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Canadian Electrical Code Review Guide
% v" w0 Y9 p4 n6 aFor the Exam of Electrician For Red Seal License
7 _& d/ M" a8 B. Z* m
7 v9 a, W/ }- X% ~3 q) GLesson One
% e+ C7 r/ ~/ V; fSection 0 DEFINITIONS9 s& O' i2 j6 K/ W1 h- T: T; u
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:. {& w" @4 l: k) \& ~5 d( Z7 J
Accessible as applied to wiring methods
' a3 |) S: L1 `Alive or live3 L+ c/ z7 h' p! w2 a
Aluminum-sheathed cable$ s( x8 U4 o6 Y2 b, p' _6 z6 B% J) z
Ampacity
2 t6 V- ]4 R" F* Q7 S# ]Authorized person
$ b3 f/ s% u: [& ZAuxiliary gutter
+ M6 ]2 P- d0 \6 MAWG/ ~$ h6 s y& N4 R$ K' N( {
Bonding
( Y c' j( I7 I* i& \7 C- K0 ACable tray
A9 h7 x3 L, X: tCellular floor2 W$ {; s2 {* w7 j' u1 i' r8 {
Branch circuit) z0 \7 Z5 r; w
Bus
& V5 T/ R# k0 g) ^' `Busway; n3 j) y8 A( A: k: D7 Y$ P; k5 i
Communication circuit' E6 y( i) \8 C' C
Extra-low-voltage power circuit
. ~' ^5 U( r+ Z' t7 HLow-energy power circuit% z/ l" H. d. _ Y
Multi-wire branch circuit
* z+ r5 y9 \, n9 kRemote control circuit1 a* v5 v9 W. n5 l
Signal circuit8 `4 Z' h6 U: C+ r# H- N
Circuit breaker
{" [9 q& _2 e9 YInstantaneous-trip circuit breaker
( }1 m* F6 L7 P3 L$ z+ Q' vConductor
, r9 N9 f4 T1 S" Y3 q9 u' F$ gConduit
$ [, a& _) P' G Flexible metal conduit' k4 K2 q5 p, C, S( ]; o; }
Liquid-tight flexible conduit
. ?9 H( A& ~3 Y4 R/ [( x( v1 i Rigid conduit
+ E% O0 I' Y+ x4 V1 d( \7 e0 B' J Rigid metal conduit
}7 H6 w. W0 h" E4 o Z# @& ~ Rigid nonmetallic conduit
6 J n, x: \: h( X% b' |8 Z Rigid PVC conduit8 ^* y$ S: B; g; d* J
Connector
/ g* [+ a8 i2 f! O5 m& i: C7 Z' r( e* Q2 } Box connector
) }9 } {0 Z) T& I* ]! F! O8 N Wire connector
1 z9 ^% j: h s ]. A: qController
! s3 f' B3 h: M7 {; T+ X( dDisconnecting means
6 v0 x- f" F( ^. \Dust-tight
% _0 r3 z) A$ o( C3 uDwelling unit
* O% V6 P2 W! n2 Z# m% R- {% F9 T6 AElectrical contractor& L t1 {; c) e6 {. F- L
Electrical metallic tubing
u! q2 h) u0 x0 p4 m( D& sElectrical nonmetallic tubing( Y: o K& O& t% u: g# W
Emergency lighting
1 k$ J# B+ O4 _& t" j' U8 p! VExplosion-proof9 d: I ?# Z$ f; w. P) N; d1 u
Extra-low-voltage power circuit) u4 L+ i! |0 K- @) t! k
Feeder' J1 l$ q& ~7 r- S
Flexible metal conduit
% r! w, p) X1 f P! n+ y; U# f) rGround% u& y* m5 m: z" Q# L* S( s# R4 d. x( {
Ground fault circuit interrupter
4 o& x8 q$ C0 ^. X- ]Grounded
# }6 v6 \& a2 B( Q0 i, FGrounding. k, T$ r0 G" e* }# h
Grounding conductor; M0 S+ h1 T+ Y/ e1 J% m' X
Grounding electrode% A" e9 V/ o1 k1 M: e8 O) k' a
Guarded
5 @7 P; Y. d( n% v; ~% H) VHoistway
5 {: [( G5 k4 `$ DIdentified
0 h6 O/ M3 \2 ]Lampholder
/ F& f0 Q; `2 m- m/ }3 ]Low-voltage protection9 X- c. b- P/ \6 k2 W, ]2 L
Low-voltage release( v! F1 Y( @+ @ b
Neutral
" p5 |5 ]! d. nNoncombustible construction
. D& O( u6 @/ n) o7 xOutlet
; B% }" d% N* X3 n3 r$ ^( j$ jOutline lighting
) o* N% x, Z: wOver current device# M6 t9 O& |- ~4 I$ k: y) Q$ w+ \) Q
Overload device! q% z- V: ?# s r0 f9 K/ b5 r
Panel board
& x5 q d/ {' W) k4 |- w$ c% jPanelboard, enclosed
" T9 N8 ]% D% \, o j0 u FPermanently connected equipment
6 w6 Q3 G0 `4 x$ [Permit% x8 O- k1 w. n7 C
Plenum4 J) A9 R/ Y z/ l6 E
Portable as applied to electrical equipment
* T" ~4 n' n9 I4 m4 d* LPortable ground fault circuit interrupter3 i3 T ]& R2 P0 ^- W5 N6 Z A
Power supply cord
& U. j: q3 m H- L9 jRaceway/ w4 d. a' M% _7 u5 d) A4 H# u/ f
Receptacle
8 I: c& K, T0 B0 g4 J1 ^$ f6 M Duplex receptacle
, i/ Q5 J @" w0 Z Single receptacle
3 U" E" ?' w+ Z9 x E Split receptacle
" }/ u: Z! E. l7 p& C2 ~5 T/ eService, consumer‘s
" p4 N4 C/ S9 z$ q9 }: u6 ?9 r; \Service, supply+ ~3 V! G0 u4 x
Service box
! `. J. g- A2 vService room4 J( e+ e9 e* R1 T8 ~4 H7 N
Single-dwelling; v4 E b& Y: B, G9 o0 P6 H3 K
Slow-burning as applied to conductor insulation; f2 ~, s7 z& C$ j, _/ l
Splitter
& Y5 B0 _5 f* i4 H( ]Starter* V1 j+ d0 q" U7 u6 s o! X
Switch3 d9 [3 u7 T% _9 h0 U9 ?! W- u
General-use switch
) u/ p6 n3 G" d% V. v q Indicating switch, {/ {% [, Z: L7 v! L3 K4 a, u- m
Isolating switch: ^- |' t' Y5 R+ L
Motor-circuit switch
4 c) ^( r! D2 g" v* c: zSystem
4 a" j9 ~9 b: D; {, ]% e. { Communication system) @* Z5 a+ d; B9 I* g, s& L7 R
Community antenna distribution system(CATV)# o9 d) \- n0 B7 u+ C% Y
Grounding system
0 F" A" _: F# }) w& yUnderfloor raceway
0 W; D, V! s! TVoltage:
& b( `0 a9 U w) q Extra-low voltage0 G, H! t- K8 g* L- V
High voltage8 S1 Q3 o' D F h+ i {/ e
Low voltage8 N$ ?+ `! ^$ j
Voltage of a circuit
9 w" W4 ^7 s" g( T1 Q2 g! ?Voltage-to-ground
: L) p9 h: I( `3 m! }1 dWireway, f4 \0 h$ V& q- H0 K+ w
, ^' i: Y2 T- A/ y6 |& t" qSection 2 GENERAL RULES1 P0 ]$ z. I9 w8 j
Administrative& L2 k. i& s" A6 p: j$ Z5 c
2-018 Reconnection( n" O: t$ ^/ z6 N5 ~0 O, y$ g
2-030 Deviation or Postponement
9 q% _) z8 d R+ G4 Z) H% ?Technical General
* x" ~5 U' E) K3 n& I2 d" Z2-106 Circuit Voltage-to-Ground – Dwelling units9 ~+ J6 C; n" i+ h- w3 `
2-114 Soldering Fluxes9 V* K# L" S0 B+ |
2-116 AWG Sizes of conductors/ a$ e/ V9 Z! }. F' l- ^& P
2-124 Fire spread (see Appendices B and G)
/ l+ Q+ _+ V9 `9 i' q' M2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
+ J/ d6 O2 s( @+ j5 J6 HProtection of Persons and Property5 S' C M; U8 T! n5 j& ^! I
2-202 Guarding of Bare Live Parts) ]' D* U" m" N0 n+ c2 t. |: Z
Maintenance and Operation- {; v1 A8 q. ?. ?
2-304 Disconnection
5 C5 I0 h6 _4 l. x' o* S2-306 Maintenance of Live Equipment
& [5 W) D7 I) ^+ MN 2-306 Shock and flash protection (see Appendix B)
: ]% m$ i/ r. W2-308 Working Space About Electrical Equipment: Table-56
8 h, x8 b2 D3 \/ e2-310 Entrance to, and Exit from, Working Space# W* S& B' R6 K8 r1 ^' M3 C0 _
2-320 Drainage
- U* p# m; r1 N- a0 `2-322 Electrical Equipment near combustible Gas Meters and other Devices
2 u4 J, Y7 }/ Z4 P4 HEnclosures
7 L( p; }) j7 D8 N' I) G2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
7 a! ` ]( m/ x( g- ~2-404 Marking of Motors: DP, WP, TE
+ C- I `% C, e) |. b/ I ' l; f1 b( ~$ a& B; a7 b# K
Section 4 Conductors
+ {2 \# I# r; {5 n/ n4-000 Scope
' S1 e2 c- k8 t% q! j C4-002 Size of Conductors: 14#, 12#
% |9 H; S' U; @- I$ N8 u4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
' i) `( A, C. ]$ ~1 U' `0 Z& {4-006 Insulated Conductors: Table 19/ m& k+ d8 J' r1 [3 |* U
4-010 Uses of Flexible Cord: Table 11. ~ H1 w1 O8 \/ k
4-012 Sizes of Flexible Cord
/ _ m/ z3 D ~% ~, c9 ^4 q4-014 Ampacity of Flexible Cords: Table 12
( F" L( x. N2 x! d B4 H! ~$ P" K3 N4-018 Equipment Wire' z8 e: s" y# M" S
4-020 Insulation of Neutral Conductors P& V/ g/ @( c
4-022 Size of Neutral conductor
; g+ ^! G5 i# p9 J- [4-024 Common Neutral Conductor
0 K( _1 a1 n5 a' V4 D4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
) T+ A% y. w8 E* r, I4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum8 M2 s1 \* L! W8 j; X2 j# u, _
4-032 Identification of Type MI Neutral Conductors
: e9 a& s) E2 K4-034 Use of Identified Conductors
! P1 S n0 ~7 B, D4-036 Colour of Conductors: Phase A, B, C, …
5 P' n' {" A( j6 Q
" H" j, D! j7 i; b, mSection 6 Services and Service Equipment) T# G; S2 j$ H5 }
General* d1 B0 B8 J4 L3 R6 H
6-102 Number of Supply Services Permitted0 L9 l, F8 f% E) ]* A0 {' i
6-104 Number of Consumer’s Services Permitted in or on a Building
- {* J: @) o) @4 p6-108 Supply Service from an Electric Railway System4 H5 i0 S* K& E \
6-110 Three-wire Consumer’s Services
. M' {/ ?+ Z$ {( \6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors0 S* p n( b6 U$ w% i
6-114 Methods of terminating conductors at consumer’s service& ?) q" o1 I/ E! @# k
6-116 Consumer’s Service Head Location
5 Y! h5 w5 j2 ^5 i/ dControl and Protective Equipment
# h, Z. W* y! y4 z4 H7 G6-200 Service Equipment N( Y0 C! h6 W: A/ g
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)- J" h+ g! y) d2 S
6-208 Consumer’s Service Conductors Location
: {( V: T" f# @9 i1 x | I) A6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
. u0 o* q: G, i6-212 Wiring Space in Enclosures
$ T7 K) r" K9 Q( K6-214 Marking of Service Boxes4 n9 K; t4 b4 c% w' J
Wiring Methods- ^" z/ H; C; X" x; f8 R
6-300 Underground Consumer’s Services
) h+ ]: g W& r6-302 Overhead Consumer’s Service Conductors
/ f: C- ?7 r) T6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable, b9 K1 o2 X* q; z
6-306 Consumer’s Service Raceways% n3 T) m- x$ Z; _3 f4 i
6-308 Use of Bare Neutral in Consumer’s Service0 ` q% |# H; Z# b9 @! _
6-310 Use of Joints in Consumer’s Service Neutral Conductors4 Z1 A8 g8 Y! }8 B2 j0 G
6-312 Condensation in Consumer’s Service Raceway9 | d0 [, [% `: f
Metering Equipment
3 K5 m% r/ S3 j! |6-400 Metering Equipment; ^) {$ A: V& M% t, _; Y3 Z2 s
6-402 Method of Installing Meter Loops
* g2 h5 f: a( c8 ]$ G+ a* v6-404 Enclosures for Instrument Transformers4 Y! r6 r4 e+ m0 w4 Z
6-408 Location of Meters" `# L1 E U) ?
$ o o: R+ X6 [6 a. K8 S
Section 8 Circuit Loading and Demand Factors; l, d4 e6 S5 j. \+ r% b
General- L2 s; P( ?) k8 _
8-100 Current Calculations8 ]2 A$ ]1 s. u' ^
8-102 Voltage Drop ( see Appendix D)0 T2 Y I! F, U! a k$ q+ i% K8 z
8-104 Maximum Circuit Loading
5 @* h# ?$ |1 @8-108 Number of Branch Circuit Positions1 b3 D, B$ L7 H* f
8-110 Determination of Areas
8 J3 w9 r7 T. z e0 t' g7 _1 GServices and Feeders4 ^- P) d1 u9 V+ i: \
8-200 Single Dwellings (see Appendix B)
0 t# \ Q d( g( a( m m8-202 Apartment and Similar Buildings
0 X4 y, z: s% g8-204 Schools7 T t) m" l3 Y) X% d9 O& D. R4 M U. k
8-206 Hospitals. q$ y* }+ S/ T+ p0 S: v2 c; x
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy0 y! X, D9 Q3 @. S
8-210 Other Types of Occupancy (Table 14)
# j* O( O6 b6 g3 c8-212 Special Lighting Circuits; f% T& v2 W3 I7 |
Branch Circuits( c4 w& k3 r! c3 m8 x, t/ A9 ]
8-300 Branch Circuits Supplying Electric Ranges9 V( c) n* Y: y
8-302 Connected Loads' i# s! `: c, J4 T, |1 `9 T* H
5 M1 B+ Y- b F5 g' I" PSection 10 Grounding and Bonding
! m+ h- S4 y+ pScope and Object
4 T' K4 N" [( @+ _+ l+ D1 g& o6 ]10-002 Object$ `" U9 ~% q* |
System and Circuit Grounding* y; g' K$ w# X' e% g
10-102 Two-Wire Direct-Current Systems6 K7 N- d! e# ?( @( A- H7 M
10-104 Three-Wire Direct-Current Systems
3 s; j" ]5 Z/ |4 a3 G3 P. q10-106 Alternating-Current Systems
4 X' s9 [% F. U2 z, R# n$ A2 H10-110 Electric Crane Circuits
6 K9 j, S) s/ ?; Y) d10-114 Circuits of Less Than 50 V4 ~- B8 N6 ?5 W: B4 N" j
10-116 Instrument Transformer Circuits4 c$ c4 e, }9 Y( `9 ]% N
Grounding Connections for Systems and Circuits
' h& e, z1 N0 _10-200 Current Over Grounding and Bonding Conductors
$ @8 V/ i! A0 F4 D0 G" D10-204 Grounding Connections for Alternating-Current Systems) \* ~( l; K6 d3 e; n
10-206 Grounding Connections for Isolated Systems
; a# f0 }+ v% D. e# r, Y10-210 Conductor to be Grounded
+ g5 F: z7 e ]# g3 o6 zConductor Enclosure Bonding
5 ^ S- a# H/ a10-302 Other Conductor Enclosures1 e4 m* Z7 |# f, a
N 10-304
d+ a& x9 {1 y- O8 M9 @' gEquipment Bonding7 q4 j6 n6 O2 h
10-400 Fixed Equipment, General
# S, x# z4 \* X" B% m10-402 Fixed Equipment, Specific (3), (4)
4 ^2 m1 `3 a, o10-404 In Nonmetallic Wiring Systems
0 R$ u. G/ G& P' T$ ]10-406 Non-electrical Equipment: R$ R7 {0 o# P9 F6 ~6 O8 C O
10-408 Portable Equipment (4)(b)
6 A' P+ {# ?1 y+ g10-410 Instrument Transformer Cases5 M6 s# _9 U, p+ O1 o
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
2 R7 G4 Q: S |' x1 Z7 {: w10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V6 E5 M7 N, G% t- }2 ~
Methods of Grounding
* N+ g( l: k! T8 j" c+ M& _10-500 Effective grounding (see Appendix B)
) X- `1 B9 Q) x! j. b; D10-502 Common grounding conductors
# |' w. O9 l$ m1 I2 @5 i10-504 Common grounding electrodes
! k& C6 C5 ~( N; d2 o* M& WBonding Methods
7 L o( Y6 y& w+ ?# D7 ~1 P10-600 Clean Surfaces
! \1 G+ L" t" k9 O9 T' y1 c10-604 Bonding at Service Equipment, ]- F; w) w2 F4 y4 e4 W! N
10-606 Means of Assuring Continuity at Service Equipment% e. `/ Z2 {9 p
10-610 Bonding at Other Than Service Equipment
3 q$ L! j1 }" G9 l0 P/ G2 J) i+ G10-612 Loosely Jointed Metal Raceways
7 X0 M1 w4 J$ I, p10-614 Bonding Jumpers Table 41
6 ?& J* \, g1 r; j* A, ZGrounding Electrodes5 C# J7 \8 y0 c5 N/ a7 o
10-700 Grounding Electrodes$ L$ U! t) Y. P* c
10-702 Artificial Grounding Electrodes9 v6 h* D* @8 T
N 10-700 & 10-702
0 e1 g, ]2 ~! V4 `, d10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
7 ^0 C2 l9 F. J2 Z% sN 10-7026 J! _% J& {8 Z2 j( g) w
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding; O3 N$ i X. R
N 10-7028 V/ N! R a: s1 K
10-710 Use of Lightning Rods (Appendices B and G)% ~6 j* Q7 L. C: |" P, G
N 10-706
$ \2 W4 H/ o5 m. _9 tGrounding and Bonding Conductors
% m& F2 ^( \7 u$ C( O/ i; Z f; |8 q# ?3 |10-800 Continuity of Grounding and Bonding Conductors
$ Z4 H4 m7 B0 @+ g1 `$ l, j10-802 Material for System Grounding Conductors
2 J3 O) ?$ ?/ \% c7 q/ { |10-804 Material for Bonding Conductors
% F3 S' |+ i5 z* `4 i! D7 A10-806 Installation of System Grounding Conductors8 [ i$ h- l4 a8 T
10-808 Installation of Equipment Bonding Conductors
i. S6 v# F0 r. ~! U10-810 Grounding Conductor Size for DC Circuits. p9 T4 I; L/ _+ o! P7 r: L% D
10-812 Grounding Conductor Size for AC Systems (see Appendix B), A" `, l* L' P
10-814 Bonding Conductor Size (Appendix B)+ h# u5 Q; S9 f) T3 Y/ F- r. \
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment) p, b7 F) f' b1 E. u9 A
10-818 Bonding Conductor for Outline Lighting
+ a0 J/ L& Y4 N( x5 q5 T10-820 Bonding Conductor Size for Instrument Transformers: M: V9 T1 d. H# |
Grounding and Bonding Conductor Connections U6 s8 ~1 i; n. R% W* E
10-902 Grounding Conduct Connection to Water Pipe Electrodes/ j$ m4 Y; I% C/ u$ \! O x
10-906 Bonding conductor connection to circuits and equipment( n7 D; Y3 R1 L2 p( b1 \3 `" r
10-908 Grounding Conductor Connection to Electrodes, a2 q% d. K/ ^% ?7 u; |) p
Lightning Arresters
{! p$ T& h% S: N5 i, @8 s; l10-1000 Lightning Arresters on Secondary Services – 750V or Less# t( a5 ?+ q4 }; A
2 Z" T' w% B" h
Section 12 – Wiring Methods
, a8 I. b q6 D; S) |% n& L0 IScope
3 J- K8 o6 A0 D; y. P: b0 t12-000 Scope (Appendix B)+ b1 V9 y9 ~4 h1 U& j9 p6 Z
General Requirement
2 x. p# r% X# r8 m! e12-010 Wiring in Ducts and Plenum Chambers4 K9 E5 b$ K T( Y5 q" |; t6 h: r
12-012 Underground Installations (Appendix B)8 v7 y( {, V% U8 B' _
12-016 Lightning Rod Conductors9 o1 Y# v: R2 F# Y
Conductors - General
' ~6 N% {8 \7 |/ a12-100 Types of Conductors (Appendix B) Table 19: ]! D( H9 H8 F! b- j* A1 c5 L4 [
12-102 Thermoplastic-Insulated Conductors2 a/ M- m( \1 @5 E) L4 H
12-104 Flame Tested Coverings
. c3 A5 s/ P* A12-106 Multi- and Single- Conductor Cables6 j! s4 G. q; i; T
12-108 Conductors in Parallel (Appendix B)
) [+ q; D( B( H8 k0 g12-112 Conductor Joints and Splices( `+ b0 [- H d% h
12-114 Ends of insulated conductors9 f# K# J* F0 l' Z8 ~( J7 y
12-116 Termination of Conductors (Appendix B)# w; y) c' x# i
12-118 Termination and Splicing of Aluminum Conductors
) H! R# `: z) u1 w: E4 Q12-120 Supporting of Conductors - Table 21# N2 x" i+ r3 h; @9 ~+ ~8 |3 ~
Open Wiring9 }* l9 j) l1 S
12-204 Spacing of Conductors% a) s- s. |: Y, m) M9 D' s' `+ B
12-206 Conductor Supports
) q0 Q7 b3 Q) Y" M12-208 Conductors on Flat Surfaces) F; n+ `. u+ m+ }4 P
12-212 Protection from Mechanical Injury, Y, j0 S( Y" M5 C
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
9 O+ N/ H3 T0 w+ W12-308 Minimum Size of Overhead Conductors
# a; k6 ]/ D1 F/ q( H9 t3 B2 `12-318 Use of Neutral Supported Cables# E, u! Q' b. B; ]" y
Nonmetallic Sheathed Cable
% q; U5 j7 m8 L4 a' L12-502 Maximum Voltage
K+ {6 a+ v6 j, r [1 V2 |6 a$ c12-510 Running of cable between Boxes and Fittings (Appendix G)
! J. Z2 v5 g+ u A12-514 Protection on joists and rafters
4 n4 r8 e$ j z12-516 Protection for Cable in Concealed Installations (Appendix G)
9 s7 _1 {, A8 g, q' W3 V12-522 Where Outlet Boxes Are Not Required1 f% @( z& D/ {, j" E$ @% E$ ?: I2 w
Armoured Cable X7 a$ O$ E0 R* z
12-602 Use (Appendix B)
4 W' w2 C" v2 a9 J12-604 Protection for Armoured Cables in Lanes9 R2 g! F! T, v J* d
12-606 Use of Thermoplastic Covered Armoured Cable
) q' |5 |" y2 _+ O% }# [12-608 Continuity of Armoured Cable
" O- p* V% c6 x12-610 Terminating Armoured Cable
5 I' a* ~& s% q% X s4 |, x/ J12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
1 k5 y1 D v* v* [* T5 r% R12-614 Radii of Bends in Armoured Cables1 m" l: F) H; c: c" e4 Q0 l; f
12-616 Concealed Armoured Cable Installation0 ]% N$ t* e7 J3 \/ H% k) o9 ~; ]! I! J
12-618 Running of Cable between Boxes, Etc0 n# ^) f+ @1 u! r
Mineral-Insulated and Aluminum-Sheathed Cable
9 [ s! Z; [3 t" \# v+ z: P8 r' U/ I12-702 Use% x( w/ O# d* Y" i; m
12-704 Use When Embedded
% v! k/ b8 ^* a4 {1 s12-706 Method of Supporting4 ]5 N8 l: v. F4 g: e2 H; d/ [
12-708 Direct Earth Burial7 y& f8 `& c: i: _7 I6 W
12-710 Mechanical Protection
: M2 C: N4 z) n9 }12-712 Radii of Bends
* [4 }6 n3 O; V& ?12-714 Termination of Mineral-Insulated Cable (Appendix B)3 @, R- M8 y6 v' I& c
12-716 Connection to Other Forms of Wiring6 {: j, U$ c# ?3 N: `6 N2 J
Flat Conductor Cable Type FCC& M4 G& v+ x! E: s T
12-804 Use Permitted
2 Q- Y+ G: ?9 }" A$ x12-806 Use Prohibited6 ]/ f7 l/ N5 i4 o% l
12-818 Anchoring7 p' v7 T, P; _" o5 p( b8 G
12-820 Crossings0 J" l0 [3 p; Y A0 E1 B) A) U4 n
Raceways - General% f3 A) p5 {4 K: V9 r, }! i1 \4 `
12-904 Conductors in Raceways
: X, t- A. M h3 s! p y12-906 Protection of Conductors at Ends of Raceways
: D3 N/ [0 w5 k! |3 w( i12-908 Inserting Conductors in Raceways
- Q9 m$ o* h1 c4 V9 P& I12-910 Joints or Splices Within Raceways1 o5 f% {. \% t1 b+ J9 Z
12-912 Stranding of Conductors
3 P0 O' Y8 d- E1 I- P* R12-914 Electrical Continuity of Raceways- |3 z; P3 o8 k; L5 l/ [
12-922 Radii of Bends in Raceways* W+ x' J3 t+ n( a9 ^% `
N 12-922 Radii of Bends in Raceways Table 7" Y- t! N/ _3 j, O' w& p* _: h& \
12-932 Protection for Raceways in Lanes
$ V3 ^" U( D$ z& o% I7 B' A# @12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)' w/ T7 i% e3 V$ `) T8 V
12-938 Capping of Unused Raceways/ q6 L, j. y* f h
12-940 Maximum Number of Bends in Raceways. B! M3 P; S t/ U/ A
Rigid and Flexible Metal Conduit
- B8 C: _5 P3 Y* n12-1002 Use
! i( o, l W, e) v/ v8 i12-1004 Minimum Size of Conduits
* L. W! G8 E+ a: _7 N$ ^12-1006 Conduit Threads (Appendix B)2 q; l* ]# @2 m3 }* b
12-1008 Thread Engagement- k2 }7 l8 V: `, k5 S' \
12-1010 Maximum Spacing of Conduit Supports. R3 O3 U& G J' K1 ]
12-1012 Expansion and Contraction of Conduits (Appendix B)
$ q# w4 i$ K Y* ~& s/ v- H12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
: @8 _* [4 x* PRigid PVC Conduit and Rigid HFT Conduit
l+ n2 d0 J3 w5 Y/ t12-1100 Use
4 d5 J0 l: m8 R5 v0 \% y' D) E* I12-1102 Restrictions on Use
) F1 w0 T5 J3 F# _9 n: K12-1104 Temperature Limitations (Appendix B)0 I: N) U- u& J' U- x
12-1108 Field Bends (Appendix B), (2)& J6 [* f' F7 d. D, Y1 W! l
12-1110 Support of Luminaires
/ [3 N: n" c' d12-1112 Fittings/ j3 f3 z6 M1 [
12-1114 Maximum Spacing of Conduit Supports1 [; K! c3 }6 U* o% s& U: N
12-1116 Support of Equipment
3 C; R# S) Z1 }+ @' b12-1118 Expansion Joints (Appendix B example)
1 S3 o. o- D& G1 o' |4 I0 HRigid RTRC Conduit
+ a- @) u1 ^8 G/ H4 t12-1210 Temperature Limitations8 M) `; Y% g1 ~: K0 Z0 m) N
12-1214 Expansion Joints (Appendix B)$ t, D1 L9 V4 f' [( B. t
Liquid-Tight Flexible Conduit
: ^1 @* r5 [- o$ ^9 m: z12-1302 Use of Liquid-Tight Flexible Conduit/ G ], J# ~0 G
12-1304 Maximum Number of Conductors
& }. _$ L7 ~* @! n7 ^0 D6 P/ x12-1306 Provisions for Bonding0 T. ^3 L+ n; D5 B
Electrical Metallic Tubing
$ l B/ |# f% X9 |12-1402 Use( q) H3 S, `" W% R
12-1404 Supports2 M7 n9 S# v3 O7 ]5 ^% `$ B
12-1406 Minimum Tubing Size0 b- Y* Q5 E/ l2 Y+ w6 W' F
12-1408 Maximum Number of Conductors7 l8 Y. z8 U" ?9 y# o, R0 b
12-1410 Connections and Couplings6 @6 G9 F: H, X/ p/ x& `( ]$ {
12-1412 Radii of Bends in Tubing5 J9 |6 {! ]5 z. @
N Table 73 s" \6 R0 N8 R& H5 s5 o' m
Electrical Nonmetallic Tubing
2 n7 ~5 d3 n5 q. ^12-1516 Provision for Bonding Continuity- ^) }2 h0 R, w) I; \2 L
N 12-1514
/ r8 `7 \1 B# W$ ^$ KSurface Raceways8 I2 b/ F7 L( t+ G v2 y
12-1602 Use of Surface Raceway (Appendix B)
0 L$ E. G9 ~" I8 d" n! f12-1604 Temperature Limitations K! l: X' c. g
12-1606 Conductors in Surface Raceways (Appendix B)5 D9 Y7 y9 t1 g3 V2 @
12-1608 Maximum Voltage7 P4 z0 m5 U9 v" w2 E: S5 l
12-1610 Joints and splices
5 Y( T- {; d5 d; U* dUnderfloor Raceways1 C* v, ^& {- h. y' c1 b" \9 W( Y
12-1712 Discontinued Outlets in Underfloor Raceways6 V, I2 V9 p+ y: G) A$ K
Cellular Floors
* ]4 i0 F* X7 Z e# u$ ~2 K12-1804 Maximum Conductor Size in Cellular Floor
, c$ p: j# j- v# W- `+ a1 z12-1820 Cellular floor discontinued outlets
, ^2 `$ M/ Y" }Auxiliary Gutters
) m" I: ]: y" h1 N12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
" Z/ P n# O$ ^! d/ F12-1902 Auxiliary Gutter Supports
/ C. L- ^3 e4 Z8 k9 A7 |, b12-1904 Auxiliary Gutter Cross-Sectional Area2 z5 Z$ [7 L/ q& y
Busways and Splitters+ J; E7 u" Y5 l+ {: M
12-2004 AC Circuits in Busways and Splitters
; |2 {! t+ r3 u9 g; f5 L12-2006 Busway and Splitter Supports
# d# k) ^& A3 G0 P i/ N& e0 I12-2008 Method of Installation of Busways9 W5 t$ h- ~/ G9 a
12-2012 Reduction in Size of Busways1 w& \5 H* x; M& W
12-2014 Length of Busways Used as Branch Circuits0 z+ ?& w: I/ a5 _ k/ E% Q+ E
12-2018 Taps in Splitters
/ M/ L0 P2 S, W* R7 X) ~: K! e9 xWireways
8 W p$ I8 v, T5 t5 z, e$ x12-2104 Conductors in Wireways5 }* j1 D0 A& O, U+ |& U
12-2106 Taps and Splices in Wireways- S5 a# i7 Z. v0 y) [) ^
Cable Trays
' u) S; [0 k2 L5 H! F( ]' ~12-2200 Method of Installation (Appendix B), G4 f0 a- ]3 I- z; B
12-2204 Joints and Splices Within Cable Trays
' ^/ C- u$ j0 ^. u; L! A12-2208 Provisions for Bonding! p7 i, }# J' B( u
12-2210 Ampacities of Conductors in Cable Trays4 K( {7 \& y5 E, ^
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
7 Z$ ^6 E* E) ~& b: z/ s. Y7 \12-3000 Maximum Number of Outlets Per Circuit
) D8 V! G3 q) l% H! t W8 \N 8-304
X+ ?) f, n" A3 x( u12-3002 Outlet Boxes (Appendix B)
; z1 O% f6 _. xN 12-30006 A6 `: N% _' d) k
12-3004 Outlet Box Covers
! U$ }; X( K, ]# ^$ kN 12-3002 B& P- c0 n, m. p7 A& ], `
12-3010 Boxes in Concrete Construction; `( `$ L- J; \
N 12-3008
4 ? p6 g6 k2 R0 z12-3012 Outlet Box Supports @/ Y) K" m7 P- k+ k* r8 t
N 12-3010; x# G# j6 T; q5 p6 _
12-3016 Accessibility of Junction Boxes
/ R0 M8 L& }6 G. J& B* Z/ JN 12-3014# V/ P C0 `5 c* m
12-3018 Flush Boxes, cabinets, and Fittings
& m/ U7 y2 U! H# zN 12-3016
0 O; ]% G& f: g0 n( W* w2 Q$ }, A12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) # T: p5 F1 a, S* s, S
N 12-3022
F, h9 U& Z, t5 P4 l12-3036 Maximum Number of conductors in a Box - Table 23
9 o1 W# \. W" j' cN 12-3034
* K; M( A3 {) |+ m' j0 e: V1 ^12-3038 Pull Box or Junction box Sizes
) c1 m7 h$ Q3 L3 @0 z& l0 bN 12-3036$ w6 Z$ z6 Z) k9 g+ Z2 I/ e9 [
A( k4 F' n' |3 u( ^$ _1 l
Section 14 Protection and Control
0 b0 E' N/ T# E0 s6 P6 k7 ^General Requirement. F( G1 P* W9 c# j( K* e
14-010 Protective and Control Devices Required
; g4 [- b. q8 K, P& o14-016 Connection of Devices4 o: b8 f5 |2 X. `
Protective Devices – General5 K0 p. K) U& Z. k/ n
14-100 Overcurrent Devices Required+ \. B7 t" X7 Q+ p
14-102 Ground Fault Protection (Appendix B)% I/ T2 y$ B, t3 z
14-104 Rating of Overcurrent Devices (Appendix B) Table 13+ |9 T/ K' O, J8 n! y2 U
14-112 Overcurrent Devices in Parallel
# C4 s r; u2 J) y7 d3 ^* qFuses$ f5 O3 e( G. f3 m+ L% ?$ w
14-200 Time-Delay and Low-Melting Point Fuses
1 m C: l( I! b5 t0 _14-202 Use of Plug Fuses I! H2 q% i2 u% ^0 v
14-208 Rating of Fuses$ l3 k- X! ~) H" ~% E1 X
14-212 Use of Fuses (Appendix B)
! V) J0 M3 Z. a* [$ ]! |! o" aCircuit Breakers
5 }( [8 T2 n n: P6 k2 Z N14-300 Circuit Breakers, General
+ j: V# i# |8 s( N: M14-306 Tripping Elements for Circuit Breakers- m# e8 R5 n. O4 x8 z
14-308 Battery Control Power for Circuit Breakers/ s' P. A# V0 E: f
Control Devices - General9 g# [; q- V, K( r& X8 G% R: Q
14-402 Disconnecting Means Required for Fused Circuits4 T d/ {1 W! y; Y2 q' f
Control Devices - Switches
. _) b9 [9 e& A9 c14-502 Mounting of knife Switches0 Z* s" `! ` g) ]$ f" L
14-504 Maximum Rating of Switches
8 W# c7 `; b2 `2 x0 K6 W14-508 Rating of General-Use AC/DC Switches (Appendix B)6 r9 L3 `" ?6 L. |
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)0 {3 D, k3 P4 u. A* A; M
Solid State Devices
, C+ |! z9 q7 ~2 v; [14-700 Restriction of Use
& b4 T5 O3 x1 b6 e14-702 Disconnecting Means Required
+ g8 I: [0 Q! i5 @ k( ?; t
3 @6 S5 I$ _- Z+ m1 ISection 16 Class 1 and Class 2 Circuits
0 ~3 n) P1 n% T1 m( QGeneral$ Q9 i4 J* [ [ y4 H, I
16-004 Class 1 Extra-Low-Voltage Power Circuits
. A: o0 g |$ @" z) p16-006 Class 2 Low-Energy Power Circuits+ Y; U8 {/ V4 y5 M7 s
16-012 Circuits in Communication Cables
5 j3 @; Y1 _) }3 }5 b8 a3 m% w1 yClass 1 Circuits! A/ P, D( k$ |% r [( Q
16-100 Limitation of Class 1 Circuits
; u) ^. A% o0 w# s% L16-104 Overcurrent Protection of Class 1 Circuits, t- I4 @- R) r* g
16-106 Location of Overcurrent Devices in Class 1 Circuits
% z% C0 J% d* X& p8 Z) q2 A16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers2 y1 a, f: Y9 r$ W1 }7 ~
16-110 Conductor Material and Sizes
( u$ c$ H( m2 c$ C" V* ~$ f16-112 Insulated Conductors for Class 1 Wiring
% k6 k2 x2 f+ w s Q8 @Class 2 Circuits3 i: `4 U2 E/ u' g9 t; y& o" Q
16-200 Limitations of Class 2 Circuits (Appendix B)
* }" p6 K$ y1 U, w7 H' ?1 _16-204 Marking
2 g( x3 |; V' a; p0 x$ J1 Y5 h16-206 Overcurrent Protection for Class 2 Circuits* d4 q/ }8 L0 v" H+ y( i
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
8 R' C- N6 _ J) RELC: extra-low-voltage cable0 I' b) Q9 S9 \8 c& f9 O F
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
, Y9 x0 k- z* e! s! v% G3 k' ?3 n
Section 18 Hazardous Locations5 Q9 {: w8 w; t2 q5 \8 m5 q
Scope and Introduction
) b4 \# N& C8 e4 S18-004 Classification
& G y3 x& ?: ?: g4 i: `18-006 Division of Class I Locations (Appendices B and J)
4 U# o, L" J) A18-008 Division of Class II Locations (Appendix B)
Z9 D/ M1 V) f18-010 Division of Class III Locations (Appendix B)% m; h h5 V* Y6 r$ K2 t, B% f
General
. @+ ?- o8 h: d: q9 r9 M. d18-062 Metal-Covered Cable (Appendix B)8 p: C" U" G3 y. U+ S
Installations in Class 1, Zone 1 Location$ }: @' m" ~4 M- S% a y. S
18-108 Sealing, Class I, Zone I (Appendix B)
~7 C9 S. S3 ]- l
1 u- _1 R8 T0 n# DSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
# r, U& }3 k1 p& r! TGasoline Dispensing and Service Stations+ v! c% n3 G9 |+ ]8 l- a: [
20-002 General
9 ~" c" R6 D$ F2 t! h20-004 Hazardous Area (Appendix B)
2 H/ ?+ g6 O' Z1 [( Z: r. M" `6 gPropane Dispensing, Container Filling, and Storage
; K1 a) |8 k w% F3 g, k ?20-034 Hazardous Areas - Table 63" P1 A# G( K0 P* t5 T. P; @: @
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
* s1 D! t0 h- Q M" _5 `$ l& t20-062 Hazardous Areas
, i. t% A: j- m2 F" n' XCommercial Garages – Repairs and Storage
7 |3 y0 |- B- c, ^20-100 Scope9 Q4 a' t: _# ~
20-102 Hazardous Areas (1)
) G) N A9 y! k/ M7 c' K# Q0 H1 g2 `- {- _& t! g7 O1 B
Section 24 Patient Care Areas
3 J% T: T; v3 y# r' `" B# g24-000 Scope (Appendix B) W5 f( m/ L1 Z; N
24-002 Special Terminology (Appendix B)
' m- r4 K. p+ Y5 ^+ G5 i Patient care area; N! S6 @) m# Y
Patient Care Areas
- W9 T. }! t4 O8 l" y3 k" v ^. h24-106 Receptacles in Basic Care Areas (Appendix B)1 X9 t i# }1 t, ~3 Y
Isolated Systems5 Q. r/ W- N0 J7 C/ |9 S2 m
24-204 Single-Phase Isolated Circuits (Appendix B)
) R9 B" R0 i( S' A& F- |: k24-206, X. g; y8 z+ l/ p4 p8 D Z
% ~3 \; |) X, r- c, D# L7 o
Section 26 Installation of Electrical Equipment' u5 S" z5 k8 M9 R/ C+ p3 J
General3 |4 h4 w5 D2 g( `. \& S* X2 M
26-004 Equipment Over Combustible Surfaces (Appendix B)
2 m! r( f9 V: i2 K2 P" \7 W, A26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)! u0 a1 X3 } j9 a% G4 e3 }1 K& Q
Isolating Switches
0 S) L2 y0 u: \7 H26-100 Location of Isolating Switches$ v& q: N8 I2 G9 M2 q9 h% P3 H
Capacitors! I1 U% T B" ~6 e1 E+ b
26-204 Guarding of Capacitors
, h9 c$ N3 N) k7 L5 \, N+ n$ M26-206 Grounding of Capacitors" \6 F }& H5 P* M/ V# e
26-208 Conductor Size for Capacitors, i, Q( R U1 G, M" R! O& U
26-210 Overcurrent Protection (Appendix B)
+ d$ A, v. J5 q, k1 {26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits4 p1 `9 z/ D0 @. [1 b
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
) `9 V0 j& e) J3 e; o& k W26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits! K2 F1 t6 T6 f3 A
26-218 Special Provisions for Motor Circuit Capacitors
) M6 ]: C) d5 n9 w. o26-222 Drainage of Stored Charge of Capacitors
% e- I% J, t: ~Transformers2 c( X/ V b# \) L
26-240 Transformers, General6 T- ]3 W* I, V( T) `) c+ G8 @5 N3 L
26-242 Outdoor Transformer Installations! B( ^( ?. ?( J) T1 `
26-244 Transformers, Mounted on Roofs (Appendix B)
; ~8 ]3 j. X: z. _9 U( G; w26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
; j; B. {9 j! Y26-248 Dry-Core, Open-Ventilated Type Transformers) z" m7 L+ ?7 I" {9 X5 d8 x V
26-250 Disconnecting Means for Transformers
: S4 B. p1 B. s! F2 N26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
: z2 T0 ?: ^) T5 E0 S4 O! o* `6 c26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers% C* k) z% v2 J# `
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
, j1 A' G% M) w; e. m26-258 Conductor Size for Transformers
4 F" V9 |& i) H: s" r26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
) }3 R s4 _. \' B! e5 R* J1 V7 w26-262 Marking of Transformers$ J' M/ ^0 E: B0 a' c
26-264 Auto-Transformers% g" k; K$ i, {% K& c0 r; `6 s& K
Fences
9 R5 E' ^* P( m- U5 b26-302 Clearance of Equipment - Table 33. W5 M- w A, ]: d- m9 y
Panelboards
0 d. R! t* i' y7 Z* W% c; i, B26-400 Panelboards in Dwelling Units (Appendix B)1 Q+ ^, e# c- a2 W: D* \
26-402 Location of Panelboards (Appendix G)6 {/ w& R( V" O u+ m
Lightning Arresters( \( o3 h. X; n- `. I
26-508 Connection of Lightning Arresters; L$ I7 b4 c6 z: s: @6 r! ^
Storage Batteries
$ u: K4 `' g6 Z2 z9 w# _26-542 Special Terminology4 H- K) O3 F6 X- D
26-550 Battery Installation. P2 j8 s& h4 i/ y7 t/ ]' y
26-552 Wiring to Batteries
# J. _; O0 _2 S+ qArc Lamps
% f' a+ H. C( j% m9 e E$ F26-600 Location of Arc Lamps2 {5 x2 A5 F/ [/ p6 ~1 }/ B7 a
26-602 Conductors to Arc Lamps
) x8 `9 E* v& c' Y$ E) w26-608 Globes and Spark Arresters6 b, o- f& z [! w, y
Receptacles
9 g3 b |) ]! Z; [, `26-700 General (Appendix B)
" e# A- H; N7 F5 E- p, ^& l26-702 Receptacles Exposed to the Weather N9 `1 U8 l4 z
Receptacles in Residential Occupancies U! ?) F3 {% m) Q4 h$ x. W( ^
26-710 General (Appendices B and G)
6 {1 t; ^) b O4 d26-712 Receptacles in Dwelling Units (Appendices B and G)
L3 y, W6 N# g+ l6 N26-714 Receptacles in Single Dwellings (Appendices B and G)$ I$ {9 q* X, V" w+ h* s1 T
Branch Circuits in Residential Occupancies9 o: [! R0 s8 U# d2 e' X& X: v
26-720 General
* Y8 h( |$ d) [" J26-722 Branch Circuits in Dwelling Units
+ _7 j; l* m! g% Y1 g26-724 Branch Circuits in Single Dwellings% X8 a* [& {! e* T
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
6 o( p, M! b# ], |N 26-720 (F)
: i' o9 `) F% I6 l7 ]5 Z8 F$ UElectric Heating and Cooking Appliances
3 v& V9 l4 m1 d& [1 @26-744 Supply connections for Appliances3 F( T4 \" K/ Z, b9 }
26-750 Installation of Storage-Tank Water Heaters
5 K K, q* g/ {5 ~9 Q+ s26-752 Infrared Drying Lamps3 s A, D" w& r# h
( |. M( Z) y# u8 L
Section 28 Motors and Generators
0 X4 P% Y7 s" h o/ U# vGeneral* e' d' f) P# h: u. i# D1 q
28-010 Special Terminology
0 L" w! G; ~+ ^. {$ |Hermetic refrigerant motor compressor" [; w( M5 G, S3 |3 O
Locked rotor current rating
. [9 D) f0 j5 L7 q [7 hService Factor+ k+ U2 M3 ~* y$ X U/ E; Y: G
Table 44; Table 45; Table-D2
# j9 \- [* r- R2 L5 N* `5 GWiring Methods and Conductors& p; U \( v. ]
28-102 Portable Motors
0 |$ E2 O. E* Y9 E28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity8 @% N% M5 R+ V! d( F
28-106 Conductors, Individual Motors4 k) y0 g1 d* g9 R2 A- X
28-108 Conductors, Two or More Motors
9 }! g, Z; l( {5 b% J28-110 Feeder Conductors5 J( O- p1 K8 _5 h# t
28-112 Secondary Conductors
3 Y6 O: {" c5 T) `' `, ]; oOvercurrent Protection; z) e- M3 a7 b# r- W H5 M
28-200 Branch Circuit Overcurrent Protection/ {6 G5 n# i/ ?9 [& D
28-204 Feeder Overcurrent Protection
, K3 s7 _6 D2 }3 f2 R! h- h+ Z28-206 Grouping of Motors on a Single Branch Circuit+ P! E% C# \6 c
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
) u! j% R4 p4 z; ]+ w& zOverload and Overheating Protection! F) y& p7 y8 L1 E6 ~5 w
28-302 Types of Overload Protection
9 a+ I8 j: T# b28-304 Number and Location of Overload Devices (Appendix B) Table 25
! r, y4 A4 Z3 }% V28-306 Rating or Trip Selection of Overload Devices (Appendix B)
( |3 r; T8 S2 z) h. H8 F* K. \8 q28-308 Overload Protection Not Required
( t9 r, m' U, {) `Undervoltage Protection " O% L$ b5 ?4 Q! ]$ [0 D4 U' }
28-400 Undervoltage Protection Required for Motors (Appendix B)9 E' K1 W! ?8 A' R1 y$ G1 ^5 A# z
Control0 ]) h' i/ v0 b$ S- A8 [
28-500 Control Required
( p" g6 r" `9 z/ Z28-502 Control Location6 V* v$ m* M3 `9 k- l- y& U
28-504 Starters Having Different Starting and Running Position
: b2 j$ L) R" }) s( a28-506 Grounded Control Circuit3 U' U* R! t$ {) T5 }, b
Disconnecting Means
! N7 G: J* v4 ~) ^. l- |7 _28-600 Disconnecting Means Required
, V; E, }) t/ l$ C3 N28-602 Types and Ratings of disconnecting Means (Appendix B)
) C/ B3 ]2 ^0 e4 k+ I/ {28-604 Location of Disconnecting Means$ n/ v3 D' a1 |$ ~/ J* C& q
Hermetic Refrigerant Motor-Compressors
8 a8 Y, ?9 r5 \ m28-706 Conductor Ampacity# Y. _8 b, M! x/ o8 R* G
28-708 Overcurrent Protection$ I4 ~, V( I- P0 _- i Y
28-714 Disconnecting Means
* p% b2 `/ k; V1 WProtection and Control of Generators
7 S9 F$ o7 j7 P9 l28-900 Disconnecting Means Required for Generators
) _# g9 _- W" t* M28-902 Protection of Constant-Voltage Generators! R0 P" b L: J; X! e
28-904 Generator Not Driven by Electricity8 X& @1 ~, I ~: a
28-906 Balancer sets/ Z, l+ t0 Q- S
28-908 Three-Wire Direct-Current Generators
& B: ~6 o8 }% B, _$ A0 ^& o% I3 b; l1 U! d4 c$ l3 _1 r
Section 30 Installation of Lighting Equipment; g7 ]( R9 T$ l. w
30-002 Special Terminology (Appendix B); I" K. c A) B+ y, p7 {
General
" B* U' \- G) {7 X. g6 p! O/ a30-102 Voltage
. @! M4 I: d5 W" c5 z: @30-104 Protection (Appendix B)
: G. K: W: J7 a30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment/ P$ Q$ z$ X3 I& ^+ m" L5 ~% d; q
30-108 Polarization of Luminaires: @# B( H4 w4 G6 J
30-110 Bonding of Lighting Equipment
1 E5 K( {' k5 |# y# F( YLocation of Lighting Equipment
1 ? A- N- g. A% J. o30-200 Near or Over Combustible Material P. y6 n. h8 m) A
30-202 In Show Windows
5 d5 _% X3 }/ C# H; r30-204 In Clothes Closets
; I0 I$ |9 r' gInstallation of Lighting Equipment3 P% _+ o' @$ Y+ a& W8 p- j
30-302 Support
2 W. h/ A: t) Z+ G# |7 k30-304 Outlet Boxes to be Covered
( o0 c8 u3 Y$ I: F3 Y) V% ~30-308 Circuit Connections
! L3 l" C0 n1 O- Y# I7 }% L, B0 t/ T30-310 Luminaire as a Raceway+ \# x5 ?5 _4 \6 Z' ?
30-314 Minimum Height of Low Luminaires
/ T( G% L/ Q% K8 B( M30-316 Luminaires Exposed to Flying Objects4 w6 R! v7 ], M. @, w
30-320 Luminaires in Damp or Wet Locations% z' Z' h+ E+ a) y
N 30-318+ J% S, U, g+ z$ Y3 P
Wiring of Lighting Equipment! r6 b2 z# R' U4 ~1 c( X
30-400 Wiring of Luminaires) Y7 W/ p+ Z i4 Z+ Y& l
30-402 Colour Coding* [2 i, ^0 D: J/ ?
30-404 Conductor Insulation+ w, D U, t+ p! {
30-406 Conductors on Movable Parts
9 D) e# d) [" n6 p30-408 Wiring of Ceiling Outlet Boxes
/ y" h* N/ i: \" s" r9 n# t4 V30-410 Wiring of Show Window Luminaires
7 J7 Y }/ w* V$ Z8 T4 ?30-412 Tap Connection Conductors
6 B {( t0 D$ sLuminaires in buildings of Residential Occupancy
6 f$ q- W. c& G T. r8 x30-500 Lighting Equipment at Entrances (Appendix G)% y- g3 V. g! Q- w' e" j9 W
30-502 Luminaires in Dwelling Units (Appendix G)
! q( {! ^2 t' D30-504 Stairways (Appendix G)+ O! K2 A" R4 J8 F5 _: P2 J
30-506 Basements (Appendix G)/ E3 J9 j9 l) W4 a; ]+ ~, e
30-508 Storage Rooms (Appendix G)
3 C! I6 z0 z) Q30-510 Garages and Carports (Appendix G)2 [6 L8 G# w% q
Lampholders
; x3 d5 v3 ^* f) L30-600 Lampholder rating with Incandescent Lamps0 m6 L& \/ L y+ Y: K. x/ |, z
N CANCEL7 J% ^/ c2 H/ }5 M$ e
30-602 Connections to Lampholders T5 q% l; |: B/ C
N 30-600
9 ]+ V" y& k+ o) k2 H30-604 Switched Lampholders Used on Unidentified Circuits
/ d* P4 |$ @% l; K; ?N 30-602
. a: D5 [" @" \# t* }* @* ^30-606 Switched Lampholders with Pull-Type Mechanisms' {3 [6 y! z( g3 @# O
N 30-604+ D) _, ^5 g$ G) \9 E+ J- J
30-610 Pendant Lampholders" S: D$ \0 o! W! B: i1 `
N 30-608& x0 i6 H% h; Z+ A# _1 ^, H# V; y# p
Electric-Discharge Lighting Systems Operating at 1000V or Less# z+ {" I J; A3 `& }7 v
30-710 Control (Appendix B)- c. s' X: j# [
30-712 Branch Circuit Capacity' x4 j' }; _6 p/ h* B" v
Electric-Discharge Lighting Systems Operating at More Than 1000V) z2 y0 i& C. L% G. I3 E5 p
30-802 Voltages, Dwelling Units
+ q3 G/ V0 l1 c30-804 control (Appendix B)
/ d% S8 a, w( v4 `0 H. FRecessed Luminaires (Appendix G)
5 X$ E8 A$ A' Q$ {1 u30-902 Spacings for Non-IC Type Luminaires
" v$ u; v' S( d, a( ]# a$ d1 Y7 o" H; ^30-910 Wiring of Recessed Luminaires (Appendix B)
) k( Z5 |% M2 [" \. N5 NExposed Wiring for Permanent Outdoor Lighting
! t( P4 x G3 ]7 \30-1120 Branch Circuit Loading and Protection
! p4 M1 G8 W) c; H* q5 V; sExtra-Low-Voltage Lighting Systems
7 K1 G) u2 a0 @& n# z: ~; b30-1202 Sources of Supply
8 ~$ x$ j" C+ o9 p) n1 r7 }, a4 P$ w
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
% v2 A6 b6 j; W% g; xFire Alarm Systems9 B( V* Y/ Y% d! T
32-100 Conductors
. `; n' H _4 q/ u9 _32-102 Wiring Method
! J8 \% G! l! b32-104 Equipment Bonding
; o$ n8 I0 Q% V; z32-106 Electrical Supervision
; O3 x/ z& {6 a+ R) g; ~32-108 Current Supply$ O. D6 j' k5 p' S( ~( c- y
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
- D1 K; I9 j7 J6 ]Fire Pumps
: G4 e& }3 s/ Q5 y32-208 Overcurrent Protection (Appendix B)
* p7 I" h9 Y+ B# nN 32-206( h+ I' ^) G$ g
32-210 Overload and Overheating Protection (Appendix B)8 O. x* v5 K7 l, R- ]9 {
32-212 Ground Fault Circuit Interrupter (Appendix B) f/ \. o8 A$ Z% s9 R8 K! h3 V( U% Y
6 z+ u, r; r5 ~1 l9 v1 ESection 36 High-Voltage Installations! F$ j) ], X+ n X
General
5 b- G! t# U# C1 v7 z) Z36-000 Scope (Appendix B); z; f j+ v% Z
36-006 Warning Notices
! h+ E$ z# o, w( K" w# U- v* zWiring Methods
$ |0 N6 n& P" A+ a2 m36-102 Radii of Bends1 s4 d0 \3 n" K
36-104 Shielding of thermoset insulated conductors
) K- I/ @1 ^" Z2 ?7 Y36-108 Spacing of Exposed Conductors (1) table 30, table 311 U5 r+ Y9 U& D2 [
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 349 H6 n% v; q+ Q0 Z9 |. V6 N
Control and Protective Equipment
) p2 ?, ?8 E) y" B. I, w+ c36-214 Disconnecting Means1 f$ [; `4 ?/ z
Grounding and Bonding4 {3 u1 k" W9 g* x) \* s, j
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
- j9 }2 h5 q8 y- @# i$ r$ y4 P36-302 Station Ground Electrode (Appendix B)
: _, p5 T6 U p0 X+ D: h( H, }36-304 Station Ground Resistance (Appendix B)% B4 x: u) z0 ?
36-308 Connections to the Station Ground Electrode (Appendix B)# A" e8 Y. o& O# ~8 e; \& n2 O* H+ l# a
36-310 Gang-Operated Switch Handle Grounds
$ ^+ P7 M2 p3 B3 p36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
# X2 m- J1 x1 u Z1 N1 Q7 e0 Q/ z
& X( ]% M, r- q; z3 DSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
/ \9 V; P# P/ @0 X O6 @- E2 l. M3 ?8 @& ?38-002 Special Terminology (Appendix B): `+ H" U X1 g; O/ x) h
38-003 Voltage Limitations (Appendix B)
, _. d' B" G! s7 v* E7 n1 W, }# W38-004 Live Parts Enclosed# L+ E% N4 D: c8 l( @# G" Z" J% w( p
38-005 Working Clearances
1 e0 o( m( g! h0 F" Y38-011 Insulation and Types of Conductors
) W" N& r; P* x6 Q1 O1 @38-012 Minimum Size of Conductors
& S& C' D" H/ v2 T, F7 e+ t9 ?( I
. T. x4 h& H; i, U0 w( u1 m3 TSection 40 Electric Cranes and Hoists
$ J: W2 X' `+ ~; D' j0 Z40-008 Disconnecting Means
# I7 q- i0 z0 _3 h5 A/ w% p40-010 Main Contact Conductors# c" R8 F7 n0 W: ?7 o8 ~8 C
$ O; W; U: n! ]; b& e0 E
Section 42 Electric Welders
: y$ V2 X& @- ^9 W# q% cTransformer Arc Welders) f1 [6 N) Y; L, j, w- t3 K3 X
42-006 Supply Conductors
) V' \% W3 j2 P: l9 K V2 I! H
: Q( r J: F+ Q' {; m0 ]Section 44: Theatre Installations
: J" z8 r) s% v5 |General- `& U4 w4 l6 n4 R; X) \
44-104 Number of Conductors in Raceways
n2 O& L' w# R+ T1 h44-106 Aisle Lights in Moving Picture Theatres- x' l& r8 B$ y# |9 o2 o
Fixed Stage Switchboards
+ r. F. m) j9 w44-210 Overcurrent Protection5 Q8 y* \- E$ `9 t
Fixed Stage Equipment
; j6 ?. F) P. @- C+ V5 ^1 p/ z, |44-324 Receptacles in Gallery Pockets
5 x" ]' D4 \! `7 n44-326 Receptacles and Plugs& p- M9 j9 C( b8 X
4 c, o6 e, H% _6 C5 @2 D x8 k, mSection 46 Emergency Systems, Unit Equipment, and Exit Signs# h2 t/ w3 x7 J% T5 b, ?
General
, a, X. f! T" { ~/ C0 o46-102 Instructions
& F c, l! O* h) p46-108 Method of Wiring (Appendices B and G)
! w- s& Z8 M$ F' B4 X1 \" gEmergency Systems
0 h( h* J! i: p3 c) c3 d46-202 Supply (Appendix G)
$ {( @" ^# I. W0 d! C. H9 j46-204 Control0 ^( Z0 ^) ?* m. u# w& ~" b ]
46-206 Overcurrent Protection# W* G) x5 h3 p$ `" D- P! j7 @
46-210 Remote Lamps
7 i# G$ L) A7 s; _# JUnit Equipment
6 X7 G& l7 [% e1 _1 V+ H46-304 Supply Connections) y9 ?7 ` t/ D! v3 `" X5 \; T% Y
46-306 Remote Lamps (Appendix B)% A. r7 N* h/ o% ^9 q
Exit Signs, y# Y% b2 o% `8 q4 s
46-400 Exit Signs (Appendix B and G)$ Z5 t* z$ R: g
/ k+ a% @0 _8 F1 jSection 54 Community Antenna Distribution and Radio and Television Installations
0 Q" Z Z' Q4 T( G$ X1 [& N54-000 Scope
" E/ Y5 ~3 ^/ K5 e( C. N54-004 Community Antenna Distribution (Appendix B)1 t' e) v" `$ s5 F$ d7 m
Community Antenna distribution# M$ _. ]" [" Y* _5 ^5 U6 W
54-100 Conductors
% m* T6 k" f' B1 ~54-102 Voltage and Current Limitations (Appendix B)
5 {1 P% ~) O8 L9 s& n' rProtection
5 F# r# A& I! C) W54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
4 Z2 O5 Y' `+ p3 \, PGrounding
8 _' H: M v- |$ m$ p9 ]54-300 Grounding Conductor0 _" x- t' G* w& X* h* t! O
Conductors Within Buildings
1 c2 `% a( @* T R: v# X54-400 Separation from Other Conductors
. T/ o2 h j# A: ?+ jEquipment3 f. O H7 f' [, w3 O ^
54-500 Community Antenna Distribution Amplifiers and Other Power Sources h# y6 ]2 X& I& F: p/ \2 y
54-502 Exposed Equipment and Terminations3 G3 {/ ]# \, k& m/ p
/ w w7 Q+ \. h4 A; Y7 J& y: n% FSection 56 Optical Fiber Cables0 T2 n7 l9 C# _! O* C1 q; O
General$ j( l- T- i- N9 E, U4 C: Q
56-100 Special Terminology
) v) z1 M* G& ]+ h/ o$ o56-102 Types/ W" F: `4 u! J T1 s( k9 g
Installation Methods) m1 o/ n+ c% q( ?; j2 H
56-200 Nonconductive Optical Fiber Cables (Appendix B)
% m' K5 n/ h4 H/ k8 ?56-202 Conductive Optical Fiber Cables (Appendix B)
( b4 J# `) I7 n9 N* p" j56-204 Hybrid Cables
0 w. ~- y, j+ N56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
- a4 k& V! x7 K B
2 \# h+ j3 g7 o# A: N4 |0 q6 VSection 60 Electrical Communication Systems6 \$ W8 I O/ W& I5 f5 O1 w
General7 X& ^+ g- P \# k( S! B" n
60-100 Special Terminology3 I2 y3 G8 v: ]" p7 }! d
Protection
1 J2 @. _1 X* v. T# t60-202 Primary Protector Requirements
) V! L. u- c0 v: e9 BInside Conductors) M' S& K- |) I6 ~) q$ T) x
60-308 Separation from Other Conductors
: @2 y8 E$ w) eEquipment) X5 y: b& |; J5 k
60-404 Exposed Equipment and Terminations
/ P" [% X% h6 q" [! h1 N/ S4 |Underground Circuits/ t- H, k6 e' i2 |
60-600 Direct Buried Systems
5 T1 G0 l6 d6 k% X* X( H L1 [: Z+ Z% c; I, l
Section 62 Fixed Electric Space and Surface Heating Systems u5 K! K/ E4 m7 H, D2 h
General
( V! m7 _# }/ O" ]62-102 Special Terminology* J. W; }4 K- ^ A5 b! k! g
62-108 Branch Circuits
" N {0 P% L$ C4 {; O5 H) S62-110 Installation of Fixtures. {9 m5 ~4 x5 }3 ]2 |9 M/ [
62-114 Overcurrent Protection and Grouping (Appendix B) (5)# V1 B& Q P9 f- h* x
62-116 Demand Factors for Service Conductors and Feeders (2)7 u. M$ `# p0 S
62-118 Temperature Control Devices8 A! F$ A5 H4 K7 |% v E% Y, B
62-122 Installation of Series Heating Cable Sets (4)(7). l0 l% ~3 [; r% ]
Electric Space Heating Systems9 E, U; \' ?# X8 l
62-202 Temperature Control
) P; m9 w& M4 c4 f1 Q: `5 R62-206 Proximity of Other Wiring (Appendix B)
+ ~; z7 I( }8 c$ X% T3 G. ]62-214 Installation of Heating Panels and Heating Panel Sets
. W" W3 Z, g! H6 K62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
3 p( ?1 j2 O7 L2 c }62-226 Installation of Under-Floor Covering Heating Panel Sets
9 N. R! N8 M* s. x* ]& ]Electric Surface Heating Systems
( P* _8 {! `6 u/ q62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
" Z, ^; s2 q/ O/ I. h* P/ Y
# r9 l# \1 Y+ f: l& oSection 68 Pools, Tubs, and Spas; p- q7 P4 f. I! l
General
4 M. U9 S) S `, q0 t68-050 Special Terminology' v/ d4 {5 p# H
68-056 Underground Wiring - Table 61
6 [$ }: r" @+ W; b) c68-058 Bonding to Ground (Appendix B)
" e4 \$ W! }& s2 h. F' A68-060 Junction and Deck Boxes (Appendix B)7 @; b6 @7 J: n" X$ C
68-064 Receptacles
8 t: _" l; ~/ s4 ? q+ A) ~68-066 Luminaires and Lighting Equipment
& g% r, x8 T+ Z) l68-068 Ground Fault Circuit Interrupters (Appendix B)
3 L/ J/ V# k! e! T" ^
0 O3 m3 m2 ] w# T- }3 k8 nSection 70 — Electrical requirements for factory-built relocatable structures and 8 y; _8 B- p* d/ X2 X
non-relocatable structures
$ ]3 K7 r& f3 s& }9 u. C7 ]70-130 Tests (see Appendix B)2 s$ F h( V* B9 f- V
u- }# t ^ p
Section 76 Temporary Wiring (Appendix G)& Y0 N& ~4 b6 R# s3 }
76-004 Grounding7 {0 j2 E2 g' q' x# Y5 r2 F* t
76-008 Service Entrance Equipment1 y- u# |; v( h* `) O4 v) u7 n. M
N 76-006) ^( a1 D+ ~# H7 O9 r
76-014 Branch Circuits% r) y6 d v& L" }, V% U, n; j
N 76-012
4 p! x5 V; y% B6 J* P3 M3 q, F
2 u; _1 V% u" I/ Y+ z- |Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours# ~' t; O$ o7 f- t- P
Marinas and Yacht Clubs
6 }5 X: m, E, L) c: t7 s78-052 Receptacles
: k- b# |' m, B- m) Z' q6 u, a: G78-056 Feeders and Services
; e& L4 L4 T3 u5 C {+ OMarine Wharves, Structures, and Fishing Harbours
8 m1 A. w0 o- P, Q! U2 A78-106 Grounding and Bonding9 A( ^6 O7 i. C) }8 N X
Tables& _# t0 H3 j: w- O: |
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,653 R; o/ l3 L; z) D& o
( M7 f: j8 z( m
Diagrams: 1, 2, 74 K% G' Z r& U' _' C
+ e" ?9 p# ~; f1 _4 |5 L& \Appendix B ?/ @; x! P. p, I. t
P352: Ground fault circuit interrupter- 6mA
# @" X' R; d+ m/ }: RP354: 2-126 FT1, FT4- j! ^9 C m/ Y2 u3 w
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)" d1 z: y0 L7 b
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1): e& X0 d. R! `4 e8 K3 ~
P370: 12-1012, 1118, 1214 Example:- G; J; B; \4 y1 U. p$ D' U* o
P371: 12-1108$ N u; }" J9 ^. J
P381: 18-108(1)(b), 18-158(1)(b)9 z5 P2 j I$ |5 E& t
P386: 24-206( h9 V7 P: r" I8 H% O, m0 A
P389: 26-256
; n8 n) l5 w( `- OP391-P393: Section 28, Example to determine Motor Conductors and Protection
; B4 L% U' b3 F/ W: U8 I
- K( ~* c" L2 |) ]5 C5 yAppendix D, C2 h2 q0 {3 F; W1 ]
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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