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Canadian Electrical Code Review Guide
: |2 \, Q" k4 }& MFor the Exam of Electrician For Red Seal License a* h. v$ u( S6 E) b) U, s
: E& p: h$ S; Q6 O
Lesson One
$ Q9 q b5 y2 U( e- qSection 0 DEFINITIONS
- Y" X5 @' B2 D' x! i7 l5 UThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
, ^# h( I5 O& VAccessible as applied to wiring methods
) C: g: n5 C. O( _Alive or live
% r6 u2 s! f) m: j' H& q( k$ ^Aluminum-sheathed cable
P2 l5 N9 j+ o2 ~( k8 XAmpacity
& p& k6 n- F& ~! @4 O+ EAuthorized person+ o. a4 s; I/ E
Auxiliary gutter M% b) z3 s, h$ s2 X9 o& h6 U
AWG
3 @- k! ?7 R( h1 {2 A# `Bonding. h! g" S$ p, ^2 w3 K# T* i$ a
Cable tray
$ }; L9 h. G4 ^( _& R; D9 HCellular floor6 V( p3 Q/ i% Q& B3 q
Branch circuit
& K& I6 J3 ^% ^: W5 h2 KBus
# M5 ?! X, X" B, B* I$ U& C4 w$ q! zBusway
9 {+ r. F: H; r. \. oCommunication circuit
/ ]! v# |# i* o6 \1 iExtra-low-voltage power circuit4 K0 r# c# s* X0 P6 F4 ]0 y+ A
Low-energy power circuit
& j6 h P; B& U9 i& fMulti-wire branch circuit
* r* u% x; g; Z' W$ `/ q$ m5 ZRemote control circuit
2 f7 C0 S# z% `+ n5 ?Signal circuit& b" N- }7 ^1 w- K2 }) k
Circuit breaker
9 R/ U! ]+ H+ G) k9 r) w# g; b3 |Instantaneous-trip circuit breaker! a% _0 P2 }1 z6 l ?: S2 [
Conductor
& N3 b; C" h n) e% h( NConduit
0 W6 @; E% c% s& F3 ], ?# C: ~ Flexible metal conduit
* L0 V) w' E1 ~ Liquid-tight flexible conduit
: P' I) P( P0 `& C# D Rigid conduit
6 \/ m- v& r0 V3 r6 ?& W Rigid metal conduit$ f H* ]% M& j* H
Rigid nonmetallic conduit
8 Q! E- ]4 y6 {& E Rigid PVC conduit/ W) l7 z3 w: B$ P" F
Connector" G: E8 j5 q2 T' j: t+ ?$ l
Box connector/ Q$ B3 _7 [/ A+ L: t5 `: p# m
Wire connector
: e1 q% H6 |( a p+ m9 qController- I# q) N3 ^ n* x! F2 a5 W: ?
Disconnecting means
8 ]9 Z* X O7 x/ dDust-tight
! i. i( j$ T: K: q! qDwelling unit) e* T3 P# [2 k
Electrical contractor) C& D2 _/ s! F, j+ u* R. i. q/ D
Electrical metallic tubing
8 c! {# A+ Y6 F0 q) O" e) qElectrical nonmetallic tubing
7 @- q3 A8 ]' iEmergency lighting8 R& x6 a6 l, p
Explosion-proof
7 A6 @& `9 u, \. O ]# f) J) ZExtra-low-voltage power circuit9 L4 X; A2 w1 p) K
Feeder" z) |! U% V5 e/ p* z
Flexible metal conduit; \4 Q: K; N1 w P, J
Ground
/ P, g2 h( W$ y# W% h# rGround fault circuit interrupter
- _8 P" E: i# M/ |Grounded
) c% x S5 R% T8 W5 Z" r1 cGrounding
' j& n8 A0 h8 h4 F5 w1 I4 U; @7 UGrounding conductor
5 Y; N- Q e+ T! {1 |$ W3 a1 V, ?" uGrounding electrode
9 _8 E6 I5 j6 g4 tGuarded+ @- w: e; C& i0 p4 b' Z
Hoistway
! ^" O. o8 ]+ M- N0 y3 {& oIdentified
7 {! z" b' M) t, vLampholder
; O" f! ?1 J2 m/ C3 gLow-voltage protection, }5 n$ v) ?9 p4 ^0 T, h
Low-voltage release
8 a* [) Z! [% [& z$ d6 NNeutral
4 k: _( i6 X! d" y1 H: _Noncombustible construction
% n; z8 ?1 l( b7 c. o4 i# Y! N8 WOutlet5 e- ~+ T- V6 d; x
Outline lighting" w* ?! s+ i5 q! B- ~
Over current device
# @' N& q! U ?: ZOverload device
+ t% l7 J9 x) F3 LPanel board
. h5 I" B% l9 i- X( xPanelboard, enclosed3 h0 y7 u8 @0 F0 I, s
Permanently connected equipment' d8 K4 l$ V5 `8 J# h
Permit
, m: S0 k( y/ B6 J1 R& \+ B* QPlenum
5 i! g2 ]8 S2 }6 JPortable as applied to electrical equipment
* g$ k# r+ }5 w; kPortable ground fault circuit interrupter$ R: l- ^. K+ f/ j( M- @* b3 m. u
Power supply cord
2 P2 w6 p0 ]$ g. W$ VRaceway
3 \7 J8 F/ D5 [/ f( g+ f9 T# H- SReceptacle
' G; _4 D( M' L( _) P: x9 g Duplex receptacle B% ~; L9 ^+ Z* y
Single receptacle
2 C. ?( R0 |, F! w4 ` Split receptacle
9 d8 X& s" Q/ }! s% h4 P* AService, consumer‘s
/ y* |/ L3 T, c. i% MService, supply H- N: N- m7 \# J- _
Service box
$ _0 E q/ k& t) }Service room1 o- s, k v0 \, x' z) c' W
Single-dwelling
2 E: l; ~2 n& b1 a2 ^) Y. R. ~Slow-burning as applied to conductor insulation
2 `6 h% I; U+ V* sSplitter
3 n# A2 T, x( T3 x1 tStarter, Q6 N5 q2 Q4 f8 P& e
Switch- @% u- S- }9 y: ~( e6 {, b0 w+ I
General-use switch
: ] H3 F: R6 Q \ Indicating switch0 A2 f; B7 o% q& q1 \" F
Isolating switch
: O; Z) B8 Z* _' f5 ` Motor-circuit switch
0 M6 X$ L1 }- v* {System
% L' E% E/ w E Communication system
. M: O% k# m, X/ {; l/ r" p6 G9 | Community antenna distribution system(CATV)6 ]" y2 B8 }+ j/ B
Grounding system5 `5 f) w S ]# i# `( G! l0 ]( F
Underfloor raceway
0 \3 P' r& Q9 q D2 Z4 ~/ k5 uVoltage:& b4 t/ {& Q; O. t6 H( @
Extra-low voltage
4 E. q% l" X& y1 Z High voltage0 q# y2 a4 d3 C# s: z
Low voltage
6 H* S J+ W7 l2 PVoltage of a circuit5 z6 u L2 V! i7 G) M* g7 r
Voltage-to-ground; } i6 G* ]) ]. d. |
Wireway* p2 u+ c2 B- T5 p! K) e
. N+ D' Q8 o; [
Section 2 GENERAL RULES
* R# A* W6 u X. m/ y* {* k+ vAdministrative+ @+ Z0 |+ l0 M
2-018 Reconnection
; |% j+ z$ y. T. s9 h/ l. F5 S2-030 Deviation or Postponement
5 o( D* `3 `1 B6 A2 o& B ]Technical General% I* E3 T5 [& p7 `
2-106 Circuit Voltage-to-Ground – Dwelling units
, W" k' m: S: @" N2 @/ A# U5 [2-114 Soldering Fluxes: p; V" O+ a# q% g% q& c! N9 g2 U% R
2-116 AWG Sizes of conductors
7 z7 Y5 m; a* D8 r" W# f. ^: c2-124 Fire spread (see Appendices B and G); } |2 t4 \2 I
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)5 X/ q8 x2 ]7 g0 ~
Protection of Persons and Property
$ @- H. k1 r/ U( P; P0 \" T8 y+ K2-202 Guarding of Bare Live Parts# E+ D$ U" _. y$ B" f
Maintenance and Operation
: W1 {! E5 H0 ^/ m2-304 Disconnection0 p; g% O6 j; b" o# H9 Z
2-306 Maintenance of Live Equipment/ i6 { m- P" W1 A8 A
N 2-306 Shock and flash protection (see Appendix B). f# @4 v B3 P% Y
2-308 Working Space About Electrical Equipment: Table-56
' s3 R# e+ A7 w$ p h2-310 Entrance to, and Exit from, Working Space1 I- f8 P' \: d% l+ v* _
2-320 Drainage
& W% i9 w& e& L" k" a2-322 Electrical Equipment near combustible Gas Meters and other Devices
7 A+ [' ?6 ~) I3 K8 s. e- PEnclosures
: V' {! _! D0 K( A d: }" H) P/ i2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
F# q% J7 a( ?8 \2-404 Marking of Motors: DP, WP, TE n. J- i, V$ h9 C% H) H& A' W% {5 T
- _3 A% g6 |! PSection 4 Conductors' a; `7 E5 p) b& i6 o5 m4 i
4-000 Scope
- k) z% v. d& J2 D; m4 c5 X4-002 Size of Conductors: 14#, 12#( ^) m* _' W, n& z$ ], _
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36% \% B3 O4 p2 j. ^
4-006 Insulated Conductors: Table 19$ ` v& i& S# }
4-010 Uses of Flexible Cord: Table 11
; F6 {) I) K+ @' F; m0 Q4-012 Sizes of Flexible Cord
- K* ?) g0 J) n4-014 Ampacity of Flexible Cords: Table 127 \6 \7 b, q& B9 M+ P* J/ A0 K
4-018 Equipment Wire
! v" ^9 P3 Q8 C; i7 t! M4-020 Insulation of Neutral Conductors( S- _+ e& X @3 { F
4-022 Size of Neutral conductor
1 w7 ^/ O- l: d2 E' k. `4-024 Common Neutral Conductor
# n) C& z7 y. p& F! l4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum" v+ X/ ?: G" X
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
- Z4 d `+ k/ X+ Z4-032 Identification of Type MI Neutral Conductors
) ~$ H. ]: |9 s* q( Y4-034 Use of Identified Conductors
3 c" u. X8 R6 I; W V q" l# B4-036 Colour of Conductors: Phase A, B, C, …( ]$ g+ _6 [+ s/ w2 }
v! W3 L" j$ Z+ i1 a$ d* q6 OSection 6 Services and Service Equipment
9 |& f7 M3 y' JGeneral% B) Y' \) O; @
6-102 Number of Supply Services Permitted8 A6 f2 t- d4 q
6-104 Number of Consumer’s Services Permitted in or on a Building
) \/ ~2 y- i9 M8 ]6-108 Supply Service from an Electric Railway System6 \- R+ k# S( c4 h! ]% n) q$ G1 T
6-110 Three-wire Consumer’s Services
3 }4 ^0 B9 v }( a5 X8 ?9 { g2 n6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors3 f! S1 G: A, ` z& B
6-114 Methods of terminating conductors at consumer’s service1 T$ \/ R/ U/ m \
6-116 Consumer’s Service Head Location2 t. i3 I; v9 |* q0 ~
Control and Protective Equipment/ y9 V+ ?$ U7 Z8 N1 ~4 `
6-200 Service Equipment w: D4 v" k% ^1 E- G( V
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)* T1 v3 E' U7 I5 }, g8 q$ Y
6-208 Consumer’s Service Conductors Location
E% f2 [) D8 t; T" W# x3 W2 k0 e) f1 M6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches; |3 Y% P( w0 |- s9 ^' \
6-212 Wiring Space in Enclosures+ X" S5 X8 W3 [1 R' A
6-214 Marking of Service Boxes
, |4 x, M4 J P. X" q9 A6 p4 ^, IWiring Methods
* q- N! i" ~+ ?8 b6 T6-300 Underground Consumer’s Services
& c2 B; y+ i0 |8 a6-302 Overhead Consumer’s Service Conductors5 H" _: i: V6 m1 ~
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
4 b \9 ?8 s. t* P4 ?7 f6-306 Consumer’s Service Raceways @/ O6 X! R3 V- z8 w: x( C( N& l
6-308 Use of Bare Neutral in Consumer’s Service8 n1 k4 J5 `* C4 e1 P, L
6-310 Use of Joints in Consumer’s Service Neutral Conductors
1 ~! M0 f6 b0 ]) \/ I5 J6-312 Condensation in Consumer’s Service Raceway; l9 ^4 r0 T( u9 D$ S+ I. W
Metering Equipment* j/ q% |! i2 N
6-400 Metering Equipment+ p/ Y- ~5 k! `* E# K' H
6-402 Method of Installing Meter Loops
/ T) X$ w! e) U( }' k, p6-404 Enclosures for Instrument Transformers
+ A- `0 h0 {) k; P+ h6-408 Location of Meters6 ?* M5 y4 T; V3 x
+ R9 k+ A2 P+ U8 ?4 a
Section 8 Circuit Loading and Demand Factors
+ q! V3 y* C6 {" v: b |, X1 V" ]: JGeneral, @4 m7 V* M' @1 o! A
8-100 Current Calculations
p0 D8 E4 o: E+ H8-102 Voltage Drop ( see Appendix D)
. f* a, ^% t) q8 p8-104 Maximum Circuit Loading
: B. n6 ^; [" E# {8-108 Number of Branch Circuit Positions5 O4 o, y; q% Y+ }
8-110 Determination of Areas
% }; A3 L: X/ u0 @7 n1 M9 zServices and Feeders6 I' F& X' e8 G7 {+ b7 O. V, ^
8-200 Single Dwellings (see Appendix B)
2 Y7 k- q S5 Z3 R1 V- z% Q8-202 Apartment and Similar Buildings
7 _' k+ K4 \+ z" U: V8-204 Schools
! m* p a5 P1 l5 T8-206 Hospitals9 V# i! a4 F2 q! a
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy& E4 H6 z" o( V1 v% R) t* w, |: l! C# a
8-210 Other Types of Occupancy (Table 14)
m# x& z) X# h" X8-212 Special Lighting Circuits0 C" @3 e0 b; k1 K. B/ H( ]% L; L
Branch Circuits
) J- \2 B; R! p6 R0 ?; L9 ~ D' ]2 S8-300 Branch Circuits Supplying Electric Ranges: O J5 J! d; d( e0 F1 z
8-302 Connected Loads' ]6 j+ J" d1 J( v9 W0 X2 r$ [
% J$ x2 F' r `Section 10 Grounding and Bonding
% }. x. ^" j9 cScope and Object% B1 a! L' y; O, p8 S6 p
10-002 Object
/ K" z8 O# t' q1 z3 xSystem and Circuit Grounding
2 ~! [# k; h2 K% \10-102 Two-Wire Direct-Current Systems. ]4 N% A+ M% F. m/ |* ^
10-104 Three-Wire Direct-Current Systems' K5 V2 C6 u& m0 I5 f! _
10-106 Alternating-Current Systems
- h, v' o& v) ]% T10-110 Electric Crane Circuits
/ Q _4 p; ^# N. s3 }' _" b( w10-114 Circuits of Less Than 50 V
( m Y- |. d% Y% {' u10-116 Instrument Transformer Circuits4 {* W" n3 H# }, m) z! r
Grounding Connections for Systems and Circuits% U! W2 p- z# o
10-200 Current Over Grounding and Bonding Conductors/ Y4 o; U/ [) B# H4 C ^
10-204 Grounding Connections for Alternating-Current Systems9 A2 _$ P( u; J+ W- i
10-206 Grounding Connections for Isolated Systems! S& n! K* I; S& j8 f+ m( z
10-210 Conductor to be Grounded+ y) m8 [2 Z, a- J$ U3 S" f7 ]
Conductor Enclosure Bonding
9 |4 A4 G" @& V' J/ J' ~10-302 Other Conductor Enclosures3 ]6 _+ m1 G" t. m6 G
N 10-304; w, m1 j+ J( T& T3 Y2 a0 s
Equipment Bonding
5 x7 p& {* d p9 R10-400 Fixed Equipment, General
* ? s" s9 `9 `5 ]/ W6 L10-402 Fixed Equipment, Specific (3), (4)
( D; _- k3 ^) ~. Z% ^10-404 In Nonmetallic Wiring Systems
1 y% P* H* Y J8 J. n10-406 Non-electrical Equipment) R5 [: {" M, e8 p
10-408 Portable Equipment (4)(b)( t$ h3 e# W! F$ G, H; u
10-410 Instrument Transformer Cases" u7 j0 u. g# f' n
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
0 B! j1 H: ]0 W+ |( L- {+ u5 K P10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V; b) n- H6 b. w; i
Methods of Grounding$ Q) q1 `& _8 u m3 r
10-500 Effective grounding (see Appendix B)
/ S( X) g) A' p# m- a/ G5 {10-502 Common grounding conductors
# n8 m _6 y: D3 C10-504 Common grounding electrodes) Z5 q: f$ v& f7 ]4 Y
Bonding Methods
/ O/ _' w, S2 D3 c- c10-600 Clean Surfaces0 K2 E/ E& N' B$ ]
10-604 Bonding at Service Equipment) @0 c" [3 y6 k4 C* ?( G s
10-606 Means of Assuring Continuity at Service Equipment8 e. T! w% ?( @ j2 R
10-610 Bonding at Other Than Service Equipment1 F+ |+ \% Y( `' ^
10-612 Loosely Jointed Metal Raceways
; {" [# r K8 i2 a10-614 Bonding Jumpers Table 41% ? @1 A# N1 F6 p. [
Grounding Electrodes: L1 R0 r+ Y! J
10-700 Grounding Electrodes
& z1 M' j( {6 l# L4 U# p1 H10-702 Artificial Grounding Electrodes
; o1 \% d k7 j: L" L; cN 10-700 & 10-702 A6 l- h! w2 E1 O" U- f: e
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G): [, Z6 {( W9 O# G' b
N 10-702
# y9 V( I* X, Z/ p/ k+ Z! l10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
% L; p7 N) j% n/ ^' b, EN 10-702; v X+ i, K9 Y9 I
10-710 Use of Lightning Rods (Appendices B and G)7 a c. ?$ d" P8 B' z2 U
N 10-706
+ D" Y' @2 N1 Q4 G Y% m8 rGrounding and Bonding Conductors
T+ s1 H- W; p) s9 ~10-800 Continuity of Grounding and Bonding Conductors7 T1 j: P# V0 V& U' l9 r: h! Y
10-802 Material for System Grounding Conductors
6 R) r4 R d( r& m10-804 Material for Bonding Conductors
0 ]/ a3 u& Q& I" G10-806 Installation of System Grounding Conductors
$ |( Q9 K {5 u/ a: G% h10-808 Installation of Equipment Bonding Conductors
; N M1 H& W, k2 K' T! ?10-810 Grounding Conductor Size for DC Circuits' d" d7 q/ A- j; ~8 g
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
. F+ H, t4 [" f( C10-814 Bonding Conductor Size (Appendix B)
1 R- D+ A3 v' x9 O- }+ L/ h10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
$ U8 m) C' B. l6 w+ Z10-818 Bonding Conductor for Outline Lighting
" m% M3 T' p7 O0 w/ p B9 X% o e10-820 Bonding Conductor Size for Instrument Transformers5 O4 U0 b: X X
Grounding and Bonding Conductor Connections
- O& X' x( C* N3 i10-902 Grounding Conduct Connection to Water Pipe Electrodes
2 f5 U( P4 E' a: X" ^" T4 q10-906 Bonding conductor connection to circuits and equipment0 c9 ]" {# w( [& O! X
10-908 Grounding Conductor Connection to Electrodes, _2 a; F$ @7 G( m& A ]( H& ?' \+ [
Lightning Arresters% v7 o+ h! S' M' S/ S
10-1000 Lightning Arresters on Secondary Services – 750V or Less8 U% w, U. G. k9 }
/ E" P V" N3 F6 Y$ c+ t9 Y2 }Section 12 – Wiring Methods
+ _9 z, ^9 c* Q) H' t7 w3 sScope
* A3 L: X Y: j; I12-000 Scope (Appendix B)
" B* j+ E8 k& T# R8 t, g1 `General Requirement
9 ~6 i: s8 `9 _9 f12-010 Wiring in Ducts and Plenum Chambers& H5 \! {6 k0 O
12-012 Underground Installations (Appendix B)3 e5 `0 B; b: g C9 o
12-016 Lightning Rod Conductors9 ^$ X2 Q& f2 d8 i
Conductors - General
# [' Y. A& I! i* w. y: _5 g12-100 Types of Conductors (Appendix B) Table 19& N6 n" M4 T6 Y1 x$ {; W9 t
12-102 Thermoplastic-Insulated Conductors/ P" w1 K3 j" j+ V1 Q, W
12-104 Flame Tested Coverings
7 x; f' t9 `7 a7 t. y% ~12-106 Multi- and Single- Conductor Cables
9 m: W. a; c$ j12-108 Conductors in Parallel (Appendix B)
% t; h; Z" [# x) {12-112 Conductor Joints and Splices
3 G* U5 k+ ]+ _4 I- `$ w; h12-114 Ends of insulated conductors
: G, Z2 e0 o2 K7 }12-116 Termination of Conductors (Appendix B)" ^+ q$ S) X- m5 i
12-118 Termination and Splicing of Aluminum Conductors5 \5 _ o% d+ Z
12-120 Supporting of Conductors - Table 21
. P/ L- w! o( h6 ~8 I/ }) L9 DOpen Wiring
f* F* x; v! w$ J8 T0 k12-204 Spacing of Conductors: C* P8 [5 d; O' j0 M. l: q q
12-206 Conductor Supports
8 g8 Q" Q: X q! z12-208 Conductors on Flat Surfaces. L+ o# X# o0 j! v3 r4 p
12-212 Protection from Mechanical Injury
C1 v5 T q* H* ?5 I( N7 iExposed Wiring on Exteriors of buildings and between Buildings on the same Premises$ m, \& W) i$ R5 W2 Y
12-308 Minimum Size of Overhead Conductors
/ \7 H* { ^1 H2 h12-318 Use of Neutral Supported Cables
( ~9 j2 k( {3 F+ s* HNonmetallic Sheathed Cable0 j: g. X' _. K E
12-502 Maximum Voltage+ b# D, _ \' \. A W( S, Y+ |% L
12-510 Running of cable between Boxes and Fittings (Appendix G)# O9 N5 a' ~: H* @2 E% F. {/ U
12-514 Protection on joists and rafters5 O$ s {& z# d, ~3 X" Z- v
12-516 Protection for Cable in Concealed Installations (Appendix G)
K- B' Z( r( `# u- L7 W0 O! |& s/ e12-522 Where Outlet Boxes Are Not Required* s, Y: c9 y, U: q H# a
Armoured Cable9 ]& A+ N% b) o% G
12-602 Use (Appendix B)( p4 J$ h+ R4 q" ?1 ]% g g: ?
12-604 Protection for Armoured Cables in Lanes
. w/ ]7 ~- }5 l1 j8 C$ ^% f0 q7 [12-606 Use of Thermoplastic Covered Armoured Cable7 _7 Z' z% L; z3 c
12-608 Continuity of Armoured Cable9 `% ?1 Q) q; V5 T% u
12-610 Terminating Armoured Cable' o2 H2 n: C7 y( `, N
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems) f) s T" E I) D1 q$ s& a
12-614 Radii of Bends in Armoured Cables
( E. [0 l d8 D9 V0 q1 j* }12-616 Concealed Armoured Cable Installation
4 o4 s0 ~5 y- _0 E, e' ]* ]) _12-618 Running of Cable between Boxes, Etc- @- V" _0 D+ m( k
Mineral-Insulated and Aluminum-Sheathed Cable
. ]4 j# ~! K! y12-702 Use
6 m9 }3 h' \* c12-704 Use When Embedded
1 i* A; ?- r$ P) ^6 Y3 V9 J12-706 Method of Supporting: W2 s, \' N4 W" p0 B, T3 R0 h
12-708 Direct Earth Burial
$ J2 w, b( U7 F12-710 Mechanical Protection
2 \. G# m$ |& {9 V12-712 Radii of Bends
4 E5 e: H/ J/ Z12-714 Termination of Mineral-Insulated Cable (Appendix B)
5 v" o5 J" i; Y( \' A' l* S12-716 Connection to Other Forms of Wiring# }/ j2 B/ [/ S* _
Flat Conductor Cable Type FCC4 r& L, j5 [, m" F5 K& @( [
12-804 Use Permitted
! K/ P3 ^- q2 q6 Q! W12-806 Use Prohibited( U; C* ?3 A3 s4 d$ I
12-818 Anchoring: Q4 `; @. t2 p7 ^. @$ x# N
12-820 Crossings
! n/ Z9 j+ Z" Z9 k) O7 q& wRaceways - General# ?, |6 G+ l. _8 b' n3 j4 i
12-904 Conductors in Raceways
; p" `3 x/ Q! L* x9 F) F12-906 Protection of Conductors at Ends of Raceways0 e1 ^/ g) \0 ?* }7 f/ u- p8 a
12-908 Inserting Conductors in Raceways3 k* b+ p9 q" O- X- Y7 T! M ]. q
12-910 Joints or Splices Within Raceways
$ D6 @. P4 ^9 X, U12-912 Stranding of Conductors
7 ~9 z+ @- {* ~8 C/ N/ t" V12-914 Electrical Continuity of Raceways2 b3 G% k: n n) h U( p
12-922 Radii of Bends in Raceways
; u% P2 r4 o+ }3 m7 f% ^N 12-922 Radii of Bends in Raceways Table 7
: K1 J3 C9 A# Z% ]12-932 Protection for Raceways in Lanes! M# G' W! ?7 p' G' `
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
+ L( b7 ]- A" J. q- c. i; [. N12-938 Capping of Unused Raceways) @6 ?% P! n1 i3 h
12-940 Maximum Number of Bends in Raceways
) M7 X, S+ C3 X( p7 L0 }Rigid and Flexible Metal Conduit
& \+ ]. H% w: F; U4 t12-1002 Use
( |2 A' \7 K. S4 V0 g12-1004 Minimum Size of Conduits
, C( U) ~. ^% }$ \" m5 Y12-1006 Conduit Threads (Appendix B)
8 v9 ]) D3 u1 R; L5 A& X12-1008 Thread Engagement& N2 w+ z; I0 u
12-1010 Maximum Spacing of Conduit Supports. Z1 S) q2 b7 u6 D* ^% @2 a8 f- r) K
12-1012 Expansion and Contraction of Conduits (Appendix B)4 E2 N/ W3 C) G5 Y% ?# F4 I0 y
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
' r' y2 F3 O, I F- T+ `Rigid PVC Conduit and Rigid HFT Conduit
' u8 ~% s% w' N' d/ k12-1100 Use Z! f0 \) ?/ p" ~
12-1102 Restrictions on Use3 ` F4 Z4 ?/ @0 {5 U
12-1104 Temperature Limitations (Appendix B)
5 M: k* P Z5 v12-1108 Field Bends (Appendix B), (2)
! Y/ `# Q, {+ ~+ T; Z12-1110 Support of Luminaires
- v# u0 p* g- N& S0 l12-1112 Fittings
& C+ Z1 x0 P" T" K' p12-1114 Maximum Spacing of Conduit Supports
& D% `3 d9 s4 B" g. i2 o12-1116 Support of Equipment- v. [( x/ N7 h4 w8 {6 l. z7 x
12-1118 Expansion Joints (Appendix B example)) n* t t" l# [. R9 ~; F! E
Rigid RTRC Conduit; ^3 M2 p, M! t; w7 F
12-1210 Temperature Limitations' J* _+ _+ v% ]" L) [
12-1214 Expansion Joints (Appendix B)
4 @' V2 L" c0 _4 xLiquid-Tight Flexible Conduit
% Y3 G- ~& |; \( |/ c8 D9 H! U12-1302 Use of Liquid-Tight Flexible Conduit
$ o8 m/ V( A8 z; M7 m: C12-1304 Maximum Number of Conductors: D! c0 c4 Z! Z; `# o. x0 \
12-1306 Provisions for Bonding+ O: d9 z) t, N4 G
Electrical Metallic Tubing, ^/ o d: }9 w i& W
12-1402 Use" d9 s9 L e. G T- }0 |& [; H
12-1404 Supports# t# v' ~5 M1 h- \2 o7 D
12-1406 Minimum Tubing Size
/ ]' L! ^6 q: D8 T# X12-1408 Maximum Number of Conductors5 t n7 T( n* R- E3 o0 y. [
12-1410 Connections and Couplings
6 B/ x9 a( ]( u4 U9 s12-1412 Radii of Bends in Tubing& R4 [3 R$ P! ~' R
N Table 7
7 L/ I( D8 n. V2 r( r. ^Electrical Nonmetallic Tubing
$ ~9 i/ ]! H8 H* J9 K. H6 j( r12-1516 Provision for Bonding Continuity1 c, }: Y2 G# s7 L4 ?0 X+ h
N 12-1514
: y; K, A' }! A! `Surface Raceways9 Y2 L% M2 D2 x$ D
12-1602 Use of Surface Raceway (Appendix B)
" ^" d6 j* @( J/ B+ M( H8 w12-1604 Temperature Limitations
* P# V9 C8 B8 K$ I( T% \- t# F12-1606 Conductors in Surface Raceways (Appendix B)
2 w; }8 e% ^+ {: I" ]& X$ \12-1608 Maximum Voltage
2 q5 j! R: _3 _3 j* N T12-1610 Joints and splices
( i1 u ?, ~, C" g5 P8 i9 W7 r$ xUnderfloor Raceways2 _! h2 q! T8 {9 e& b8 o0 ^" f
12-1712 Discontinued Outlets in Underfloor Raceways1 K/ b) n3 S# I6 A1 a& }5 K& Q
Cellular Floors
: z. u0 ]! m/ K12-1804 Maximum Conductor Size in Cellular Floor
: u0 S1 p m& q! c: S% C12-1820 Cellular floor discontinued outlets' I; n" C+ u1 \8 `- Z+ u$ K
Auxiliary Gutters- V \. V* v' M- y
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
- {; P# R8 N5 v* y' w k6 u0 E/ h12-1902 Auxiliary Gutter Supports' x7 @0 K) \" G# e; }
12-1904 Auxiliary Gutter Cross-Sectional Area
" [% P) ^2 J( I' }# d1 c; `/ K" \Busways and Splitters+ D% l5 j* |8 k- o+ k9 M
12-2004 AC Circuits in Busways and Splitters$ n( L' V `5 g: [# `4 T: k! r
12-2006 Busway and Splitter Supports2 x+ q( L8 y# N& P# p
12-2008 Method of Installation of Busways
* C2 ?5 E0 Z" S/ n/ m12-2012 Reduction in Size of Busways) u' o+ L0 H4 y! M A+ q
12-2014 Length of Busways Used as Branch Circuits
0 n+ j+ a3 ] i+ Y+ a- j12-2018 Taps in Splitters
1 ~6 D2 B) y- W# }+ jWireways
# D8 w5 n& P5 Q- f12-2104 Conductors in Wireways3 g T# ~8 `+ R4 V1 z
12-2106 Taps and Splices in Wireways. j5 x6 z, Z0 [8 F q
Cable Trays
2 _" [$ Y4 @! M# ?# f! U( c/ b( {12-2200 Method of Installation (Appendix B)
3 X& ~ e( h+ }* D5 Z9 l12-2204 Joints and Splices Within Cable Trays- e1 l6 ~, e9 Q5 q2 [3 o) L
12-2208 Provisions for Bonding J! d3 b8 X' ]+ C! K+ O' V
12-2210 Ampacities of Conductors in Cable Trays! p7 g `4 e" o" k) h1 a' O' q" C# s$ L
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
" o4 N8 W9 [: H1 t12-3000 Maximum Number of Outlets Per Circuit7 E% X# A3 X% @; b
N 8-304
7 Z$ |, Z7 k) B- g( b7 c! W+ z12-3002 Outlet Boxes (Appendix B)5 F O+ Q, v8 z* L
N 12-3000: G# H8 u& m& A7 |
12-3004 Outlet Box Covers
9 O/ h7 o8 m- N' h! i8 m, RN 12-3002
0 y; M4 M0 I' c% q6 l: o8 C$ E12-3010 Boxes in Concrete Construction
6 g- N( e. I$ l! b, GN 12-3008 \# }2 A7 `. l% _6 P
12-3012 Outlet Box Supports: D! |2 b! ^$ T! q& K
N 12-3010 [& a1 {5 R% @2 n
12-3016 Accessibility of Junction Boxes
7 X8 h: \* i: K( a0 F7 ]% E, nN 12-3014
- |. _6 ~% w( q/ `; B7 ^. v4 `1 `12-3018 Flush Boxes, cabinets, and Fittings
K# \* l% R- d _N 12-30160 M U" z" S/ ?' x: L
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 4 M+ r- l3 \* T* q3 b
N 12-3022
8 f- f; X5 a$ v12-3036 Maximum Number of conductors in a Box - Table 23& i- b. E* x9 C6 ?: |# Q6 [3 A
N 12-3034( _$ E/ K/ L* I9 e+ ?% V; v
12-3038 Pull Box or Junction box Sizes
$ D6 o& h; M, QN 12-3036, c9 j% P$ g8 Q6 |1 q
, y* I% \( {1 z4 Y* V8 m& rSection 14 Protection and Control: ]/ n, U% h( r/ k
General Requirement
( {" k) ?0 W9 B$ @( _% K+ I4 @14-010 Protective and Control Devices Required
, h8 Y$ Y+ p* [6 R14-016 Connection of Devices( s6 k, h' d: {6 x
Protective Devices – General- R7 Q: K0 f# k# y& [& G
14-100 Overcurrent Devices Required
. m% C6 ]& {$ {( K2 I14-102 Ground Fault Protection (Appendix B)
$ q- t: z! F( W14-104 Rating of Overcurrent Devices (Appendix B) Table 13
% M; C) y8 _! _14-112 Overcurrent Devices in Parallel" n) P& K/ k1 ?$ H3 v( }( G3 i
Fuses2 {1 U6 B6 w4 K+ E+ U
14-200 Time-Delay and Low-Melting Point Fuses. d4 _7 K5 O1 a9 k1 C, m
14-202 Use of Plug Fuses
! }" `# N$ p, i( R7 s) t1 q14-208 Rating of Fuses
. O% u8 ^4 w: { G) h& _14-212 Use of Fuses (Appendix B)
% i; Q% ]/ D6 x. MCircuit Breakers
* C8 b( K7 g. E0 P( W14-300 Circuit Breakers, General
) x5 @# C, U8 K$ R9 c14-306 Tripping Elements for Circuit Breakers
6 K8 u% U+ w0 ]% Z' ]8 g14-308 Battery Control Power for Circuit Breakers
" K/ G$ {, G! t* @Control Devices - General. h7 s! m/ I# s# G2 i* H9 ]! V, a
14-402 Disconnecting Means Required for Fused Circuits0 t' J0 A' z. P9 c& }$ f
Control Devices - Switches
# A9 e4 ]+ x( @+ c5 H6 u14-502 Mounting of knife Switches
r$ L; D# d' Z' a4 G, J' V6 s14-504 Maximum Rating of Switches
$ P# m/ ?8 e9 H( }7 ^14-508 Rating of General-Use AC/DC Switches (Appendix B); e3 g+ F1 @2 \" j. P/ u
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
7 Q3 W& V7 }4 w' wSolid State Devices9 \+ j4 r$ I0 S
14-700 Restriction of Use
5 G6 Q- C& K/ l0 X7 S, {" i14-702 Disconnecting Means Required& ~1 o" e5 ^0 x6 U1 C7 c f
- N: o+ ?: q9 x+ c6 G
Section 16 Class 1 and Class 2 Circuits
- W. L" A! S' J9 C; iGeneral
_. P# q; x- D- b16-004 Class 1 Extra-Low-Voltage Power Circuits! \# [- W! e& |8 o
16-006 Class 2 Low-Energy Power Circuits
$ o( |, T' X7 J0 B16-012 Circuits in Communication Cables; l) |/ w, u2 T* V5 s
Class 1 Circuits: Z# N) J2 D4 n3 y5 S- Z
16-100 Limitation of Class 1 Circuits
! v( K* R8 d& H% m6 P# Q16-104 Overcurrent Protection of Class 1 Circuits$ i, N8 W* B% K' k# v( R* x: B
16-106 Location of Overcurrent Devices in Class 1 Circuits
, b* Q/ ]% Q# T0 Z# P+ y16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers+ u+ A9 p V9 V; Y
16-110 Conductor Material and Sizes
6 ]0 n# I( m0 B$ U16-112 Insulated Conductors for Class 1 Wiring; V& w1 N1 F# Z& f5 ]
Class 2 Circuits
, w7 v* v( A2 A( V/ h; a* S6 F16-200 Limitations of Class 2 Circuits (Appendix B)
5 c( u3 |# e' n16-204 Marking
, X) z+ H5 k+ _+ B5 c8 ]: M! @# L+ H16-206 Overcurrent Protection for Class 2 Circuits
" A1 b) B6 u' Q! [$ u( M. @2 T+ ~16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
' z% \" w- L" F" |) xELC: extra-low-voltage cable
# _3 o( [4 p, U; Y16-212 Separation of Class 2 Circuit Conductors from Other Circuits/ c5 c$ B5 \- k- _6 s/ J
2 u; k/ T) I, D
Section 18 Hazardous Locations
- X' I& V" e7 b% K LScope and Introduction5 i1 [, n8 }" k' y( p' O
18-004 Classification* ] L6 p' O; @3 l- D7 S
18-006 Division of Class I Locations (Appendices B and J)
' _8 b: G* a) U, F/ _18-008 Division of Class II Locations (Appendix B)( r. f* R1 e8 T
18-010 Division of Class III Locations (Appendix B)
4 j# ^0 E, h/ i/ SGeneral
2 }+ {/ u- @: ?0 A2 P18-062 Metal-Covered Cable (Appendix B)
! J& u8 X2 y; L2 @$ ~; n- [) BInstallations in Class 1, Zone 1 Location2 ~, }" R: R- M* s3 N [3 S( A7 Z
18-108 Sealing, Class I, Zone I (Appendix B)3 m+ Z) H0 V9 e. ^% L" C$ D
7 I9 ~/ E# P J3 \Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
' H: L' J2 r7 @+ M$ E' fGasoline Dispensing and Service Stations8 X$ x; C5 U( T9 a! k+ H9 M( w/ f
20-002 General6 F; b# W b1 [4 q' U
20-004 Hazardous Area (Appendix B)
* Y% ^0 E1 k9 Z0 f8 `Propane Dispensing, Container Filling, and Storage
# ^: M* D* X( l: `' f3 i# l& f. V20-034 Hazardous Areas - Table 63
6 g: e, c6 L( z) JCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
- H( N0 B4 i4 f$ t/ z2 j1 D20-062 Hazardous Areas; c# R0 q& f& b3 S
Commercial Garages – Repairs and Storage
5 v* b% w1 J( l$ W& h- X* M) ]( k20-100 Scope
8 r1 x$ U9 r$ W2 \2 C3 v4 \20-102 Hazardous Areas (1) / u t( v5 A$ x% U' a2 }+ ?- [
" n; Q5 ~' a( u. T; e% RSection 24 Patient Care Areas0 s/ h1 [7 F! m1 S! n! z7 \5 c$ ?
24-000 Scope (Appendix B)
# t, |3 ]1 [- P+ o24-002 Special Terminology (Appendix B)% X* p: _4 M) x; K8 q/ Q% J9 n8 t; \
Patient care area9 x) V d, W/ C" r
Patient Care Areas
" q1 a! o" R% B5 i' y) b' f24-106 Receptacles in Basic Care Areas (Appendix B)
( R- B& T' |: w( e4 C9 k- fIsolated Systems7 l" R j& L4 O X" T) [; B( P
24-204 Single-Phase Isolated Circuits (Appendix B), S( o, ~0 F3 b, f( h5 H
24-206
. G' I) l( d \3 @7 [) Y0 l5 E9 x, g, t1 {* \! t, J6 ?& Q4 H3 x* ?
Section 26 Installation of Electrical Equipment
& P* f/ K/ K3 [( T: Q/ gGeneral( Y+ L# }4 d; E z( Q
26-004 Equipment Over Combustible Surfaces (Appendix B). v4 Y5 ]: X! D' x
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
- }8 X2 \; p/ Q+ N. ? Isolating Switches% _/ M z! Z' T8 x3 A% T
26-100 Location of Isolating Switches- r# m. e) m [0 N
Capacitors) L: o1 x! {5 D# _
26-204 Guarding of Capacitors
8 x) ?$ c- ?$ H26-206 Grounding of Capacitors8 D: E' @1 G* C. }. ~
26-208 Conductor Size for Capacitors
" A' q- R7 r3 d/ n1 t& G26-210 Overcurrent Protection (Appendix B)
: ?! w) [! w8 ?8 G# I' U* b26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits! f% E1 U" j. D) T$ W7 a: B
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
; i# s8 ^3 j j$ F6 y# g/ `26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
- N$ S) r+ V& K3 Q7 @" f( X26-218 Special Provisions for Motor Circuit Capacitors+ j* p, q7 Y0 I" r" S+ U
26-222 Drainage of Stored Charge of Capacitors
& O+ u( b1 f1 v4 v/ L/ @8 O' yTransformers
4 }. m# K) p7 i# B( c1 J. r26-240 Transformers, General* V: k& a# Y: G% I
26-242 Outdoor Transformer Installations v- b/ s: {6 V0 h7 x" W8 O( k; s
26-244 Transformers, Mounted on Roofs (Appendix B)
- \& D9 m; p8 G& s" y& ~& R# d26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B) J; q6 }% A9 J9 {! ~: ^$ p/ }$ @
26-248 Dry-Core, Open-Ventilated Type Transformers
7 _6 d7 M/ T0 T; P26-250 Disconnecting Means for Transformers; n, J, j" R. _ _
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
; B1 I& t7 Z, o7 E0 i26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers9 o. V5 N# ~) f0 `9 h1 Q% A; c
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)$ p4 G8 d* I# P, O+ \( J
26-258 Conductor Size for Transformers
) w5 c. q/ D0 K- N6 ?) \6 d# [7 |26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)$ W: c6 i6 c; [" G* f
26-262 Marking of Transformers/ V6 B; y) p+ p& b) U
26-264 Auto-Transformers
9 c+ N! u5 Z, E# s J# j1 ]8 \Fences
, h( a1 J/ A7 ]26-302 Clearance of Equipment - Table 33
" }- S) C; B: V# |$ A+ q" bPanelboards
7 a- R9 L o3 `; _; p* Y- v& E6 u26-400 Panelboards in Dwelling Units (Appendix B)$ l4 v% m$ O# f* x8 G
26-402 Location of Panelboards (Appendix G)) \" i F! x" I1 X$ N3 ^6 `
Lightning Arresters+ O4 O5 U+ i0 e% R* j% W- S
26-508 Connection of Lightning Arresters
. N# g$ Z6 E8 o) Z9 Y( g; s6 CStorage Batteries
# {# \- w: z% u1 g' `* v' u26-542 Special Terminology
! b8 u1 a) L% @. p/ H26-550 Battery Installation( r9 }6 C! H+ M8 r6 O. c/ W
26-552 Wiring to Batteries
3 L+ {; n$ g* u( H6 MArc Lamps2 {6 A, F8 ]" [1 a5 |* r, o9 ~
26-600 Location of Arc Lamps
0 K7 _& C9 E$ L26-602 Conductors to Arc Lamps
( B4 s8 P6 t O0 ?6 y0 `# q26-608 Globes and Spark Arresters
: i9 X' H' w5 q) W( ^ f: m7 vReceptacles/ X0 H# v* I+ A1 ]: f
26-700 General (Appendix B)
5 F7 c* W' M+ g/ x26-702 Receptacles Exposed to the Weather/ W" [0 d5 `1 Y( n: q: w$ I
Receptacles in Residential Occupancies1 t- L5 c) v; A
26-710 General (Appendices B and G)
: i! _) x* ~9 ]26-712 Receptacles in Dwelling Units (Appendices B and G)
' X m. D2 p' o' [8 _4 o! b* `/ n+ u- E26-714 Receptacles in Single Dwellings (Appendices B and G)" V) d7 D- U+ ^8 W1 K; K1 I
Branch Circuits in Residential Occupancies3 R9 S7 y: r& G$ \8 p" B% D
26-720 General8 v: a8 I% H- s7 w7 b z0 e
26-722 Branch Circuits in Dwelling Units
$ O/ ], G0 d f26-724 Branch Circuits in Single Dwellings D5 d5 W- C+ K: ~5 c5 [% O- _
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B). r2 w% W: I8 z& a
N 26-720 (F)
; x; x) u: s, v+ m7 h* cElectric Heating and Cooking Appliances
$ e6 n; }) F/ b4 n4 B. y26-744 Supply connections for Appliances) U! [5 N% E+ n8 t5 V& j' w" d
26-750 Installation of Storage-Tank Water Heaters0 u% e$ v+ f+ M4 `$ E; F6 [0 h
26-752 Infrared Drying Lamps
# \* R! i2 g/ a( b; }
0 F& O0 K0 K. p2 g kSection 28 Motors and Generators
# G. K" a% q: wGeneral
* R \$ t3 O8 y8 B( W! }% d28-010 Special Terminology+ x5 H( W) h3 v6 W3 @+ L
Hermetic refrigerant motor compressor
" m7 @3 a! I o# F2 TLocked rotor current rating( `( |8 p& S. @( J% C' A, T& ^
Service Factor: d# B1 b$ v' u7 D1 _1 ^( N0 H
Table 44; Table 45; Table-D2
0 ?# I9 h( [* a! r2 NWiring Methods and Conductors! p8 T9 x! V2 F5 y4 f& W$ B
28-102 Portable Motors& h9 B9 Z) [* v) }, a( g9 N; l
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity, q' k6 e- `3 r- m0 t \+ t0 j
28-106 Conductors, Individual Motors% Z) m, X" P5 ~- m
28-108 Conductors, Two or More Motors
. x; T1 s' d* @+ U, s# p8 K28-110 Feeder Conductors
% w4 M9 d* l! h; _28-112 Secondary Conductors
5 H) N( `+ [& HOvercurrent Protection
, Y3 [" Q1 o9 i' v2 g28-200 Branch Circuit Overcurrent Protection
4 e( j7 ?, L. _8 r1 F" m3 _28-204 Feeder Overcurrent Protection
, f& B7 C( H; F1 N- n5 E$ g28-206 Grouping of Motors on a Single Branch Circuit
/ f& f l8 C! o. C' G# V3 \1 U( r- l28-210 Instantaneous-Trip Circuit Breakers (Appendix B)/ d. x7 c4 ~, \5 }/ U& ~
Overload and Overheating Protection) k6 O" f2 E" L) c
28-302 Types of Overload Protection
5 L/ q% \+ m: T2 V; x2 K7 C28-304 Number and Location of Overload Devices (Appendix B) Table 25
# R, l. e3 H {. x# e28-306 Rating or Trip Selection of Overload Devices (Appendix B)
& b8 F- [" F; w, I" X$ F0 K28-308 Overload Protection Not Required
' I: }& ` I, Y4 R. F* |Undervoltage Protection , L; Z. y0 ]& d8 P5 s' U$ j( }9 D5 i
28-400 Undervoltage Protection Required for Motors (Appendix B)! t8 r3 T! d: A1 K+ z; d. ^* |
Control
9 Y* ^. r3 ~* _0 N! i1 f0 z28-500 Control Required$ @/ |( `- v/ \4 v3 ?
28-502 Control Location- w5 n/ z" L9 v u
28-504 Starters Having Different Starting and Running Position8 K7 x, ~! j6 v, M" u
28-506 Grounded Control Circuit
( d1 a `) M0 k& {6 |( r& VDisconnecting Means
6 u6 P5 F% r+ }& P28-600 Disconnecting Means Required# |. e- e+ S+ O2 A2 g8 G& [: i
28-602 Types and Ratings of disconnecting Means (Appendix B)0 _5 C# T3 q- z( d. @5 ~* T
28-604 Location of Disconnecting Means
& q0 p' k; i2 Z- z# @! J% _ Hermetic Refrigerant Motor-Compressors1 W! v) u/ |% q
28-706 Conductor Ampacity& J% q# v! J8 ?
28-708 Overcurrent Protection( y4 B" N Y$ U/ q
28-714 Disconnecting Means% y, u6 Q% Q7 ?% B, H
Protection and Control of Generators
1 X) O8 K( J: L+ V' _# d: S28-900 Disconnecting Means Required for Generators0 _7 _( v7 m6 p0 ^! C
28-902 Protection of Constant-Voltage Generators2 m9 H! F3 q2 _
28-904 Generator Not Driven by Electricity! S3 l& N& ^- d7 z( D6 q
28-906 Balancer sets
2 h/ F3 d6 y9 F# Y7 N28-908 Three-Wire Direct-Current Generators1 y8 r7 b |7 ]0 f& B/ j
% N1 c7 O$ t1 b3 C. Y# U8 f5 i! FSection 30 Installation of Lighting Equipment4 n2 ~: e, X& k1 m7 A' e
30-002 Special Terminology (Appendix B)
9 C# r/ ] E2 t1 l" T' n& c2 AGeneral: x1 g3 c8 C1 g, H; R" r$ N
30-102 Voltage! l3 \$ D" A" ^; a3 ?/ ?
30-104 Protection (Appendix B); H; N* i8 n: |- C+ ]
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
7 w, ? m! T" `) q4 O b30-108 Polarization of Luminaires
* [5 e/ b8 q i. d& A& B30-110 Bonding of Lighting Equipment
6 m q0 ~& E k0 R$ Q) ALocation of Lighting Equipment {# ^+ o) @7 h: O
30-200 Near or Over Combustible Material
/ b$ l! K# C+ x" F" L0 r30-202 In Show Windows/ N x6 G6 i# L+ ?2 Y4 _
30-204 In Clothes Closets
1 Y; i- ^' I0 G6 k8 ^Installation of Lighting Equipment* }8 y0 |) I, z
30-302 Support
o; ?& n: a' b, c# h30-304 Outlet Boxes to be Covered
% {# x" o8 c A3 N v30-308 Circuit Connections- u6 ]1 m4 M- i7 q
30-310 Luminaire as a Raceway
N" C5 v( b" k) i' @4 a: I$ S30-314 Minimum Height of Low Luminaires9 p/ L/ ?7 A7 N8 B, y
30-316 Luminaires Exposed to Flying Objects
- `* L7 G b$ I30-320 Luminaires in Damp or Wet Locations1 E/ U& K" t9 O
N 30-3185 \) x# G7 f) P( D
Wiring of Lighting Equipment% y2 i% d0 }( {% a, z
30-400 Wiring of Luminaires
+ i# d6 n M% h% h C8 u5 {9 D+ v30-402 Colour Coding
* ?+ X0 |6 `. d5 a& Y( t$ J30-404 Conductor Insulation- a0 b6 X, k" A: T; o9 p
30-406 Conductors on Movable Parts
; m9 U: A. g. d6 q; }! K+ |9 E30-408 Wiring of Ceiling Outlet Boxes4 F$ X; s2 u, \3 @; f
30-410 Wiring of Show Window Luminaires
# s, ^- F0 j# O& K5 I9 v# O30-412 Tap Connection Conductors
a" Q7 `1 |$ CLuminaires in buildings of Residential Occupancy
; W% ]' Y* E/ ~- u4 Y30-500 Lighting Equipment at Entrances (Appendix G)" x& a* y; e) O+ V
30-502 Luminaires in Dwelling Units (Appendix G)
: d; r4 G% t, l! J2 Y- z30-504 Stairways (Appendix G) o- i5 _; P2 O+ K) p1 `( X
30-506 Basements (Appendix G)
( D$ e0 _$ B, G+ P! |30-508 Storage Rooms (Appendix G)
4 h. M: i9 \/ ~' o- H, {: g30-510 Garages and Carports (Appendix G)5 M2 ^6 m: |; s
Lampholders
6 y' ]5 \: R* P; ?5 q% Q30-600 Lampholder rating with Incandescent Lamps3 m x% ~6 p" p0 x9 P- f5 y: F$ ?
N CANCEL6 }. n$ G0 u V: p
30-602 Connections to Lampholders
8 [ q' q7 ?) c0 E- NN 30-600
2 X4 N5 e( s9 v4 m; }* u) @30-604 Switched Lampholders Used on Unidentified Circuits% I6 D- A! [5 A; i7 M
N 30-602
- c1 j" V- @9 ~2 [9 t6 Y' n2 ^30-606 Switched Lampholders with Pull-Type Mechanisms* B' t" b0 |- F3 P
N 30-604
$ w/ ^3 s5 @- E$ ^2 _- f0 q- t" T30-610 Pendant Lampholders
) }: q2 Z" f; U+ l) ^* XN 30-608
4 G0 {( }, E# _' ?; M; IElectric-Discharge Lighting Systems Operating at 1000V or Less" t. Z( S4 r6 N. o( y
30-710 Control (Appendix B)
$ Z" o0 z. Q9 I30-712 Branch Circuit Capacity) N$ J! G9 P3 [4 P
Electric-Discharge Lighting Systems Operating at More Than 1000V
7 T7 C2 S; G6 [30-802 Voltages, Dwelling Units
& C( ~3 W1 c( o/ q( Y, W30-804 control (Appendix B)
8 s' D( w: R8 c+ K" hRecessed Luminaires (Appendix G). X" r3 S+ L% x6 X" g* L$ o U" |- C
30-902 Spacings for Non-IC Type Luminaires
) b- R# E0 ~0 i% ~8 t2 f( I( b30-910 Wiring of Recessed Luminaires (Appendix B)7 Y" m8 k1 H8 ^) L
Exposed Wiring for Permanent Outdoor Lighting
- i% f" n- C1 g8 g# I* F( D- W$ r30-1120 Branch Circuit Loading and Protection/ V* @, T7 k: @+ }; z
Extra-Low-Voltage Lighting Systems
7 M% U2 O7 \3 o30-1202 Sources of Supply
) H% {% \) J& r/ D3 k% q+ P2 F. i* M7 W3 ]0 M$ D+ U) t3 e
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)" B7 m/ Z; m+ n( m6 d- E
Fire Alarm Systems* n8 k0 o8 C+ q% U) U
32-100 Conductors
5 @: x( L. U% y+ r0 L0 ^$ X32-102 Wiring Method; ^# X5 p6 q% I4 b" {* l* c; E
32-104 Equipment Bonding0 u1 `# x6 O. @0 }: n. N% I" |2 ?+ e
32-106 Electrical Supervision& \- u d- c- D3 I$ W
32-108 Current Supply
0 L' j6 r w) F h& A' D% i: n9 [32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)' c' T' Z m8 j0 w5 l& a8 l
Fire Pumps
: p s# B2 M- p1 ]; q$ C6 F$ B32-208 Overcurrent Protection (Appendix B)
3 Q2 Z p6 z% C, R9 z% JN 32-206! }$ t O) Y2 H/ n
32-210 Overload and Overheating Protection (Appendix B)4 a7 `7 |8 x/ r# f/ G; O' ^( [7 s
32-212 Ground Fault Circuit Interrupter (Appendix B)
' I* f: s1 p" M* v- t% R+ i% b( o4 R) p- L2 d5 k, c
Section 36 High-Voltage Installations
, D7 m C0 k; Y: r0 hGeneral
* W- g7 \5 y' t+ L36-000 Scope (Appendix B)2 P0 y3 H# S9 N: M H
36-006 Warning Notices
/ Y9 P" s$ {* M' [Wiring Methods
. ?4 d( J4 O5 O$ w9 ~% i+ e36-102 Radii of Bends6 y* t4 { V% v) M9 f4 D/ t" X6 D
36-104 Shielding of thermoset insulated conductors
7 l' L+ i1 u1 n, c36-108 Spacing of Exposed Conductors (1) table 30, table 31( m# ^; Y* x( T$ N( \2 D
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
/ S$ E- E: U9 f, fControl and Protective Equipment% ~. a9 U' O: L6 p8 x" `
36-214 Disconnecting Means4 h ]5 N. o, n2 Y
Grounding and Bonding6 j2 a* X$ M: `
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
. u5 p- l0 l4 x7 A' B36-302 Station Ground Electrode (Appendix B)* c# }' t# G2 @; U
36-304 Station Ground Resistance (Appendix B)& w' m# I) I% y5 N" D/ v
36-308 Connections to the Station Ground Electrode (Appendix B)
. L: m- W+ L1 j7 X2 w; t( }36-310 Gang-Operated Switch Handle Grounds
* u$ m" N9 Z9 A( S7 K/ l" Z36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations1 T( s# x( W% H' |6 m t R
; j: _) {+ h' o, B
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
5 u1 f$ k" M$ B ^- I38-002 Special Terminology (Appendix B)
1 G n: T" n- d' `! k+ N38-003 Voltage Limitations (Appendix B)
& H; ]% I w2 s. e: B A38-004 Live Parts Enclosed
2 Q- [" x) q. L6 J38-005 Working Clearances. ]) ?: R [7 N8 Y
38-011 Insulation and Types of Conductors$ V+ ]0 @5 K% S/ ~3 b T6 m
38-012 Minimum Size of Conductors
- b) H8 Y; r( w1 C3 A
* X+ `. K6 c4 B! c. B- m5 p$ e( z9 QSection 40 Electric Cranes and Hoists: a7 F( w( B) w
40-008 Disconnecting Means
3 ]" H9 j) f. S* Q' ~: ]40-010 Main Contact Conductors
, j! G# O7 I. x- x; e- f" \+ ^/ K5 L; k
Section 42 Electric Welders% P- t$ p5 k6 y9 l- N# g& c" o
Transformer Arc Welders
$ h6 ?6 c3 J: }* Z* Y42-006 Supply Conductors3 P! s0 P2 b" E7 r
. ^: n% s; o, `: x' Z9 ?
Section 44: Theatre Installations; W/ S% j, F8 J( l: g5 p' {! K
General' S1 y, n% B! K0 R4 H2 m
44-104 Number of Conductors in Raceways
1 z$ ^+ {! H' L9 Q" {$ D' @/ d! y44-106 Aisle Lights in Moving Picture Theatres
3 d. q6 t) T; h; u/ H* tFixed Stage Switchboards- C* T- K0 g; I+ L% g# E2 H
44-210 Overcurrent Protection, f; b3 D( t" D9 y2 Y1 D& |+ Z
Fixed Stage Equipment. {# y( h; k1 X+ \) [
44-324 Receptacles in Gallery Pockets
2 V- n; }+ ^4 {# j' ~44-326 Receptacles and Plugs! U, @& D+ t2 z$ Y' o+ X
& j" D$ q3 o" c( h: s, z2 U0 f$ t
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
$ N% s5 N5 ^5 O6 n+ }0 ]8 TGeneral2 W4 E+ K& P! B7 q' x+ K+ r
46-102 Instructions- l9 ]( J2 c1 x
46-108 Method of Wiring (Appendices B and G)! \' q! o" {3 G# a
Emergency Systems
* Y! g- e# w& X46-202 Supply (Appendix G)' {) I8 C, P" ~5 h2 S
46-204 Control4 G1 k* P' o) @$ c- H
46-206 Overcurrent Protection) a7 |, i7 ]1 h* e1 P a8 O
46-210 Remote Lamps: l0 Y W. I0 Z. o
Unit Equipment* ?8 z5 x. m9 M3 f% R, K
46-304 Supply Connections' M3 A0 Y, d |* _
46-306 Remote Lamps (Appendix B)3 `( G" w- }/ k2 o7 i$ J
Exit Signs8 W- R/ H$ s I+ n
46-400 Exit Signs (Appendix B and G)
. q" T$ P' ~) \1 b1 @( q6 D F
2 y0 R) P2 u6 M' k s: jSection 54 Community Antenna Distribution and Radio and Television Installations; Y. ]+ v- S) S! l
54-000 Scope$ N; _# u [5 Y; }! {% V' p0 u8 o
54-004 Community Antenna Distribution (Appendix B)6 ]2 e8 r3 ?. S7 C" U' t
Community Antenna distribution
3 l) g- M0 d: V+ m+ F54-100 Conductors& J* Y! V0 b7 X& O0 a
54-102 Voltage and Current Limitations (Appendix B)
W, [! i1 t" b2 G# B7 qProtection% l* p% I7 k" M i! y* P' [3 O
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
- V1 p5 \! h( X. l* I+ o* x! sGrounding
% V* ^3 |- ^& E! R( \54-300 Grounding Conductor
& F+ X9 J2 ^- ^8 d) L& M4 ^: zConductors Within Buildings! d2 W. U" X" I6 |
54-400 Separation from Other Conductors9 J& A M/ A5 k9 M! h( S+ r0 ^
Equipment
6 w: h" _* ?) Q! P/ i54-500 Community Antenna Distribution Amplifiers and Other Power Sources- W4 b) x7 k+ o, W9 j( m
54-502 Exposed Equipment and Terminations- b! D% C3 g& S* H
. _( T; {2 w* d3 z+ e6 Z
Section 56 Optical Fiber Cables
9 b7 i9 N. Y: u7 l/ yGeneral
0 U2 x5 H4 O% ]8 H) @# `; m" ]56-100 Special Terminology, c% J i; ?. \
56-102 Types
/ i( }- ~6 \1 y2 v8 q0 e/ \Installation Methods6 k& w8 X! B( C1 X0 B `! }, ?
56-200 Nonconductive Optical Fiber Cables (Appendix B)
3 f4 ]$ f4 r( ?8 n; v+ U9 p56-202 Conductive Optical Fiber Cables (Appendix B)5 `, g6 |1 H+ t% ~; t% f
56-204 Hybrid Cables
% E+ I: D! D; M1 c% x( W56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)8 R K ]4 g3 ~5 F4 \5 L
9 h; H) @3 s: F9 ]Section 60 Electrical Communication Systems
3 k$ c( b6 j& {9 {' aGeneral ` T7 |: d/ Z+ S. v0 C
60-100 Special Terminology
; a% u+ _, O" B5 d5 z5 q! VProtection
# |# x' Z- S- p# H E8 l8 _* f3 {/ B60-202 Primary Protector Requirements- L" Z- W4 {3 L: {
Inside Conductors# [1 b z4 E- J& m# W4 l3 A3 r
60-308 Separation from Other Conductors. T+ _4 T4 d' ]. `
Equipment
1 w: X- I9 X9 f. x( T+ o9 Q60-404 Exposed Equipment and Terminations& [/ Z* E6 e2 `1 D
Underground Circuits
* W1 A7 t) I$ {- S60-600 Direct Buried Systems! E% C5 d6 R2 J' m
7 k* f0 {: ]2 g& h% n; F; f4 Y* W
Section 62 Fixed Electric Space and Surface Heating Systems8 n0 C& y! }7 K# i
General8 \$ O& ~' b$ G% l
62-102 Special Terminology3 o+ x2 p1 T+ K% C- S
62-108 Branch Circuits" e( H) ^ B1 j0 M
62-110 Installation of Fixtures0 Z) \; A- U/ \3 n- k! H! `
62-114 Overcurrent Protection and Grouping (Appendix B) (5)# A }4 b# X+ H& G
62-116 Demand Factors for Service Conductors and Feeders (2)' V; U" E. E' u) ?* [
62-118 Temperature Control Devices7 ~, Y; \. p$ w" T- Q( S+ s" @! y a
62-122 Installation of Series Heating Cable Sets (4)(7)
3 y. ~7 v9 f* O: m2 l: c' ^0 QElectric Space Heating Systems: A' y+ C8 ^+ v% U
62-202 Temperature Control
x9 q& I* v3 l7 R62-206 Proximity of Other Wiring (Appendix B)0 o* K, c+ x4 p- o# v
62-214 Installation of Heating Panels and Heating Panel Sets/ {$ n+ S& I" x) N1 x& S
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings0 t- f! I C U& @
62-226 Installation of Under-Floor Covering Heating Panel Sets
1 _' Z6 b, \$ y8 [: `! `, DElectric Surface Heating Systems
" i t( {# Q$ T+ D' n$ |62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
4 ]( x) G: v: ^( X' R0 s& A. G' U5 ~; V e
Section 68 Pools, Tubs, and Spas& S: u' M& t/ g: n2 k3 ]$ E7 X
General- o5 ~! R2 ?) {* @
68-050 Special Terminology5 K: b5 A- a0 l0 T: D
68-056 Underground Wiring - Table 616 e \7 D+ [7 p/ M- y( m
68-058 Bonding to Ground (Appendix B)
/ S; [% j n; ?7 f% V" ]. m68-060 Junction and Deck Boxes (Appendix B)
( s5 V/ j/ C1 s; m' h68-064 Receptacles
- F2 {/ p& ]6 Z. i8 Q) u+ p5 E68-066 Luminaires and Lighting Equipment4 l* z3 q" N0 ~' [
68-068 Ground Fault Circuit Interrupters (Appendix B)
4 K6 K+ Q! X& y: w: t5 Q! W
4 p+ g: [0 ~) Y7 d3 TSection 70 — Electrical requirements for factory-built relocatable structures and 7 h. E, y8 Q5 R$ h! j
non-relocatable structures- K: j& v$ y% D2 w, W
70-130 Tests (see Appendix B)
^3 q$ @- Q; y- w& N" `5 }2 Z6 C+ b; ^; y( N# F" a
Section 76 Temporary Wiring (Appendix G)
. ?& J/ f5 N3 k$ ?7 v3 r* z$ W0 H76-004 Grounding
/ m- C; {$ r; W+ |0 C" B- d76-008 Service Entrance Equipment
1 S" Y: y( }+ l7 Y! I9 ?N 76-006
0 K W+ |# y; c+ y" v5 W" {* R$ o76-014 Branch Circuits
& ~ k( f. v# Q% G" d. ] h# oN 76-012
F: Z$ V2 H( r0 W
; U$ V+ @7 U: k/ `Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours, g+ D8 V# w$ I
Marinas and Yacht Clubs4 L, X) Z$ y# m0 `, C9 C
78-052 Receptacles
/ L9 S% `% e+ N; ]78-056 Feeders and Services5 w/ G2 n3 U2 K* z* V2 X
Marine Wharves, Structures, and Fishing Harbours
9 y# @8 P$ a8 }2 ?0 @, y78-106 Grounding and Bonding- c2 u5 y3 K' W h0 I3 b3 ?
Tables4 S; j0 O7 R; W" b& f
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
0 e( j/ C% V; \% K
. d! S2 w' o R+ zDiagrams: 1, 2, 7
5 h# v8 [' T& `5 n* q1 p e; u4 p" M/ a
Appendix B( Q0 @, F% s4 C8 I# Y
P352: Ground fault circuit interrupter- 6mA7 e0 S; ]6 j! x+ g+ {
P354: 2-126 FT1, FT4
+ U5 R, f' B9 A2 S( t, |P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g), Y: o6 w2 o; @: R2 B
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
9 e* X6 ^# }) m: a% i: u; qP370: 12-1012, 1118, 1214 Example:
" E4 \" H4 R" n7 z. C+ }# _2 DP371: 12-1108: p/ c- q* {: y' q% z# M
P381: 18-108(1)(b), 18-158(1)(b)
* m& U$ H u2 H `( r$ ?P386: 24-206
8 c7 m7 b+ X4 ~3 sP389: 26-256
Z- l8 E5 f( t4 V4 R* u3 b1 g+ ?P391-P393: Section 28, Example to determine Motor Conductors and Protection H& L$ M0 K7 X0 z6 V
8 D7 W4 }. `' O4 k2 a, J! W
Appendix D& I [: s5 Y0 \/ j! s
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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