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Canadian Electrical Code Review Guide
6 B i8 p" V( t, O0 {* R# z. W( _For the Exam of Electrician For Red Seal License
/ }9 @$ t7 J% z# y7 V
0 }5 R) S2 ~; u6 v9 q( xLesson One
- B8 i9 D* I; \Section 0 DEFINITIONS
, j; d* S* x/ O o8 H' bThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
2 Y2 \9 i0 D0 o$ N9 _Accessible as applied to wiring methods
7 b7 d9 S$ N; N" D8 b5 Q5 d8 uAlive or live
& c$ n+ f) k7 O& t2 Q% @$ Z9 a, FAluminum-sheathed cable8 F3 a, e7 r0 B% b/ \
Ampacity( U1 ?/ ^% S5 C" @
Authorized person
+ w2 X, H( j$ o& FAuxiliary gutter
# |" Z9 i. _& h, k2 EAWG
& h7 `7 O* {- rBonding( K9 G5 T" K' G. P0 r
Cable tray
3 j" P( l g6 t2 g. v9 ~5 B5 tCellular floor
. P0 y" {5 }1 {. C4 M& W8 uBranch circuit
; j8 I% h( x! A; cBus
8 }7 x& Q# j1 O9 u, MBusway( x9 m) |9 f" B0 J' `& V. I
Communication circuit
' a. \$ k& l; ?Extra-low-voltage power circuit0 p1 l. Z5 x: Y" G! i
Low-energy power circuit
]5 ]/ @" g# y' X D( l$ u4 hMulti-wire branch circuit; Z$ S$ ]1 o; \, s4 D
Remote control circuit
! z) B& d3 E% U# e/ aSignal circuit$ d: w* J6 T# O& _' O) r
Circuit breaker2 @/ W2 C7 |' d# f
Instantaneous-trip circuit breaker1 W k v/ [ v" T3 ]4 J# _
Conductor
" m! V) e$ x! IConduit/ F) [- z% X9 E0 Y
Flexible metal conduit
) r2 c( i- ]% ~( `6 q) V# H' o Liquid-tight flexible conduit
8 g+ Z1 n) u! |& [$ c Rigid conduit. b; [# @4 H: v; P
Rigid metal conduit
6 F! o. i9 A4 m+ `, p. S0 { Rigid nonmetallic conduit
5 Z& C, f5 V( [) p2 |' ^! f Rigid PVC conduit
9 @3 ~0 s5 m7 r8 m! Z* W* A% RConnector
- C' m- }5 r2 N6 ` Box connector5 s3 L* R; p* I4 j, Z& b& R
Wire connector5 Z0 Y! l6 ]& O2 T
Controller
! f, e! f, M% ~Disconnecting means
4 A* E0 b0 Y- v0 C* h1 c7 b+ `8 [Dust-tight" _0 S" j% x& L
Dwelling unit3 q% Q3 s' f. M6 J+ ]: K
Electrical contractor
8 p) A7 _3 q" ~# M$ ~# RElectrical metallic tubing
/ H; k2 s2 t+ c9 A8 |4 `- pElectrical nonmetallic tubing* w& ^4 u# ]6 d+ s4 e: |" a" e
Emergency lighting
1 c5 {( v5 J2 z8 W. }! nExplosion-proof$ g G6 G' D/ \2 a k/ A
Extra-low-voltage power circuit9 z5 c' i' E$ g! X
Feeder/ I5 \6 S, N& W$ l' Z1 A* z O
Flexible metal conduit
3 S5 j2 n8 m. K9 o3 tGround& i3 j# ~6 C: `: b$ Y/ Y: A) u7 i
Ground fault circuit interrupter8 d$ r+ w0 [. [; S
Grounded
5 F* Q' P3 O" F. m8 h$ bGrounding
7 P6 g5 d. `8 r1 {1 hGrounding conductor
2 _+ k' j( n" N$ `. B( cGrounding electrode
. i& A/ B1 G; s' vGuarded1 e0 L$ V" M! O8 \. |& [* h5 \
Hoistway0 x9 J9 w1 J. s" f: h
Identified
1 @- c5 Z0 ` ILampholder, _3 D5 Q- \0 x" F! H9 z+ L) h- u
Low-voltage protection
" E0 W8 Q( d* I! v0 c7 Y: {8 Z! q V5 tLow-voltage release% U( J2 r" z+ H! ?7 C
Neutral
0 t, N2 O/ x: h$ hNoncombustible construction
; M# ~6 V0 Y! L8 L8 KOutlet9 r; J6 f0 B( H; s1 D
Outline lighting
9 T( Z) Y0 S$ v$ j9 jOver current device' K$ x# X, e+ D' O
Overload device; @ n {9 n( o+ T9 M. z6 o$ x" R
Panel board
. ~, k- ^7 G3 J4 }Panelboard, enclosed
# n6 [% u% e1 u( y+ T5 DPermanently connected equipment; ]0 I n4 w/ ?. [- J
Permit
( Q* Q1 ^! x9 y! P$ PPlenum
8 D1 S) v& @ F7 s. b" x. HPortable as applied to electrical equipment
1 d1 f' |) z- w( UPortable ground fault circuit interrupter# |. U) C" h+ b$ @3 {, P/ u
Power supply cord
6 E& K/ w5 @8 T3 H) v/ VRaceway
( d6 b7 O7 U9 KReceptacle
! w% I" G, f7 F) `0 B% n n* N Duplex receptacle
0 v. E/ Z, W' z Single receptacle
. A2 m& P* z0 _/ [3 b6 c' C Split receptacle8 u" Q# t2 B4 u2 s
Service, consumer‘s
# f' e: n7 I# R% W4 V6 t* e qService, supply
0 O& B! G# U! V: c$ }Service box
0 P$ w/ ^ Y: F t% j. g& \Service room! L8 N+ |3 B# c" n1 \
Single-dwelling; o# z* t4 g; {$ z* ?$ f' }" r% x
Slow-burning as applied to conductor insulation
9 y! f: P3 r2 D1 fSplitter
3 y% H6 Q* d+ U) V; p3 a) A: u, h" LStarter. p( p2 d2 [1 N8 i: F
Switch: p: w j' Q6 }6 y& `
General-use switch2 ]& ]8 e- C9 x8 |# f0 M
Indicating switch2 Q8 X5 x9 y! K0 J7 f$ \) h
Isolating switch
. h6 H! d, g6 X2 j Motor-circuit switch- \% O4 |" D2 T% `
System
9 B0 [# }% w) s- K- h Communication system. S! y6 F* V& q
Community antenna distribution system(CATV)
* C: n& Z5 W" S, w Grounding system
# W# o% F, E! F$ w" uUnderfloor raceway
- s# X* w' J) ?: H0 @. QVoltage:
. K8 W5 b3 ?. y: }4 r) N+ B5 K; _; ~ Extra-low voltage3 X+ t, }+ I3 W! W' p1 \2 E2 I5 ~/ P
High voltage/ \5 Q4 X' I D1 } M, q: e
Low voltage7 G4 i( d6 L. S2 v) ^. V
Voltage of a circuit
5 k! u: v5 b6 F- AVoltage-to-ground
' T' c* K2 j" `Wireway- `- U8 R% a4 t3 N! Y/ O
0 q* `: i8 o5 h' G |
Section 2 GENERAL RULES1 N; s& U# }. {3 X* i
Administrative
2 u( m3 m8 p+ ^# N! N1 B) m0 n2-018 Reconnection
5 w# U0 Y6 t% a2-030 Deviation or Postponement" _6 p+ m# {, U+ x4 j1 }
Technical General* |2 ~( m% {1 d+ S. A* X6 t
2-106 Circuit Voltage-to-Ground – Dwelling units5 b8 {4 C/ c" X& N+ K6 F; i
2-114 Soldering Fluxes
0 m. y& U2 |5 d v2 f2-116 AWG Sizes of conductors
. ^/ O M/ o3 g! M5 j2-124 Fire spread (see Appendices B and G)% ^% h1 o. [ u3 o1 E/ v# \
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)$ s! V/ \7 n$ Z- X3 t
Protection of Persons and Property
; h) ?( a, \6 e1 Z; H2-202 Guarding of Bare Live Parts
; I; H9 {6 l& Y% w- C( e" {: P- JMaintenance and Operation/ v% ~2 o3 L1 _" @; q
2-304 Disconnection2 C* R% _: u4 s0 o% N% Y/ O& L
2-306 Maintenance of Live Equipment9 ?3 l8 j/ A! C( P( F8 s/ k
N 2-306 Shock and flash protection (see Appendix B)5 c% @& s) b& f/ t& g' m4 d& x1 B
2-308 Working Space About Electrical Equipment: Table-566 h7 s2 A: |0 |2 Y$ L& f; d! g
2-310 Entrance to, and Exit from, Working Space, Y' y+ X: y- p8 G7 }# B5 l3 |
2-320 Drainage1 {+ L9 h3 c0 X1 l( O5 V% U
2-322 Electrical Equipment near combustible Gas Meters and other Devices
0 z# f# N& T6 v1 E/ y( IEnclosures
, N) } j+ \" p. c2 V& d2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
3 W& P2 I' j3 r2 `# L1 z2-404 Marking of Motors: DP, WP, TE
0 D' d& u- A7 N $ O0 F* \4 b5 {0 S
Section 4 Conductors% N2 m6 c8 X% L) o5 J' d) p
4-000 Scope& W1 y0 C' g+ x8 K
4-002 Size of Conductors: 14#, 12#- Z$ d: v- H! k
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36, J5 w; @- o6 y0 z9 w# n, v
4-006 Insulated Conductors: Table 19
. }! g4 `! @* u. d$ _* c% q" V4-010 Uses of Flexible Cord: Table 11
; |8 N7 t# ~- D5 x4 l+ H. I6 v# j4-012 Sizes of Flexible Cord
1 l* g& A" r3 x# R* ~) X0 ]4-014 Ampacity of Flexible Cords: Table 12
' c0 Z: u/ ]( z, Q; W* q4-018 Equipment Wire
: L, y' R, J$ T- n. r4 x4-020 Insulation of Neutral Conductors! K+ Z2 \9 J' c) ?, c
4-022 Size of Neutral conductor" D( K5 C- M. y* ~1 P
4-024 Common Neutral Conductor2 u: q4 ^# v5 x- ]+ Y8 `7 N! z; e
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
- Y2 _( a7 Q! E+ ^2 R0 P4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
3 V9 z8 }& m! ?* ^, S- W. ?9 Z4-032 Identification of Type MI Neutral Conductors
) }& @) r# t0 J$ d" ~* r9 W4-034 Use of Identified Conductors
0 F% l' }+ }' ~7 X' Q. l% z4-036 Colour of Conductors: Phase A, B, C, …3 E4 o+ l5 C3 c6 S2 D) ]- w1 s
( p6 \/ K% t5 h" A0 \3 m. a
Section 6 Services and Service Equipment
/ d9 I5 v7 J$ |- v) i7 tGeneral
# N# [+ |4 {* Q6-102 Number of Supply Services Permitted7 F( d1 e- ]( q+ M& {) M9 w
6-104 Number of Consumer’s Services Permitted in or on a Building2 D9 ^5 g% E6 g* l: W
6-108 Supply Service from an Electric Railway System4 n2 q1 F* ]: L; ^) I Z/ w
6-110 Three-wire Consumer’s Services R; N4 }% T4 L" m* `' E% A* w
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
- C* m) I( o# ]! f6 }+ j6-114 Methods of terminating conductors at consumer’s service
# D* A! V# }0 l0 m" T7 p6 P( \, Z5 w6-116 Consumer’s Service Head Location
# m r+ c* h( LControl and Protective Equipment9 p3 ]. B1 k+ h9 @2 {' k
6-200 Service Equipment' \0 u, f! ~. R& z/ z1 Q* l
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
0 z5 ]: k$ W3 t7 X! n5 `, e, n2 D; E5 z6-208 Consumer’s Service Conductors Location3 R6 f' m' f) |5 J5 i; G
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
8 C1 Y% y/ B K0 T6-212 Wiring Space in Enclosures
; z! B/ ]5 R- W' e" l6-214 Marking of Service Boxes$ C1 V* v C" @3 i: ?" z5 [3 E
Wiring Methods
! |5 {7 S0 r* ?, }3 h: f' L6-300 Underground Consumer’s Services
5 E& ^+ p& V- e/ r( k, z- G6-302 Overhead Consumer’s Service Conductors
9 c. S+ P7 D" C: L6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
+ T9 P: t1 r ~% B3 {4 R) z& a8 M6-306 Consumer’s Service Raceways7 g# b9 D5 ^. O9 j" Q. N) b
6-308 Use of Bare Neutral in Consumer’s Service
a$ Y* R8 C* b8 b6-310 Use of Joints in Consumer’s Service Neutral Conductors! v8 j8 e7 W$ X, O2 t0 r
6-312 Condensation in Consumer’s Service Raceway" a; H! i) h; i! E2 H7 }
Metering Equipment& f* ~/ e6 `6 E5 L* ?( Z3 p$ G
6-400 Metering Equipment
; ]" [+ o% z: |! m, t x6-402 Method of Installing Meter Loops4 l2 n! |2 \& b- `3 j
6-404 Enclosures for Instrument Transformers9 R# B2 k& k5 `$ u# Q
6-408 Location of Meters
# i1 c [9 _* y' m, s3 e9 g6 i( k+ P c N' N: j
Section 8 Circuit Loading and Demand Factors9 I6 Q; L* B- t
General
( b$ D6 F" O f7 w) m- G9 @. [8-100 Current Calculations
, o% x. t+ ~6 {8 c- t1 e8-102 Voltage Drop ( see Appendix D)
7 c* b! D! `& a* e' g: i" |8-104 Maximum Circuit Loading
& z) u* F, d2 v" w$ c# h. q8-108 Number of Branch Circuit Positions" ?1 }) T+ B9 J
8-110 Determination of Areas5 d( m9 J b% U0 A6 W
Services and Feeders
{9 ?1 N9 P2 a! U) E# |6 Q# u6 ]) x# m8-200 Single Dwellings (see Appendix B)
9 M2 y% `/ Z# s" l1 E5 h- _8-202 Apartment and Similar Buildings
% {1 y _$ f6 X/ w$ S2 }8-204 Schools
- i2 B* U6 _, c& ^' Q$ u8-206 Hospitals
- e& `5 v5 \5 m9 O8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
- P, V% q7 R! R8-210 Other Types of Occupancy (Table 14)# j- {) k/ Z% c$ j8 l
8-212 Special Lighting Circuits
+ H. Q9 C/ b- ?7 m+ @2 d4 dBranch Circuits, c, @$ {. J" U7 p0 O
8-300 Branch Circuits Supplying Electric Ranges% U* E, s; D- I
8-302 Connected Loads2 d& l, W$ B7 Z3 r
& Y% U( W: P M( Q |& c6 n4 jSection 10 Grounding and Bonding- n8 ?+ B7 ]5 d4 Q
Scope and Object# v: W1 u5 v% e; A$ x( j
10-002 Object2 ^- H& w$ |8 g
System and Circuit Grounding
# e' h: P, g% C8 d( D, I2 y10-102 Two-Wire Direct-Current Systems
& @0 Q. g$ ~; Z' R" J5 Y8 u( r10-104 Three-Wire Direct-Current Systems
* t1 m/ ~0 h+ b' g10-106 Alternating-Current Systems; H8 c* x; a: ^6 g- O
10-110 Electric Crane Circuits9 m, _6 V% I( ?; ?, _
10-114 Circuits of Less Than 50 V
- B+ K/ Y* W8 A9 I) O10-116 Instrument Transformer Circuits5 f9 \/ q4 w2 }# Q N4 Y# {0 S
Grounding Connections for Systems and Circuits
4 d( @* |- l. {: e6 \10-200 Current Over Grounding and Bonding Conductors
& e' ]3 H I+ [7 m- O3 B3 q" {10-204 Grounding Connections for Alternating-Current Systems; ?" ?( r) I L6 i
10-206 Grounding Connections for Isolated Systems
6 Y& k! |1 P: ]& a7 I8 p+ e: F10-210 Conductor to be Grounded
8 W' ]' E" G3 v/ L# `Conductor Enclosure Bonding& C( X- n: }( x4 m1 x8 b
10-302 Other Conductor Enclosures% F4 ]/ K% V3 `$ l0 G
N 10-304) g% I; L5 I, B9 @3 h P$ d* `" w
Equipment Bonding
# p1 K7 s' x( @2 m+ j10-400 Fixed Equipment, General. M1 _4 t$ D; L9 H2 S
10-402 Fixed Equipment, Specific (3), (4)9 l2 D3 X2 b, V X' _( O v
10-404 In Nonmetallic Wiring Systems
% q n$ J& }% t7 z) `+ U5 J" D10-406 Non-electrical Equipment
% c; S* y5 O; A7 l10-408 Portable Equipment (4)(b)+ Q G h! f: ~, _% }' P- S
10-410 Instrument Transformer Cases1 \, d3 E2 [) o
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
. U9 G" Q, g, p- F3 `10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V$ h6 S& ^9 n; u6 x6 w
Methods of Grounding
) X3 }- f( y: H; |* _10-500 Effective grounding (see Appendix B)
4 |$ G* b+ Q% U0 i' u7 L10-502 Common grounding conductors
% n( U, o/ ?. W! D) U. |2 S4 W+ f10-504 Common grounding electrodes
: @2 M1 x- y! B9 K" M* MBonding Methods
- L6 k! ~+ s g9 M. i10-600 Clean Surfaces, R4 a. J4 F' @+ S- f% ~7 ?0 c
10-604 Bonding at Service Equipment
2 M, K5 R, f. E& F+ @10-606 Means of Assuring Continuity at Service Equipment
6 c9 ]" @& K0 V! Q5 G10-610 Bonding at Other Than Service Equipment( a, h1 ~3 b! Q9 V! k! W- Q
10-612 Loosely Jointed Metal Raceways. E4 V. z: K3 w' I
10-614 Bonding Jumpers Table 41: C7 Z# z w1 I2 a2 M
Grounding Electrodes/ U: v! z3 I. V4 t/ \: I
10-700 Grounding Electrodes/ e+ i3 h+ D7 O x
10-702 Artificial Grounding Electrodes7 x% q/ w! }% F% Y) n
N 10-700 & 10-7028 c: F7 R) B3 ~% ~ p
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)# j& x1 l: |* Z: J2 V
N 10-702
- j. }3 u7 F2 i5 a9 G10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding# d/ L/ p" q6 S2 q/ @' C& `. L& A
N 10-702
% a0 b# h: @+ E% b3 f* k4 q10-710 Use of Lightning Rods (Appendices B and G)9 E! Z4 ?3 y7 V3 l; }7 u+ k5 j6 K
N 10-706( M1 v/ s0 j% z5 g; {
Grounding and Bonding Conductors! @' E' |/ X2 ?# W1 j6 J
10-800 Continuity of Grounding and Bonding Conductors
% y7 g6 c' ]$ W) G% h2 o10-802 Material for System Grounding Conductors8 ]0 Q/ e- A+ n9 Y2 {
10-804 Material for Bonding Conductors/ s1 h9 ]9 Q' T: |
10-806 Installation of System Grounding Conductors' y1 _8 Y+ {% F4 Q( ^ G* m
10-808 Installation of Equipment Bonding Conductors
* R0 Z& ^5 l4 w4 w T3 h10-810 Grounding Conductor Size for DC Circuits
) g8 ^% w, ~, H- J6 o3 {+ L10-812 Grounding Conductor Size for AC Systems (see Appendix B)
3 k! |: P3 X4 q* O7 l, o$ S10-814 Bonding Conductor Size (Appendix B)- {3 ~- p1 [2 e* [/ M
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment( b5 S" ?) p0 ~' k7 e
10-818 Bonding Conductor for Outline Lighting
# o' O, D, J2 J# T1 K" W8 E0 E10-820 Bonding Conductor Size for Instrument Transformers
! L' H. @8 f( `+ L/ |6 _0 dGrounding and Bonding Conductor Connections% ^/ L' A( s3 J) J. }
10-902 Grounding Conduct Connection to Water Pipe Electrodes
5 W W9 v/ B& f4 D* y10-906 Bonding conductor connection to circuits and equipment, E! O/ ~' Z O! J$ [0 U- x' D
10-908 Grounding Conductor Connection to Electrodes9 U9 d+ C. T4 o/ c: N$ I! F8 Z
Lightning Arresters
& K, _% |% H% j, Y% g" a10-1000 Lightning Arresters on Secondary Services – 750V or Less
( C8 a d; N9 k! ~0 [' ?: \# t! s" q o5 ~& i
Section 12 – Wiring Methods0 a- z3 S" [% g& ~1 R0 E
Scope
3 _# N- k1 L) I& A: f& s- z% u& S w12-000 Scope (Appendix B)( \* r2 u2 I: l ]
General Requirement4 i Y6 U$ P7 h# Q# w0 [7 J
12-010 Wiring in Ducts and Plenum Chambers' B+ c: q! S0 V$ Z+ w: r
12-012 Underground Installations (Appendix B)" P; o& D6 E! F2 O/ S3 r: f
12-016 Lightning Rod Conductors
( L* D7 Y9 B- E. g" c) [* ^) {' ?Conductors - General3 L$ h; \8 E+ Z$ G0 f, g) @
12-100 Types of Conductors (Appendix B) Table 19
3 K7 a9 D9 X& p0 {12-102 Thermoplastic-Insulated Conductors
- ~" x8 D4 o9 S+ ^12-104 Flame Tested Coverings
7 q4 n: j; t, I12-106 Multi- and Single- Conductor Cables
) P: [+ I" C% R5 l/ z- Z12-108 Conductors in Parallel (Appendix B)
/ ]6 |+ [2 p% k2 o12-112 Conductor Joints and Splices/ I& b3 ^$ u6 e3 U1 m1 b% U9 v( M" k
12-114 Ends of insulated conductors5 [1 I6 K3 I. ]! J. G. z5 _
12-116 Termination of Conductors (Appendix B)
/ {; F* j ?& l6 Y4 }12-118 Termination and Splicing of Aluminum Conductors; s' l' z. ]; B4 M' b
12-120 Supporting of Conductors - Table 21
2 p( a" X0 P; y: D. M; J6 SOpen Wiring# R( B! y1 ?! g4 E4 ~# q. @* K. y
12-204 Spacing of Conductors
q( `' ?1 h( t T- @; I12-206 Conductor Supports
8 \- p3 G; U( w" U) l. \12-208 Conductors on Flat Surfaces$ W6 p8 \9 B8 [- C+ q
12-212 Protection from Mechanical Injury( }' K3 u3 [( ^( w# G
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
3 r. g+ j- z: c0 O$ b _9 U12-308 Minimum Size of Overhead Conductors
. B. p1 I7 ~, G. t) C5 N. x' S12-318 Use of Neutral Supported Cables) x$ n0 n- v" ~7 t$ n
Nonmetallic Sheathed Cable- I$ v8 K# _- C3 c
12-502 Maximum Voltage
2 b; ^' C: l+ G/ s; P; r/ W12-510 Running of cable between Boxes and Fittings (Appendix G)
' B' V, m( B" o5 c1 A& n12-514 Protection on joists and rafters$ L+ _) I, R/ ]7 W, J
12-516 Protection for Cable in Concealed Installations (Appendix G)% ~- ^# I# ~* c3 G( L& i/ _/ w
12-522 Where Outlet Boxes Are Not Required% F1 n. v! M& p9 R) V0 j
Armoured Cable s0 L7 @7 l& r
12-602 Use (Appendix B)
5 c$ H5 W. \0 z+ _, I12-604 Protection for Armoured Cables in Lanes
! H, t; r, G* K12-606 Use of Thermoplastic Covered Armoured Cable V1 e1 q3 [* Q* @8 r2 p
12-608 Continuity of Armoured Cable; R+ S1 V! Z, G( q$ ` E
12-610 Terminating Armoured Cable, h' d. y; }: ?/ a
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
; k" P0 S* _0 {( O% v" g2 A. Q12-614 Radii of Bends in Armoured Cables
$ o ?% t w; _+ p% C( Y- h12-616 Concealed Armoured Cable Installation3 Y+ A: b+ F+ {. M2 W8 ?
12-618 Running of Cable between Boxes, Etc
/ L6 K) S: y8 rMineral-Insulated and Aluminum-Sheathed Cable
& Y7 R% ]. d9 q3 p8 f' w12-702 Use/ P! ~# Y/ n) h" F+ t- u5 f1 g' R
12-704 Use When Embedded e X2 B' w5 y6 S& }
12-706 Method of Supporting5 S) |! L9 _, X9 @% h# g" @
12-708 Direct Earth Burial7 p* `0 ]: n1 U) M; j6 O: \) o
12-710 Mechanical Protection8 X9 M3 Y* I2 c4 p- c% }
12-712 Radii of Bends. o. k+ `7 ]6 a
12-714 Termination of Mineral-Insulated Cable (Appendix B)
4 p: j' f9 p0 ^6 u" B12-716 Connection to Other Forms of Wiring
' t, y8 s0 [8 F7 YFlat Conductor Cable Type FCC
' j! g2 {# @2 Z4 _9 J7 O12-804 Use Permitted
9 Q. E/ _# }3 x: y$ U12-806 Use Prohibited5 y, M" b/ @! \. D
12-818 Anchoring& E6 f* s1 ^3 K9 q* M$ C
12-820 Crossings
$ A4 o! K8 c( V HRaceways - General
3 J( D3 t# K* d12-904 Conductors in Raceways
, p8 {$ t/ J3 G12-906 Protection of Conductors at Ends of Raceways# v; V/ {9 P) q/ o4 M
12-908 Inserting Conductors in Raceways
# R; z/ H. `0 D% w12-910 Joints or Splices Within Raceways
+ z0 p8 ]4 Z: H9 Z* Y$ t12-912 Stranding of Conductors& w/ x8 U0 }: m, c& c* B/ n$ T' R
12-914 Electrical Continuity of Raceways4 U9 t: O3 L" {5 G0 y* b
12-922 Radii of Bends in Raceways
; Y K/ ]- h! F3 m3 I) [N 12-922 Radii of Bends in Raceways Table 7% u, Y- Z, d0 ]& I7 O
12-932 Protection for Raceways in Lanes
. n/ L- K, N8 O9 A' m. u3 t" g12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
% k8 P; \3 o1 X9 g! P12-938 Capping of Unused Raceways
2 c3 t( k+ N0 J$ _- }$ |12-940 Maximum Number of Bends in Raceways3 ~% l5 R* |6 V1 Q: n
Rigid and Flexible Metal Conduit* A. V4 f% C2 j* c; R7 t
12-1002 Use
/ q2 `; Y) A! _12-1004 Minimum Size of Conduits
4 j3 `: Q% W7 W12-1006 Conduit Threads (Appendix B)
$ }+ \* K2 ?+ z, F12-1008 Thread Engagement
! {8 E7 h1 T4 n: P12-1010 Maximum Spacing of Conduit Supports
# e) a/ K( F' A' ^8 i12-1012 Expansion and Contraction of Conduits (Appendix B) n0 [4 a7 s g/ E: m0 f4 R# B; {
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
& T6 d& q. p! U1 c& o) m. gRigid PVC Conduit and Rigid HFT Conduit
: o: i$ _2 _3 B" G+ Y1 k- G' f12-1100 Use* c- H& x7 R7 P* v
12-1102 Restrictions on Use
* w- ^& f& I0 b# t" C3 A12-1104 Temperature Limitations (Appendix B)
, G9 Z7 M+ n9 j3 `- N12-1108 Field Bends (Appendix B), (2)/ [: P( F0 G5 r) b- e
12-1110 Support of Luminaires4 \0 [6 z/ H) ^. u$ F" I9 G& S
12-1112 Fittings
( G7 u. W, V2 Y" O$ q12-1114 Maximum Spacing of Conduit Supports6 u' x. S: b* |! ]6 }
12-1116 Support of Equipment8 K( _! u( v: o
12-1118 Expansion Joints (Appendix B example)
0 j" f! U& o! S$ ERigid RTRC Conduit6 u( H; @; O* t- @' a$ d
12-1210 Temperature Limitations8 k& o4 F2 g, I5 p9 Q- N" R
12-1214 Expansion Joints (Appendix B)8 {) Z6 A$ D, C; y# |! q
Liquid-Tight Flexible Conduit" {: e& ^- |: L/ i4 ^9 c) n
12-1302 Use of Liquid-Tight Flexible Conduit3 i+ }8 {- O) Q5 R" V4 G) m9 E. y
12-1304 Maximum Number of Conductors- F$ Z# n1 i6 D5 t, U
12-1306 Provisions for Bonding. f) c/ x$ H/ k
Electrical Metallic Tubing4 l" i6 W# S( R( n2 H
12-1402 Use
* l$ m! z/ B& q: y ?1 { z7 _12-1404 Supports5 s1 j4 ^+ w6 |' C' _6 t/ Y: }
12-1406 Minimum Tubing Size& h: c; r# y& s
12-1408 Maximum Number of Conductors3 {# }! ^$ w1 E+ A9 ^* f: X( U0 F
12-1410 Connections and Couplings) J! Z- i3 w, V2 B% _7 {) X8 e
12-1412 Radii of Bends in Tubing
# a9 P. x2 V$ C8 ZN Table 7% I( u5 G5 I% @! |# A% {
Electrical Nonmetallic Tubing. I0 E+ ]7 d$ i2 D& M; n
12-1516 Provision for Bonding Continuity* ^, d# J% q3 T
N 12-1514
. G# j" z8 C& O GSurface Raceways
! K% Z" r7 ]+ ~# b: @12-1602 Use of Surface Raceway (Appendix B); O7 d5 d) a8 H7 C, R
12-1604 Temperature Limitations# a8 Z+ p: {& H2 V& H
12-1606 Conductors in Surface Raceways (Appendix B). f. u% c' e5 R1 o' H
12-1608 Maximum Voltage
; H2 t; \: c! o2 Z' |4 U12-1610 Joints and splices " d2 D. ?' Q) b9 j% Z
Underfloor Raceways
( I8 e8 R2 x+ L; b# |9 X$ G. n12-1712 Discontinued Outlets in Underfloor Raceways; o( }2 U* }8 c* a& e
Cellular Floors& V1 m' S3 W2 _% z" p* U9 L
12-1804 Maximum Conductor Size in Cellular Floor
+ z1 A6 Y9 o/ j! b5 z" u12-1820 Cellular floor discontinued outlets
' C' M$ o1 \. i9 Z( P7 u0 QAuxiliary Gutters- y% ?) k4 U! G
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
/ y/ \1 @& g8 V0 t0 J. H9 N12-1902 Auxiliary Gutter Supports8 v0 N' b2 A7 w7 `3 e
12-1904 Auxiliary Gutter Cross-Sectional Area3 m! @. E7 ~# j0 i5 B
Busways and Splitters' B2 m% M: d* j3 J
12-2004 AC Circuits in Busways and Splitters2 z' y3 w- `: E' k
12-2006 Busway and Splitter Supports C, ~3 p( e2 M! q* A& z. ^' l, @, y
12-2008 Method of Installation of Busways) T& A2 H% Q o/ C* W r# \6 c4 D
12-2012 Reduction in Size of Busways
3 f0 ?1 g# k( B6 _ e12-2014 Length of Busways Used as Branch Circuits
3 Y. E3 l0 h0 Z! b* v# v12-2018 Taps in Splitters& u+ ^4 @+ E8 f+ I; {
Wireways5 y: [2 c. w6 E6 _2 }
12-2104 Conductors in Wireways
4 E3 }% f7 r) h$ a& F; X4 @7 d# x12-2106 Taps and Splices in Wireways
. u ?4 h6 T8 B2 ? I7 l: e2 J+ T( o) w Cable Trays
* X" E( q4 O) p( R! [12-2200 Method of Installation (Appendix B)# r" H# i( ~3 k: u" v
12-2204 Joints and Splices Within Cable Trays
- M9 p0 ~, t& ?# c12-2208 Provisions for Bonding. i; [! @5 w/ }6 p/ I
12-2210 Ampacities of Conductors in Cable Trays& ~! B9 U5 k( ` T# U! O6 S0 G: U
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings+ f4 F) D& ~& I0 t( z, n
12-3000 Maximum Number of Outlets Per Circuit
3 r& C" G5 H1 YN 8-304# j: U! O8 {" {; |* i
12-3002 Outlet Boxes (Appendix B)6 E; `% j v, h
N 12-3000. Y+ B, r7 C4 Q! q- {
12-3004 Outlet Box Covers
. w7 _# y k9 N( bN 12-3002
2 _" Z5 i: i6 q) U+ y12-3010 Boxes in Concrete Construction5 A) p! V6 Q& E/ ~% b
N 12-3008
$ Q6 n* F, W/ \8 x12-3012 Outlet Box Supports
; P* b, \. y( w2 z C% lN 12-3010# _" x8 h* b0 ]5 l# Y, M
12-3016 Accessibility of Junction Boxes+ _9 U# ~; |6 C" \ j) R
N 12-3014+ R5 `/ ?4 R7 t; n" `2 A1 V& J, b
12-3018 Flush Boxes, cabinets, and Fittings
. A( Z) ?5 \* |N 12-30168 f3 C n' O/ c, n
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
3 A. S G7 T5 K) j! Z. R8 w% fN 12-3022( ]3 D4 }1 i4 z v; g1 N) ?# [
12-3036 Maximum Number of conductors in a Box - Table 23
! F1 J) r# |: ~' qN 12-3034
9 x& l% ?+ r7 r& O# b7 v7 o V- T% o12-3038 Pull Box or Junction box Sizes; @7 F8 K8 c" w, u7 U1 Q
N 12-30363 ^+ q6 K$ k- v
3 t. }" [% a7 l) f$ `7 [
Section 14 Protection and Control
( t$ M: _ q* ^" XGeneral Requirement
$ |" a/ m+ P2 H14-010 Protective and Control Devices Required X \: e7 O7 G9 g- O2 K4 X# [) i
14-016 Connection of Devices
7 H4 I2 ^: z) A6 t8 A Protective Devices – General
* f( I' w' u) M' C' o8 s( o3 y 14-100 Overcurrent Devices Required
4 w& Y, x: z# Y* ?) ~- Y14-102 Ground Fault Protection (Appendix B)
3 {' ]/ ?6 v% {- D' u7 o14-104 Rating of Overcurrent Devices (Appendix B) Table 13
; c8 h# X1 H# \# r14-112 Overcurrent Devices in Parallel
# i7 ~. e- M; T) N& q2 X) UFuses
' ?4 G1 W" {1 N; I5 F. ^1 e14-200 Time-Delay and Low-Melting Point Fuses" B( f6 O2 B5 L3 x
14-202 Use of Plug Fuses! V8 A' Q0 q2 e7 x f" y: _% w! ?
14-208 Rating of Fuses2 H4 G* f' c! D8 O
14-212 Use of Fuses (Appendix B)
; ?# }! ^0 I7 n$ J# ~5 a3 FCircuit Breakers
5 S9 y. t* e" M! }6 I: m14-300 Circuit Breakers, General/ A' V0 s. y) J- J
14-306 Tripping Elements for Circuit Breakers
* A. g3 d5 N4 N3 t14-308 Battery Control Power for Circuit Breakers9 L" \- c: ~& a) i
Control Devices - General* V' ~* H5 [" y2 i
14-402 Disconnecting Means Required for Fused Circuits
9 `+ K' `+ f. v7 F. U1 s0 I/ aControl Devices - Switches$ {7 n6 G. ?- N/ U- C
14-502 Mounting of knife Switches9 C* d4 b5 s3 U% J
14-504 Maximum Rating of Switches: U5 O, \( C9 e
14-508 Rating of General-Use AC/DC Switches (Appendix B)
4 ]1 |6 R" y- _ L9 j2 B2 G14-512 Manually Operated General-Use 347V AC Switches (Appendix B)$ K3 L! I# Q9 {* o7 Y% ~4 M/ K
Solid State Devices: Q/ K) T7 m% y% B- Y
14-700 Restriction of Use
6 C1 Q0 L4 Y" u/ L9 U; K14-702 Disconnecting Means Required5 d* V1 l, \( O) x3 |1 R V% J
" B5 J) W1 m/ s W2 f$ ]Section 16 Class 1 and Class 2 Circuits
! E: L3 K+ ]7 }! D5 o2 p* AGeneral
7 _7 K- L, P/ \7 \" F) R16-004 Class 1 Extra-Low-Voltage Power Circuits' [" b) a) D5 }: X) u
16-006 Class 2 Low-Energy Power Circuits ~6 ~6 y. a; @9 H3 `8 R
16-012 Circuits in Communication Cables7 @7 O/ D6 m$ X3 P# i! n
Class 1 Circuits, T% Q$ C& z. {5 J* k4 X( f3 |
16-100 Limitation of Class 1 Circuits
9 c% M/ Z/ U& E- q; m16-104 Overcurrent Protection of Class 1 Circuits
+ ^* h) E+ j ?' W+ m( h6 I, P16-106 Location of Overcurrent Devices in Class 1 Circuits
$ V, [+ i6 M1 W& i1 x) ~16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
$ a, c: {' K" k w5 K* g* M16-110 Conductor Material and Sizes0 x0 r, u* ]% _2 A" w) g$ y
16-112 Insulated Conductors for Class 1 Wiring
( ^; v/ p6 X* C( P4 ]* wClass 2 Circuits8 b9 S+ u5 ~$ m1 l3 N. B, _- e
16-200 Limitations of Class 2 Circuits (Appendix B)
3 y4 x7 s6 M- ?2 y16-204 Marking
" _! P' \4 _* H16-206 Overcurrent Protection for Class 2 Circuits
2 I( G9 O& C; }6 Y2 P8 e16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
: E' d+ R0 C9 H0 `: f0 YELC: extra-low-voltage cable6 H( Q% K1 S- Y( g4 s/ s' z9 O
16-212 Separation of Class 2 Circuit Conductors from Other Circuits: e$ i* U: f* ~1 B
# C' T: s/ ]6 W0 A, v
Section 18 Hazardous Locations; ^6 Y6 Z. e/ N/ u, d+ L& }& c- U
Scope and Introduction
5 x1 ~6 x: P; t0 `% L" W& U& e18-004 Classification
3 y8 @# k( P* w9 Z0 r: ~ e18-006 Division of Class I Locations (Appendices B and J) {3 }9 Y, \5 N
18-008 Division of Class II Locations (Appendix B)* z% g; A" L V* q& B9 E0 ~1 R5 t
18-010 Division of Class III Locations (Appendix B)
5 P0 `8 C, `& F2 l7 {) C. ^* ?General# |# @! g8 I. q8 e8 ^1 C; F h
18-062 Metal-Covered Cable (Appendix B)1 m" \# Y5 C7 h' l. c4 D, c) L
Installations in Class 1, Zone 1 Location
) x( s4 S: [- x* V" w0 t! P9 d4 A18-108 Sealing, Class I, Zone I (Appendix B)& d* e3 n* R7 S" F% a' |0 |
! ~) F4 f! r; K" i2 D0 d* y
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
/ U$ o, J% ^& F8 zGasoline Dispensing and Service Stations$ |8 f4 n2 [+ { s! H
20-002 General
9 k8 D) ]3 j# }20-004 Hazardous Area (Appendix B)- k* e7 H) d# j8 V2 D' W
Propane Dispensing, Container Filling, and Storage; @8 H+ A+ k: c/ T; o2 p% Z
20-034 Hazardous Areas - Table 635 T: b/ `% Z, W0 |* \) k& X' K; f' L
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities9 l( l8 W5 B: r- f S/ c S
20-062 Hazardous Areas/ }4 d1 v4 c/ e# S* q& a
Commercial Garages – Repairs and Storage
# ?" t6 A' h; r6 n' b0 C- y, j8 w20-100 Scope
8 s! `1 p$ |+ U0 t, G5 q% E! ^20-102 Hazardous Areas (1)
* n. l+ W# X" H) d" T8 U/ S
& b/ w' v! p( X E! K! nSection 24 Patient Care Areas
2 q6 O4 w" t6 s# n7 a' K. n$ t24-000 Scope (Appendix B)
3 u0 ^4 ?2 ^' q24-002 Special Terminology (Appendix B) z B. u; H5 C! f# p* ^' y
Patient care area- c$ A! x8 h. [& [
Patient Care Areas$ {) J/ t3 n5 ?% J% X! P8 g
24-106 Receptacles in Basic Care Areas (Appendix B)
x$ r- j3 x, ?+ G5 ]Isolated Systems- c7 g2 A$ m- G" j& C
24-204 Single-Phase Isolated Circuits (Appendix B)6 m) a; o( J1 y+ O! C
24-2066 c! g2 N1 g+ X4 `2 D
: n; `7 z* Z% L8 w. n. qSection 26 Installation of Electrical Equipment
7 N0 J) i7 H! E; v$ A% rGeneral( r$ [% S1 P' `1 j3 u' o. r
26-004 Equipment Over Combustible Surfaces (Appendix B)
5 T: i) n. y4 {26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
2 I1 G3 X' y7 q+ F Isolating Switches
- ?3 C, Y) w* K/ H26-100 Location of Isolating Switches* I+ ~$ z' s$ y, a( M8 ~
Capacitors
6 k2 T; m& a2 {& G' L* \; `7 Y0 q26-204 Guarding of Capacitors
3 y$ F# L( ^: m% @8 H26-206 Grounding of Capacitors
6 n Q( \ e/ _26-208 Conductor Size for Capacitors' M' b! @/ a: J: Z; d6 g& O
26-210 Overcurrent Protection (Appendix B)
& _% X1 _3 D0 M& k l* N2 c& a% u26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits7 u# H# Q2 H! P% i& ?# d1 O) q& U& _
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
# c' B- s0 R: c2 U26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
8 S }2 K$ X/ c) h26-218 Special Provisions for Motor Circuit Capacitors Z+ o0 H# z3 f5 R) \# L
26-222 Drainage of Stored Charge of Capacitors
* `+ |! e- _# V4 M) D9 k+ m' ETransformers
8 v6 [* k+ s) u( ~4 P( D/ j26-240 Transformers, General
/ W# x% U, l; s' O0 m9 V7 m) { Q) `26-242 Outdoor Transformer Installations
! Y4 c, s& ^; ~2 A* ^26-244 Transformers, Mounted on Roofs (Appendix B)
% H# h ~0 n3 H+ I3 e* S% B5 W0 U26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)# N9 ]2 [$ P6 o7 P
26-248 Dry-Core, Open-Ventilated Type Transformers6 T: d$ Z: e, X! e- R* o
26-250 Disconnecting Means for Transformers
0 S! Z. t8 t, `. v( o26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V+ ^, z' j$ K' q% R# r* \% P
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers R* F' ~: A3 j/ \: M" ]
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
/ t% b9 G6 n) ]0 U0 p$ @26-258 Conductor Size for Transformers1 r( A$ m3 U S* a0 A) Z: T0 B
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)0 F, e$ C5 X: n: b# S- m) y
26-262 Marking of Transformers2 }' E, D, h8 N, o2 R
26-264 Auto-Transformers1 Y1 c4 p7 z6 B" ~
Fences5 z+ @0 q. g9 k5 b* o7 U
26-302 Clearance of Equipment - Table 33! _7 J' i/ o/ s9 B/ I
Panelboards
: |6 K4 Y8 R" ~, G3 X( {26-400 Panelboards in Dwelling Units (Appendix B)
3 E( Q* A/ B$ J# K; T6 R26-402 Location of Panelboards (Appendix G)5 E2 I: V2 o) s7 n/ G/ s; J
Lightning Arresters/ u5 i3 [/ b K" v0 {9 k8 G
26-508 Connection of Lightning Arresters
; T- C; a: R6 S. uStorage Batteries$ a3 q% g! s# Z+ Y/ ^! l" [
26-542 Special Terminology
* Y: M' s1 ~* D; M( U26-550 Battery Installation
( Q. S' L" Z* x3 V% i26-552 Wiring to Batteries5 z) k) g3 d, S
Arc Lamps/ ~( \$ M0 p8 b, T2 k0 |" o
26-600 Location of Arc Lamps/ k1 w! o9 w1 c) h) L! Z
26-602 Conductors to Arc Lamps
6 ]1 @# r5 z( }! a4 E5 ]8 D26-608 Globes and Spark Arresters7 U& o+ K! ]1 i% _ {9 E
Receptacles
4 j% I+ N! M% M! G26-700 General (Appendix B)
0 Y' b1 ]4 M a b( M+ g( U" S {26-702 Receptacles Exposed to the Weather+ `, C- Y; J+ q, l
Receptacles in Residential Occupancies' c. ~+ _7 D# S4 o+ q3 `3 S/ e
26-710 General (Appendices B and G)
6 i- T: A* ^5 B, M, H26-712 Receptacles in Dwelling Units (Appendices B and G)
* G( Y9 n) _% {2 N" N F% e# a6 _26-714 Receptacles in Single Dwellings (Appendices B and G)
. X4 s7 H- H/ }Branch Circuits in Residential Occupancies
0 N* j* a& \. g7 Q' p0 ~26-720 General2 l" [1 H# d% K& Y9 |* c, Q
26-722 Branch Circuits in Dwelling Units/ \5 g7 }9 {& p
26-724 Branch Circuits in Single Dwellings
" Z- {* z8 O% q$ R$ W; Z26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
' c" t Q8 Z; a- R" Q: |4 UN 26-720 (F)( q- B1 I' W/ T" s
Electric Heating and Cooking Appliances
. [ Q' H& O1 M: z5 h$ M26-744 Supply connections for Appliances, R1 m! T2 g( U
26-750 Installation of Storage-Tank Water Heaters; [* D8 M# P1 H& b4 i
26-752 Infrared Drying Lamps. a1 r7 i' E6 L9 q9 k
0 A. L9 D: z) b
Section 28 Motors and Generators
! Z- N" N" Q( TGeneral( F9 P* i/ c* Z& @: W/ ]7 _
28-010 Special Terminology) U1 r4 [- J" h! [: Q. s
Hermetic refrigerant motor compressor
( z) s. t0 G4 gLocked rotor current rating9 [0 {- N9 ~6 d E d
Service Factor
$ `' s5 p6 Q+ W6 }4 bTable 44; Table 45; Table-D2* U& L! n. Y* A1 W8 S7 [
Wiring Methods and Conductors( Y/ F8 u. Y- h8 K* C% ?. j
28-102 Portable Motors
# W6 a; j; C$ O1 R# r1 r" ~( z5 W28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
: s, x% b1 I# K9 {+ F5 Y% I28-106 Conductors, Individual Motors
! I: }+ s- ?; _# g* I28-108 Conductors, Two or More Motors5 O/ j; f' }1 k! B% ]
28-110 Feeder Conductors
. h' P; g$ {: e3 E# G3 z! Q28-112 Secondary Conductors R; M3 k5 n B0 {3 K1 p' I
Overcurrent Protection$ p# b" `3 Z3 c4 [( }, n; Z. _
28-200 Branch Circuit Overcurrent Protection
( D% a3 }9 p/ S( ~3 @/ F1 b28-204 Feeder Overcurrent Protection$ g/ |, B) m0 j& O' h% G: Z
28-206 Grouping of Motors on a Single Branch Circuit
- \' o2 |) a1 y5 H5 K28-210 Instantaneous-Trip Circuit Breakers (Appendix B)% @( |6 H$ ]% U2 H
Overload and Overheating Protection$ y) S( b& @6 b% q4 Y% j# l
28-302 Types of Overload Protection( N7 }$ K4 q* ^5 k
28-304 Number and Location of Overload Devices (Appendix B) Table 250 N* `/ v+ `0 k2 D
28-306 Rating or Trip Selection of Overload Devices (Appendix B)9 X& Z6 w( h0 ]1 Z% s
28-308 Overload Protection Not Required2 d! _0 c* @( k( W; y
Undervoltage Protection 6 C# x0 o3 M- N# @. O8 g6 L" P
28-400 Undervoltage Protection Required for Motors (Appendix B) y8 f* W% V# v/ G! _
Control
% v# U+ w( U2 w! U' q28-500 Control Required
2 m7 S: J& r; ]/ n7 _28-502 Control Location. W! E6 V% X j- ~0 f6 ~0 P! M
28-504 Starters Having Different Starting and Running Position' F! b Z" r# q% Q) A
28-506 Grounded Control Circuit# @7 o5 W8 X: d9 V
Disconnecting Means
4 I- q `) |; W z28-600 Disconnecting Means Required1 n& M9 Z, ` @
28-602 Types and Ratings of disconnecting Means (Appendix B)3 n" x6 e- w$ `: ]* j
28-604 Location of Disconnecting Means |4 P d3 p' y, ~
Hermetic Refrigerant Motor-Compressors3 k2 V* b5 D; ~/ W! s7 x/ `. }0 S
28-706 Conductor Ampacity, H$ i% D3 ]+ y1 `5 x
28-708 Overcurrent Protection) K* C0 m2 H0 T. Y& k# |9 u
28-714 Disconnecting Means
4 N9 s$ R! J, l) G" g& H( tProtection and Control of Generators3 X: c! G/ [5 P, e% O( O8 g
28-900 Disconnecting Means Required for Generators4 M* e9 X5 O2 U4 I! o
28-902 Protection of Constant-Voltage Generators r' a1 @( n! m/ [, o. g
28-904 Generator Not Driven by Electricity
" v$ m3 \; u4 |" Z' p* ~' c28-906 Balancer sets# [+ c4 R* Y/ Z, ?4 b- W& V
28-908 Three-Wire Direct-Current Generators l& F) o% x& [2 w& s& C9 K& \9 Q
# J: ^* b$ b5 j: J2 m6 U' J4 W
Section 30 Installation of Lighting Equipment! p3 R; k( ]+ p; x: I: h, k! z
30-002 Special Terminology (Appendix B)
# X K" w; J9 w- TGeneral) ]' |5 P& U; p* G3 g1 |) F; ~
30-102 Voltage# `& \3 P8 v; o+ v
30-104 Protection (Appendix B)
/ \2 {0 X: M. I# Z8 E30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment6 c. [; {2 j" h m8 K
30-108 Polarization of Luminaires2 h: K7 a( G# }, @2 n. T+ T4 ]
30-110 Bonding of Lighting Equipment4 M5 z+ n4 f0 R3 d& f& }; X
Location of Lighting Equipment
$ [0 p5 ]( w9 H5 _8 h2 I30-200 Near or Over Combustible Material
* H8 ^) x+ ?: n! U; t30-202 In Show Windows
6 u" T4 }* a0 w7 J' V30-204 In Clothes Closets
b# M7 ?* C+ K0 GInstallation of Lighting Equipment
/ T) K4 |: v: O- a. b+ x0 p30-302 Support
& [! c2 | I. T' g: ^ I# w; Q2 ^' g, j5 H30-304 Outlet Boxes to be Covered! r+ B; P* n+ V! N
30-308 Circuit Connections
+ ]/ u9 @% k4 W; [! }* M8 m30-310 Luminaire as a Raceway0 L9 W. s% R2 K. D" H; S/ P
30-314 Minimum Height of Low Luminaires0 K* X5 ~: y+ K/ |5 x7 q% d. O
30-316 Luminaires Exposed to Flying Objects- u( I: v0 R0 K
30-320 Luminaires in Damp or Wet Locations
$ B9 R. U C) K- Y1 p" w& pN 30-318
5 l* b- [7 [6 rWiring of Lighting Equipment1 l/ O, J( O7 ~- B, d5 R& H+ d
30-400 Wiring of Luminaires, ~+ I5 b% q1 Y' r9 B/ [7 f
30-402 Colour Coding
6 F. [$ }7 T7 l: G6 O2 n5 s0 n! e30-404 Conductor Insulation# ]( ?% ]1 ]2 a
30-406 Conductors on Movable Parts& t# b+ {( V! j8 Q& a$ I* B$ w
30-408 Wiring of Ceiling Outlet Boxes9 k/ ~4 e( g( I5 N
30-410 Wiring of Show Window Luminaires
& {! y7 o$ |+ k) a1 }2 `30-412 Tap Connection Conductors
2 ~, I9 d+ B1 E1 V9 v ], ? JLuminaires in buildings of Residential Occupancy
9 y' }; j# M! a30-500 Lighting Equipment at Entrances (Appendix G)! w' I) z4 O1 F- f0 i+ a
30-502 Luminaires in Dwelling Units (Appendix G)
' I' Q$ G& o" b: f0 F30-504 Stairways (Appendix G): L7 ?( f6 b% B7 u2 r4 B* l6 Q
30-506 Basements (Appendix G)
1 Z" o2 Q) `4 T' Y6 e30-508 Storage Rooms (Appendix G)
% ]8 P$ F7 V" i- l& u30-510 Garages and Carports (Appendix G)
/ |, o7 K: R8 w5 U+ l3 `1 uLampholders; X* j% W+ ~6 a- z: S
30-600 Lampholder rating with Incandescent Lamps5 L( t: u" t( h' X$ l* Z: {: B
N CANCEL' r/ Q3 X6 r6 e+ a, z" x& Q
30-602 Connections to Lampholders
& e8 b- l( }! q) R4 w& N. SN 30-600
. g% Q+ @' S- s1 y30-604 Switched Lampholders Used on Unidentified Circuits
+ J2 V) n: S* M8 V4 tN 30-602
/ H8 c& \! [$ C30-606 Switched Lampholders with Pull-Type Mechanisms
8 [+ G6 F" u) F! zN 30-6043 C. J/ q6 o0 w1 D
30-610 Pendant Lampholders
+ n+ a U! R# A2 V( ?# yN 30-6080 S7 ^% T+ B, H' J% s* R, F
Electric-Discharge Lighting Systems Operating at 1000V or Less' K$ I: O4 U8 N2 q
30-710 Control (Appendix B). E0 B. G* P4 o: r) h# d7 ]
30-712 Branch Circuit Capacity
( I, V& G+ \+ ]$ }! XElectric-Discharge Lighting Systems Operating at More Than 1000V1 y ]/ V8 i3 S, Q: s% k) b. D
30-802 Voltages, Dwelling Units) D$ R) }) S% [& Y
30-804 control (Appendix B)
6 n" g6 C) B7 d! W' e dRecessed Luminaires (Appendix G)* u. B- ?( N% I/ W$ {0 R
30-902 Spacings for Non-IC Type Luminaires* g9 D5 J1 X& _
30-910 Wiring of Recessed Luminaires (Appendix B)/ Q/ e8 \/ q7 ^2 ~7 I* _
Exposed Wiring for Permanent Outdoor Lighting
5 _2 P& l9 n, G! X0 o" c30-1120 Branch Circuit Loading and Protection
! d/ B2 @* T9 @( V l n7 Y3 l; _Extra-Low-Voltage Lighting Systems0 L: V% u% S7 z, |' `
30-1202 Sources of Supply* q: C' [% ~; ?) M' f8 w* s
7 `2 X% w; F6 X4 {6 f9 Q7 u+ XSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
+ v2 p7 V5 e4 j. v$ s% cFire Alarm Systems
! | L# S1 k5 G0 `1 B32-100 Conductors+ o9 N. F( m" }' e: [$ {( k8 a' n
32-102 Wiring Method
1 y5 }. N9 R) Y. ]% y32-104 Equipment Bonding! k5 ]5 ~3 M- x+ F, w, U& [ B
32-106 Electrical Supervision! L. z5 H# m) A8 Z* ]3 s: Y/ ~
32-108 Current Supply
! m3 M t; S& R32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
- V1 ]4 [6 g Q3 lFire Pumps: @5 i. Z+ D9 _' Y9 ~9 A
32-208 Overcurrent Protection (Appendix B)) @$ N- V' u* w6 ?
N 32-206
' m& Q0 A. b% m3 w6 ~" O; U32-210 Overload and Overheating Protection (Appendix B)
2 U2 l( ]) A% ^- X0 x2 V( i32-212 Ground Fault Circuit Interrupter (Appendix B)
' O) x/ C, x. H# ~- }$ A% X) T4 c+ p @4 Q( P
Section 36 High-Voltage Installations# Z6 b! g1 T$ @; k1 I, @
General
2 I2 U: |8 K( G9 K3 @6 I5 M36-000 Scope (Appendix B)
% @) r. s3 U5 a; H0 j36-006 Warning Notices
. T/ b& P9 v& C6 x0 d. rWiring Methods2 Z# x6 A3 X m- B# C/ h) \
36-102 Radii of Bends
6 w3 e% T, A {2 ~8 t2 X' o36-104 Shielding of thermoset insulated conductors5 R3 S5 b2 R1 O- v% h, |7 Y3 V: J
36-108 Spacing of Exposed Conductors (1) table 30, table 31' `8 E2 l6 e* _( |- ?( D# d5 w
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34; Y7 t" [% S; h l( u, l4 z: O
Control and Protective Equipment
) P3 i1 c& G4 a: Z36-214 Disconnecting Means
3 [* T2 q( y/ g8 n: c# m Grounding and Bonding: C$ K/ `+ D( s2 h
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
1 q% W$ c8 N! z! @# T& f8 A( w36-302 Station Ground Electrode (Appendix B)1 o5 w M. c- r; e& h+ k8 p$ ^. r
36-304 Station Ground Resistance (Appendix B)
3 c0 k$ c2 z% t1 M! ~6 \% ?36-308 Connections to the Station Ground Electrode (Appendix B)
' f, e0 E6 }' I; K( p36-310 Gang-Operated Switch Handle Grounds
4 U) I0 i/ ]: w' t& v5 R4 N36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
8 V; _. L1 R |1 R
9 s0 B+ D: o+ |: L$ {/ \& cSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
r& R* Y9 ^# G9 F+ d8 v38-002 Special Terminology (Appendix B)
8 T: |' S5 j" \, w' O! X0 a0 N' Z38-003 Voltage Limitations (Appendix B)
/ r8 {$ @1 l$ L. I7 k" y38-004 Live Parts Enclosed0 M" u! T" m# r1 t, ~( O
38-005 Working Clearances- ?) a# ?/ O: g8 z5 ~
38-011 Insulation and Types of Conductors
) E- z- v. [! W) K+ X5 `, G38-012 Minimum Size of Conductors! X; v; c8 {% }) H4 o
* m5 N) Q. z9 {& }! ^& P- @' p* ^
Section 40 Electric Cranes and Hoists: j' a. I, {1 l* ]
40-008 Disconnecting Means
5 r( T x, x( D6 A' n40-010 Main Contact Conductors
2 s8 M" B+ `& B- t4 s, x5 H; l$ v8 _
Section 42 Electric Welders
9 }5 ]7 |# v9 a: w! iTransformer Arc Welders
0 X7 \- X1 Q5 d7 `1 ]/ s& E/ S42-006 Supply Conductors6 l4 |; ?! ^$ f: z( z4 X
1 b# Y4 p5 ^# D' S* XSection 44: Theatre Installations- U/ x0 c f8 h6 ^+ E- e
General/ l% O: Y( ~ f3 f& g5 b
44-104 Number of Conductors in Raceways- B5 j2 u3 [3 g, P
44-106 Aisle Lights in Moving Picture Theatres
! V3 w$ g' |8 l4 \% N. ]Fixed Stage Switchboards% }% q: L1 O2 ?. N' |" b7 K
44-210 Overcurrent Protection
3 [! [' v8 b5 T9 {1 n; uFixed Stage Equipment
: ^; @4 c9 v- [) ^44-324 Receptacles in Gallery Pockets
9 P8 K3 H+ z* \& Z& ~44-326 Receptacles and Plugs
7 r5 p Q+ s B5 C- S U, i+ D1 } W/ @, v0 G+ ~
Section 46 Emergency Systems, Unit Equipment, and Exit Signs: J1 u& q5 L# J, n4 c0 i
General
; ^% q; H( k9 i1 A* Q4 p, |46-102 Instructions5 ]7 e: D$ |+ H
46-108 Method of Wiring (Appendices B and G)
, ^$ _/ L! b i# a* d: UEmergency Systems
5 |! G3 l: B) x- l/ c( {46-202 Supply (Appendix G)
8 K6 b6 `' \8 T- [% z# Q46-204 Control M \$ _* r9 V. I* E
46-206 Overcurrent Protection
4 }2 T) \3 K* }- R0 N, G+ `9 h46-210 Remote Lamps
, F8 S6 _. _ RUnit Equipment
- i1 [4 B9 _2 [+ G6 q46-304 Supply Connections
8 j7 w# y; G3 B( O; W* C: o46-306 Remote Lamps (Appendix B)% M$ D& n8 v$ b: Y, k
Exit Signs
; J; T" V, I" O9 z& }46-400 Exit Signs (Appendix B and G)
) G# `1 V6 a* O' Q' g2 H1 J- R
) Z- Q) T0 O: T: B/ NSection 54 Community Antenna Distribution and Radio and Television Installations" v+ s/ \! e% B+ ~9 }
54-000 Scope6 c. M/ @# h7 v5 Z3 j6 C- Y9 Y1 e
54-004 Community Antenna Distribution (Appendix B)% R# I k1 W( `5 b" }" t5 {& b
Community Antenna distribution
: G/ s$ y* a( j# F& Q% x54-100 Conductors
; c. l+ D, Y. t( ~1 ^* n" O54-102 Voltage and Current Limitations (Appendix B)
: j Q3 m* g; o, P! QProtection# a* O3 x' P7 f6 r P
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)5 m: b. T9 p! k0 s$ F1 U
Grounding% b* Z8 j2 k2 O$ }! K0 l* y6 G" {
54-300 Grounding Conductor
& I: s% y! N% R. F( M! x/ R1 s6 G; @) OConductors Within Buildings
, q$ U% ^% P2 [7 X. H54-400 Separation from Other Conductors
( h% ?3 k) n' F0 OEquipment
0 p" p' f4 V! ~- ~/ C54-500 Community Antenna Distribution Amplifiers and Other Power Sources) K8 i7 ^0 e4 Q0 ~0 F4 H7 k, u
54-502 Exposed Equipment and Terminations
, j, M8 C$ J- r- A3 x
4 d& b. }' K& _8 c' p: ]Section 56 Optical Fiber Cables
" U" q7 s4 N- z6 R' cGeneral
H2 o1 G' j. R3 h3 K) t56-100 Special Terminology. _7 J- i7 D2 l0 S- U5 U ?7 \
56-102 Types
1 J+ j# m: r+ b P pInstallation Methods: ~/ {. W- [8 u+ A1 b5 m, `
56-200 Nonconductive Optical Fiber Cables (Appendix B)/ H/ g7 A5 r6 k/ C |% w" _4 g
56-202 Conductive Optical Fiber Cables (Appendix B)9 Y$ J7 I& l9 T
56-204 Hybrid Cables9 m& B5 p5 s' F1 I, N7 \2 K0 Z d
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
: F2 P! M& j# j- p. Z3 m2 I5 }) x
Section 60 Electrical Communication Systems
+ f% ^' k9 T0 @" k* v1 }$ @General, S p- H0 L8 m! w+ m
60-100 Special Terminology
9 k3 I3 h( l; O8 g$ OProtection8 N$ h5 _# A7 [' F- ^, Z" u( n: f6 v
60-202 Primary Protector Requirements
1 [( s: n2 ^: [$ q0 A: ~" fInside Conductors
3 S* s( s2 p/ D6 n2 k60-308 Separation from Other Conductors3 j3 O* V% }: _* M! _1 e/ r
Equipment4 q2 Q, U3 t: k* B$ V; a3 P
60-404 Exposed Equipment and Terminations2 A' S' q' v* ^" c2 _/ r2 q1 U" E
Underground Circuits
' F. N6 m% {% i- \: l60-600 Direct Buried Systems
, B, w$ C0 m/ G' b3 R! T* a1 E- I3 {& L5 D/ |
Section 62 Fixed Electric Space and Surface Heating Systems
; M" A4 V) z8 f2 G: sGeneral
4 S* Y2 q; P) {62-102 Special Terminology
5 w z* b, N8 w' F, d62-108 Branch Circuits
/ [5 T" `% d* d, x/ ~: v% B' u" ~62-110 Installation of Fixtures1 G# K5 N5 [' k* x+ o
62-114 Overcurrent Protection and Grouping (Appendix B) (5)5 |2 R; g8 y* l$ p z( P
62-116 Demand Factors for Service Conductors and Feeders (2)
$ J9 b2 g' O: E. B62-118 Temperature Control Devices
( O8 |- b) } z3 |62-122 Installation of Series Heating Cable Sets (4)(7): U% D1 F+ t: ^% k9 `: i/ h- K
Electric Space Heating Systems
- S0 ]) ~" h) m) K! A62-202 Temperature Control, p+ l$ x8 ~1 l" @. y1 _' G
62-206 Proximity of Other Wiring (Appendix B)+ h" m3 O- A4 M- y
62-214 Installation of Heating Panels and Heating Panel Sets$ M- b5 D) F; E% Z* k# [
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings; G( h" {/ y! n& ]$ ]* A8 ?
62-226 Installation of Under-Floor Covering Heating Panel Sets3 D `" F( N# @' J6 D
Electric Surface Heating Systems0 l, A: T9 k. M) f8 W8 A: [! u
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
& W9 s+ Y( G; j) F1 M. D( E; m2 o! h* ]+ a' u
Section 68 Pools, Tubs, and Spas0 f" {6 T8 t2 T( f! r% a3 Q
General
' ?: h5 h& x5 p @68-050 Special Terminology. @/ A( _2 E, P, M( @, y" ]
68-056 Underground Wiring - Table 61- J; F M9 b8 V! b' H
68-058 Bonding to Ground (Appendix B)% J7 R' m8 J$ d0 I) I7 ^
68-060 Junction and Deck Boxes (Appendix B)
. ?+ l u* q! G$ E- N T68-064 Receptacles0 I7 t' ^ ~- q/ A; y% V* _
68-066 Luminaires and Lighting Equipment
* {$ E6 X/ A% Z68-068 Ground Fault Circuit Interrupters (Appendix B). z, F; J2 H0 I+ T3 U6 \, ^
1 {3 |% V& C p( n4 RSection 70 — Electrical requirements for factory-built relocatable structures and
1 ~" R4 h+ R# J5 f5 E3 H. vnon-relocatable structures) m& E, F! f; a9 J3 B- O) W
70-130 Tests (see Appendix B)/ b2 C) J+ r3 _$ o2 I7 g" d
! h: ]6 U* o, I! iSection 76 Temporary Wiring (Appendix G)6 U U) q* j0 Z. Q; m( b: j" F; ^
76-004 Grounding7 V. b/ F: E& w- T& G
76-008 Service Entrance Equipment
4 f. h( G9 e7 B+ ~9 Z7 ]% h4 sN 76-006
! i' G- {; X1 x' D: [# s' B1 X8 u! e76-014 Branch Circuits3 V |: u+ Z; _/ V6 n9 t$ ]# n* ?( f
N 76-012$ @4 \9 I+ p9 H# {# H: }
/ o' g, K4 j4 G$ @+ x7 t RSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours5 I! A4 S: g. @: q
Marinas and Yacht Clubs
+ ~# x8 A6 g6 v6 |/ ~% Y) v78-052 Receptacles
% g$ S' w3 Y% Y4 F+ N( M& U- L) z78-056 Feeders and Services% n2 e3 ~, @/ z/ U; T* M
Marine Wharves, Structures, and Fishing Harbours
9 K+ W+ b& }# `" ?78-106 Grounding and Bonding- p. `: W, d+ I: S3 F" _& o' X3 F" ?
Tables
0 y" L% @' ^/ T9 C8 y8 U1,2,3,4,5A,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$ w* n4 t4 h$ a: }' H
; p, X, n5 P# |
Diagrams: 1, 2, 7
8 h' B) m& f/ \1 Z) z2 d7 g7 A+ g4 W0 J" B0 ~
Appendix B* }6 J8 p i/ u% }: [3 n# V; c
P352: Ground fault circuit interrupter- 6mA
: Z2 k7 \ s, V% Q5 c9 u9 u1 sP354: 2-126 FT1, FT4
7 G* Y4 w6 _ D, t; qP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
6 R7 g; J3 ~. p( rP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
4 ]# T" g8 S3 q5 g( B% ]6 BP370: 12-1012, 1118, 1214 Example:
. _$ w- S) h" i3 ]/ G/ K' ]8 KP371: 12-1108
* e+ P0 b/ T9 G2 y" C5 V7 `7 NP381: 18-108(1)(b), 18-158(1)(b). w) b9 W1 ? ?' ~& R. y
P386: 24-2066 l; M% T% R& l
P389: 26-256
5 w3 Q3 u* u* [0 H& H# t) e, n7 M, |P391-P393: Section 28, Example to determine Motor Conductors and Protection/ m5 d0 D- X' |
( j5 f% ?5 x( }Appendix D; o# j( T: p8 \ Q5 T
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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