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Canadian Electrical Code Review Guide
; P) y: n* o( D% i( FFor the Exam of Electrician For Red Seal License
* L$ ^# {- X% Q$ M1 T$ J
1 y; z. p- }* K. {Lesson One
& E3 [. n/ ]1 |* Q/ G- q% USection 0 DEFINITIONS
) \2 ^5 v$ x( v( x9 {This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:: ` ` }4 G- v0 R: O Y9 R! ^
Accessible as applied to wiring methods
2 S- H7 b' d6 |Alive or live
; {( O! r" ^; K; \8 [6 u3 Z' uAluminum-sheathed cable
8 [3 M: L' V2 ~Ampacity1 _/ o; ~1 ^* M& k) g8 v
Authorized person
Z/ W! T% \/ s- D. m6 P% |: `Auxiliary gutter
" o" f, S+ b( [' BAWG
# R6 j6 `, g, v K( }) tBonding1 Y& b9 w! r+ f! l, q0 T/ T
Cable tray
# v- J4 p) x0 |1 O, j" xCellular floor& i8 W+ b" Q% \) m7 t
Branch circuit. _: B ?" V$ {) ^
Bus( [2 f: F3 I: m% g5 ]4 z
Busway
" d6 i0 l$ r- b, HCommunication circuit
; J% M2 [7 ~! g R1 a& CExtra-low-voltage power circuit' e5 e9 j! Y, R0 n. B% V
Low-energy power circuit
* V( T& B: l, i4 q( e1 JMulti-wire branch circuit& e; C x" |. g# Y
Remote control circuit
0 Z3 L0 \6 L: t3 k0 A- v* E$ VSignal circuit
* b2 p* `' H4 v5 ^; TCircuit breaker
6 c6 A/ I4 ^1 M' |9 n) cInstantaneous-trip circuit breaker- f( C$ p4 q" u. g3 E( k
Conductor
$ F# k9 H8 f, fConduit0 l4 J: s1 \# e
Flexible metal conduit
3 `7 j) E/ g: J Liquid-tight flexible conduit
/ E$ L& O8 O/ }% w* Y; w- G Rigid conduit& R. _/ V! v& K( U; s
Rigid metal conduit8 M. l. G E$ n! i2 I4 G
Rigid nonmetallic conduit
. t9 d& x, W% T1 e% |% Y) w Rigid PVC conduit
# x3 Z7 C N* D+ f" _. t) S- x6 u6 QConnector
/ g( N, e( m$ J; [ Box connector
+ a( ^9 u# F6 d; J& ^" g4 X5 r Wire connector6 o `: Q% F1 c0 C$ G
Controller( z' {9 j$ q* @3 d
Disconnecting means' L$ {' ~. q. Y# c1 g4 ^/ z
Dust-tight" _9 j* x; u3 h- g0 k5 S( Z/ q
Dwelling unit
6 v: W: U& v! ?6 {% u. hElectrical contractor
j* n5 L/ p" W: \Electrical metallic tubing9 K3 J8 q" e6 D# f
Electrical nonmetallic tubing D- \$ ^( Z$ }$ S2 C
Emergency lighting3 J5 a; e3 ~; ~9 W: O0 q, F
Explosion-proof
; w+ |& b' Z: _: iExtra-low-voltage power circuit
9 A, f, ^* s3 ?* g/ a. d' nFeeder& X) @5 m% W) \5 X$ ^; o: I
Flexible metal conduit) Z# w4 E3 P4 s0 t; P# ?- E0 M4 O
Ground
' e$ E. d1 D2 fGround fault circuit interrupter
; \* t4 P2 }, `$ s- x+ o4 z5 PGrounded
/ L( q; Q$ n9 K0 F, q% o7 gGrounding$ Y- L8 c" B/ G* E, {
Grounding conductor
( J+ B( x; s3 @$ iGrounding electrode
4 F, h/ x# x, H, \- tGuarded* E' G( ]# J7 c* E
Hoistway; q' @, `$ c$ n
Identified: U% N9 y' \ a+ w3 ?2 \+ h
Lampholder
. H, X" R( e4 sLow-voltage protection! @& `% j! N: q
Low-voltage release
! v6 `; i5 E- U; q5 I) yNeutral- I2 y$ h& B' _& a) f% G
Noncombustible construction4 E$ A8 O. @3 A, c
Outlet% J ^! `) Z3 @3 n
Outline lighting; j# C2 J' ^1 O' T
Over current device% t) H& x" b6 T) A: J
Overload device( ^$ ^7 W& d$ [1 J
Panel board
# _' O; N: t2 k4 r/ ePanelboard, enclosed
6 r# F. P3 A1 V2 t9 z0 oPermanently connected equipment
2 y- Z, e$ l& v) Z% ^% VPermit
6 T7 \* V; E( a6 r oPlenum
# J$ u5 a9 e& s7 i* rPortable as applied to electrical equipment! v m" r( m# ?& ` ]8 v2 J
Portable ground fault circuit interrupter& }8 u6 c6 z1 ?7 `' B
Power supply cord4 p( e: E6 D- e; W, O+ T
Raceway
4 H7 C* R; x" H2 FReceptacle4 w/ b7 F4 B4 s! Q. n. a$ u: O) E
Duplex receptacle" \( ~+ S8 C$ j
Single receptacle0 j8 W: l0 G& p8 F. A
Split receptacle' d- R1 g( R6 |% l2 N/ M7 r4 h0 r
Service, consumer‘s6 H' \) Y- B* Q' ?
Service, supply# |+ O0 I) j3 l
Service box& E- d4 O# n+ P8 u
Service room
) H, P0 L+ f0 B6 m0 c$ \Single-dwelling/ W/ ?* ~- e: ~7 I9 Q9 i$ N
Slow-burning as applied to conductor insulation
1 \) }. r: d8 w: BSplitter: K/ A! q# C; b( m" X- \
Starter' d a- n$ H" e$ g) p" v0 C
Switch
. P5 K$ r6 V6 q2 S/ l; P General-use switch
/ p: y- W- C, H9 u2 l1 f% k Indicating switch: B, I" E. z6 H, y
Isolating switch2 X" s. v9 p1 ~' j4 }9 K9 ]
Motor-circuit switch
4 {" @7 |: j: L. | ~2 NSystem
4 A) n7 f0 D& }2 s$ p/ J9 ~# }6 G) a Communication system9 l$ H. Q, s9 } _- K# [. ]
Community antenna distribution system(CATV)
$ ?2 R m3 R) v% D9 k9 a Grounding system" Q Z5 J y3 p% t( O% O* H+ x+ c; b
Underfloor raceway
8 O- B: `( K/ n+ _Voltage:
3 e/ p* G- b/ J- d4 j. s. F Extra-low voltage1 w" P) ^+ W- [/ p) c
High voltage3 p+ M1 n6 r- L
Low voltage
/ a6 u6 i% `' H- b6 J; ?/ N) f% XVoltage of a circuit4 r2 g2 i K Q$ S: g6 G
Voltage-to-ground
, U, _( Q5 N) t) GWireway
6 U) ?# D1 i& b* B' ~0 ]& M c% u/ X. Z8 B4 u
Section 2 GENERAL RULES4 w! J9 V/ c1 w' q
Administrative9 J6 [; N# g( b
2-018 Reconnection6 ?. @* o, l0 [; W3 L5 R& b
2-030 Deviation or Postponement
5 r" l/ B' F+ D6 ~+ `Technical General
6 n$ V5 Z3 m* m, s: {2 G7 k2-106 Circuit Voltage-to-Ground – Dwelling units
/ w" J, s/ e& q2 c7 @+ D2-114 Soldering Fluxes3 I4 G- K, r0 f
2-116 AWG Sizes of conductors
. z$ U0 N) A7 _- \1 T' X' R2-124 Fire spread (see Appendices B and G)
0 R( R3 G: l' r/ D5 |2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
% e; q" P( L% x3 ~, ]/ lProtection of Persons and Property
: _) i: i8 }) t l( y) C% u! x( K2-202 Guarding of Bare Live Parts) K9 _# I! s$ D+ o# J* U8 }
Maintenance and Operation/ j0 T+ d; g5 z! D* w( J u3 w8 D
2-304 Disconnection
, b& [6 X' N- ~' g8 k7 @- c2-306 Maintenance of Live Equipment3 c% q; Y1 P3 y& P% q) ]1 {
N 2-306 Shock and flash protection (see Appendix B)7 ~4 [- O( X$ b4 x# Y, V% a$ Y2 `5 H
2-308 Working Space About Electrical Equipment: Table-56' l+ U6 N+ J7 Q
2-310 Entrance to, and Exit from, Working Space2 O- k% q5 m. K
2-320 Drainage: @7 l) _" P2 _$ Q1 U' Q, m$ O4 p' c
2-322 Electrical Equipment near combustible Gas Meters and other Devices% B- g# V4 S4 ]% B/ R4 V3 }
Enclosures9 T" Q. Q" R4 ^4 Q- g" K, a3 q# @
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) $ c* C: L1 Q: R6 s7 L- ^7 |
2-404 Marking of Motors: DP, WP, TE0 O J* i. P0 _2 {7 \
! k$ L' ?' x9 J5 z! ?9 O
Section 4 Conductors
# t- k d" G$ O+ d, _ N4-000 Scope# k" L4 C8 x2 A8 @1 |" B1 e
4-002 Size of Conductors: 14#, 12#
7 r! F L+ M9 Z: c5 T4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
, V6 Y& |% [! B* u4-006 Insulated Conductors: Table 19
5 o/ K. m- A( |4-010 Uses of Flexible Cord: Table 11( d9 q. F4 g6 t! {& J& ^
4-012 Sizes of Flexible Cord
% o; [* E5 x7 E5 \; z4-014 Ampacity of Flexible Cords: Table 126 C& g% @* O6 \
4-018 Equipment Wire
7 A+ E) `0 Q/ K, E$ D! @4-020 Insulation of Neutral Conductors
0 e5 s" D3 J, C+ Y7 y4-022 Size of Neutral conductor) j+ Q+ M% r0 c( r- V1 [7 L: w" M( p
4-024 Common Neutral Conductor3 h3 a7 @/ p/ R- A2 m
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum; @ Z8 A! i9 c6 f: n' i
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
" ?4 ^- @% g# D: z# ^" y# }1 d: ~4-032 Identification of Type MI Neutral Conductors
% @9 C1 z+ [, U% q9 `4-034 Use of Identified Conductors
2 x$ ~* T* [6 u% @4-036 Colour of Conductors: Phase A, B, C, …
) D& M' W3 a& y' i# l
/ a3 q7 s/ v) uSection 6 Services and Service Equipment: n8 C; D% Z$ E
General. q. ^* C( U! P
6-102 Number of Supply Services Permitted
7 k3 p" y3 U* s3 s6-104 Number of Consumer’s Services Permitted in or on a Building9 [8 J8 C+ C4 M* w4 e% v4 P
6-108 Supply Service from an Electric Railway System
4 ^& Y/ V) H+ w/ O6-110 Three-wire Consumer’s Services
+ A4 ]: q o" d; C6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
: t ]; C* b. k! u8 l, O6-114 Methods of terminating conductors at consumer’s service
8 J- p5 E* a9 A* _) r- d2 n6-116 Consumer’s Service Head Location
2 `! s1 ~3 T$ A, {6 ?Control and Protective Equipment
6 O5 S- Z2 i+ F$ M. T6-200 Service Equipment
& }( q4 I5 f J" X ?5 I. L& A6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)9 _ N0 W- H( M' ]4 Q7 ^2 s# R3 t# E
6-208 Consumer’s Service Conductors Location
) [& L/ z; ]9 M% [5 n9 u6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
! O: X+ G# u: ]7 `6 w) x9 i5 Z; i6-212 Wiring Space in Enclosures" ?, ~# D- f- r( a+ o
6-214 Marking of Service Boxes5 Y. g( l5 A5 @, }0 x
Wiring Methods8 ]7 Y0 H1 B. u+ s2 m# v
6-300 Underground Consumer’s Services! ^1 h& Q$ S0 {: A6 J
6-302 Overhead Consumer’s Service Conductors
" C* K# ^+ D/ \) {1 {6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
. `, z, w( ^+ o. Q6-306 Consumer’s Service Raceways0 S, w% z9 n/ J5 a8 @. ^. U
6-308 Use of Bare Neutral in Consumer’s Service
0 d, V1 X/ h+ k" F6-310 Use of Joints in Consumer’s Service Neutral Conductors" G& K! c0 Q ^3 F! T4 k( b2 d0 m
6-312 Condensation in Consumer’s Service Raceway
* _. P' X* X/ X+ AMetering Equipment; W0 p4 v/ V) ]; L3 v" r
6-400 Metering Equipment
2 z0 Q4 j% \8 M/ q6-402 Method of Installing Meter Loops8 r. [& |% z2 I
6-404 Enclosures for Instrument Transformers
6 q Q) Z4 b8 m# D' p( z6-408 Location of Meters
: P3 ` a8 `6 D( R* J# ?& p) j& c+ \9 t# G# E* w- n. t0 L' r4 l* q* L
Section 8 Circuit Loading and Demand Factors
/ w: w. q/ p. p2 l( V8 |6 bGeneral8 {3 A- q2 |: K' J; [: V
8-100 Current Calculations/ S8 w3 O4 V- C& [# s6 V
8-102 Voltage Drop ( see Appendix D)3 ^0 I; ~% o8 ^8 N4 K! |1 g
8-104 Maximum Circuit Loading! I7 ~9 o) m) l4 I. F; t9 H& {; O
8-108 Number of Branch Circuit Positions* B4 c- H: X% H0 U$ s
8-110 Determination of Areas
3 }# ~& b# L& b) @- fServices and Feeders, j( P1 S( a; m+ Z- a; z9 r# E
8-200 Single Dwellings (see Appendix B)
8 B x2 r) [0 [$ {, w8-202 Apartment and Similar Buildings' @& f% |$ I3 J
8-204 Schools3 q$ Z+ n& Q" S: N' o/ O5 [: P
8-206 Hospitals
6 i) ]0 I9 Q% D5 o2 V/ S8 g/ W- a# D% V8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy6 [, n1 Y# z# N- s8 w
8-210 Other Types of Occupancy (Table 14)
% e+ I" ?! e/ p' n0 Y$ H8-212 Special Lighting Circuits
) z1 _# {; |5 j2 {; L5 mBranch Circuits+ b' m7 S2 D. G$ ^
8-300 Branch Circuits Supplying Electric Ranges
5 r. b' ]9 [/ C6 P5 ] G( T8-302 Connected Loads* Z" P Q3 V3 X- a; U! L
( J& W+ E: w+ M. S; Q/ x
Section 10 Grounding and Bonding
0 o1 k5 ^4 i1 g; T" {1 uScope and Object) }( Q; |& Z. G* u0 w
10-002 Object) N1 ]% M0 e9 m0 v( j( D/ Q# T9 u
System and Circuit Grounding, Z3 ~' r" A0 Q& V& j; c f
10-102 Two-Wire Direct-Current Systems. V5 F Z/ i1 v8 _" H
10-104 Three-Wire Direct-Current Systems! o8 h, K. k# ]" ~% q: o8 z+ h' B
10-106 Alternating-Current Systems
k& Z; n* _1 r0 T" Y) U" p6 m10-110 Electric Crane Circuits
6 m: D0 A! r% [; b4 J5 h10-114 Circuits of Less Than 50 V/ w( z! P& g4 M: q
10-116 Instrument Transformer Circuits
0 s) I F( y) f# Z& i3 X/ V& F, TGrounding Connections for Systems and Circuits3 I0 n: C, S! k# v: b
10-200 Current Over Grounding and Bonding Conductors
o: ^! v8 g! h% |7 ~& h- z1 X10-204 Grounding Connections for Alternating-Current Systems/ r; V6 c5 {) S# f2 r* n
10-206 Grounding Connections for Isolated Systems7 G! z/ s* d5 \+ x
10-210 Conductor to be Grounded
8 O2 w% q y" P! P- fConductor Enclosure Bonding* L5 s# A6 {3 p
10-302 Other Conductor Enclosures
) M6 z) C5 I7 p. F) }& o; I- P9 }N 10-304# D. o% n; @/ u8 t! E( W$ c
Equipment Bonding; R! M4 Z( a4 W
10-400 Fixed Equipment, General5 V# `7 i9 i! W+ V1 k. G ? t
10-402 Fixed Equipment, Specific (3), (4)
7 h4 w' {8 a7 [& j10-404 In Nonmetallic Wiring Systems7 X, L+ G$ v& P8 m
10-406 Non-electrical Equipment
K( S8 n- S6 M10-408 Portable Equipment (4)(b)6 q7 f, K% D' H# W
10-410 Instrument Transformer Cases3 ~/ ]% X8 g' d
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less9 o3 m2 D: ?1 [$ w8 l5 w4 k
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V9 V4 b) S: R1 l: \: Y, G k! ~) O- b
Methods of Grounding
; \; Q' ]* Y9 e8 n9 l/ P) O/ u10-500 Effective grounding (see Appendix B)& }$ x8 _1 Q! R6 U
10-502 Common grounding conductors
P2 l9 }& P2 e. i9 `10-504 Common grounding electrodes
_3 n2 L( V: X$ ^Bonding Methods: w6 j4 F& }7 M0 C f# p! V& M- `
10-600 Clean Surfaces
+ D* B6 I Q. M# q10-604 Bonding at Service Equipment6 v6 {0 }0 G# z5 G' P; r$ \6 z
10-606 Means of Assuring Continuity at Service Equipment) C8 d/ E0 i3 V+ h% k: u# U3 Q/ X
10-610 Bonding at Other Than Service Equipment9 }# J2 R E5 @& [
10-612 Loosely Jointed Metal Raceways
8 m4 Y' H' B5 C k( r( w+ V10-614 Bonding Jumpers Table 41# S: T7 Q/ b+ J5 a& ?, Z% c
Grounding Electrodes4 h c4 l5 e: i, Y5 G
10-700 Grounding Electrodes, G- n7 H' w9 g3 m
10-702 Artificial Grounding Electrodes W+ ?1 P! X# f- F1 N. |. b0 R' f
N 10-700 & 10-702
c5 T) B1 ]! M8 }3 h3 Q9 I10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)( {- Z9 v1 @3 h/ ^6 r5 Y2 {
N 10-702
4 ~6 n7 Q$ a- \5 n10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding! F+ O* W8 H$ N$ x
N 10-702
: b" a4 t0 o& z; o10-710 Use of Lightning Rods (Appendices B and G)
5 a% a- g0 R8 s7 R+ |% M' L* \N 10-706
8 Y' g+ c- H( y2 S5 ^+ X6 cGrounding and Bonding Conductors) |, X, h$ \( S4 E
10-800 Continuity of Grounding and Bonding Conductors
$ a! g* C8 }: V% D* a$ t10-802 Material for System Grounding Conductors% J8 `1 ~8 g" ?* p; n' d
10-804 Material for Bonding Conductors4 p3 D' W3 f' ?& R- L4 F7 a: F
10-806 Installation of System Grounding Conductors1 f4 y8 B8 A/ S* J5 M
10-808 Installation of Equipment Bonding Conductors# ]1 q& l% @4 \9 }& \
10-810 Grounding Conductor Size for DC Circuits
* w; L# L3 x' i% Z" f! B) U10-812 Grounding Conductor Size for AC Systems (see Appendix B)% B" ]( i- D: `
10-814 Bonding Conductor Size (Appendix B)
) n$ F: I* _0 w& x' f10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
" X/ _$ h. t! ]10-818 Bonding Conductor for Outline Lighting
4 {; b9 ?! f; @0 D3 A0 w" {6 ~/ _10-820 Bonding Conductor Size for Instrument Transformers8 u% V0 B" I: Y( \5 |
Grounding and Bonding Conductor Connections
2 I! m9 l; z' I# a w10-902 Grounding Conduct Connection to Water Pipe Electrodes3 R+ P! r9 G% _; p8 j% [
10-906 Bonding conductor connection to circuits and equipment
1 T( L% ~5 p1 q# {1 N: ~! i- ?10-908 Grounding Conductor Connection to Electrodes9 h5 C1 ~3 C* Z: o, i
Lightning Arresters( {7 d0 j, P$ i8 S/ Y9 W
10-1000 Lightning Arresters on Secondary Services – 750V or Less
# h0 [; n" l1 v: W" @
" D; o5 m# v) W( k# b: S: c HSection 12 – Wiring Methods8 I: o. j$ Y- r* t* j+ ]
Scope* E% ^+ i% c& Z* Q
12-000 Scope (Appendix B)
8 f. t3 w/ q2 m$ v8 p% V0 m5 O8 TGeneral Requirement9 n! e5 Z' w8 W7 C5 W& _
12-010 Wiring in Ducts and Plenum Chambers8 k5 }0 C8 A V
12-012 Underground Installations (Appendix B)6 y/ h: Q% G! {# J8 w9 t8 i
12-016 Lightning Rod Conductors
7 G# b( f8 j3 I( RConductors - General. e; E/ i2 ^3 X1 D3 e
12-100 Types of Conductors (Appendix B) Table 19+ ?, g( ?- Z% {8 A# m: u
12-102 Thermoplastic-Insulated Conductors
) M2 J- T* U" j* z* M12-104 Flame Tested Coverings, M2 b5 U. o5 @( e% P
12-106 Multi- and Single- Conductor Cables) M0 i1 ?7 L+ t9 L0 o# B" I
12-108 Conductors in Parallel (Appendix B)
O6 m r# m# o2 T r12-112 Conductor Joints and Splices
! w0 `# ~2 p5 {) |' h12-114 Ends of insulated conductors5 u8 N) y. d0 S5 _/ _# I
12-116 Termination of Conductors (Appendix B)
Y6 R# R# e- f! v# l. A12-118 Termination and Splicing of Aluminum Conductors
/ u& N% p. m: \6 e* |# Q: H12-120 Supporting of Conductors - Table 210 @" s2 n+ i+ r" S" G
Open Wiring
& s: r( r( U/ v3 B# c/ _12-204 Spacing of Conductors* A* u; D2 O( Y; H4 p; f4 _- `
12-206 Conductor Supports
u7 i3 u* S E12-208 Conductors on Flat Surfaces9 e$ O; r$ [ o+ F0 T# Z, E
12-212 Protection from Mechanical Injury, m7 o; q4 ` W+ ]# A3 E
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
E8 Y' H( h3 a6 b5 `0 \! a12-308 Minimum Size of Overhead Conductors
. v) Z' N+ X% E/ U12-318 Use of Neutral Supported Cables
& C3 T; Q# f7 `5 y2 RNonmetallic Sheathed Cable
6 K" i2 i" e! m7 D12-502 Maximum Voltage' [3 {( g" R- y% B' p7 ]
12-510 Running of cable between Boxes and Fittings (Appendix G)3 R* u" e& `7 ~0 B: y3 S9 a' d
12-514 Protection on joists and rafters, e; l) c2 k) P2 A: q
12-516 Protection for Cable in Concealed Installations (Appendix G): q1 |4 Q+ ~0 u5 N( {: @/ X% T# ?7 Q
12-522 Where Outlet Boxes Are Not Required4 `. G7 ~3 y' z8 L2 c! P. c
Armoured Cable
' K8 r- c( ^6 d: `' h12-602 Use (Appendix B)
5 l' I" p1 z/ b0 J* v1 Y12-604 Protection for Armoured Cables in Lanes
- U( f( p$ j1 l/ C) _+ j; @12-606 Use of Thermoplastic Covered Armoured Cable1 D8 y4 s* ]- d' p3 P% S
12-608 Continuity of Armoured Cable8 o: d" x* H* B
12-610 Terminating Armoured Cable
& x# Z8 X* f. F$ n: H H12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
& c! ]5 O+ b" R& F12-614 Radii of Bends in Armoured Cables
1 B+ g& l3 ^+ ~0 d+ M7 G12-616 Concealed Armoured Cable Installation
J9 M# Y7 B# w12-618 Running of Cable between Boxes, Etc
! a% U. t+ X0 G3 a$ U) H) BMineral-Insulated and Aluminum-Sheathed Cable- E, ]2 x1 p8 G( h% l
12-702 Use o/ f& V& ?' a- F: a' j
12-704 Use When Embedded
7 R& G6 ^; c* M3 m' P. R4 s12-706 Method of Supporting3 W q# W+ z( _6 e
12-708 Direct Earth Burial. F5 s }* w, }( K! R
12-710 Mechanical Protection6 R0 D0 H5 @% G2 z! J) w, O- h7 V
12-712 Radii of Bends5 Z: f# ~2 Z- {4 A8 K a, g
12-714 Termination of Mineral-Insulated Cable (Appendix B)
0 d% A* Z9 F& y. |! [/ z, R) r12-716 Connection to Other Forms of Wiring) k `3 s/ s0 H
Flat Conductor Cable Type FCC
. u' R. d2 z7 B12-804 Use Permitted
& ]8 [3 n- I' I1 v" y0 v0 A& X12-806 Use Prohibited9 R' B' A [, y% S( f! g3 k
12-818 Anchoring+ S8 o* n/ W, s) A
12-820 Crossings
8 e: I' r8 [9 |: b: eRaceways - General( n8 v( u5 A, X4 P/ m' ?. {- G
12-904 Conductors in Raceways% U) }0 Y" g& v( e/ x0 E" d
12-906 Protection of Conductors at Ends of Raceways
# f# Q8 D. c6 n+ t( D12-908 Inserting Conductors in Raceways
' t: h2 e& W E5 z- ]4 Q- G2 E+ N" ]12-910 Joints or Splices Within Raceways
8 g8 ~2 f9 A; [12-912 Stranding of Conductors
" v5 z7 Y# i z+ v/ ^12-914 Electrical Continuity of Raceways
% U L# t# P/ K! n% g9 m( D6 e12-922 Radii of Bends in Raceways
) y& a; j) A2 Q# TN 12-922 Radii of Bends in Raceways Table 7 l8 r |8 R+ V' \1 ~' q
12-932 Protection for Raceways in Lanes3 ^8 D5 ]8 H" G! [
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
( L( ^8 q! {. r4 T7 i12-938 Capping of Unused Raceways
% q" j; n7 `. ?, r% q5 s- p12-940 Maximum Number of Bends in Raceways$ v6 V# i7 f4 Z8 Z* V7 o' V
Rigid and Flexible Metal Conduit1 ]& M3 {' G& M; j% c/ M: O. e
12-1002 Use
) a( P& b( o M9 I0 y5 t( b* G* [5 d12-1004 Minimum Size of Conduits% G1 b# g; X- L
12-1006 Conduit Threads (Appendix B)" o5 \. Y4 h3 r) p* Z( m
12-1008 Thread Engagement
- u5 q, Q ~4 H4 X12-1010 Maximum Spacing of Conduit Supports
, o: ?$ z/ Z, ? [+ Q- X n! Z2 y12-1012 Expansion and Contraction of Conduits (Appendix B)+ s7 \" A& i$ _
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
7 Q4 _+ g. _2 t# U! cRigid PVC Conduit and Rigid HFT Conduit# l6 Q$ s: k" V2 p4 C* O
12-1100 Use
- ]0 C- m* P! j: ^& w# [12-1102 Restrictions on Use
8 k) f+ ]- r# V- o; c: X12-1104 Temperature Limitations (Appendix B)
9 m+ R1 Y) _' Q" V+ U8 K; ^% k12-1108 Field Bends (Appendix B), (2)
2 i% Q4 ?6 A( w5 y" \' T2 L. d( H( V12-1110 Support of Luminaires
7 O. Z$ J+ H5 K4 a12-1112 Fittings
. M: J; X/ Y5 I3 H% q+ l12-1114 Maximum Spacing of Conduit Supports6 C( v# ?+ O. o" e
12-1116 Support of Equipment; _. b: r% B, b/ \# p# b7 G, {
12-1118 Expansion Joints (Appendix B example)
" v: t+ l X5 T5 k7 U; @Rigid RTRC Conduit0 O6 A5 n% i+ v( e- F+ U. W
12-1210 Temperature Limitations
0 |$ [3 q6 V: d! @- d7 v) |2 C12-1214 Expansion Joints (Appendix B)" Z r. K. d! Y; i) w) }! Q
Liquid-Tight Flexible Conduit
8 P4 j8 `. A: q, A12-1302 Use of Liquid-Tight Flexible Conduit
1 `7 _# B* p) B12-1304 Maximum Number of Conductors. P. _7 S) g; U' G: f
12-1306 Provisions for Bonding0 Q: s# {) i) O( l' c
Electrical Metallic Tubing
8 @3 D- {+ u2 y0 Z& F- Y12-1402 Use
) l: h+ B& Y; Y* f12-1404 Supports N }; D' ~. U# _
12-1406 Minimum Tubing Size. B3 K9 g9 X4 H/ _
12-1408 Maximum Number of Conductors2 `' O1 P; V6 _, q
12-1410 Connections and Couplings
* i/ n0 `/ o' h' g7 E" [12-1412 Radii of Bends in Tubing
# |! F; D: a. n) S) yN Table 7# V) T" D. S' r4 S! F
Electrical Nonmetallic Tubing
" o b* G+ b5 a: D% { k3 w* d+ n12-1516 Provision for Bonding Continuity4 q9 ?* S: t- c) \- E! C* g% x
N 12-1514
, e: L5 t; @* ^9 {9 S. wSurface Raceways0 O4 `! B8 _5 w7 }8 b# G4 B8 e3 C
12-1602 Use of Surface Raceway (Appendix B)! Q, S$ W4 R5 z# _0 V7 R0 w
12-1604 Temperature Limitations
. F$ r- }$ M8 O# L( Z& X12-1606 Conductors in Surface Raceways (Appendix B)
4 ~2 o. n5 u$ K12-1608 Maximum Voltage& X, q' @. A, w* `' p' B$ L
12-1610 Joints and splices
1 `- [5 u) O. ]Underfloor Raceways$ O+ J5 W. C6 p, K% O
12-1712 Discontinued Outlets in Underfloor Raceways
8 b9 A% x" k- lCellular Floors
$ _3 k: o/ L3 V/ c9 m7 G$ }12-1804 Maximum Conductor Size in Cellular Floor/ a% _ Y" {" y1 A
12-1820 Cellular floor discontinued outlets
! Z* Z# n7 `9 |9 E6 v" n* BAuxiliary Gutters% Y/ p& L4 W! {" f0 _7 i7 w3 X
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces/ n: N* B2 B* X: o4 E
12-1902 Auxiliary Gutter Supports
( T$ n- ]/ e* p& b( i12-1904 Auxiliary Gutter Cross-Sectional Area! H7 U- L* r$ I! D: u; X, {
Busways and Splitters! J& D' B8 q7 {) _$ {+ y1 B
12-2004 AC Circuits in Busways and Splitters/ j: A* U) j& K* {0 v
12-2006 Busway and Splitter Supports
" M. @& y4 I1 j, p% R" j& x9 K12-2008 Method of Installation of Busways
7 p+ S( V8 C) i. X) n+ b# _" g# b12-2012 Reduction in Size of Busways
1 k; Y9 H7 W, X$ O12-2014 Length of Busways Used as Branch Circuits" g- k. ^) Q J
12-2018 Taps in Splitters. J% H+ i3 [: @
Wireways
- n6 K$ S2 s* R12-2104 Conductors in Wireways
! u6 J! ?& r: U0 ^2 z12-2106 Taps and Splices in Wireways
6 j& U7 X- c! h# s) `& e' _1 Z% y4 L Cable Trays
( o; ]! {$ T% L& u$ ^12-2200 Method of Installation (Appendix B)$ c' y( E6 z/ L3 p
12-2204 Joints and Splices Within Cable Trays
4 z; |7 F& y) a* X6 \12-2208 Provisions for Bonding5 v$ d, x0 E/ @1 m. X! S& H" o
12-2210 Ampacities of Conductors in Cable Trays1 ~% a- t3 G8 T( V* Y* L% O+ g; b/ ~
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
+ u, p, f: P6 C0 r. T12-3000 Maximum Number of Outlets Per Circuit' D) P0 O; j K# {9 Z
N 8-304- ]# C: g: T1 c7 h9 o
12-3002 Outlet Boxes (Appendix B)" Y, A2 g- ^: d6 s' ?& R, N; p5 V$ |
N 12-3000
. |. a" _( p. \* s; @12-3004 Outlet Box Covers( R* x1 S( g3 m7 |4 |/ `" d
N 12-3002
0 Y, n4 D# N ^, f9 h$ w6 v! P12-3010 Boxes in Concrete Construction
, j x( L" c/ Y+ ~N 12-3008, P8 D3 F6 f f! R8 m
12-3012 Outlet Box Supports$ P+ {4 G l9 X# c+ j M/ p4 d
N 12-3010 Q- y& A* I( W' Y- z
12-3016 Accessibility of Junction Boxes3 t& [- O" N$ q2 p$ _
N 12-3014
2 a1 A6 X- t1 f5 w& m; w X12-3018 Flush Boxes, cabinets, and Fittings8 ?: S7 T/ D& ~' s2 j) J, }2 [3 b5 }
N 12-3016- \1 L; I) x7 z+ d
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
* }2 I- l$ T) X4 N. r) E, F. JN 12-30225 ]. |, Z, U4 \- Z/ a' P
12-3036 Maximum Number of conductors in a Box - Table 235 j! h! {4 h) L( }2 Y3 m# t
N 12-3034* I3 Z6 T: V3 H2 ?8 ]
12-3038 Pull Box or Junction box Sizes
+ G" Y0 N4 s, @0 ^) W- d9 [1 a: HN 12-3036% u7 F, R. N& E' _% k- w
- ~& N. y! ~; h7 A5 USection 14 Protection and Control
$ S. W& ^! U- d9 k8 ]General Requirement
, }/ t, l* m+ }, K0 r8 o* v+ d; H14-010 Protective and Control Devices Required' i# [' b$ |+ R9 q
14-016 Connection of Devices
4 J9 `+ j3 S( E A Protective Devices – General7 d+ V E$ @' ~0 D2 x/ c: A' H
14-100 Overcurrent Devices Required
% V+ i* m: d* _$ J" T0 I2 G14-102 Ground Fault Protection (Appendix B)
. C+ _/ x% v2 u J' |14-104 Rating of Overcurrent Devices (Appendix B) Table 13
; e! n8 A+ F8 F) D- b14-112 Overcurrent Devices in Parallel- Z3 g) e. V0 u9 E% ^
Fuses
; ^2 z* J# Z5 U3 a0 a6 J) ^+ I14-200 Time-Delay and Low-Melting Point Fuses
6 n# G" p' o) E14-202 Use of Plug Fuses
0 {7 o5 P6 z' r6 S% u2 F14-208 Rating of Fuses4 y/ k, q- |7 X$ `, K% u3 X" c
14-212 Use of Fuses (Appendix B)8 {# n, Y0 _4 j# l1 B* z( ^7 B
Circuit Breakers8 |6 P$ H- G1 `& f5 A! O+ O
14-300 Circuit Breakers, General# Y& i1 C& v9 x. H1 c! e: C
14-306 Tripping Elements for Circuit Breakers3 _7 P4 O- |( |; C
14-308 Battery Control Power for Circuit Breakers
# t- R t. b- c0 N& z5 i$ D: x6 mControl Devices - General9 W' Z- n+ S) ]( h2 j# V# ?3 f" X7 Z
14-402 Disconnecting Means Required for Fused Circuits) T( ?" a. A+ Y8 k/ w9 H+ T7 I# i
Control Devices - Switches
7 l' T) j3 \2 T% _5 j' x1 [14-502 Mounting of knife Switches: q- B( y0 P1 U- j2 P7 N
14-504 Maximum Rating of Switches
4 B5 \1 c. R; z: T# b# |8 z14-508 Rating of General-Use AC/DC Switches (Appendix B)
* ~4 X" z' O$ ~14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
7 H& x0 h. r1 b8 V. BSolid State Devices) @( c1 x: e5 ^' C
14-700 Restriction of Use
0 r2 m% O* h) N% F2 b+ b2 H* p! _14-702 Disconnecting Means Required ~& d, c% F3 x; s* X0 N
( g9 K( V$ B* R) n; ~
Section 16 Class 1 and Class 2 Circuits
: X- q- h0 ~6 L- b8 J% dGeneral, K8 S% P j* }4 e+ b$ [' L
16-004 Class 1 Extra-Low-Voltage Power Circuits
b9 K3 z0 y: t16-006 Class 2 Low-Energy Power Circuits
+ Y# O C$ M% q0 G- l16-012 Circuits in Communication Cables
3 k# O7 x9 z2 o; tClass 1 Circuits
. t' y3 z' u- L- J3 k16-100 Limitation of Class 1 Circuits
- t8 }+ q) t. J16-104 Overcurrent Protection of Class 1 Circuits
i7 ~5 ]( r6 V( X: {16-106 Location of Overcurrent Devices in Class 1 Circuits
, G1 D O. z/ F$ M3 t/ z2 u16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
' T& r7 ?% e2 i0 U/ F* F, U16-110 Conductor Material and Sizes1 y( \$ v- [* R0 _' |
16-112 Insulated Conductors for Class 1 Wiring
* C5 o0 Z. q* V( } F# yClass 2 Circuits2 O* p* v/ p; P
16-200 Limitations of Class 2 Circuits (Appendix B)
5 Q, u# r" [1 }# X: T- T16-204 Marking
# k+ F; y% S$ Z16-206 Overcurrent Protection for Class 2 Circuits3 Q$ \4 j% f; q
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
$ c, i9 l7 v5 a9 H& x4 I& jELC: extra-low-voltage cable
( p) d, b# g1 z, {/ t' l16-212 Separation of Class 2 Circuit Conductors from Other Circuits2 ?# Y- C& J9 c- P! V: o& s/ W! b2 b8 `
8 j& [' z( ]! @# T$ MSection 18 Hazardous Locations. c- ]5 M( P) t3 r& K) T+ ?0 F6 c
Scope and Introduction2 Q+ a! b/ r, g/ h- N' O+ [
18-004 Classification
+ M1 ~/ f& p, G+ O: f/ L18-006 Division of Class I Locations (Appendices B and J)
/ r" D$ h* i3 H* W, ?18-008 Division of Class II Locations (Appendix B)& ^3 I$ ]( r. z3 d/ v
18-010 Division of Class III Locations (Appendix B)
- @( I+ U. e; r6 k- EGeneral
: x" k0 b0 x% H1 v' r18-062 Metal-Covered Cable (Appendix B)! Z7 O) v8 G) t
Installations in Class 1, Zone 1 Location
2 v# O& c J8 g- s- _18-108 Sealing, Class I, Zone I (Appendix B)$ z) y2 T c- |
8 l6 u+ F5 w2 K& I
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars4 V2 B$ M3 d3 T5 s; n: u3 t
Gasoline Dispensing and Service Stations
5 r. u/ ] [/ }+ @0 d5 X20-002 General
( ^3 g0 J! I" g& P2 Z; A20-004 Hazardous Area (Appendix B)0 U$ s/ M7 z) ^ {
Propane Dispensing, Container Filling, and Storage
6 D2 o" Z: _. o, S20-034 Hazardous Areas - Table 639 I, ^! t( y+ p/ e U' l
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
; U" `8 R; m. L; u20-062 Hazardous Areas
) E k7 w" Y' Q! z4 i* E& `Commercial Garages – Repairs and Storage V# d' g* d0 }. |+ t0 j& [- l" h, v
20-100 Scope) [" J+ h+ U8 O5 K/ H& j+ G; P
20-102 Hazardous Areas (1)
# ^% c" f2 _9 w1 i& F% |* A+ k" @, o7 g# L& u+ W/ y
Section 24 Patient Care Areas
' d- R! w5 K1 O# X24-000 Scope (Appendix B)0 F# z# I3 ]1 @. a
24-002 Special Terminology (Appendix B), w* `: R8 @$ [/ g
Patient care area t3 L% Q0 R' e$ G6 L+ @6 {" b& M
Patient Care Areas
! n8 U) @9 g1 _6 X) L& s24-106 Receptacles in Basic Care Areas (Appendix B); D5 B& x$ J) u+ b/ z
Isolated Systems4 H! O* U8 T. c" ? z; a
24-204 Single-Phase Isolated Circuits (Appendix B)
5 t, f, V: t3 M; r9 t2 n# W24-2064 u) u+ |$ A% z( ^; G7 p. R
0 g3 w: n2 l8 _ I) d& b, `9 ]Section 26 Installation of Electrical Equipment
8 M5 h' Z0 {1 N% n- g o8 ]General
2 e2 C! C; f2 B9 `" I6 B. C s% A2 n26-004 Equipment Over Combustible Surfaces (Appendix B): h+ |1 P) W8 a% X
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)$ _5 B% T0 X: ~& B7 e
Isolating Switches
# `+ z) {4 o4 q. p% s26-100 Location of Isolating Switches
# f \# n2 A$ k/ t) q3 [. s; ^- WCapacitors; P; q* _$ _. [6 J- I+ o4 s
26-204 Guarding of Capacitors
9 M, l. F" a8 W( i, P" P- _6 e$ U7 F26-206 Grounding of Capacitors7 A9 {0 k: ^7 T! e% T
26-208 Conductor Size for Capacitors
$ T. ~! V+ m- Y) ?8 `; h" l+ r26-210 Overcurrent Protection (Appendix B)
n4 b( _% |5 V& P' P+ w% n9 \* `26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits8 T8 O9 l' @3 l! s& _; o+ m: i
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits9 Q# _, d% w% z1 W# M
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
( K* i7 v. S( o26-218 Special Provisions for Motor Circuit Capacitors
c# ~7 u( t4 |26-222 Drainage of Stored Charge of Capacitors
1 B! p2 ?9 j4 V$ N) \Transformers2 Z9 Z; o6 ]8 S" v; D
26-240 Transformers, General
9 U; k7 q' U5 d: O J3 Z& S26-242 Outdoor Transformer Installations
' i( S$ T, R+ E- D, q26-244 Transformers, Mounted on Roofs (Appendix B)
1 y+ p+ D2 Z- `. m26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
9 i, I+ E9 F0 E26-248 Dry-Core, Open-Ventilated Type Transformers
0 x% w8 N* E9 g9 r! Y ?9 Q- u26-250 Disconnecting Means for Transformers7 T$ D G! y! y$ z
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V/ y4 b) n$ I) o: r; i, t4 _1 ?
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
$ |6 D u# x8 V) x: U9 s0 R26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
- l* r6 M1 g$ G h# B26-258 Conductor Size for Transformers7 }+ i1 X9 y6 I0 ^6 J/ M2 M7 U
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B). n, K& w4 L% w/ _2 ~
26-262 Marking of Transformers0 y, s0 D' ^2 ]# j0 W4 Y: u
26-264 Auto-Transformers
; Z6 d7 I0 u. h2 E; |/ `; K) gFences3 e2 c* M- e6 t, R( ?8 q7 q0 t
26-302 Clearance of Equipment - Table 33
0 k% i* `# F; F6 n, UPanelboards" J, `, S2 P5 U4 x5 j* J
26-400 Panelboards in Dwelling Units (Appendix B)
! Q3 A5 X' ^- q+ l% h; h2 z! d26-402 Location of Panelboards (Appendix G)9 s7 @" U( |) C8 g# @) f3 }
Lightning Arresters
+ k6 N4 H( d5 v: e1 V2 d; N ]26-508 Connection of Lightning Arresters
0 T; ]! ~% d9 J- X# u J7 ? e* `Storage Batteries: @' a+ b/ C$ u. D1 P
26-542 Special Terminology
; D& [' P. ]6 V3 P/ @# I- d26-550 Battery Installation7 A' g3 a* Q) T8 Y9 \8 U
26-552 Wiring to Batteries4 i" l1 E- F" g) u4 B. \
Arc Lamps& p) n5 l) t( W5 b5 s" t. Y2 I% V/ J
26-600 Location of Arc Lamps" _% \+ I+ h- F/ J$ c/ R& R9 U+ z+ x
26-602 Conductors to Arc Lamps* d5 S" U2 I3 ^5 x/ w5 i1 }- U/ t
26-608 Globes and Spark Arresters2 c p% G2 L3 L
Receptacles
6 C- E( e. e# z, w& t26-700 General (Appendix B)
. ~7 H9 l$ u7 k$ U26-702 Receptacles Exposed to the Weather3 I( n+ u# S9 Q: I/ V
Receptacles in Residential Occupancies
( E @4 ~0 \; H4 \. m- J26-710 General (Appendices B and G)
$ Y3 P0 I5 R. V5 l, h26-712 Receptacles in Dwelling Units (Appendices B and G)
5 j+ Z5 c( L) g8 m26-714 Receptacles in Single Dwellings (Appendices B and G)
( v0 O9 m( P0 b7 Q' P) b1 V5 }Branch Circuits in Residential Occupancies, i! K/ r9 o; [1 G. J( I# S- ]: N
26-720 General" ]' w5 o9 y) ]2 }' G
26-722 Branch Circuits in Dwelling Units
! {& N' \; L- l$ w26-724 Branch Circuits in Single Dwellings
8 P; N- f* `" ?* ^- V5 S7 w8 d6 x7 N& f26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B). c% G( I" Z! }, Z- x8 f. |
N 26-720 (F)
" P. q' i& q [( ?" P4 OElectric Heating and Cooking Appliances
7 ~7 K6 J2 p8 Z9 K0 z26-744 Supply connections for Appliances9 E/ |1 I- q) q) q: p5 R: ~" y
26-750 Installation of Storage-Tank Water Heaters8 l- Q9 E# n# Z% s" [0 R
26-752 Infrared Drying Lamps! S8 u6 J1 u5 q% ^1 Y, ^; w
( a5 ?8 T; U0 l+ c" ISection 28 Motors and Generators5 z( l: _! o4 Z) I
General( i" B6 H" F9 B) x7 h! }
28-010 Special Terminology3 J/ D9 \8 H" E# a `7 \
Hermetic refrigerant motor compressor
( ~' C) q" p8 k+ ]0 b9 ~* I( ALocked rotor current rating
. l% [, @1 j) H/ e- FService Factor
. f0 r8 t" h, c3 tTable 44; Table 45; Table-D2
& k; @# @- B$ V* f: i. cWiring Methods and Conductors
. M+ K! R/ F: b28-102 Portable Motors; o/ U4 c& B, y# o. d
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
1 I: n( ~5 R( T28-106 Conductors, Individual Motors
/ h9 D( B) Q( C28-108 Conductors, Two or More Motors
" d! W, `' l3 {, v# q28-110 Feeder Conductors+ p( \ Q$ i7 n9 q
28-112 Secondary Conductors ^& S5 Y* c* s/ z( m
Overcurrent Protection
+ x4 ~1 m Y( s( |28-200 Branch Circuit Overcurrent Protection
! w1 ^2 n9 S4 l: ]) N7 ?6 X6 a28-204 Feeder Overcurrent Protection
1 s- P+ {, F1 v0 }' z5 T. }! N28-206 Grouping of Motors on a Single Branch Circuit1 C6 z4 r1 f7 C9 `) K2 V; ~4 a
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)' \9 I) r, T6 T5 d3 @ }! g$ m/ H/ \
Overload and Overheating Protection% J6 J1 W5 w: }2 z
28-302 Types of Overload Protection# o7 n% P. v! S9 s$ b
28-304 Number and Location of Overload Devices (Appendix B) Table 25
0 K8 a4 v" v$ ?: ]5 ~28-306 Rating or Trip Selection of Overload Devices (Appendix B) I. W P, v( |! v7 p
28-308 Overload Protection Not Required
( x7 x. o6 b4 D9 }2 s; g5 vUndervoltage Protection 5 X6 h, m, G4 C G8 a
28-400 Undervoltage Protection Required for Motors (Appendix B)8 p0 Y9 y5 n3 w, L! d$ D) Z: o
Control. B h! i6 c5 i) ]) D9 i; z6 }
28-500 Control Required
) M, S. {8 k6 y28-502 Control Location
, b9 V* w8 D: u' P28-504 Starters Having Different Starting and Running Position$ ]2 \6 b1 z8 ^- S, l$ o! U& m* x
28-506 Grounded Control Circuit$ ^9 Z6 x9 t# n: r, k7 E6 ?; \
Disconnecting Means
& [% j. E& D0 P& ^8 |8 O, H( p28-600 Disconnecting Means Required" X1 J1 z# s; U- }$ ]
28-602 Types and Ratings of disconnecting Means (Appendix B)
+ p: U4 D l* d; z% f" F6 F" h28-604 Location of Disconnecting Means% N) w6 X+ o2 D1 C# e
Hermetic Refrigerant Motor-Compressors1 l; z- d7 }6 \! {. W u3 w
28-706 Conductor Ampacity$ P5 c/ r5 ?7 I! ]& Q
28-708 Overcurrent Protection
6 p0 s: L) `- s28-714 Disconnecting Means3 a0 t1 P8 \* n3 S
Protection and Control of Generators% O( B0 t$ Z, Y3 U2 L1 R
28-900 Disconnecting Means Required for Generators- X- }, g M3 a7 A
28-902 Protection of Constant-Voltage Generators: W- Z6 l8 }2 \0 ]
28-904 Generator Not Driven by Electricity: M3 a2 K0 P& ~2 l0 T+ F. b
28-906 Balancer sets: y9 I9 \( U( Q5 b9 {
28-908 Three-Wire Direct-Current Generators1 l2 [( w# V# X4 r8 t
" Z c( d# O1 ^- d1 r
Section 30 Installation of Lighting Equipment+ F3 F( \( L1 t: K' ~3 V$ j: G& x$ Z
30-002 Special Terminology (Appendix B)0 U# o$ j# g2 U: v* a. H. Z8 ~3 j( b8 f
General
2 `$ y* R, L+ f/ w4 G; h$ F30-102 Voltage
" M) @& l% Q) e) t+ w30-104 Protection (Appendix B)
, T/ @' f% P% _4 M( |2 `30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment5 c0 `* S* x6 e# {& Y
30-108 Polarization of Luminaires
5 h9 \. Z* }% F' Y# S30-110 Bonding of Lighting Equipment/ Z0 v5 O: Z0 \% g/ b
Location of Lighting Equipment
1 T0 F& j; B; s3 v, O30-200 Near or Over Combustible Material
$ y0 @+ ~8 W. V1 w30-202 In Show Windows
6 f2 V& ]4 | W8 I# x30-204 In Clothes Closets+ ~" }+ o9 Q4 g: r* P1 n* _5 O
Installation of Lighting Equipment6 r! @9 L+ a3 Z4 m6 @8 L
30-302 Support
6 d5 N# `; M2 k30-304 Outlet Boxes to be Covered
% t% C8 g9 U7 n/ w30-308 Circuit Connections
# ]; o& R& P ~& m+ g3 |30-310 Luminaire as a Raceway
+ m- J }* b% C0 t4 n+ k30-314 Minimum Height of Low Luminaires
% ~3 t7 o0 J6 F+ C& D& D30-316 Luminaires Exposed to Flying Objects
l1 M. _7 ~/ P: r3 k30-320 Luminaires in Damp or Wet Locations
( u p- B, O. F7 w: M* QN 30-3183 E) k0 Y3 s$ o+ m3 }% r& C
Wiring of Lighting Equipment0 N7 z$ \9 A" \; Y7 q& P. M
30-400 Wiring of Luminaires
- t/ B" a7 L# s" [1 z# \# h: S& I; B/ x30-402 Colour Coding( Y4 u: e/ Q1 n8 l
30-404 Conductor Insulation( d9 ^ J+ r$ g! P
30-406 Conductors on Movable Parts, E; S* Q. W* q: U; J1 v
30-408 Wiring of Ceiling Outlet Boxes
$ \ [+ `) Y5 T' u, u* h# O3 E+ u( Z30-410 Wiring of Show Window Luminaires
~( W3 w9 r& }' L30-412 Tap Connection Conductors
- i% @5 Y- p6 KLuminaires in buildings of Residential Occupancy
; @* M/ ~) z- a' V1 P! z, @30-500 Lighting Equipment at Entrances (Appendix G)
` ?& Y) P2 v2 b8 B30-502 Luminaires in Dwelling Units (Appendix G)
/ L; ]1 j% i% _8 N9 `. U# P30-504 Stairways (Appendix G)
1 d* f4 x: T: m; A3 V30-506 Basements (Appendix G)1 [4 t+ W* f" E2 G# u4 T
30-508 Storage Rooms (Appendix G)
. X% |" f. P5 w5 I30-510 Garages and Carports (Appendix G)2 ]! }% y+ e1 o4 ]+ q. b4 k$ D
Lampholders Y' K. D- ?7 s9 f
30-600 Lampholder rating with Incandescent Lamps2 [. a5 C0 c, f' C& }! S
N CANCEL, B. ^2 `& a8 p- V" h4 X- h
30-602 Connections to Lampholders+ h) _" [6 ?: M! }
N 30-600# y0 {$ M+ T* b( q% [
30-604 Switched Lampholders Used on Unidentified Circuits
4 o% F7 E) h* b+ mN 30-602& ^- I( c V N3 E
30-606 Switched Lampholders with Pull-Type Mechanisms
6 W o( S) [4 v" g4 T L5 B9 BN 30-604
% j& p- s1 o+ W5 @9 S/ m/ |& p" A- B30-610 Pendant Lampholders
M9 T) L* k2 \N 30-608
1 l4 P# \. _( X" A+ V: pElectric-Discharge Lighting Systems Operating at 1000V or Less% Y E- E# z) M4 I, R4 K
30-710 Control (Appendix B)
% h/ [: S$ j$ m/ [30-712 Branch Circuit Capacity( w" |; P0 W* L m( i" @+ G
Electric-Discharge Lighting Systems Operating at More Than 1000V
9 y3 ?: U, j' a, W: y8 z# p+ d+ E30-802 Voltages, Dwelling Units* Y4 q6 d5 _/ g9 e5 D( ]5 w
30-804 control (Appendix B)+ V* w. f/ G- H
Recessed Luminaires (Appendix G)- l- R* b3 Z( P/ ?5 C& n
30-902 Spacings for Non-IC Type Luminaires/ ^# n/ ?. w, q9 \
30-910 Wiring of Recessed Luminaires (Appendix B); \3 M* {- k0 j1 A
Exposed Wiring for Permanent Outdoor Lighting3 \+ T2 _/ [4 X- }6 O
30-1120 Branch Circuit Loading and Protection- d6 i# @7 R3 M2 v1 m
Extra-Low-Voltage Lighting Systems# _; C& e3 p2 j4 T1 S1 T- z4 q
30-1202 Sources of Supply: g: I" c: u) w7 e3 @; [- G
, |; [, P$ g/ O: n" @+ L
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)# [1 W2 O% X1 t, Q$ S. b3 h# y
Fire Alarm Systems$ Y7 v0 c- I, K
32-100 Conductors
* p) x8 J3 V: \, y* U# G: E32-102 Wiring Method
0 o8 A5 e D5 r# P32-104 Equipment Bonding$ ? T* J3 Y, ~
32-106 Electrical Supervision$ \) f# i% m1 l9 p# }
32-108 Current Supply
5 g1 g6 P8 ]/ [4 B! z, {; E* X32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
) z( N/ O+ [4 _: qFire Pumps+ Q' |+ n+ t5 \ @; ~1 \: M
32-208 Overcurrent Protection (Appendix B)' b! e$ E! i6 Y* q6 X/ D
N 32-2067 Y: H* B; z8 i6 J
32-210 Overload and Overheating Protection (Appendix B)
, ~6 q- Z: R. C J2 C32-212 Ground Fault Circuit Interrupter (Appendix B)3 `. t/ p$ X [; d
! M2 R% K7 @! m6 n4 g/ Q; ?! @Section 36 High-Voltage Installations. b( ?$ o- Z% z$ s4 J& U
General
7 u' N$ v5 t3 c* R( N! X- h36-000 Scope (Appendix B)9 r: R4 J2 w' b. o" n
36-006 Warning Notices
. ?$ v( d" t, TWiring Methods
5 K" d" u' \+ b- N }0 z6 n36-102 Radii of Bends
9 |6 }+ j# Q6 D: }36-104 Shielding of thermoset insulated conductors
4 I; `; S+ H1 {36-108 Spacing of Exposed Conductors (1) table 30, table 31, r7 }/ F- M- {9 \8 C" @
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34) s$ l" k- ?# g3 O* Y
Control and Protective Equipment
8 B# S" |% ~ G* M- m8 i& b36-214 Disconnecting Means2 k( |9 v7 z) l6 b# y
Grounding and Bonding) m4 [1 R% M# Y% `, h+ s' P
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections8 z0 P8 y: u/ k, V( O1 e
36-302 Station Ground Electrode (Appendix B); ] L5 l3 N# Y5 Z9 |
36-304 Station Ground Resistance (Appendix B), L) H0 {/ U4 |9 R
36-308 Connections to the Station Ground Electrode (Appendix B)$ a; D; |. r h) i
36-310 Gang-Operated Switch Handle Grounds
3 o& C7 l/ I" B/ C$ f; I& ]' y. E36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations$ A" z* L7 I9 y
N5 i1 S% N( S& u# ~2 Z) b' e
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
( z, N9 o/ p8 a# L' ?38-002 Special Terminology (Appendix B)
, |2 P" i, b6 u) a% `' d38-003 Voltage Limitations (Appendix B)
6 W- z! f5 G$ p3 m38-004 Live Parts Enclosed
1 I k( n+ _5 K9 t38-005 Working Clearances
9 _9 _0 X' V9 j38-011 Insulation and Types of Conductors+ w F8 D' _4 G
38-012 Minimum Size of Conductors. K8 @! f; g0 c+ M/ T
# f; \) F! e8 P+ PSection 40 Electric Cranes and Hoists; H" e/ L5 H& e6 { p
40-008 Disconnecting Means3 R2 g$ d: F2 B! @( u, {' {2 J' v A) L8 O/ E
40-010 Main Contact Conductors9 A4 n5 J0 s2 ^
( S, I( {+ n( b- i& D. }0 f e; ]Section 42 Electric Welders+ Q3 Q" M( _. { b3 P
Transformer Arc Welders
' f' S$ {9 P- j' v0 B; b% p( k3 u42-006 Supply Conductors9 {4 _ j/ e/ o- e) ~; L0 v) o
, Q! \' { Y, B9 b6 a& @
Section 44: Theatre Installations( A; ?2 v* G9 W* E5 J, \
General6 b7 |0 e2 Y9 Q9 J# f. K" I
44-104 Number of Conductors in Raceways2 X/ O2 u `3 b$ R8 A( s
44-106 Aisle Lights in Moving Picture Theatres. w6 Q" W9 G& }5 t( H: L
Fixed Stage Switchboards0 T8 V+ k1 C6 W; y
44-210 Overcurrent Protection
M* i" }( H dFixed Stage Equipment
+ W" `/ D j- ?5 ~# G9 I44-324 Receptacles in Gallery Pockets& k( Q/ M$ q d6 g9 M( i( U
44-326 Receptacles and Plugs
. N! n7 M, X& n! S( H/ p: ]; R; Y: |* R
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
- i, s. i- k' s. UGeneral% k7 B, B) k* u( b
46-102 Instructions2 K) E9 c3 n2 S1 W: y
46-108 Method of Wiring (Appendices B and G)
6 u5 C3 W# f; ?8 s. h: NEmergency Systems( T: L: O$ k9 V h4 F9 K" Y2 |4 d$ K
46-202 Supply (Appendix G)- d( t1 |9 y4 j ^
46-204 Control; N# `4 P" |9 X/ b; R, @3 i R
46-206 Overcurrent Protection
m: A+ o" E) n ^( ^: [6 ?9 E; o* \46-210 Remote Lamps
) }- [5 B' @ bUnit Equipment
! `; _0 T- n. I' ~2 j8 Q1 z46-304 Supply Connections
* _6 Y/ U4 j0 T$ m. N46-306 Remote Lamps (Appendix B)
/ Y) K3 V% b7 y5 Y- V; `Exit Signs
, G5 O; F4 f, ^* ], K0 y46-400 Exit Signs (Appendix B and G)
2 }, R& e) ~. T0 @* |0 B8 ]) Z% p' {3 H* b* N3 L
Section 54 Community Antenna Distribution and Radio and Television Installations) _" h4 v3 {) ~0 o
54-000 Scope7 A" F9 Q# x8 [: O8 L0 `
54-004 Community Antenna Distribution (Appendix B)
0 x$ C8 ?5 T* o! M! C' Y0 A; ~5 iCommunity Antenna distribution
! R, D9 C+ Q, F n54-100 Conductors
( W8 Q8 N1 Z* O8 `3 d6 D, e54-102 Voltage and Current Limitations (Appendix B)
' O3 o3 }, z( V: k* w2 b: G% ?Protection
6 K! \/ V5 W9 f9 a1 ^ `- t54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
" u: f( D' y6 n' CGrounding1 W5 e* M& p4 N8 v0 c
54-300 Grounding Conductor# y3 O# v7 B4 U c/ s
Conductors Within Buildings
4 N* J9 g8 U- L54-400 Separation from Other Conductors
+ L {5 ?; u4 |7 c: lEquipment
& P4 m" Z5 Z) A% ~7 S; ~54-500 Community Antenna Distribution Amplifiers and Other Power Sources( |6 ^% U! a d* `2 N4 g
54-502 Exposed Equipment and Terminations
T* e, K5 h6 V! e* K5 C) ]0 I/ Q; l; U5 s
Section 56 Optical Fiber Cables
2 G/ V/ c& H$ i Y9 h: v' cGeneral6 o" b, c( I4 r _
56-100 Special Terminology6 e. A5 m3 X0 } T9 e
56-102 Types, R) `0 Q0 J) J3 D9 c
Installation Methods2 H5 M \ D7 N% p# s: b6 M; i0 H! {
56-200 Nonconductive Optical Fiber Cables (Appendix B)
3 g. D' r% K# y' G& V56-202 Conductive Optical Fiber Cables (Appendix B)) X4 P- {- K) v. D
56-204 Hybrid Cables7 @/ |! v, j7 H, U1 L
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)* m+ N1 v" F* M9 |
9 x& f1 }. q1 w7 X4 W1 `4 ~Section 60 Electrical Communication Systems9 }# {( f+ _& T) d. c7 t3 W" i# D
General
1 X+ K) c3 s8 b! d! I$ D# p2 l60-100 Special Terminology
2 }) w5 s' `5 c* b* AProtection/ p! g6 P* c0 x4 K
60-202 Primary Protector Requirements& A& k6 Y: X& U" S' d t
Inside Conductors
) S& v/ w7 r7 p& f) r7 l9 `% {60-308 Separation from Other Conductors5 D, @' q0 Y4 O$ W# e
Equipment* s2 A9 ~1 p e9 A
60-404 Exposed Equipment and Terminations
9 L- p8 [, C) m" X9 v. T2 d! |/ VUnderground Circuits' ?* l* B9 c% C) f( |9 T7 S! h+ |/ g( b% y
60-600 Direct Buried Systems. w; v, V. T/ Q* h) u: `* f
) t M0 o, \) Z/ {" k8 DSection 62 Fixed Electric Space and Surface Heating Systems
# j/ f9 u# P% I8 V* e2 ^% X) rGeneral: Y# }. P6 _$ [& R {
62-102 Special Terminology
* m& |: E: l1 _) m62-108 Branch Circuits- V5 B, d% t8 @: c) P5 ?
62-110 Installation of Fixtures9 n' o$ N2 r) e: t8 d2 Z: P
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
2 q4 e4 K! |: c6 C# t; S62-116 Demand Factors for Service Conductors and Feeders (2): G; Q( O& w) ~% h
62-118 Temperature Control Devices
* f9 W3 D- M7 O. l, h( |, {62-122 Installation of Series Heating Cable Sets (4)(7)5 {& M3 q6 i/ K; y
Electric Space Heating Systems
# ], h5 B* d; r7 O62-202 Temperature Control+ l2 Z3 q4 N7 {0 \
62-206 Proximity of Other Wiring (Appendix B)
# B1 p9 R4 t( h: M- F62-214 Installation of Heating Panels and Heating Panel Sets
5 C& I( k6 F k$ O# B( U% s* v) x62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
# M( ^: M! X0 l2 k( i. b! z62-226 Installation of Under-Floor Covering Heating Panel Sets
& l0 \; g: c/ s$ TElectric Surface Heating Systems9 y1 p. p* S& H9 i, j( Q
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
. [" k+ ^, p8 y* M8 {
" M5 z- |( f: ~$ ISection 68 Pools, Tubs, and Spas% a j* R5 l% P6 l
General
) t. s6 d" \3 l6 i" K0 v68-050 Special Terminology! K1 q# l% y9 E \8 v- X
68-056 Underground Wiring - Table 61. I" r8 ~1 o$ t2 _( d* k; [. i
68-058 Bonding to Ground (Appendix B)3 ?, x9 h( s2 O6 ^7 ]' r# e- ^
68-060 Junction and Deck Boxes (Appendix B)
* |3 r* g' H9 T: g68-064 Receptacles: N+ n( r! O, K8 |
68-066 Luminaires and Lighting Equipment
; [8 q" I4 C+ G* E68-068 Ground Fault Circuit Interrupters (Appendix B)
0 d9 L0 v3 q9 B0 b
# p9 r8 H6 K; g" O& @Section 70 — Electrical requirements for factory-built relocatable structures and ; y9 P- R& C$ y; b v/ |# [# @5 E
non-relocatable structures! [8 q; Q9 p$ F6 e
70-130 Tests (see Appendix B)4 n! V, w6 A1 {# P) o
9 a( t+ h% D, N1 d9 B
Section 76 Temporary Wiring (Appendix G)
5 R) F) z5 P; }8 s0 ]9 p# r76-004 Grounding
* @8 L8 X6 X9 C# `- @76-008 Service Entrance Equipment
1 @/ q2 {2 j; w5 R, @ p5 AN 76-006# v5 y" }, N6 ~2 s
76-014 Branch Circuits% L: s: M1 C: O; C' a4 a v3 K
N 76-012
( J6 M, `( P# ~* e. |/ A
$ M5 c4 d3 @' Q# h2 P7 k: MSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
- o. |4 j+ |/ P# b( MMarinas and Yacht Clubs) O6 y& e, V$ ?1 ]; b
78-052 Receptacles
: Q. k h2 T. j0 X+ Q78-056 Feeders and Services
% E7 L- u. D9 I# O# g; Q; XMarine Wharves, Structures, and Fishing Harbours
0 J6 X1 j& y! r. B3 y$ d4 ^7 ^78-106 Grounding and Bonding ]9 O# d, s4 o& I
Tables
& R8 G% W/ a$ A+ `( A' y: i+ g7 d0 x% ~( H! |1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65
8 k; r% f$ W; F4 M# w$ L( e' x: H; ]# l1 B/ s
Diagrams: 1, 2, 7* q8 d2 [3 X" ^# Z% R+ }
: g+ x ]; I( |9 h- }
Appendix B
3 ?' d! f# I/ [' B" N! TP352: Ground fault circuit interrupter- 6mA5 Q$ O$ p4 Z1 g2 E
P354: 2-126 FT1, FT4
# y9 M3 u; c, m# s8 |8 _) n& gP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)* b$ [, ?8 }. D" y. c _: p8 x
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
4 {6 O: t6 \2 o5 OP370: 12-1012, 1118, 1214 Example:
8 O" h2 C; _& l5 a) ], g- h \P371: 12-1108
* P# C+ E# F3 \5 t) z4 t+ u) BP381: 18-108(1)(b), 18-158(1)(b)
# Y" `1 A8 I' d6 @; A; _; BP386: 24-206+ I) u% g# A# ^7 X6 e Y/ [0 S
P389: 26-256; T7 g6 Z8 y& {9 |3 R
P391-P393: Section 28, Example to determine Motor Conductors and Protection9 a. U0 S) W& P) @. f
% K0 J/ N/ ^* r: s- K7 s
Appendix D/ [- h8 {& @* c0 |
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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