^, O; r6 S3 BWiring Methods0 Q: T. I% F( u
6-300 Underground Consumer’s Services
! ]* l. `, X1 J, F. j+ L, I6-302 Overhead Consumer’s Service Conductors
+ C+ m4 }0 O* T! @6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
# U1 p F/ J7 p( S2 E# C) Q6-306 Consumer’s Service Raceways
; M7 W2 w& ]& M" D, b6-308 Use of Bare Neutral in Consumer’s Service
9 d: H3 [& A& z. X" |2 ?, g6-310 Use of Joints in Consumer’s Service Neutral Conductors
4 @8 d+ D1 i# I1 l/ |6-312 Condensation in Consumer’s Service Raceway9 p6 R' Y0 }" C& k3 F' A5 v7 F
Metering Equipment6 P7 f1 q/ X5 j( p
6-400 Metering Equipment
/ s- l* w9 V+ X2 {: z* E- Q6-402 Method of Installing Meter Loops$ ~, ^) e! B+ l1 a# `4 t) t
6-404 Enclosures for Instrument Transformers
/ S; L d- o5 w/ L6-408 Location of Meters
5 S; e! }" G6 W1 R6 y- i
% i% ]9 N. g& J& H6 {5 E- ~- ESection 8 Circuit Loading and Demand Factors e1 ?' P x) T, j9 e
General
" i' K# X( Z# e- p8-100 Current Calculations1 t; _: Q8 i: R: y" v$ o
8-102 Voltage Drop ( see Appendix D)
9 i! m; F( E9 T! k8-104 Maximum Circuit Loading
% w. E2 |+ L+ H8-108 Number of Branch Circuit Positions
- P1 ^6 W* b- Z5 B6 T8-110 Determination of Areas3 L: E' u& b& `6 U; `) M- n" i' F3 w
Services and Feeders
6 P) ^. \) f8 h2 x* d }, |8 W8-200 Single Dwellings (see Appendix B)
8 K5 ]/ s$ d* c/ {: z8-202 Apartment and Similar Buildings
8 b2 U/ p! t8 p, ]+ N2 D8-204 Schools
, z: N! u1 K' m: A0 g8-206 Hospitals
2 t$ l- U7 d! l( I) ]! G4 b/ r* c8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
) S4 R3 h% }! B3 H3 S$ w' _8-210 Other Types of Occupancy (Table 14)
1 O7 [* `3 M3 X* ~) q" ?# R5 {8-212 Special Lighting Circuits
# B5 u4 _5 l. i' XBranch Circuits- ^% O( I& v2 p& f' S$ z
8-300 Branch Circuits Supplying Electric Ranges
5 \/ U# r5 K0 b" n3 H8-302 Connected Loads# w1 w) Q4 B6 u# h- {- J. R
& D* e% L0 y% {4 XSection 10 Grounding and Bonding; P7 V6 X: g" E) {
Scope and Object
5 @1 ~/ J+ v3 P0 }: ~4 z# {, o10-002 Object
$ z% z' J3 Y0 G' C2 i" |( x" `System and Circuit Grounding
1 q7 o( S9 Z6 @6 k$ ]! H0 _# N10-102 Two-Wire Direct-Current Systems
. S3 z5 t+ ]0 c) u$ o, d7 L10-104 Three-Wire Direct-Current Systems
7 J' f9 W% F& b9 y0 \/ o2 ?9 q- T10-106 Alternating-Current Systems
0 ~9 @9 I+ F# t3 j9 k* e& z% K4 E5 w7 ]10-110 Electric Crane Circuits
2 h5 H1 z v, u1 \* p, X10-114 Circuits of Less Than 50 V
1 g g+ d n! A10-116 Instrument Transformer Circuits
/ a5 g' R4 Y8 _3 F' ]Grounding Connections for Systems and Circuits
! |3 g6 N9 x% g4 c10-200 Current Over Grounding and Bonding Conductors$ \% C8 X0 f4 ~2 R! C; s
10-204 Grounding Connections for Alternating-Current Systems
" P% O6 M2 a' l$ ]1 X" J U& f9 O10-206 Grounding Connections for Isolated Systems. \, ^9 n8 t' R
10-210 Conductor to be Grounded
: H' f1 ]1 f Z/ T) U# hConductor Enclosure Bonding
9 ?" W8 H# V8 p5 s10-302 Other Conductor Enclosures- K4 E8 t! S1 |" @
N 10-304
" L# l6 I7 P0 v4 B0 v# m5 n: [Equipment Bonding
' x3 U+ f2 x/ U6 d0 {* A10-400 Fixed Equipment, General
( A7 J; g4 s! P7 t10-402 Fixed Equipment, Specific (3), (4)+ C9 J1 N; H* `0 F9 _
10-404 In Nonmetallic Wiring Systems/ a" |% C# D$ Z
10-406 Non-electrical Equipment4 N( P: q; }6 ?' d
10-408 Portable Equipment (4)(b)5 G- q" z1 N- h k. G. F
10-410 Instrument Transformer Cases; J, v$ ^5 G% i& U& }" N
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
0 k$ h a7 d+ i/ o! |10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V* ?# g! Y" j3 s$ O, a0 C- J
Methods of Grounding/ U; X h+ j# x _
10-500 Effective grounding (see Appendix B)
. s8 W; c+ N9 e* X! E ^10-502 Common grounding conductors/ I" X+ T- D+ b
10-504 Common grounding electrodes
4 @7 ~ N- T: O6 h" y" y' A! IBonding Methods
! ?- T! L; z5 y/ D4 ]! e6 t10-600 Clean Surfaces
1 L1 M! `# ?6 _. o5 t5 y10-604 Bonding at Service Equipment# D9 B8 D$ M( b( O
10-606 Means of Assuring Continuity at Service Equipment
3 W/ l, s9 g/ Q, S$ O% V% |10-610 Bonding at Other Than Service Equipment% M4 D& M. b) l' P1 H
10-612 Loosely Jointed Metal Raceways
! S8 W4 z* z/ l10-614 Bonding Jumpers Table 41: o8 _1 n+ ~! s; j" j
Grounding Electrodes) V5 A) J; f! f( B8 \$ n" U
10-700 Grounding Electrodes
5 y+ a% ^. L% s4 B ~10-702 Artificial Grounding Electrodes
: n' ]# y# [- N' H4 iN 10-700 & 10-702
9 R4 E. N6 W. w1 A10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
5 o( T2 E- @- ~" N% SN 10-702. A* r" m; F& T2 u/ F6 j! d
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding0 [# `. f2 i6 T4 d8 o
N 10-702% H; X% A3 F* k5 D# i1 b
10-710 Use of Lightning Rods (Appendices B and G)
4 q' o5 {% D6 ^3 [) u, VN 10-706
" k9 C# K% {7 t$ f" MGrounding and Bonding Conductors6 c' c1 l$ o! q& x" J0 {1 t- k
10-800 Continuity of Grounding and Bonding Conductors
0 \0 B6 ~7 V( c* ?- \10-802 Material for System Grounding Conductors" |" W$ O; y5 Y- ^
10-804 Material for Bonding Conductors2 o! ]( @+ \/ h2 @6 u, G
10-806 Installation of System Grounding Conductors+ h3 s" Y: i0 E) n. p! n0 G
10-808 Installation of Equipment Bonding Conductors; {, v- }2 t ~
10-810 Grounding Conductor Size for DC Circuits6 i7 u u. Q( M
10-812 Grounding Conductor Size for AC Systems (see Appendix B)# }! y7 X3 I6 a1 B
10-814 Bonding Conductor Size (Appendix B)( ^# H1 i7 r0 M
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment' Z3 F* P5 A5 Y& u
10-818 Bonding Conductor for Outline Lighting
. i/ T4 j- r ?* H( D$ p10-820 Bonding Conductor Size for Instrument Transformers0 E5 j* R% a8 V! K0 E. l, E
Grounding and Bonding Conductor Connections
2 X: B/ I9 A: S/ v10-902 Grounding Conduct Connection to Water Pipe Electrodes
$ W! Z7 P, y) R10-906 Bonding conductor connection to circuits and equipment
' w. [/ S: S1 ~+ t6 T2 E10-908 Grounding Conductor Connection to Electrodes
: k" L4 ^, U; \$ O6 V$ n" ILightning Arresters
3 j0 i4 S$ M& L) r& H" O1 _ G10-1000 Lightning Arresters on Secondary Services – 750V or Less
/ |5 u$ S T9 M; ]! l& O {4 t% Q# d% y4 a+ i7 ~
Section 12 – Wiring Methods
3 p: A' z& ?6 c; d4 r4 \Scope
' t; t+ X/ \# X3 S$ x1 J12-000 Scope (Appendix B)' u2 r: C! g3 y( K
General Requirement! C m ?2 P% {/ Y% w1 q9 B/ X
12-010 Wiring in Ducts and Plenum Chambers9 c! v( Z0 M. f8 F2 c
12-012 Underground Installations (Appendix B)
3 A9 L) ~' m4 n7 y e5 ?& t: i12-016 Lightning Rod Conductors
: ]+ L( y+ _/ Z8 _4 k% D* nConductors - General8 |! Y# j4 o: N
12-100 Types of Conductors (Appendix B) Table 19
9 @- Z1 s8 T% W+ e2 ` p# }12-102 Thermoplastic-Insulated Conductors" {6 [% y: m. k- z3 `/ W6 l# {
12-104 Flame Tested Coverings
$ M' _9 u1 m' Z12-106 Multi- and Single- Conductor Cables
2 F' ^# v1 |* Q' ]12-108 Conductors in Parallel (Appendix B)
& t% V' E: p# D) q& Z12-112 Conductor Joints and Splices
$ x% ^. q5 R$ O) X$ z12-114 Ends of insulated conductors, J5 s+ J9 Y$ _, l- ]" {
12-116 Termination of Conductors (Appendix B)0 d% e* E# Y* _/ K
12-118 Termination and Splicing of Aluminum Conductors2 @9 ~# L3 q& B9 u" _7 Y; B8 W
12-120 Supporting of Conductors - Table 21
( i0 K1 m5 T5 ?: ]Open Wiring# Y6 b- D# F7 k) `
12-204 Spacing of Conductors
' o. o1 I2 I+ |' x2 W12-206 Conductor Supports
6 c% x) r* k% D* J( n4 ^$ F12-208 Conductors on Flat Surfaces+ b5 Q, N, s) P4 L! L
12-212 Protection from Mechanical Injury0 B2 u1 i$ u M/ ^" B4 v
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises' i: T: D) p- ^
12-308 Minimum Size of Overhead Conductors) U- X% O( ~8 Y" }* T/ F5 F
12-318 Use of Neutral Supported Cables
* G& {; L+ s2 k( ?2 U) HNonmetallic Sheathed Cable; Z/ n3 K) [/ Q
12-502 Maximum Voltage
+ c3 n9 e; r1 O [; f12-510 Running of cable between Boxes and Fittings (Appendix G)" S1 _- K$ [+ T: Z( E c' d
12-514 Protection on joists and rafters" b3 D) x ^2 }& \
12-516 Protection for Cable in Concealed Installations (Appendix G)+ q6 I9 w$ w' v9 V% l
12-522 Where Outlet Boxes Are Not Required
- H: `0 |( O2 @/ UArmoured Cable
5 n0 d4 i) ]! o12-602 Use (Appendix B)
$ ]- s8 m( h. b12-604 Protection for Armoured Cables in Lanes4 H$ w5 W# C, g1 a
12-606 Use of Thermoplastic Covered Armoured Cable2 k- w) p8 O \; x
12-608 Continuity of Armoured Cable
. n: S4 s( Y5 C; [0 l12-610 Terminating Armoured Cable/ s% j* {9 [: c: D+ {+ e
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
u3 u" S% ]6 ]12-614 Radii of Bends in Armoured Cables
* P9 ~: K$ q! _; S12-616 Concealed Armoured Cable Installation& }. z' Q& o5 T) K5 N3 `2 Y; z, R
12-618 Running of Cable between Boxes, Etc* \! M; [( R( S5 b N; M
Mineral-Insulated and Aluminum-Sheathed Cable" i, o0 b: \0 Z
12-702 Use+ j4 ~3 A9 }+ N3 L
12-704 Use When Embedded
, w g7 B! Y* G8 A' y) }! C12-706 Method of Supporting
2 M: ]7 } |. G0 _: V6 {12-708 Direct Earth Burial0 G& k% T: o( c. `7 b
12-710 Mechanical Protection
) C- b: Y) |1 @% F! y. \12-712 Radii of Bends
( g8 L8 a9 L/ B9 h% B12-714 Termination of Mineral-Insulated Cable (Appendix B)
! ^) a$ B( a3 W" D; }8 \12-716 Connection to Other Forms of Wiring
* L6 A% ~( I$ E1 e7 R1 bFlat Conductor Cable Type FCC
7 Q2 c: r }' N) w& N9 [12-804 Use Permitted5 }& V+ E* d* p
12-806 Use Prohibited5 L) W; T1 U6 {( o4 N) K; A3 s& F
12-818 Anchoring
1 r9 C. Z4 g N2 }2 n+ Y12-820 Crossings: M' n" m* O9 ~' ]
Raceways - General
9 @2 V; u5 x% Z4 _8 P6 g. d& o& _12-904 Conductors in Raceways$ ^$ d( @" L; l* |0 y* E- |
12-906 Protection of Conductors at Ends of Raceways6 J2 G2 w: `; K5 |, z9 n& {4 _" ~
12-908 Inserting Conductors in Raceways1 ?7 i' F" p! r$ K# q3 D
12-910 Joints or Splices Within Raceways$ [* Y2 A) W# o+ w$ ~- C3 I, f
12-912 Stranding of Conductors
j' J' h8 d+ ]% d4 S% G; g12-914 Electrical Continuity of Raceways
' e/ ~' s( l$ T% _+ |$ {! m12-922 Radii of Bends in Raceways
; v- b) }% I% M# |8 r* F# \. pN 12-922 Radii of Bends in Raceways Table 75 y7 K! W6 y5 Q
12-932 Protection for Raceways in Lanes
2 d. n {1 F+ C. E12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)( {( D: z4 @2 q3 O' j1 A
12-938 Capping of Unused Raceways( y2 \: O0 g- b% ~& g
12-940 Maximum Number of Bends in Raceways9 I. f0 P q. c/ r
Rigid and Flexible Metal Conduit3 f# k9 y' _% S5 S/ I' @9 X* S r
12-1002 Use
+ ^# a/ J( g( U8 q12-1004 Minimum Size of Conduits
) a7 d/ T/ K( x0 @. L, A8 d12-1006 Conduit Threads (Appendix B). g/ V( u) z1 }! Y7 d; T
12-1008 Thread Engagement# Y1 [5 Z) K0 c! ~) s
12-1010 Maximum Spacing of Conduit Supports
# z2 M( k9 R2 j1 Q* D" {12-1012 Expansion and Contraction of Conduits (Appendix B)( C0 c& n& s; T* F6 n! o2 A5 n+ @( |5 l
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
+ p6 i/ l, r; x% @" z8 _/ R! QRigid PVC Conduit and Rigid HFT Conduit. P6 l1 j! o" l6 ~% g3 a
12-1100 Use
* A. b! c" g* w, U; e6 ]12-1102 Restrictions on Use
Q6 ?$ v. C' C: p- J12-1104 Temperature Limitations (Appendix B)0 f& v& |, t- r! A9 D' R
12-1108 Field Bends (Appendix B), (2)1 b4 O; p: ]( [+ {5 i
12-1110 Support of Luminaires+ Y1 A" z* |6 t- k5 g3 N8 y
12-1112 Fittings
2 i% \! c1 E7 }8 Y: q f2 t. |12-1114 Maximum Spacing of Conduit Supports
( U. ]4 Y9 y1 i+ l) v) @* I12-1116 Support of Equipment
. \8 [9 T( ?8 j2 n12-1118 Expansion Joints (Appendix B example), d) {6 P! z: S% m6 E3 o+ K
Rigid RTRC Conduit/ J, _7 r4 U" `
12-1210 Temperature Limitations
7 z3 J! D& ~- U, ~, g12-1214 Expansion Joints (Appendix B)+ _$ r7 O) u- S! o) a# x
Liquid-Tight Flexible Conduit! B) _; y) k$ u) }
12-1302 Use of Liquid-Tight Flexible Conduit2 r& E9 J$ t; H j6 c
12-1304 Maximum Number of Conductors
- n, n8 K' Y6 }9 A: F- |& x1 c% w3 }: h1 T12-1306 Provisions for Bonding0 p* @0 c1 K* {1 P( r3 s$ t
Electrical Metallic Tubing
7 Z* j& h1 o6 F& R/ D* }12-1402 Use
0 X( w" X/ D' g8 Z6 y. D12-1404 Supports
1 P$ w8 H9 k) [* E) T$ G- [12-1406 Minimum Tubing Size `: B6 q; r u, C, m: y+ v
12-1408 Maximum Number of Conductors
1 v. L/ ~0 i( S" Z/ I12-1410 Connections and Couplings$ R2 Z4 [9 C: ]
12-1412 Radii of Bends in Tubing" Q2 l6 v/ A. L. }) c6 V1 v
N Table 7
- c$ s, M# K9 w% J4 GElectrical Nonmetallic Tubing$ F2 Q. ^3 b, Y5 y" M: h
12-1516 Provision for Bonding Continuity. H1 b4 p7 [! k+ G( J6 z, S( n+ @5 s
N 12-15143 m, o, e+ U) V% f( A! T
Surface Raceways
1 |7 V: P" [( d( r# K6 Y- y12-1602 Use of Surface Raceway (Appendix B)
, `: g, C2 \( |; [12-1604 Temperature Limitations
% G$ a. A- S. p% s12-1606 Conductors in Surface Raceways (Appendix B)
" {- P& [0 Z5 U% f# |12-1608 Maximum Voltage
% b3 p* ]! f2 h" j6 O12-1610 Joints and splices
% ? s6 y* T$ |4 ZUnderfloor Raceways
0 T9 }2 X; V# t$ b12-1712 Discontinued Outlets in Underfloor Raceways1 n8 @/ n7 f2 n8 e7 q' y3 M7 w
Cellular Floors
! {7 a4 I* f) S. F12-1804 Maximum Conductor Size in Cellular Floor
3 T0 d* M' _! R0 a+ T: p12-1820 Cellular floor discontinued outlets$ r3 K, G0 G3 ~
Auxiliary Gutters$ Q( E: m7 J U, e$ S6 E% E$ `
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces9 ?9 H0 f/ _/ E% Z r
12-1902 Auxiliary Gutter Supports
: S# W: u q0 z) o12-1904 Auxiliary Gutter Cross-Sectional Area
* o- O' C5 L4 o1 |4 U' Q8 z* ABusways and Splitters+ p* C5 o2 z6 x8 l7 e1 z$ r# `$ H
12-2004 AC Circuits in Busways and Splitters
* u4 t- R; G8 u) Y$ z12-2006 Busway and Splitter Supports
5 j1 p0 Q, N* m12-2008 Method of Installation of Busways
& Y3 }; w# P- x3 J12-2012 Reduction in Size of Busways
$ E7 r9 l2 C+ n2 L% f, `- K12-2014 Length of Busways Used as Branch Circuits( ^+ ~# q* D) d$ c( O% d& D7 h
12-2018 Taps in Splitters
' M6 F! \& Y- `8 W, B3 |# c# N7 O+ j ~Wireways& j0 c' J5 T8 r! L
12-2104 Conductors in Wireways
0 x; z5 x+ I1 C u% Z12-2106 Taps and Splices in Wireways" g5 L% P7 [" Z$ Y T
Cable Trays
% T$ D1 q: ]" k; j6 N) \" n12-2200 Method of Installation (Appendix B)
7 g( Q& _8 Q! d* F! i7 n# l+ V12-2204 Joints and Splices Within Cable Trays1 S+ t( ~7 g# `: P. E( u# h* H
12-2208 Provisions for Bonding
; c( Z2 A! w3 Q% J: _12-2210 Ampacities of Conductors in Cable Trays# t @5 F! U" L K& n! n
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
) A9 z$ }4 O# k) w1 b12-3000 Maximum Number of Outlets Per Circuit
" I8 b4 E! k, S$ DN 8-304
8 `4 U" o2 e0 o12-3002 Outlet Boxes (Appendix B)
' j" ]! A$ E+ b4 G' t, EN 12-3000
% Q( ]7 w/ Z" p& y12-3004 Outlet Box Covers
) g4 s! u8 W" P* u! r( ] H" oN 12-3002# T- d% f- e: A; B' [# f3 I$ o9 @
12-3010 Boxes in Concrete Construction
/ U+ m# B7 l+ `6 \7 @N 12-3008
5 C& {" h' R+ P9 [8 A9 i! @# l12-3012 Outlet Box Supports
' i3 I* L; Y J# g) \N 12-3010
7 M# u8 h3 t6 Z) D' ~8 ?12-3016 Accessibility of Junction Boxes
9 h8 d, u8 k. K0 y- U# v6 XN 12-30146 P/ t- k5 X; b& r
12-3018 Flush Boxes, cabinets, and Fittings
# S& y( v1 l+ k' T4 PN 12-3016
' `1 `6 N$ t* E9 C12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 0 ` X- p& c" d& d5 F
N 12-3022+ t. P: `8 o( J) e' F; o( t( W0 Y
12-3036 Maximum Number of conductors in a Box - Table 23# | d, q9 A& ^# ]2 ^0 t1 C
N 12-3034
9 k/ Y- F9 Z. i& g, P12-3038 Pull Box or Junction box Sizes
7 O/ s/ X5 K4 |) B, h( nN 12-3036
- P' M7 h/ p5 ?5 p* W! ~3 o5 [ {4 _2 |. `. W! v; s5 l# l
Section 14 Protection and Control
2 y) z A' d9 }$ _" x5 uGeneral Requirement
7 E; ?% a* M, x- g8 Z6 K0 f& i14-010 Protective and Control Devices Required
4 z: s. {: \% F+ I$ [' X: S14-016 Connection of Devices
- m3 N0 a& ]6 O4 U% d- t Protective Devices – General0 Q8 a5 _7 ?3 _: K, c
14-100 Overcurrent Devices Required
. V& \9 n% |; x+ ?14-102 Ground Fault Protection (Appendix B)
$ w2 f- r) A1 d% F9 i# M# j14-104 Rating of Overcurrent Devices (Appendix B) Table 13
, [- z' k. c% k3 f2 R14-112 Overcurrent Devices in Parallel0 O5 t2 ~$ B. y( J) Y @& T$ [$ Y
Fuses8 H) P' [1 W% O, u8 J% m) J
14-200 Time-Delay and Low-Melting Point Fuses4 t" ?2 P/ X& C* q5 ?
14-202 Use of Plug Fuses
$ d. n3 j# p/ q3 ~7 i# [ |0 E14-208 Rating of Fuses
' `+ m5 ~3 w9 z, Y6 h! R6 k14-212 Use of Fuses (Appendix B)
7 C' Q8 j9 c/ z7 BCircuit Breakers. J$ v3 x" i( d+ l M* d3 O' ?& m
14-300 Circuit Breakers, General2 F7 K9 I- F5 ^" i' {; k
14-306 Tripping Elements for Circuit Breakers
9 e# K- l4 [ e9 n14-308 Battery Control Power for Circuit Breakers
4 y4 J5 Q% c" ^& {: [/ `: ^Control Devices - General0 P% Y( F- n2 u8 `. @
14-402 Disconnecting Means Required for Fused Circuits
; y& T: D: I; q" d5 |( V* h5 G" jControl Devices - Switches
/ t" c4 C, Z O( {. [, Z14-502 Mounting of knife Switches
% I7 H4 i5 k9 ?4 k14-504 Maximum Rating of Switches C$ X& P: `( e. {: a: ~: Z
14-508 Rating of General-Use AC/DC Switches (Appendix B)
* } c7 q/ X8 _. h# g: W14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
' y# }8 S ]" ESolid State Devices
7 b9 f7 B0 s7 g0 n2 j; P3 y14-700 Restriction of Use# B |2 m1 s$ w$ X6 x" y
14-702 Disconnecting Means Required
* c1 |2 E, `8 x9 |
4 O: c4 U+ ?8 V4 YSection 16 Class 1 and Class 2 Circuits
7 O- U& f6 f0 H( pGeneral
! I0 \$ F/ N x- V' Q4 ^' }16-004 Class 1 Extra-Low-Voltage Power Circuits
8 r: w2 k [4 P% N) K8 l# i- y( H16-006 Class 2 Low-Energy Power Circuits4 E/ p" K2 Y$ Q' \2 P* D
16-012 Circuits in Communication Cables' I$ y0 |& L2 P+ v4 p- \
Class 1 Circuits
' g% u# t9 S9 C# U; |4 o, M0 q16-100 Limitation of Class 1 Circuits/ h, b4 K& m9 t) F! v
16-104 Overcurrent Protection of Class 1 Circuits
0 ~7 q' Z7 C* F! u ]: Q16-106 Location of Overcurrent Devices in Class 1 Circuits
# ~3 [) s" W1 u0 q( P" B, e% A$ h# R16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
1 ]4 B8 D1 p) D$ `) D# z16-110 Conductor Material and Sizes0 c+ L' S8 d5 r8 v0 D0 z8 t
16-112 Insulated Conductors for Class 1 Wiring
+ y9 \: M! |1 AClass 2 Circuits
$ q1 q" w; ]9 k l& [16-200 Limitations of Class 2 Circuits (Appendix B)
% U# H9 S- G u16-204 Marking
8 o: q0 @4 c) n) M16-206 Overcurrent Protection for Class 2 Circuits
. o/ _1 {1 K$ g: D% h16-210 Conductors for Class 2 Circuit Wiring (Appendix B)' B" ^1 @( z# E% G( R
ELC: extra-low-voltage cable
8 j6 K5 z; W7 }% @) R1 v16-212 Separation of Class 2 Circuit Conductors from Other Circuits5 V; ~# G- ?/ p, d2 u
9 F( j, M" s l: \Section 18 Hazardous Locations: ^& {6 }' d, L p. D8 n
Scope and Introduction
3 U2 W0 s% _2 g18-004 Classification
' x5 \5 t, ~5 b u& b& X18-006 Division of Class I Locations (Appendices B and J)2 G+ j* L6 ?' A7 N1 V
18-008 Division of Class II Locations (Appendix B), M+ h; k# t2 Q. o2 `' Y8 f
18-010 Division of Class III Locations (Appendix B). D# v9 ~4 B2 y* G! Q
General) E& e! j7 P, O* n: E; [
18-062 Metal-Covered Cable (Appendix B)& J0 Y1 B& T5 I" ^) R! M
Installations in Class 1, Zone 1 Location. [8 G4 E3 x. _) a# H* C1 @
18-108 Sealing, Class I, Zone I (Appendix B)
. N8 Y% K; S2 @0 l+ i$ p: B* o9 r: d1 J
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
& V4 A4 A2 @7 ] e# X# T! vGasoline Dispensing and Service Stations1 `* \3 c1 D/ u$ W4 Q8 N6 I
20-002 General
9 g0 B# i$ }4 \* ~1 f5 }20-004 Hazardous Area (Appendix B)# E0 F3 A ~, Y) O( \ [
Propane Dispensing, Container Filling, and Storage$ W$ N( U* l2 G; K/ B% T$ }
20-034 Hazardous Areas - Table 63$ p4 q5 A8 H, m. R8 R, L" N6 O% Y' f% d
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities. _+ b: f# C3 ^- w
20-062 Hazardous Areas
: x/ H$ a$ g- l8 e) hCommercial Garages – Repairs and Storage, v0 Z# y" g q$ y
20-100 Scope5 j9 [ ]4 F5 W( b5 A9 w" ~8 `* w2 K
20-102 Hazardous Areas (1) ( y, C0 r a4 L8 G$ b
- w4 _4 c! U) A& i; d- g$ \
Section 24 Patient Care Areas
N F% |# F! I3 s: G: S# E1 v1 z7 t, |24-000 Scope (Appendix B): Y# K6 A+ D' Z) _0 ` S+ k) r4 N7 u
24-002 Special Terminology (Appendix B)( p" }. u4 }- X
Patient care area
9 i9 z0 v8 n$ @ EPatient Care Areas
; v6 }) R# `* ~6 v/ ]24-106 Receptacles in Basic Care Areas (Appendix B)
" t! G0 ^; I! T/ K$ c. F1 g' gIsolated Systems
; G: g3 y6 q- }' p& @8 G) \; J24-204 Single-Phase Isolated Circuits (Appendix B)3 ?, N3 x- C& x H2 ~1 B
24-206
8 [$ p# W3 q& v6 D, C$ d! D3 N
T* Q/ |: K7 z$ wSection 26 Installation of Electrical Equipment
, b# S# M; m( g, iGeneral
' M f; r+ o& `% T26-004 Equipment Over Combustible Surfaces (Appendix B)0 {4 H% f% j* k$ y# Y3 }5 B
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
) x) b2 u* J2 I7 c- M w Isolating Switches4 U0 R( p3 M5 O# Y+ j
26-100 Location of Isolating Switches5 ?& Y1 L1 O9 t0 M, w7 j5 L* `
Capacitors
4 v, |7 E/ ~% j: {$ q$ w26-204 Guarding of Capacitors
9 b% e' j8 u% T26-206 Grounding of Capacitors
z# H( B: ^/ E5 Z j$ P26-208 Conductor Size for Capacitors
( ^. W0 o. M6 Q/ t' P- O26-210 Overcurrent Protection (Appendix B)8 T6 v/ t: r0 |, A" V K' \
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits# a4 b3 x1 n0 ]- M
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
% y/ A& W" C- y& d9 b26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits* t& c9 f5 \( j: R
26-218 Special Provisions for Motor Circuit Capacitors
) E. w' Z/ I0 f+ W6 o! ?( a7 p26-222 Drainage of Stored Charge of Capacitors' r6 X7 n3 g T0 \/ p
Transformers
' ^5 Q9 _: G8 b' v" B26-240 Transformers, General: }4 t0 N7 R2 }4 d _6 a
26-242 Outdoor Transformer Installations
$ G# A* z( D `/ z3 r7 E26-244 Transformers, Mounted on Roofs (Appendix B): D' [8 \, P- h- |# H7 e
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
' ~' j# y; b4 h3 B4 D- X26-248 Dry-Core, Open-Ventilated Type Transformers
1 {# m* N3 ~) m& a: F8 D+ i& E26-250 Disconnecting Means for Transformers U; x( a6 k& M: J v6 |2 J
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V: o0 N; |2 e Q" Q( {; e: q
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
$ P+ k3 P: x a0 q26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)" z. K I1 B; z, f" i
26-258 Conductor Size for Transformers
: Z1 x2 j6 A( R0 U/ B1 B9 {2 ^) g26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
9 @' w0 [# d# |: k6 V; C6 K" H26-262 Marking of Transformers" V; A, x0 N8 }3 v0 \
26-264 Auto-Transformers
. L/ R7 Y. O+ i( w' R5 V8 RFences6 `- x& G1 M. @: f& j0 r7 C
26-302 Clearance of Equipment - Table 33
* w; h0 }4 s$ [Panelboards
: |! ?" e$ Q# g: _2 P4 Y26-400 Panelboards in Dwelling Units (Appendix B)2 u: \/ \, ~' S
26-402 Location of Panelboards (Appendix G) ], G N5 R- _% w5 h
Lightning Arresters9 f. a+ C n' ~9 p/ `, z3 q
26-508 Connection of Lightning Arresters
/ _& V5 z' g" s2 Z& \! F2 P/ kStorage Batteries5 u1 _+ m& M5 [8 d
26-542 Special Terminology
6 ~# A2 }3 n% W$ Y$ O2 c! r26-550 Battery Installation
! p/ A( E& m( f* p5 Q, B6 q( p26-552 Wiring to Batteries
# i0 b2 P* a2 s( g& }, aArc Lamps3 ]4 `. o8 `% \! i! p, f
26-600 Location of Arc Lamps! e+ |6 q3 @' i+ c
26-602 Conductors to Arc Lamps
6 L3 ?! e8 j/ j' j3 s26-608 Globes and Spark Arresters; s( ]: X$ ~3 o% l: {% L$ u- ]
Receptacles1 p# @! a! ~5 S5 v) n+ z
26-700 General (Appendix B)2 g+ n ?* |9 o$ f3 A' ^
26-702 Receptacles Exposed to the Weather; H9 H! \& N" X5 L: T
Receptacles in Residential Occupancies1 N9 K0 N' y& t
26-710 General (Appendices B and G)
- v% g. \8 P4 n! G) _* Z p* f- k26-712 Receptacles in Dwelling Units (Appendices B and G), K# |7 o1 J7 G/ a
26-714 Receptacles in Single Dwellings (Appendices B and G)" M! l9 y$ C) ~8 u$ Y
Branch Circuits in Residential Occupancies
4 { x9 L7 [' W8 {8 |; }26-720 General5 V( M% o. N2 s* ^5 t: |, q3 L
26-722 Branch Circuits in Dwelling Units5 ^) N- H1 n6 P% Y! ~8 P8 ]
26-724 Branch Circuits in Single Dwellings q. m/ U7 s+ P
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)& Z( ?) x5 V5 `) x
N 26-720 (F)
$ G! j( o4 E- Q/ M, aElectric Heating and Cooking Appliances4 C2 F" o1 A- a/ y
26-744 Supply connections for Appliances3 t$ T( {' O% @% U- ~5 o3 r- q$ P3 ?
26-750 Installation of Storage-Tank Water Heaters
0 P# o1 x8 L8 M26-752 Infrared Drying Lamps" s( k! \3 N' p$ m1 \3 o- P" F* n
9 q+ }: T R/ ^Section 28 Motors and Generators$ q: L' a/ T( N$ Y5 m. _
General
- w& t- U$ x* O# G/ p& H28-010 Special Terminology: j5 r2 b4 r# `' m7 G3 o
Hermetic refrigerant motor compressor h! h. b9 Z2 E7 s1 K* ~
Locked rotor current rating7 }! m2 e8 B- _
Service Factor
- G) i# v7 p( s& G3 aTable 44; Table 45; Table-D2
1 ^, a% {3 N$ `# P6 [7 n! J! a SWiring Methods and Conductors
' r% R: k5 I5 b2 q6 K* [3 _5 ~28-102 Portable Motors
2 H6 e& ~. H2 r, j/ P' H2 z28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
R' Q D- K8 ^& E28-106 Conductors, Individual Motors4 G0 f7 D4 D7 b K3 V: k; L
28-108 Conductors, Two or More Motors
/ x# \! }( s( A2 n. G28-110 Feeder Conductors+ ]4 f1 g2 h3 I- U5 p
28-112 Secondary Conductors$ C6 {5 T2 O" a; T. N6 E6 Y
Overcurrent Protection
h( A9 e5 `: u7 q* ?2 N28-200 Branch Circuit Overcurrent Protection
! K7 o. S) Q; ~! H+ D: J6 \28-204 Feeder Overcurrent Protection
4 j+ L8 F, \+ A: ?28-206 Grouping of Motors on a Single Branch Circuit
0 O1 Q; @; q* y28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
3 ^# C4 e0 ? u7 l7 s* l J- L: COverload and Overheating Protection. e& Y. c% [1 w% z& y
28-302 Types of Overload Protection
' s/ x/ Y. z' o( h) w- N28-304 Number and Location of Overload Devices (Appendix B) Table 257 H9 n) h( T9 g. Z) l* s
28-306 Rating or Trip Selection of Overload Devices (Appendix B)' _2 [3 U; ^. \2 ^; I
28-308 Overload Protection Not Required8 S$ U5 \, t5 p. j4 D: O3 e" w
Undervoltage Protection ' P& _* D: Q! J. H( x
28-400 Undervoltage Protection Required for Motors (Appendix B)
' b) X D; u" M0 S$ QControl& H, b: K; p6 Y) j3 ~) w# e" B
28-500 Control Required% W1 t2 R( f, Q
28-502 Control Location7 Q2 C( x% b" [0 Z" O8 `
28-504 Starters Having Different Starting and Running Position
, z# d" o; P- @5 Y28-506 Grounded Control Circuit
% O. g9 v) \2 u+ t& g4 R cDisconnecting Means
7 j- R" m) ~( u1 L) d6 v28-600 Disconnecting Means Required t h. t% ~% W2 [
28-602 Types and Ratings of disconnecting Means (Appendix B)
1 v0 U2 \# ^ \3 H28-604 Location of Disconnecting Means: }# m, v; ]/ c; j3 r- z; m6 X$ C. @
Hermetic Refrigerant Motor-Compressors6 w+ G ]# Q+ i, u- \5 P9 |
28-706 Conductor Ampacity
" ?/ b$ }+ z2 { b28-708 Overcurrent Protection
6 Z8 F# ^, }, g* W, W; Y$ d28-714 Disconnecting Means
) Z/ i+ n5 }# ^ S/ X( \! w2 r8 WProtection and Control of Generators6 w+ k0 _ s1 D6 B7 O% L3 p& B
28-900 Disconnecting Means Required for Generators
- ?3 J9 f( g' C0 E6 l28-902 Protection of Constant-Voltage Generators6 C" ~' i/ ?6 D+ }& p" T ^! p5 p
28-904 Generator Not Driven by Electricity
8 Q1 {1 O0 X* s) m" U28-906 Balancer sets
! H$ s v; e- B6 z0 a28-908 Three-Wire Direct-Current Generators# R2 I. ]5 q2 `! Y7 @4 N+ E# U( o% s
2 h. E1 x4 E- `3 q$ @- L! V `Section 30 Installation of Lighting Equipment
+ s' f- r4 u7 ~- M* U30-002 Special Terminology (Appendix B)% A/ e7 ~+ ^. D. m- a5 [6 A9 L
General- F8 e( m# H9 i5 e
30-102 Voltage- y- J1 ~/ q5 b9 w2 d
30-104 Protection (Appendix B)
; e; z: p2 [& b9 r30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment3 Q+ f! w8 _2 m& h7 C
30-108 Polarization of Luminaires
, \: S1 R; ?8 D30-110 Bonding of Lighting Equipment/ Y4 \" N* X/ O# D2 q$ S- j3 z; |- S
Location of Lighting Equipment
8 _2 n2 ]' f% g( |" k30-200 Near or Over Combustible Material
5 e Q0 z+ g+ R! u8 s30-202 In Show Windows7 ?6 o' b4 H! H9 O H. \( J8 w, R8 z
30-204 In Clothes Closets
8 j( t' f) {9 B& rInstallation of Lighting Equipment
+ c# c) z( ^# n0 g V( I) w$ [8 r30-302 Support
: y( g1 q7 s+ T8 u1 K% O/ c$ N7 H; Q30-304 Outlet Boxes to be Covered
) F7 `3 ]# x) _2 F9 r6 x+ Q/ K1 V30-308 Circuit Connections
: t7 U4 j. i/ k/ g' w' W8 m' x30-310 Luminaire as a Raceway
6 p0 ^, C* j1 c7 x30-314 Minimum Height of Low Luminaires
( ~0 H& B9 r* h) N) m( O30-316 Luminaires Exposed to Flying Objects
/ i" o9 d3 j' t30-320 Luminaires in Damp or Wet Locations
6 Z" B, e( I. Q# d( [! I, Z' iN 30-318! I: `' M+ { C) j$ U
Wiring of Lighting Equipment
& d: P, f: C" f' H6 l30-400 Wiring of Luminaires
) h$ j# [" @7 M& M$ a30-402 Colour Coding* h2 [! |2 R3 t" `9 t+ {
30-404 Conductor Insulation
% X/ ~; ~% `8 F! l) z30-406 Conductors on Movable Parts
2 Q9 c0 B, I) x( e6 }3 Q30-408 Wiring of Ceiling Outlet Boxes4 O U g2 {6 o R* f
30-410 Wiring of Show Window Luminaires) Q9 X j/ A' e% ?5 r
30-412 Tap Connection Conductors
& x' g/ |) I# B2 @7 W* LLuminaires in buildings of Residential Occupancy2 q' x5 t1 V0 K# ~. J
30-500 Lighting Equipment at Entrances (Appendix G)6 p A0 \2 H1 n/ o/ S$ i: l
30-502 Luminaires in Dwelling Units (Appendix G); {& H& a$ O& Y
30-504 Stairways (Appendix G)! `! N6 T) m4 V! J, y7 k
30-506 Basements (Appendix G)7 M8 k8 c9 e, m# { K; D6 i
30-508 Storage Rooms (Appendix G)
& \; w: Q* k* {% a/ e30-510 Garages and Carports (Appendix G)
$ M6 T! P5 Y8 m \5 D0 QLampholders
0 J; f, s+ e! D2 k) n30-600 Lampholder rating with Incandescent Lamps
1 M$ E5 z3 t) eN CANCEL# z8 y( U, u# _: P
30-602 Connections to Lampholders- Q& H% r% | C$ }/ m0 H
N 30-600
9 [" r' p# d6 g& j30-604 Switched Lampholders Used on Unidentified Circuits9 _! G! J. r% g
N 30-602* J! W1 j' {8 r, Q
30-606 Switched Lampholders with Pull-Type Mechanisms
# Z, P0 ~" b1 ^* Y" m- sN 30-604
% f9 R/ X+ t. B2 l0 U) I30-610 Pendant Lampholders0 c @8 {0 Z) `& W
N 30-608
6 n Q6 P5 a+ p' B8 i, mElectric-Discharge Lighting Systems Operating at 1000V or Less! X# k' ]& z3 w; |
30-710 Control (Appendix B)' h+ o0 i4 N& u Q7 b; }2 m
30-712 Branch Circuit Capacity
! C) f, |# O+ n3 f+ ?$ zElectric-Discharge Lighting Systems Operating at More Than 1000V' o/ T2 O% O3 n5 u' g+ y
30-802 Voltages, Dwelling Units
) p5 g5 A% `& U$ \30-804 control (Appendix B); z" a5 e& D M9 }
Recessed Luminaires (Appendix G)# j5 ]3 p) V; o: G0 z, }* B! |1 h
30-902 Spacings for Non-IC Type Luminaires( G6 m9 \, Q/ ~
30-910 Wiring of Recessed Luminaires (Appendix B). U' n, B4 c& q) z3 b
Exposed Wiring for Permanent Outdoor Lighting8 Q: f0 F6 A* y, ?5 y
30-1120 Branch Circuit Loading and Protection
; |( {5 U% ]. G; B+ z3 D! E+ NExtra-Low-Voltage Lighting Systems5 k6 X7 A6 }" s0 {# u
30-1202 Sources of Supply& V: q( b0 c, {' u. N8 |
) z# D' A0 w A" ], L* R) kSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
% P, ]( V. w/ d9 s+ e4 ~Fire Alarm Systems2 W2 A4 s* \' O$ q% ?1 x5 g
32-100 Conductors4 q2 g( ^) b/ E
32-102 Wiring Method
9 t+ N2 A8 D: u+ v, K, i, d B, b32-104 Equipment Bonding
/ [1 c; G( ~9 q, F8 e* D, [! p2 R32-106 Electrical Supervision( Y# v7 g7 h3 H- ^" P
32-108 Current Supply* |" V0 e# D: f
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
& _/ x0 Q1 R3 iFire Pumps
$ I1 q3 H: W+ A3 h5 N7 W3 T3 }32-208 Overcurrent Protection (Appendix B)9 `: W) ~% B7 g( F
N 32-206
* t" C$ V! N/ Z1 n4 V32-210 Overload and Overheating Protection (Appendix B). Q7 p! ?5 ^( ?1 b- T% q
32-212 Ground Fault Circuit Interrupter (Appendix B)
4 M7 h$ r- Y/ s5 L$ r& U) o! H9 R" [
Section 36 High-Voltage Installations
0 Q7 B6 L1 r0 }General* B. W5 K) ~7 N( G/ _) ?
36-000 Scope (Appendix B) T/ x7 E J6 E) F
36-006 Warning Notices
7 d1 ?+ J* H+ F2 J& bWiring Methods9 r k+ l( Z& c- l
36-102 Radii of Bends
: i! g, D, d' B+ N$ `36-104 Shielding of thermoset insulated conductors2 m" Z8 v0 }/ r1 @( Z ?0 C
36-108 Spacing of Exposed Conductors (1) table 30, table 31
. [) ~$ y% h6 [" {) q36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34# I# \: v0 g5 g5 K- k
Control and Protective Equipment* |' `' V, ]3 O- z% g) W
36-214 Disconnecting Means
0 r) i9 J7 q& p: ]7 G S& h Grounding and Bonding; `0 R6 V$ M; E! s$ E8 R
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
) l, o3 L; @/ g7 w1 Y$ R36-302 Station Ground Electrode (Appendix B)
/ V" _. K6 T/ x) u9 z1 ^36-304 Station Ground Resistance (Appendix B)
3 z% W) R, Y0 H" m r36-308 Connections to the Station Ground Electrode (Appendix B)# y9 P. h( M5 G6 T0 J' T
36-310 Gang-Operated Switch Handle Grounds
! j* K, Z9 F- d5 q+ p8 a s2 {" Y+ V! s36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations* b! ]7 H& t9 c% ]
, Z( f7 d' \$ ?4 q7 o( sSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment: T0 f8 R( g* b2 P$ o" w+ t; ]
38-002 Special Terminology (Appendix B)
[6 l" i" x2 l8 G38-003 Voltage Limitations (Appendix B)3 o8 a, E. x, Z; _8 a* I: A2 S+ O0 |
38-004 Live Parts Enclosed- c) z4 s; H5 P
38-005 Working Clearances% q7 \: M+ l+ T5 k( i
38-011 Insulation and Types of Conductors6 q! F; T' r6 D+ ^4 i
38-012 Minimum Size of Conductors8 ?* C4 b. p$ m% d: G4 m
5 {5 J& R. i6 n2 }+ w
Section 40 Electric Cranes and Hoists/ ^3 p! G8 c0 `; p" D
40-008 Disconnecting Means A L* N0 G; H- t4 X% S
40-010 Main Contact Conductors
5 A6 E/ t, P/ Q; m4 D9 b$ C
& v U2 b3 I& l7 x# OSection 42 Electric Welders
: Z0 r' H3 W* aTransformer Arc Welders0 b5 p% w4 Y% S& I- _
42-006 Supply Conductors
% d) G$ v* k8 k3 s8 M+ s+ O$ c* M; F9 y) L
Section 44: Theatre Installations
2 k$ P+ N V/ I# z) P! ?' ~; b6 FGeneral
' k; B/ e* M" @( \! x44-104 Number of Conductors in Raceways, e5 J0 [7 ~$ ^6 I9 P2 z0 z+ [
44-106 Aisle Lights in Moving Picture Theatres& Q$ D' z" u6 n4 f$ x3 {
Fixed Stage Switchboards t" N/ ?, E: C' b
44-210 Overcurrent Protection- s# }* x' ^: X } |
Fixed Stage Equipment3 a8 X# [. s X' `6 v
44-324 Receptacles in Gallery Pockets
( B4 c! G+ G: i" ~8 `/ U, H44-326 Receptacles and Plugs
" i+ K2 n& E8 Q# D7 H4 r( ]- r- `* F+ D8 M; U
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
) `+ E; \& Q6 p; P1 Z) RGeneral
, I# h* D* C3 M; t+ N6 L46-102 Instructions
% Y7 c: R- Z3 @1 O5 E$ S! M" k/ {46-108 Method of Wiring (Appendices B and G)
, d1 q* `5 t' VEmergency Systems
% F4 v f2 I: N9 O46-202 Supply (Appendix G)
4 n5 o0 s& e) }46-204 Control
0 p! Z, C, h2 P/ [ K# u46-206 Overcurrent Protection
1 a n% A4 U7 l0 D2 D% f46-210 Remote Lamps0 m, [9 Y2 h0 s7 d
Unit Equipment
$ j" _; m- s7 a: M46-304 Supply Connections! w6 x' x9 G5 I! j& R. [* c
46-306 Remote Lamps (Appendix B)
( V% a7 ^9 T2 z" G4 f n u4 EExit Signs
9 [- V* N1 m! T( Y4 }. _; p46-400 Exit Signs (Appendix B and G), M# Z/ s9 d) v( m" t
) B1 P' N0 N: P' hSection 54 Community Antenna Distribution and Radio and Television Installations1 o; K* A* p9 O4 M
54-000 Scope' ]" A; Q9 H! v5 w8 o" l
54-004 Community Antenna Distribution (Appendix B)
3 H. v4 z/ [# t# G% P# ]! a) v& h. @4 yCommunity Antenna distribution
) ?4 G: L1 q' \' }4 n% B54-100 Conductors* h, ~# k) R8 i
54-102 Voltage and Current Limitations (Appendix B)
( D, {) t0 m. R, E( rProtection( u# u' b9 \# h g: r
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
+ i, ^5 R4 V+ E: {Grounding9 ~% O2 C" ]* ~ v
54-300 Grounding Conductor
5 K9 V% S9 T. |- `7 o0 NConductors Within Buildings$ @2 ]& B M, G7 z) k
54-400 Separation from Other Conductors
2 N4 G4 t2 S: }0 L1 {Equipment
d3 g; ^. a- f+ i5 `" D8 m! s# O54-500 Community Antenna Distribution Amplifiers and Other Power Sources
1 g6 `) a5 @: m. T54-502 Exposed Equipment and Terminations
( c& o) | @& L: [
; B, ~. U5 L f KSection 56 Optical Fiber Cables( \1 d1 u, l: e& X1 v" J7 g
General
" L, B' D& G% F) `56-100 Special Terminology2 e4 V- b+ \' s- Y1 V. m
56-102 Types2 s+ l% w& t1 F; C3 |
Installation Methods
, J) t) p! D8 i! U/ Q6 i1 F56-200 Nonconductive Optical Fiber Cables (Appendix B)
* o) Y$ `' \6 i& D; s' J( t: T56-202 Conductive Optical Fiber Cables (Appendix B)
' ?2 T5 ?' @- u56-204 Hybrid Cables
- i8 ~5 E# p; u6 r( Q) ~3 T* s' X56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
/ ~7 u) j7 w% a; J% f$ e3 x- G
- |- G' f7 n2 C8 f, ]& gSection 60 Electrical Communication Systems+ g/ u3 [: a+ i# {
General
- z1 p6 M; E. c8 L& ^ c+ j1 s60-100 Special Terminology6 r1 @, p0 _9 A0 c; w
Protection
" m' {1 S5 a. W* J B# T7 Q& E60-202 Primary Protector Requirements4 ?/ L: o, b. P. q
Inside Conductors
1 z4 ^1 I2 `* B8 [' p1 n1 W* k Y60-308 Separation from Other Conductors/ `! r w" o+ K4 \& u+ O p9 R
Equipment$ l& Z- f/ X4 M4 L& v# `7 G. Y
60-404 Exposed Equipment and Terminations
# N2 g, U1 j7 |) h4 ]( QUnderground Circuits
, [7 M+ M8 b% I J9 k' x- n6 l: S60-600 Direct Buried Systems' \" S$ [4 D3 G) m% H0 v
7 l2 [7 c% \( j- r+ |( f
Section 62 Fixed Electric Space and Surface Heating Systems+ O3 T8 d; b$ w) M* G* y; X
General8 c+ H- b$ E. ]
62-102 Special Terminology5 [3 E* z6 G3 V1 Y. \
62-108 Branch Circuits" X% f9 C" r. s0 D: W9 Y
62-110 Installation of Fixtures
: W3 K9 S% }) \* e5 [62-114 Overcurrent Protection and Grouping (Appendix B) (5)
& j6 y1 z+ v( F/ I5 }, C+ H L0 T62-116 Demand Factors for Service Conductors and Feeders (2)3 H. h% \6 ~% g: q9 v
62-118 Temperature Control Devices, {" F- G2 z6 h. O0 [9 r
62-122 Installation of Series Heating Cable Sets (4)(7)+ r+ }; Q k' w; w8 T* q$ U
Electric Space Heating Systems
0 k# n! \! M: n8 J62-202 Temperature Control' C4 S B" U4 R- ~' Y
62-206 Proximity of Other Wiring (Appendix B)5 n1 q3 o9 R& ?! W
62-214 Installation of Heating Panels and Heating Panel Sets
$ d7 W1 W6 m" s% i. C' X; a62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
9 d! ]2 ^2 E' n1 C5 ] F3 `62-226 Installation of Under-Floor Covering Heating Panel Sets+ z4 V' t1 `% Y A0 R" ]
Electric Surface Heating Systems1 C Q2 s$ m9 [( j
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
. R2 l3 z- X- A- ?. _( |8 i0 c5 W; F# z- [. G5 C: p3 c
Section 68 Pools, Tubs, and Spas1 E h) v' {7 j, ]
General
' d% @: w1 |# z+ ~2 }68-050 Special Terminology
- r, Y, A$ ^) k" e( q68-056 Underground Wiring - Table 613 w* B8 g: u: L& O) s" ~3 `
68-058 Bonding to Ground (Appendix B)* O/ q. @4 X; K" G8 N- G* N
68-060 Junction and Deck Boxes (Appendix B). S+ N% j: n1 _5 t v, [9 |
68-064 Receptacles3 y9 W* h$ g q/ g
68-066 Luminaires and Lighting Equipment
, M( e( J) n" Q0 L3 c/ \: S4 J68-068 Ground Fault Circuit Interrupters (Appendix B)
% _4 e3 d, @& ]0 i3 y2 h) E/ b
1 A$ l6 Z2 I" D3 ^* N+ I/ S/ sSection 70 — Electrical requirements for factory-built relocatable structures and
. U, V/ X$ r% y7 x2 n3 ]non-relocatable structures5 L9 W8 C4 V. b/ M. c1 G5 m
70-130 Tests (see Appendix B)
' b3 m( {: ^* n( k$ k
* z7 N+ e. X; nSection 76 Temporary Wiring (Appendix G)2 z$ v% y- K! z
76-004 Grounding0 W( |( z# C5 e# u. n
76-008 Service Entrance Equipment
& G. H+ j4 h: \ B9 W/ |3 }N 76-006
5 Q1 _& d P% y+ a) A76-014 Branch Circuits$ h, V! ]& i: j9 T
N 76-012$ K3 q2 D' G7 ~3 M# ?$ y- }
! H# K V6 [) ~% U$ N% ?Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
6 j- S7 Y+ Y" H2 G+ IMarinas and Yacht Clubs
' u; m5 \1 Z* P78-052 Receptacles
, z) {. E$ Y5 D( p0 t78-056 Feeders and Services+ v) j0 c8 F+ R [- w$ b( a
Marine Wharves, Structures, and Fishing Harbours2 W: h A8 Y0 L
78-106 Grounding and Bonding" q7 e6 Z/ I: B; h3 ?. N. Q
Tables; Y$ r0 @0 j( v
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+ m# k2 f' c- Q' [! \5 u7 P E
- O" d, l3 j0 p8 |
Diagrams: 1, 2, 79 p1 J$ a u) _; r9 b- C b) U1 x
5 f) i8 s* J$ K& G" [8 a9 mAppendix B
- f) l! }. X. MP352: Ground fault circuit interrupter- 6mA3 j( i/ D" ^+ [# c W
P354: 2-126 FT1, FT46 f- N, _* l) n
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)& b. @" d/ R4 ]+ R% a9 L
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1), |6 b7 H% z; v/ H( }2 w/ k: h" u9 s
P370: 12-1012, 1118, 1214 Example:
5 f4 C( e. S. P) g/ b, B; eP371: 12-1108' b2 h+ O) i0 p5 N7 \
P381: 18-108(1)(b), 18-158(1)(b)
3 x4 z1 F- g0 M6 @+ \# ZP386: 24-206/ }9 ?, X3 r0 F% l1 z
P389: 26-256) p4 z3 N0 x! K/ Q
P391-P393: Section 28, Example to determine Motor Conductors and Protection* ]" w5 j5 K j: J" K& ?9 P
# c" X5 s" x' s% G6 F: ?
Appendix D4 _4 A- i) ~" B1 m7 n1 I v" C
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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