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Canadian Electrical Code Review Guide
2 }; p7 G" k& i3 E/ D0 o( bFor the Exam of Electrician For Red Seal License9 L. V* u8 D: c, t P* @, g7 S8 f
8 M1 d2 N% ^4 A. l. X
Lesson One
1 P7 n& Q" P7 A! rSection 0 DEFINITIONS
" v6 y2 C8 Y# ~& FThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:- l+ y3 K4 L! S# G% A- F1 k
Accessible as applied to wiring methods4 ^: D/ Z6 ?5 d1 N4 V- Q
Alive or live
0 T" _! u# }$ S) R" e* O9 HAluminum-sheathed cable5 }3 h- ?' ?/ @8 U0 |" ~ I6 y
Ampacity
0 j5 k0 S0 w( Q$ a. Q0 zAuthorized person3 A7 ]' u1 `% Z0 l
Auxiliary gutter7 m, t" a# g3 j) Y% a( k- u
AWG
+ }5 w( K, F5 D7 ?, YBonding
1 J+ @& X! n% z; V. B. u+ aCable tray
: g% p$ [' U4 @% }6 R. |' ~Cellular floor) ?) u. d5 W. ~! S: p
Branch circuit5 ^' o) e: ?" b( w) e- s ]+ F! k
Bus
- Y- w6 C" V% q4 DBusway% [( _/ J; l2 r* M9 L" s; x
Communication circuit
4 L. }( t4 R; M) @8 D0 {Extra-low-voltage power circuit2 B$ j+ E7 B3 K+ l0 H
Low-energy power circuit+ t& n9 Q+ L) Y" g9 ~* Y5 U/ U
Multi-wire branch circuit& N, v" X- g, Y% z1 c, ?
Remote control circuit: C$ s6 Q, o' q* `8 G
Signal circuit
; P1 }& I: A( S# bCircuit breaker
+ @* I2 C* `1 ]8 sInstantaneous-trip circuit breaker
+ w, v- e$ t& P: aConductor
, \1 i9 I+ Z8 q7 W4 k0 b- z* L; LConduit/ M% J6 `0 s& J, z) ?$ ^ F# i. w
Flexible metal conduit
0 @) n( a8 D$ B5 m- K5 }7 k) Z Liquid-tight flexible conduit/ X3 `- A4 p9 X% w5 f$ {% c
Rigid conduit) c3 {9 T- H) z% E4 S$ y( R
Rigid metal conduit ?7 M$ O# p. s3 r" n
Rigid nonmetallic conduit" k/ a! Z: t+ a$ C
Rigid PVC conduit
9 t3 z/ n2 J) G4 ~. y2 c0 x0 uConnector
8 J0 h1 E/ u5 T/ u* ~% F Box connector$ k. ?5 K" l6 F& n4 @
Wire connector, W2 P- [0 L. k! Y
Controller) r% X4 C" ]' f; w
Disconnecting means7 t$ `" ?8 f; \' e L
Dust-tight
3 t2 c, G9 h0 C* hDwelling unit
. ?; {+ J9 {9 Z# E: Q/ P2 }1 IElectrical contractor/ ^# j, j8 a- s" [8 n
Electrical metallic tubing$ ]0 H$ u) E1 `5 A, x! A8 t5 a7 z
Electrical nonmetallic tubing0 K+ R+ U* l" Q" f
Emergency lighting
: R$ b2 I9 U6 ?+ [, nExplosion-proof
; ^% a$ x8 T9 u; sExtra-low-voltage power circuit
- a `, M3 h, m5 `! |; SFeeder K6 j. ~3 `4 j% a8 W
Flexible metal conduit! _$ Y0 y7 C$ Q; o D: c3 T
Ground
X# U* b% x; K* p9 d5 bGround fault circuit interrupter
4 j8 ~# X5 W9 X/ w! Z: W5 d! u- LGrounded
6 \8 ]: C+ X$ Y! a y3 ^Grounding1 W' B. h! Z: b7 Y5 i
Grounding conductor
3 I. E! n5 g' Q6 z0 \Grounding electrode
; C; X* |) Q' c& _Guarded9 ? U/ D; X* I& W D6 _8 I
Hoistway
1 \* l9 ^- A5 v7 Y8 Z) yIdentified# |3 s# C. k* R! x6 o
Lampholder! d5 e8 b: \% b5 U3 ?3 J4 p
Low-voltage protection6 E3 i# z9 N. X( [
Low-voltage release
4 X) f9 R3 Z }$ s( i; s: O0 [Neutral4 }; n4 v0 j6 }8 }( {8 D; E
Noncombustible construction
) B% I: k; V$ R1 v) W$ U' |Outlet
2 [$ o4 l; H0 q2 {2 dOutline lighting1 C7 N d* m7 u' m8 M5 _3 G( X
Over current device+ V* O& o: C0 u0 ^6 b
Overload device
7 T' A( q7 V) W0 zPanel board
( t& u# Y, v+ c' jPanelboard, enclosed# r4 l! y2 T# b0 |7 e3 R6 G
Permanently connected equipment! \5 f! e" a! Y5 m. k5 Z, `
Permit0 D. W: j+ G' x% j& g" J
Plenum
6 L1 r% o8 j- a3 ^& y0 bPortable as applied to electrical equipment
/ f3 r! U+ M9 U' f; uPortable ground fault circuit interrupter
4 t" Z6 u* Q0 ]) FPower supply cord6 y# W3 u, p; c# R
Raceway% b1 g* f& A! X" J; y- Y
Receptacle8 e* T y. P! ]7 _& W @4 T
Duplex receptacle9 R _8 I1 v& B2 A5 g5 b. W
Single receptacle( S5 v5 h) f$ c# m
Split receptacle/ y5 {& C6 n, ]5 U* c [, ^
Service, consumer‘s* z( |' N/ A# S' s! @& L
Service, supply
; z1 k: R6 N$ U3 u% v0 {/ O+ F# |8 JService box
; d8 i7 v( I- v" s5 G/ `1 DService room1 h3 W- T! J1 e3 d! E
Single-dwelling
, R3 H P3 s9 b8 |) \% \! z7 k( A7 \Slow-burning as applied to conductor insulation
' Z0 X) h0 N5 p$ P6 Q$ R I' [8 \( }Splitter" `9 }; D, I. @7 d* e3 }
Starter
! k! V9 g9 Z* y$ ~Switch
$ G8 T: S3 n& i5 i, B: l& N General-use switch$ L" ^. @! n( d) W2 E
Indicating switch
U S6 } G' j Isolating switch/ x' e2 O* R/ w! o! p
Motor-circuit switch
: Z; W" L) X1 k$ M" r; E% }9 S. USystem
6 u, Q! \) w3 ^* ? Communication system
/ R) L* j( t p4 W9 c Community antenna distribution system(CATV)# Q9 e' Y9 J% ?3 m8 h, i1 @! j/ J8 I
Grounding system
5 s# I8 U! Z' d2 q5 GUnderfloor raceway4 H! O4 n4 ^1 _
Voltage: B8 u1 j) x2 {8 R
Extra-low voltage% ?- f) w( w; ]; {
High voltage) A8 n" w4 X( h& v( Y$ D! S# C: c; R
Low voltage9 k* m' T# l" B& G% T+ h
Voltage of a circuit) ?3 b7 F0 M) M/ I ~8 u
Voltage-to-ground
9 Q/ c+ t$ e8 v8 \1 p; N- \* s8 ]/ uWireway+ f- f/ J- I4 g U2 p
. F1 Z9 s9 W' s @$ L& Z2 p O V
Section 2 GENERAL RULES' L6 E6 n' [5 p0 L I5 F4 G
Administrative7 H. G3 V6 o0 _7 s. k
2-018 Reconnection, }# H! Q9 A6 S+ I
2-030 Deviation or Postponement/ v: g, i. z1 O/ L4 U% z
Technical General" i6 b/ z9 t9 ?: w7 k, j+ a' p
2-106 Circuit Voltage-to-Ground – Dwelling units
/ F2 I9 T2 l7 q) h2-114 Soldering Fluxes# B( L% z# }( L0 j9 F
2-116 AWG Sizes of conductors
t9 x& ~, U' A1 ^. }/ I/ ?2-124 Fire spread (see Appendices B and G)
/ r" m: K5 N' n5 _2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
. d6 e; ?+ W, @4 [" c+ \$ _Protection of Persons and Property
' g x" b l4 |/ V2-202 Guarding of Bare Live Parts
! C. [5 U/ ~& D& u; kMaintenance and Operation
' W# q' R, o* `! s2-304 Disconnection
: e$ T" s9 U5 q+ T7 o! I7 b2-306 Maintenance of Live Equipment" o g" E9 h) a
N 2-306 Shock and flash protection (see Appendix B)
& ~% b) l& q6 ?0 \ J, k$ o$ a2-308 Working Space About Electrical Equipment: Table-56- O3 Q5 d) b0 i) w4 _
2-310 Entrance to, and Exit from, Working Space
5 @/ h' s. E+ V" E, A/ L1 }, g2-320 Drainage6 T1 ^. w4 G) n5 m) a5 k
2-322 Electrical Equipment near combustible Gas Meters and other Devices( d( Y; d: r. M1 q
Enclosures0 a) y7 z. }) u6 d6 G$ r
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
! k, \. B m* l: @2-404 Marking of Motors: DP, WP, TE6 Q& d3 M& \0 R3 e. c' ]
# e- o& ?: o5 K8 o/ {) U3 ?Section 4 Conductors+ @* \+ C9 ~8 b. F0 P( w
4-000 Scope
3 @. {3 S& o9 [# r; C0 \0 H; j4-002 Size of Conductors: 14#, 12#
: ~0 s2 h( B/ Z4 `" N% S+ x4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36+ Z: v. u& ~' M, _
4-006 Insulated Conductors: Table 19
/ c6 E5 y7 d% s3 ^9 ^ C; d4 x( `4-010 Uses of Flexible Cord: Table 11# B& K& f1 C6 \6 X! j% X) d
4-012 Sizes of Flexible Cord
* E. \3 N) ~) ^) {( d7 N4-014 Ampacity of Flexible Cords: Table 125 ]. N2 U; x4 d M& z
4-018 Equipment Wire% J! j5 \/ u$ x; r$ g- q" Z c6 G6 i
4-020 Insulation of Neutral Conductors
9 n- H8 c! Y7 r& E4 @4-022 Size of Neutral conductor: q6 K5 v7 g# L8 l& D
4-024 Common Neutral Conductor
1 R& v9 ` W9 v) R4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
4 C- y$ v$ H6 D3 Y- b% J @" V4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
1 N. R1 Q c8 P8 o& V6 k) a: p t) t4-032 Identification of Type MI Neutral Conductors
; V# v9 s7 o& ?. g, R( D' Z+ C4-034 Use of Identified Conductors9 _+ u+ o6 z2 G, P5 ~& g
4-036 Colour of Conductors: Phase A, B, C, …
5 _5 ^3 t& J* m
' h. ~4 A+ t3 K8 F5 m7 y& N0 tSection 6 Services and Service Equipment9 f% v- i/ ~1 A& _' c
General
# b( _* G; T: h. L8 Q% f" k1 I; K6-102 Number of Supply Services Permitted& o. T" `3 C; D7 g. m" j, ~
6-104 Number of Consumer’s Services Permitted in or on a Building" o8 A! G' X) G* `* d
6-108 Supply Service from an Electric Railway System
) T! B8 C6 s7 y6-110 Three-wire Consumer’s Services 8 Z1 t- }+ _9 P% y0 ?7 U
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors7 c q f' b X3 E# L
6-114 Methods of terminating conductors at consumer’s service
6 J, S+ ?6 }$ E- W! ^% @6-116 Consumer’s Service Head Location$ u6 X: n. ~* B; C: I1 U
Control and Protective Equipment( c$ t# v( R: s9 A, D0 H3 E
6-200 Service Equipment1 e- Z1 _5 T/ u6 M
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)' e: Q* j6 I) Q4 N- s0 N
6-208 Consumer’s Service Conductors Location
& a* N/ T- r( v* q2 t/ B6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches+ t% f/ g3 W7 E5 G/ h' j
6-212 Wiring Space in Enclosures! [7 D8 H, _6 @
6-214 Marking of Service Boxes
1 j3 n9 |/ x4 I, K( jWiring Methods
) N' b3 O: L0 A* i6-300 Underground Consumer’s Services9 e( S% u( [8 |! M% A& o& ?
6-302 Overhead Consumer’s Service Conductors, l f+ g( i; y' `7 L& Q
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable# l& g; i0 T9 V1 \. f
6-306 Consumer’s Service Raceways( V7 m# T# K9 N+ D$ I6 q$ D
6-308 Use of Bare Neutral in Consumer’s Service
0 q, b* H: |# S/ I6-310 Use of Joints in Consumer’s Service Neutral Conductors
$ z- b; m. K! y' }6-312 Condensation in Consumer’s Service Raceway
2 }( R( H% d) z: F( {Metering Equipment% A6 x& b1 w. v8 L0 q' \
6-400 Metering Equipment
. r9 L) c1 Z; R( I6-402 Method of Installing Meter Loops
) k/ T+ m. J2 Q4 V5 B6-404 Enclosures for Instrument Transformers6 b- @) [" w V9 u" H
6-408 Location of Meters
! e6 E. v7 N/ x( R/ H
1 T/ C+ H8 R1 h4 GSection 8 Circuit Loading and Demand Factors
' {4 P N# ]" l+ c$ u* W$ SGeneral6 o" q+ H( d: b0 o
8-100 Current Calculations
, L2 b: B; |& ^! N8-102 Voltage Drop ( see Appendix D)! S% X' a! \7 q! I, _5 F
8-104 Maximum Circuit Loading, `4 H' m: ^' G! W
8-108 Number of Branch Circuit Positions Y/ L/ Y" B% \0 n) K2 `$ M# R# |
8-110 Determination of Areas
0 x6 [, k9 i0 V1 L/ v# @Services and Feeders$ h0 N. y |! p9 d2 Q
8-200 Single Dwellings (see Appendix B)7 \6 z5 K7 W0 p8 L% A, `2 w1 ~
8-202 Apartment and Similar Buildings
! u/ z+ m* A/ ]4 K1 z: t8-204 Schools
( E! j( j+ G: ?) S8-206 Hospitals
- l9 k h8 z X+ S8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
8 T0 s+ D- x& E; l' J! [! `% h8-210 Other Types of Occupancy (Table 14)
9 m1 F5 l3 S" ^0 @+ G% w! L8-212 Special Lighting Circuits, I* Y4 K7 Z8 P/ w5 s
Branch Circuits9 T+ A' I) D$ u5 k4 ~. J
8-300 Branch Circuits Supplying Electric Ranges* u, M W9 `/ R: u7 Z
8-302 Connected Loads
7 G: k4 M f% N, N) x
& E% ^% H: X2 {3 U: e$ M( HSection 10 Grounding and Bonding: W- Y& _) f+ }: N
Scope and Object2 K( z, J2 V+ ^
10-002 Object
4 H# h, N' e& F! wSystem and Circuit Grounding
, Y# K y3 a0 `' Y# _10-102 Two-Wire Direct-Current Systems& S9 _& g8 y" ?! s
10-104 Three-Wire Direct-Current Systems K) c" p( ]) V" ^# Q
10-106 Alternating-Current Systems
" m% z7 Q0 }3 Y& n$ S9 A* z8 E' e, Y% I10-110 Electric Crane Circuits
0 k7 C3 }, n, i8 {7 |8 u10-114 Circuits of Less Than 50 V3 t2 S* A+ l$ E% G4 G6 M) F% L
10-116 Instrument Transformer Circuits7 i% L) m- S! @# ]! U
Grounding Connections for Systems and Circuits
& o% V& Q1 Y; \: q10-200 Current Over Grounding and Bonding Conductors A$ r4 d0 d8 N, T' ]! i
10-204 Grounding Connections for Alternating-Current Systems
. `0 s$ b' g( `10-206 Grounding Connections for Isolated Systems2 y0 e* q6 T' j- c
10-210 Conductor to be Grounded
4 q0 z% O6 m2 z8 ~Conductor Enclosure Bonding, Y5 t8 T+ O# ~. ]: A6 B1 Z9 j
10-302 Other Conductor Enclosures* w4 A' h8 l) h9 q: N* C* P
N 10-304& |9 n i/ t; }0 q- ?% ~+ c
Equipment Bonding
7 [8 _/ q, S# E! I9 `8 V/ G10-400 Fixed Equipment, General1 c; O0 @7 v" [4 G) v2 s
10-402 Fixed Equipment, Specific (3), (4)' K3 ~5 R( K) R! j- Q/ N
10-404 In Nonmetallic Wiring Systems
% q" J! W3 E0 z6 |9 E+ S10-406 Non-electrical Equipment
6 a+ }" Z5 ~0 R: r1 a4 k6 u10-408 Portable Equipment (4)(b)
& m# e: u5 j) p y4 _. c10-410 Instrument Transformer Cases
" m' W, X2 d9 q& W" Q; o10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
6 U% }! v0 D- Q10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V! e# n8 @6 p. J6 l8 Y X! f4 G
Methods of Grounding
- r( Y' z7 ~' ]0 n10-500 Effective grounding (see Appendix B)
; `# Q8 J) r: }4 R10-502 Common grounding conductors) a4 G2 k2 m/ H) p9 A5 A
10-504 Common grounding electrodes
# E2 s9 m+ {/ Y+ g8 B1 \& TBonding Methods
4 F/ h4 R: h! v z4 Z' ^- x& r10-600 Clean Surfaces
' s5 }8 ^* u) U# w0 d7 s( j10-604 Bonding at Service Equipment
3 c3 i2 A3 b3 y5 {3 i+ C& L' k9 A10-606 Means of Assuring Continuity at Service Equipment: ^4 J& x6 V! b' {
10-610 Bonding at Other Than Service Equipment
9 t" B: z: W8 T% {$ i10-612 Loosely Jointed Metal Raceways
% G" z% X. n$ b, p& N) L10-614 Bonding Jumpers Table 41
' [. ~7 D1 T; DGrounding Electrodes" h O }* |4 [0 j" m0 c
10-700 Grounding Electrodes
6 r; E$ Q/ `# ]8 s3 H. h9 U10-702 Artificial Grounding Electrodes
# w$ A/ C% ~6 }N 10-700 & 10-702% X+ c3 N( [2 m1 r) M" x! L6 l
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)5 e# t7 K" x; u$ c/ V4 n, W7 w# _
N 10-702
+ U* Q8 W) @' z10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding( J1 `) s- n4 I" K: g
N 10-702, z9 ?4 D" r0 A ^+ u( I9 l' I
10-710 Use of Lightning Rods (Appendices B and G)
' Z. g6 K4 T( k7 qN 10-706# \( C u: a: a4 s! }. G) y N/ t
Grounding and Bonding Conductors
7 L/ Z1 m t) f; U) k0 N L9 A10-800 Continuity of Grounding and Bonding Conductors
7 T: `% i0 K0 t& s* k7 U6 p+ N10-802 Material for System Grounding Conductors2 X3 I# e' s# d2 m6 |: j( v0 d" R
10-804 Material for Bonding Conductors
: p7 M3 c$ Y1 Q4 W2 {10-806 Installation of System Grounding Conductors; z- h Q3 P/ b' @- x
10-808 Installation of Equipment Bonding Conductors
) b" e: E x* l10-810 Grounding Conductor Size for DC Circuits
* {2 }( A6 n+ C10-812 Grounding Conductor Size for AC Systems (see Appendix B)
* }* B9 ^. Y# I10-814 Bonding Conductor Size (Appendix B)
# J- T" I& e8 d: h10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment5 R9 P9 n3 f" Q; C( d
10-818 Bonding Conductor for Outline Lighting
! X0 L6 L! O) C. P( Y1 ^; J10-820 Bonding Conductor Size for Instrument Transformers' F( O' s( J6 L. d
Grounding and Bonding Conductor Connections+ h! E2 O. _+ D7 x# y
10-902 Grounding Conduct Connection to Water Pipe Electrodes
}6 ?$ N9 {: J& s) E. D10-906 Bonding conductor connection to circuits and equipment
9 v# ?3 I! B6 x& d' ^6 a10-908 Grounding Conductor Connection to Electrodes
4 l7 ?$ a; C3 A* q! K& ^0 c0 ~0 S/ W6 `Lightning Arresters
% ^7 e* |1 k# q3 t9 i+ P% v10-1000 Lightning Arresters on Secondary Services – 750V or Less
% b* b+ F, v+ Z3 ]+ J# p; v- D3 r% G5 Y; ]
Section 12 – Wiring Methods6 m8 k" h1 V# G" w% }
Scope
) W0 V2 Z1 c% o- l8 e12-000 Scope (Appendix B)
1 W, U* q- X1 c6 XGeneral Requirement
4 _1 h: L; t* r9 s' E12-010 Wiring in Ducts and Plenum Chambers' b( D9 Z/ H# Y! x6 w" t5 X
12-012 Underground Installations (Appendix B)
) S2 o) m% U% E. k+ k12-016 Lightning Rod Conductors" e6 Y3 z4 r6 M% A4 s
Conductors - General
- i) d1 E! o) L ]0 Q+ U' f- \; @+ J12-100 Types of Conductors (Appendix B) Table 19
; g+ z, h5 m% q- i2 l12-102 Thermoplastic-Insulated Conductors
; `- F( w2 L8 p7 e( I12-104 Flame Tested Coverings2 L* r$ O: J& ~: Y
12-106 Multi- and Single- Conductor Cables
( @/ L9 A3 u0 @, I) P0 Y12-108 Conductors in Parallel (Appendix B)4 t4 ]; \& E4 w! U+ I
12-112 Conductor Joints and Splices
! `0 F ?# Z' z7 ~$ b \8 B0 U/ J12-114 Ends of insulated conductors" G% c/ K& X( Y- [
12-116 Termination of Conductors (Appendix B)
) C0 N6 F. p. u6 T+ I% q9 b. `$ f: k3 ?12-118 Termination and Splicing of Aluminum Conductors
- B' X" }/ b* G6 s; V6 `12-120 Supporting of Conductors - Table 21) m( i5 n" d& l( o8 k6 ?9 b; s
Open Wiring u8 v* a& u( M+ G6 K
12-204 Spacing of Conductors
) B2 i, _ Y. s- l! H12-206 Conductor Supports' K( I4 W9 F8 h; S
12-208 Conductors on Flat Surfaces& v5 j. G0 e% g
12-212 Protection from Mechanical Injury
7 e# C5 @: l5 u! p* ~3 X7 jExposed Wiring on Exteriors of buildings and between Buildings on the same Premises- w x ~5 A" J" I' F
12-308 Minimum Size of Overhead Conductors
! y y1 Y3 s# E12-318 Use of Neutral Supported Cables# \8 |1 A: c; Y7 f5 M
Nonmetallic Sheathed Cable' ^0 t; k1 q+ c/ b
12-502 Maximum Voltage
; n5 d2 i8 V1 x9 Z, c# e12-510 Running of cable between Boxes and Fittings (Appendix G)
6 }7 Z1 B" z0 ^! g: Q6 ?12-514 Protection on joists and rafters
- `; b4 d. N0 t$ l" k6 h, Y12-516 Protection for Cable in Concealed Installations (Appendix G)
4 `, ^/ w* s H$ e/ M9 s9 ]12-522 Where Outlet Boxes Are Not Required
3 Y6 b) ^: n2 cArmoured Cable l+ y: ?# b2 |# B" f
12-602 Use (Appendix B)9 a. |9 M6 r1 S- v$ T! ^6 W7 ]
12-604 Protection for Armoured Cables in Lanes
7 [) J/ K0 n7 t: ?# U12-606 Use of Thermoplastic Covered Armoured Cable j1 j( k Y9 q; `$ y- v
12-608 Continuity of Armoured Cable" E0 ^) `/ N/ N# }2 N# E$ p
12-610 Terminating Armoured Cable
# P+ d: \: R; \( F- i l12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
- Z% b9 S, f) y( C12-614 Radii of Bends in Armoured Cables
F5 X8 v5 [7 d9 _. z& ?( F12-616 Concealed Armoured Cable Installation
3 R2 U& ~' z: n8 L$ K, f12-618 Running of Cable between Boxes, Etc
# d0 t) Z$ g( q2 p" C6 TMineral-Insulated and Aluminum-Sheathed Cable8 e4 ]# X# h; b% s& ?
12-702 Use6 @8 Z7 n- o V
12-704 Use When Embedded9 E, n& s& r8 u8 Y" Q: g9 B2 T; J
12-706 Method of Supporting0 G, X- Y. R; I# \6 f
12-708 Direct Earth Burial7 K* `0 R4 b5 T1 r; j
12-710 Mechanical Protection
) k P, o6 ~7 _12-712 Radii of Bends, T( K2 S/ C! [8 K* H
12-714 Termination of Mineral-Insulated Cable (Appendix B)
; |! ?4 V1 ^8 U/ S# ^1 I1 f6 j12-716 Connection to Other Forms of Wiring. u7 H/ E5 P o3 D% ?' X. x& n
Flat Conductor Cable Type FCC/ H- }3 \+ G$ \# P+ y$ I
12-804 Use Permitted' V; f1 |: F6 Q/ v2 Y# z8 m
12-806 Use Prohibited
5 l9 h1 U! G; P I+ }, p6 }12-818 Anchoring
( W. z y6 ~+ D7 Q6 [12-820 Crossings- p( X. p6 Z: T, n
Raceways - General
" c9 a+ f$ w: w( B9 `/ i8 `* f: _12-904 Conductors in Raceways) E0 r- J+ u7 Y9 Y$ v( H8 k
12-906 Protection of Conductors at Ends of Raceways
% s( ~8 r2 H4 @# b5 z* n( Y+ c12-908 Inserting Conductors in Raceways
. o- R% n% |7 W$ n' `% T6 ^12-910 Joints or Splices Within Raceways
( b! K' v, h/ z5 {* p12-912 Stranding of Conductors
! I- M2 s" C; P/ P12-914 Electrical Continuity of Raceways/ X' n8 U# ?% x1 x
12-922 Radii of Bends in Raceways
9 K# O. J4 i$ o5 \% RN 12-922 Radii of Bends in Raceways Table 7+ @+ D, Q/ Q1 f% W
12-932 Protection for Raceways in Lanes
' z* b0 r* X, @* J( R: v12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
8 d# j) Q7 u# `, v( J* t6 B; F$ X' L. D12-938 Capping of Unused Raceways, V8 r7 ?6 r& ]2 n
12-940 Maximum Number of Bends in Raceways
, {" J- B) u: P! Z- aRigid and Flexible Metal Conduit
* a& v8 z* x t: Y8 g( ?12-1002 Use2 ^+ ^5 j* h1 r- Z9 m
12-1004 Minimum Size of Conduits
, R1 L; V- }0 l4 c P' R12-1006 Conduit Threads (Appendix B)1 _& [& ^. M0 P* w+ E9 d
12-1008 Thread Engagement
* ^3 Y H) k+ V3 b% W12-1010 Maximum Spacing of Conduit Supports7 f# h* \7 ~; V+ B2 |* c" q: y* Z/ H0 ?
12-1012 Expansion and Contraction of Conduits (Appendix B)
' j% u1 s4 b) l6 r- I: n12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
7 @/ @8 V: o' {% d5 N! ^Rigid PVC Conduit and Rigid HFT Conduit# x& `1 `/ Z( n4 J: G# b& g
12-1100 Use% \1 L$ G/ ^( ~/ ^5 Q2 d e9 r
12-1102 Restrictions on Use
; `7 v% K9 o; V7 X) T8 L12-1104 Temperature Limitations (Appendix B): C8 G( z8 T+ B. Z% H8 u
12-1108 Field Bends (Appendix B), (2)
- s( {, y& ~- ~) F& v12-1110 Support of Luminaires
( G; T @' T* H. ?" ?12-1112 Fittings
3 |6 z# Y2 m: }) U3 n3 S2 m! j# A12-1114 Maximum Spacing of Conduit Supports
* S; n) ~9 F5 B0 ]; O, Q12-1116 Support of Equipment
/ Z! E, {; }6 d' b; J12-1118 Expansion Joints (Appendix B example)
8 ]* `( E7 n$ z* d' PRigid RTRC Conduit) o$ Q, r+ s3 x
12-1210 Temperature Limitations
3 U5 S& _! j* \! Z12-1214 Expansion Joints (Appendix B)5 q; @2 r( Y1 K) x' z: I5 V
Liquid-Tight Flexible Conduit# `& w# T$ y' e) }' H3 k
12-1302 Use of Liquid-Tight Flexible Conduit' i2 b7 F; E9 s) }4 f6 ~. K6 i
12-1304 Maximum Number of Conductors
9 H( {2 }# ?$ ^( t( ~' v12-1306 Provisions for Bonding
5 D! }/ [, @2 [Electrical Metallic Tubing
4 M k. p# ?1 ^; `- T- O, k12-1402 Use; P) C4 N6 B8 u$ P
12-1404 Supports5 |8 g& b9 o! i0 A
12-1406 Minimum Tubing Size
! ~: X- C) y6 j( A! k, D; _: k12-1408 Maximum Number of Conductors3 r! o0 H5 S# X6 T& {0 O
12-1410 Connections and Couplings$ Y5 U: ], ]% Y5 B- j& Q$ o
12-1412 Radii of Bends in Tubing
# n. o8 _0 \+ O/ h0 r! L* a; a) \N Table 7/ T% l0 {( O' h1 H/ s [
Electrical Nonmetallic Tubing
( A2 X2 b% H2 a+ z M" j: d6 `- r12-1516 Provision for Bonding Continuity! k2 N6 ~; H, @
N 12-1514
% P7 Z4 P# m# z/ a$ v; P" DSurface Raceways$ }9 \- k) [4 O4 a
12-1602 Use of Surface Raceway (Appendix B)
3 |: o t! U$ |$ c; R" V12-1604 Temperature Limitations2 M2 j! B t* ~
12-1606 Conductors in Surface Raceways (Appendix B)/ T4 Q# t' d; L
12-1608 Maximum Voltage
# H) E9 p- w/ \4 f* L3 G' d12-1610 Joints and splices
2 u* h0 j9 L3 e5 vUnderfloor Raceways: k7 Z6 n$ d+ h& J* _5 n! g& |6 ^
12-1712 Discontinued Outlets in Underfloor Raceways6 Z6 S1 S" G, D+ q2 [. f/ y; J
Cellular Floors5 x" |; P8 x0 M( ^: l* h
12-1804 Maximum Conductor Size in Cellular Floor" ~/ @. f: K9 C1 d( T
12-1820 Cellular floor discontinued outlets
& w' h, a% x8 fAuxiliary Gutters) S9 j! u8 e" `/ D9 h z q. ^
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
* {' K' j$ ^" y* k9 J. _- X4 q12-1902 Auxiliary Gutter Supports
0 p: |, |* B# p12-1904 Auxiliary Gutter Cross-Sectional Area
. n" w b! J1 @5 K yBusways and Splitters
. U! d5 N: z* N. i: ], N( K6 n12-2004 AC Circuits in Busways and Splitters
% }! R: p# F5 r$ A4 e3 P12-2006 Busway and Splitter Supports
) K0 ^& O1 W/ f! L12-2008 Method of Installation of Busways& }- X; y, P# y/ _: `
12-2012 Reduction in Size of Busways
; e/ v b: M& n3 I* F9 Y12-2014 Length of Busways Used as Branch Circuits
! T% ^" E9 U: p& `! P12-2018 Taps in Splitters+ u& R9 ?/ E& j, n
Wireways
) _- w) c! S' M: D* `: ?12-2104 Conductors in Wireways
+ {$ `% K3 t+ B, [7 E6 \12-2106 Taps and Splices in Wireways
E4 D- o8 W8 p3 J9 m( j Cable Trays. F' _/ H! w- s3 J' \2 Q) R
12-2200 Method of Installation (Appendix B)3 N r8 ~7 k( U& C* o
12-2204 Joints and Splices Within Cable Trays
8 ]- o: y" a$ ?8 W! p# c- _; T: P. T4 {12-2208 Provisions for Bonding' U* f# T. n* c: w! p
12-2210 Ampacities of Conductors in Cable Trays
; z0 N" |0 E2 c( ^; ]Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
% t" o2 G- ^( d" P4 I12-3000 Maximum Number of Outlets Per Circuit5 ^+ M6 t/ }6 i. K( o
N 8-304
4 ^4 o6 \9 _- p3 l1 ^2 K12-3002 Outlet Boxes (Appendix B)
* X1 E; J- j2 }6 vN 12-3000
( X" n# l7 |3 s( o1 g" Z3 C12-3004 Outlet Box Covers- R) I; t2 c# u! w4 G' ?
N 12-3002
L! w5 A6 Q8 H/ h) Y7 k12-3010 Boxes in Concrete Construction3 E" k5 q+ v K" E% \+ K v4 J7 ^/ s
N 12-3008) C, o' d% I! w( O, L @
12-3012 Outlet Box Supports. W! @, ~) p3 G5 D9 e( p9 z& O
N 12-3010
4 t- @ s n* d* M$ U) B12-3016 Accessibility of Junction Boxes
: A. n* k. ?$ }! K% n+ \: `N 12-30141 d) S8 S+ ?: d/ F
12-3018 Flush Boxes, cabinets, and Fittings5 y5 j' c6 c: D+ A
N 12-3016! t6 O( }. ?! j; r5 O9 u4 }
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
2 v" H$ U) P3 X/ ?N 12-3022
7 o( Q$ ~# g1 I( J! F12-3036 Maximum Number of conductors in a Box - Table 23
/ |5 {! X \# F8 m q7 xN 12-3034
# \& k. o& Z0 }3 l$ E! U5 q6 ]12-3038 Pull Box or Junction box Sizes, m( ?' I+ s( L" c: s Z/ F
N 12-3036
; ^ j$ m( z) ?, G
5 ?- A' D6 @$ @8 @1 V" E$ jSection 14 Protection and Control' M8 c1 ?( |: V0 @$ J9 X7 A4 d, a
General Requirement% G; M6 t. }! r2 p( u6 Y
14-010 Protective and Control Devices Required
* _/ Z' ?9 r, J+ N( E( A; ?14-016 Connection of Devices! w! L- h7 I- `* e
Protective Devices – General
- K% j$ R: T4 h 14-100 Overcurrent Devices Required7 x. |, ]1 \8 f1 P9 _1 q6 e' I( ]
14-102 Ground Fault Protection (Appendix B)6 z3 u. Q) F& g& m6 n9 k# N' E: s. {
14-104 Rating of Overcurrent Devices (Appendix B) Table 137 w$ J- U ?" G! I W
14-112 Overcurrent Devices in Parallel! g0 x9 M" E4 P1 Z! V
Fuses
3 q) t/ O6 @6 c14-200 Time-Delay and Low-Melting Point Fuses0 B, [4 D O6 W! K
14-202 Use of Plug Fuses
1 J& P& \' X% f4 K/ H, k( _. b) F14-208 Rating of Fuses( |# k/ R6 q0 u9 N; M& G' ~9 y
14-212 Use of Fuses (Appendix B)- D. Q9 ?+ j2 }6 m6 ?& U
Circuit Breakers
6 b- x+ G* V/ \14-300 Circuit Breakers, General
) Q: ~6 ~1 E7 m3 E8 i) b14-306 Tripping Elements for Circuit Breakers
& J$ p; I) V- M6 g( q4 E" K& w14-308 Battery Control Power for Circuit Breakers
1 e- b. q' i3 n" n6 l& U. jControl Devices - General
/ {( s: j2 H S7 M14-402 Disconnecting Means Required for Fused Circuits
, i) `4 g: v: p& FControl Devices - Switches+ v* u6 L2 U( i# S
14-502 Mounting of knife Switches0 p2 D' `7 r# t' w$ M
14-504 Maximum Rating of Switches5 ]: `. M9 l" D- n/ @) |2 Y
14-508 Rating of General-Use AC/DC Switches (Appendix B)
4 w5 d) ~3 F) P; g% J* P! C3 X+ `8 Q- J14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
' E$ u. Z& y$ ^' r' p T4 mSolid State Devices
5 T8 ?6 j! r+ G* j0 w14-700 Restriction of Use
8 x) H, m3 |! a14-702 Disconnecting Means Required
% i8 g# j9 q$ h$ w
8 q7 R. `$ j# F, g; w& I' q8 wSection 16 Class 1 and Class 2 Circuits. Y5 f8 w+ w' V+ ]
General
- {7 J7 T3 R, A1 J16-004 Class 1 Extra-Low-Voltage Power Circuits |6 B/ u& k/ Y5 c2 |
16-006 Class 2 Low-Energy Power Circuits
8 H9 w0 _6 R. c) S9 N16-012 Circuits in Communication Cables
. y0 Z2 l% s1 ^, f2 ZClass 1 Circuits
- N; F$ c, w5 Y# w2 J16-100 Limitation of Class 1 Circuits! S) \5 l0 }& a6 z$ Y' E
16-104 Overcurrent Protection of Class 1 Circuits9 Q [; Q+ W; `4 c. O1 R
16-106 Location of Overcurrent Devices in Class 1 Circuits
) q1 @3 d. D* X- m16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
8 W; r; G. u( z' A% e16-110 Conductor Material and Sizes
, {& _4 h8 i& [6 l# k8 c16-112 Insulated Conductors for Class 1 Wiring
1 u) F* Q2 ]. c! ` ?* `Class 2 Circuits
( O! ^# ~+ O+ c& I1 L16-200 Limitations of Class 2 Circuits (Appendix B)
" E' K, V+ e5 L+ k16-204 Marking9 H$ U1 w8 m' u( H8 @
16-206 Overcurrent Protection for Class 2 Circuits
( J- ~" k7 |& N$ l, x16-210 Conductors for Class 2 Circuit Wiring (Appendix B)1 x4 V# F3 P" d; I
ELC: extra-low-voltage cable
+ c( v) w6 s. I# h, K16-212 Separation of Class 2 Circuit Conductors from Other Circuits* l+ z7 `" A5 L! _0 t% F! @- t4 D( R
# r4 r& k8 \; B; K! U8 h3 N7 }6 NSection 18 Hazardous Locations
, x F6 h( [1 hScope and Introduction
/ o7 s. V1 r4 e- o18-004 Classification1 A4 O2 p |) q# ]3 a) S
18-006 Division of Class I Locations (Appendices B and J)
+ j# r T7 S' a6 G1 V18-008 Division of Class II Locations (Appendix B)# q+ \3 f4 R8 \
18-010 Division of Class III Locations (Appendix B)
* k! g2 f3 r! ^# ^' Z- cGeneral3 c* T# I+ Q6 r- H
18-062 Metal-Covered Cable (Appendix B)' I' d# i4 O0 y ^
Installations in Class 1, Zone 1 Location
( @/ s0 R5 u6 z5 j' w: G; s18-108 Sealing, Class I, Zone I (Appendix B)
% {! k/ W( r- q: ]. i7 W$ o2 M) `* }- k. | D \
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
Q6 q# J; U1 H2 ZGasoline Dispensing and Service Stations, b# V) Q3 ^3 y- H
20-002 General
# [% o5 ^6 z% s/ R" h) c$ M' p20-004 Hazardous Area (Appendix B)
: R# U; T5 ]" r; o jPropane Dispensing, Container Filling, and Storage
7 X4 H0 d1 G8 G' B' `3 f( V5 X& V20-034 Hazardous Areas - Table 63
/ [% G# {" a( z0 Q9 O2 [4 ~Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
6 y; l. s9 @, k& J2 }20-062 Hazardous Areas
! h; `% a5 h G- m) T% k, ~Commercial Garages – Repairs and Storage
$ n+ s* _/ H; T; l7 A! e/ n20-100 Scope
3 t6 C9 ]; [# N3 H2 w+ }% V! j$ _- u20-102 Hazardous Areas (1) - |; d* H1 N: l7 Y& C* A$ p
" R1 b: r! U6 @* U" Y7 W
Section 24 Patient Care Areas( h. e% r" w% p1 Y3 N% ~# N
24-000 Scope (Appendix B) W, E6 k4 U% P
24-002 Special Terminology (Appendix B)) ~6 `4 n4 T9 d6 `% L( B
Patient care area% i1 N ?% F/ J* x6 q, {( t3 y
Patient Care Areas \! U, Q4 u: @
24-106 Receptacles in Basic Care Areas (Appendix B)8 L3 E: L' r3 E! m: V
Isolated Systems
. X0 Q; F& i3 x" R( f2 q+ p24-204 Single-Phase Isolated Circuits (Appendix B)" \( a8 Z+ Y' ~1 P! u* O& C
24-2060 }/ P& U+ E" L% h+ I3 L7 n
* F6 Q0 t: ]4 k ?
Section 26 Installation of Electrical Equipment
! r1 O) K: y' `. AGeneral
/ T( E# r' X( @* h/ b( ^+ O26-004 Equipment Over Combustible Surfaces (Appendix B)& T" m# m8 K' s2 [7 |- @
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
; U9 `% Y( l4 M Isolating Switches
+ N/ f4 R+ t$ W3 \4 |26-100 Location of Isolating Switches
7 g& K+ K; I- C3 z, U5 k1 l$ U, mCapacitors
1 a4 v. n4 g# e# o26-204 Guarding of Capacitors
% I& w5 F5 Z' l A m! u26-206 Grounding of Capacitors
! k6 p: f1 e" Z. H0 f2 E" P26-208 Conductor Size for Capacitors
4 y* h, O! Y0 o' f1 D26-210 Overcurrent Protection (Appendix B)% I' S! y( C4 z, e: K
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits A0 O9 K9 J4 y3 d
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits ^) o0 X' _# Y/ |9 Z: ^
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
2 e& f7 r" Q5 ]7 X; o/ ?4 _26-218 Special Provisions for Motor Circuit Capacitors: R0 W s4 s2 E# ?% i3 c6 U
26-222 Drainage of Stored Charge of Capacitors; p# i" `! W+ t5 y% t
Transformers
t* s) `6 C2 a8 b2 ~* B26-240 Transformers, General
7 F1 P. s" o, s2 C3 @26-242 Outdoor Transformer Installations; k* s2 M1 ]6 j4 X
26-244 Transformers, Mounted on Roofs (Appendix B)* t1 n/ M; b/ ^$ q r/ T0 K
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B): n3 `& i1 M5 p- z- a- @+ T
26-248 Dry-Core, Open-Ventilated Type Transformers5 ^0 F7 [1 y* A4 d
26-250 Disconnecting Means for Transformers% k4 W5 _6 L6 V; z) G$ }/ M |5 N
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
9 @: y5 e2 w. p, w26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
3 e7 {2 [; N- [3 U0 `9 U26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
' x/ o( q# P' Y26-258 Conductor Size for Transformers' U$ ^$ m7 l- t c9 d
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)' j6 Y/ S5 T( `4 Z) w9 \9 Y
26-262 Marking of Transformers
* b5 [3 {0 G0 [7 n+ _) I26-264 Auto-Transformers
4 `- G C; F& ?1 B/ KFences7 m: n( e' r( \ \6 S
26-302 Clearance of Equipment - Table 330 a$ \( E$ g& [! ~
Panelboards$ \0 D4 @% l5 ]5 h6 {% v6 V0 T
26-400 Panelboards in Dwelling Units (Appendix B)
0 B1 V' D7 m) \/ L& l& X/ v+ x26-402 Location of Panelboards (Appendix G). }. i( R0 @, Y- h9 P
Lightning Arresters
0 i$ O# B1 w" ` K E q/ T26-508 Connection of Lightning Arresters
& C; b- L) Z5 ^$ i0 yStorage Batteries, M$ G3 W6 i: M2 f7 Z
26-542 Special Terminology
/ ]5 f" b, o' C: @% @4 Y/ {; J26-550 Battery Installation& k1 ~' T r( j7 M
26-552 Wiring to Batteries
) @. j6 S/ c V; Q' @8 _5 k; a) gArc Lamps/ `$ e: P8 x) |! `6 p1 n6 L$ z* S3 J8 V
26-600 Location of Arc Lamps
* `! `2 w: f/ c26-602 Conductors to Arc Lamps
q7 B) G& k# t/ Y26-608 Globes and Spark Arresters
( y4 h) k: Y* d0 d6 h& j! L8 eReceptacles
: Z2 R/ a" h# k# A$ ?26-700 General (Appendix B)6 g* T6 w2 i1 h J. M0 _, T
26-702 Receptacles Exposed to the Weather+ A7 k- g& @" p6 w
Receptacles in Residential Occupancies( g8 \- Q& U/ \: p
26-710 General (Appendices B and G)
4 k n$ r4 {7 o8 K; }+ ]2 Y26-712 Receptacles in Dwelling Units (Appendices B and G)
# c2 \; x0 j4 L: T/ G! t) a26-714 Receptacles in Single Dwellings (Appendices B and G)8 ]0 K8 J& n5 F7 k7 ^; a
Branch Circuits in Residential Occupancies
3 Q+ _6 Q. z4 U( ]: `26-720 General
( x; }: J7 B! q! }26-722 Branch Circuits in Dwelling Units
- U. r& z- d% l26-724 Branch Circuits in Single Dwellings3 ~3 U* W2 w8 S4 a8 ?$ d$ d4 I7 a
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)' a; l& k3 q( e8 E0 B. z" c
N 26-720 (F)
9 p- b* n' H3 F$ C% h* [Electric Heating and Cooking Appliances
% [1 ?9 M. n9 Q9 I) c26-744 Supply connections for Appliances( J2 R \7 Y- Y# z8 w
26-750 Installation of Storage-Tank Water Heaters
5 M1 t; Y9 U0 ?; i26-752 Infrared Drying Lamps3 _& q5 p. E9 ]' r2 D- D* u
! _$ a* l$ {. z5 }# g" U, T' C E
Section 28 Motors and Generators
0 z0 x; ~; J1 o7 q1 qGeneral
( f# |5 C+ ^( S0 ]. l5 F5 G28-010 Special Terminology* S1 L+ {& N2 ]# y
Hermetic refrigerant motor compressor
3 a6 z4 |; M! f0 q' oLocked rotor current rating# J) Y! y) V$ i8 O
Service Factor% E3 S( s& e+ e, G3 D
Table 44; Table 45; Table-D2
- x$ N& \9 Z/ ~Wiring Methods and Conductors
) F0 W% n7 u; p28-102 Portable Motors: X4 t! a) ^- O# W( L
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity( J0 U/ g/ ~' F# Q. |, }9 @9 ~
28-106 Conductors, Individual Motors4 D c C3 q* Q: T- _3 k, V' b
28-108 Conductors, Two or More Motors# @% f1 X4 B! k
28-110 Feeder Conductors! j5 |/ n$ P, g) n8 D
28-112 Secondary Conductors
m% f4 L9 n8 r8 \+ f+ g# wOvercurrent Protection: X$ r' u4 c5 c2 o
28-200 Branch Circuit Overcurrent Protection8 l8 t0 ?% o: g, n
28-204 Feeder Overcurrent Protection
' M7 @# ~5 G- |- T28-206 Grouping of Motors on a Single Branch Circuit# Y9 X9 [! i! `4 r& S, ?: }
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
+ ?) [; `4 c7 n3 J( U& ROverload and Overheating Protection
, v8 k. q' Q/ D7 H) m; A- R$ ^+ o28-302 Types of Overload Protection
5 ~9 c" Y- K, {9 V# C28-304 Number and Location of Overload Devices (Appendix B) Table 25
! K! A& B9 d1 }7 v, q( O" F# ^28-306 Rating or Trip Selection of Overload Devices (Appendix B)
% ?, s2 s( @9 i+ [/ P$ g: s28-308 Overload Protection Not Required5 h7 ^! c1 C3 L; }/ a
Undervoltage Protection
5 a S9 F- S3 B28-400 Undervoltage Protection Required for Motors (Appendix B)) ?2 |6 y9 y( V* c% V
Control
j9 F! i0 x: j4 H6 j; B3 e7 U; m. a28-500 Control Required
- ^% U1 Y: ]* s0 d: g- i( J28-502 Control Location- T( B) A$ [3 O/ N; S, \8 Y
28-504 Starters Having Different Starting and Running Position1 ]; i+ h! V+ |
28-506 Grounded Control Circuit3 k: h( Q$ s) S6 i& r# [9 t& t6 z5 \
Disconnecting Means
0 i8 H1 x0 j5 B0 i28-600 Disconnecting Means Required
/ [! L5 E$ E% D6 Y, G+ i g28-602 Types and Ratings of disconnecting Means (Appendix B)8 e' I% R* W2 k
28-604 Location of Disconnecting Means6 C0 w8 K( I) ~! J, k) _6 j7 _
Hermetic Refrigerant Motor-Compressors* S) z( M# I' ?7 a9 p8 v5 U
28-706 Conductor Ampacity
1 X0 y0 V$ t! O) L28-708 Overcurrent Protection
; U1 v( X' ?6 w: H4 |( R28-714 Disconnecting Means- M4 U* |" Y6 `) b' t3 X
Protection and Control of Generators! l, i0 x+ X0 {2 v
28-900 Disconnecting Means Required for Generators$ f {% o2 {. j) F( ?
28-902 Protection of Constant-Voltage Generators
% p- B" J# a+ M3 X( w2 e- W28-904 Generator Not Driven by Electricity% y7 E9 v% d$ l
28-906 Balancer sets
; y: h+ @7 v: R2 a8 h28-908 Three-Wire Direct-Current Generators
% i7 l, m7 D! r) E, @
8 h/ L. M2 m$ KSection 30 Installation of Lighting Equipment
* \2 f/ ?# q `# h* e30-002 Special Terminology (Appendix B), O$ M" u' \- c# K7 k! R* ]
General
h" m! r' ?1 L! m30-102 Voltage
" Z* q( L6 r+ J3 R30-104 Protection (Appendix B)2 b+ o, q) {% {- c! @) B+ S1 |
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment/ D% ^% Y& N; ^/ }! B& @9 C8 o
30-108 Polarization of Luminaires& b) l. |* M# e
30-110 Bonding of Lighting Equipment5 ` |) f# @! Z/ D
Location of Lighting Equipment; n7 _+ q5 d( g0 d" n7 U" E; c4 a
30-200 Near or Over Combustible Material
, x- p8 h; `; h% L30-202 In Show Windows
v) h) `# o0 t2 S1 u8 H30-204 In Clothes Closets# {$ A( a+ h1 D* A
Installation of Lighting Equipment
7 ~( P* |; X/ w30-302 Support
# y8 O# c4 |, c' a; u& g30-304 Outlet Boxes to be Covered. R! R' c' f( G- z9 j4 X0 e
30-308 Circuit Connections" E- u, p8 G C, c. f% ~' F' j6 C7 A
30-310 Luminaire as a Raceway. ~# ~2 K9 z! Z
30-314 Minimum Height of Low Luminaires
3 G6 m |$ b9 w; d% [( [. l30-316 Luminaires Exposed to Flying Objects% U* B/ B7 O4 E, F
30-320 Luminaires in Damp or Wet Locations
8 X/ E9 |' e1 mN 30-3183 d1 G! T/ [* o3 G' V: z
Wiring of Lighting Equipment
. e: S0 L7 `! c30-400 Wiring of Luminaires
9 Y2 i3 C8 K; o. V" J' M30-402 Colour Coding7 ^7 |+ Q# w- g" L
30-404 Conductor Insulation* F3 a# f" h# c: e# _2 l' e
30-406 Conductors on Movable Parts- m4 {! |, T ?* N2 T% N
30-408 Wiring of Ceiling Outlet Boxes
! w) o) e9 k# V M( L' K0 Q0 m30-410 Wiring of Show Window Luminaires
6 h( E( I" K, y% o30-412 Tap Connection Conductors
; d3 u. n2 j' @& RLuminaires in buildings of Residential Occupancy
1 S$ `. y8 t4 [7 V7 R30-500 Lighting Equipment at Entrances (Appendix G)
/ Q2 ^* y* F) L W. K- F1 l; z$ ]30-502 Luminaires in Dwelling Units (Appendix G)
7 B* V( e, z/ g) I, R0 r2 ? b1 H30-504 Stairways (Appendix G)
* v" f+ }5 F( X( K( i, T30-506 Basements (Appendix G)
1 V6 E2 \, O! K! }) Z30-508 Storage Rooms (Appendix G)
, g5 N) J7 ~7 X8 f ~3 m& ~1 C. x: C30-510 Garages and Carports (Appendix G)
- c! Q/ A% w" KLampholders# T' @( s+ j: Q* ~
30-600 Lampholder rating with Incandescent Lamps
# e1 V6 \% V0 j% y7 t: n% CN CANCEL' U, \- N; I# I3 {2 V% G$ M$ r
30-602 Connections to Lampholders
" u6 ^' \' f8 @! S0 y) r( [N 30-600" F; t# L0 a/ V4 T- |% F5 {
30-604 Switched Lampholders Used on Unidentified Circuits
- d |$ o {* M6 f: w: j# tN 30-602& M. E9 E) V7 l5 ]
30-606 Switched Lampholders with Pull-Type Mechanisms
7 v. c& F* K$ w; nN 30-604# s1 _( L* I4 d. s: S
30-610 Pendant Lampholders, c& a) y2 b+ y4 _
N 30-608
$ T9 V5 k& ^- A* g0 fElectric-Discharge Lighting Systems Operating at 1000V or Less! R: b. O& |; s
30-710 Control (Appendix B)9 Z v; X0 G' H) }: d" F
30-712 Branch Circuit Capacity- {4 k1 ?" ~5 ]$ K8 ]
Electric-Discharge Lighting Systems Operating at More Than 1000V
# Y+ E( P2 L9 \$ [( F30-802 Voltages, Dwelling Units: l* r# O* _: n/ S; t
30-804 control (Appendix B)
2 q1 R6 c0 w% GRecessed Luminaires (Appendix G)' V* R1 u8 W7 f1 V7 {- O
30-902 Spacings for Non-IC Type Luminaires
8 O7 Y7 a; w+ N# ?8 e s/ L30-910 Wiring of Recessed Luminaires (Appendix B)9 I5 i; S5 F8 [
Exposed Wiring for Permanent Outdoor Lighting
9 d2 h6 v* X6 y# j- q1 D30-1120 Branch Circuit Loading and Protection2 ~1 e9 H, z3 E
Extra-Low-Voltage Lighting Systems
# g' M% {7 t0 B8 P30-1202 Sources of Supply
- \% i6 s) n' w
( g+ ?' g+ c& t G& y& ESection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
5 B$ H6 k& W5 f) F# _9 m! |2 T) gFire Alarm Systems
& t% t# q! w% R7 j32-100 Conductors0 r w* o: Q3 e) P
32-102 Wiring Method
8 g. _' ]; ]. ]! f ]32-104 Equipment Bonding
6 [- g1 P, O0 c; A' \9 q& @32-106 Electrical Supervision
) t3 {( I: _& ~2 l: N! t32-108 Current Supply
- Y2 b2 R# b- z; L8 \32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
, z1 s6 A+ F. a E( QFire Pumps4 ?( c5 K0 ^9 l1 G5 ?
32-208 Overcurrent Protection (Appendix B)
( g, A6 T: c. _; {N 32-206
y+ h' r! o! s, n* u% Z4 F: |+ V' ^32-210 Overload and Overheating Protection (Appendix B)5 ?( w0 [7 {9 L9 k$ o
32-212 Ground Fault Circuit Interrupter (Appendix B)
4 e! D6 s L4 F2 ?9 p
4 X! L& O! M. A% G2 d1 kSection 36 High-Voltage Installations
* l; H4 @ q# D& Q6 M( WGeneral4 E) }% j( a3 `0 W* @1 H# Z& F% P# T
36-000 Scope (Appendix B)
i2 ? B% d9 }. m: ^) \36-006 Warning Notices
" R; B; s+ j0 h$ z8 E' uWiring Methods9 y) [1 j( C2 }, g5 l" ?% A
36-102 Radii of Bends+ r2 ^9 x! \, A% J/ J9 L4 v
36-104 Shielding of thermoset insulated conductors
! A8 k/ S) |% j0 r9 R36-108 Spacing of Exposed Conductors (1) table 30, table 31
* V8 v. }+ ]# w; z2 [* `* Q! A' G36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
5 L v/ B8 j" d% R% e DControl and Protective Equipment0 k* T" R- i; i
36-214 Disconnecting Means
0 a, v" _& y0 J5 _ Grounding and Bonding
) w9 G' f: m( X9 f+ N36-300 Material and minimum size of grounding conductor and ground grid conductor and connections3 ?' P! n7 {, F6 B; w) A0 g
36-302 Station Ground Electrode (Appendix B)& r* S) A1 Y( E, Y( m5 Q( D3 Z
36-304 Station Ground Resistance (Appendix B)
: `% L8 D! A; ^* _ S1 T36-308 Connections to the Station Ground Electrode (Appendix B)6 R' p) J: t2 ]/ T' }3 }+ ?* x) }6 l
36-310 Gang-Operated Switch Handle Grounds
2 r# r% S* }3 X+ `5 o$ u36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations: R) c2 X8 L) ?- k* h) T$ A
, r3 k: P8 S4 qSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
" O. ], B( \# i; C38-002 Special Terminology (Appendix B)
9 ]+ B0 r, I. W0 a3 ]38-003 Voltage Limitations (Appendix B)
5 B& K$ x9 p. A+ t38-004 Live Parts Enclosed* ?+ [. J* Y$ ]$ `* g, A N
38-005 Working Clearances1 x8 Z6 b( b+ {7 _4 j
38-011 Insulation and Types of Conductors% _0 N5 x+ {. m9 t
38-012 Minimum Size of Conductors1 v5 T3 C# q6 c1 v+ U8 E# W, d' r/ v
( Z' O. F% O( l
Section 40 Electric Cranes and Hoists
+ ?! U8 J! A" h/ M7 a9 t* @/ \40-008 Disconnecting Means x) r1 c& w4 a* Z6 X& f, G& t
40-010 Main Contact Conductors% I4 E) f3 s: x5 R/ }' Z2 b
5 ~! F4 i2 r" l
Section 42 Electric Welders
( G# r. S+ E$ L: v+ K" UTransformer Arc Welders
3 t3 u6 H u2 {1 e% f, r42-006 Supply Conductors
1 L1 w# w+ {$ E& ^; g' i3 H# e. ?* m0 v8 P6 h, m" {
Section 44: Theatre Installations
4 Z. B& v- j; Y1 M' M6 Y" dGeneral. u3 W1 q% G+ k4 Y" V
44-104 Number of Conductors in Raceways6 Q# n4 I( [4 Z \# S1 b8 Q
44-106 Aisle Lights in Moving Picture Theatres
/ |/ ]. S; `! C1 P; \Fixed Stage Switchboards
' C* l$ R! H( E# Y9 j& X/ p. x44-210 Overcurrent Protection# r% M$ M" P/ w, \7 N
Fixed Stage Equipment2 D1 i3 P. @ H
44-324 Receptacles in Gallery Pockets
; \. k" P1 j& F# V; b w1 t44-326 Receptacles and Plugs. c2 v6 n' K) I. w6 B! S- T0 D
! R% {6 L) z3 |5 S
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
/ y) E1 O& X: _9 g9 _4 [+ yGeneral% i3 U/ Z# \# b. C* m: n1 P3 C& t
46-102 Instructions; m. B8 \: A6 ~; |9 g
46-108 Method of Wiring (Appendices B and G) q1 _% |3 A4 x0 O* n9 b7 A
Emergency Systems/ K9 g4 N. o* `; @" P4 y2 @
46-202 Supply (Appendix G)) O; K! Y: n1 { Q7 U- r0 y4 }
46-204 Control
7 E7 p# P; s4 H+ t% {* n' r) q46-206 Overcurrent Protection
+ j; Q2 }/ v' i: U1 W3 q46-210 Remote Lamps
. {: Y7 h( W) R* x* A' [Unit Equipment' Z1 X0 ?; W+ A; ]- x
46-304 Supply Connections
% m7 T6 k' I% T& B3 O' y# V46-306 Remote Lamps (Appendix B)! `; }/ V+ t o$ |% y8 T `, h. J
Exit Signs
, S* g; I5 \4 E6 A) B- `2 f46-400 Exit Signs (Appendix B and G)# N7 j4 z, Q4 l
. S: K" n# W0 I; A4 I: vSection 54 Community Antenna Distribution and Radio and Television Installations# T P g' O+ y& e/ e0 v
54-000 Scope
4 I+ p+ C0 ^: w54-004 Community Antenna Distribution (Appendix B)& Z6 S% ?0 U3 G/ U3 s' G
Community Antenna distribution
) T2 R$ F- x8 W$ V. u54-100 Conductors; `) n, B- V6 l
54-102 Voltage and Current Limitations (Appendix B)/ A6 d& y, P9 X n! b. d. ]
Protection
5 B# f+ V, I- H6 P54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
0 y3 u) h( p( ?$ X% s, v- MGrounding5 m6 a5 J1 g. F
54-300 Grounding Conductor
& `" c4 }2 i" a+ y* hConductors Within Buildings3 Y. Z- l; k. W6 ^
54-400 Separation from Other Conductors
. E) `- d" m: H" e' u- \3 e& k* U* MEquipment
5 |2 O5 G, X! f$ j54-500 Community Antenna Distribution Amplifiers and Other Power Sources
9 [8 z8 W5 b( q5 y54-502 Exposed Equipment and Terminations
! r6 {* }! F: k: A$ c" I
* U' Z! D# I# T& b$ ?Section 56 Optical Fiber Cables2 h' r* g7 ]) M. Q* L
General+ F ~( }. o; A" P* [7 y1 J+ s2 t
56-100 Special Terminology8 f' w- @# k* r% a
56-102 Types
' o" s/ B% n+ [1 mInstallation Methods
/ n: M+ {, ~8 C9 ?; r6 G3 G5 w3 k56-200 Nonconductive Optical Fiber Cables (Appendix B)
" q# o8 D5 o4 e/ k5 y& `/ {( m0 D56-202 Conductive Optical Fiber Cables (Appendix B)
% w1 j! \; y! k& Z5 t# N4 H56-204 Hybrid Cables
, a2 o( }1 ?) B5 y( ?; s56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)" Z: m. N7 B1 ]' T1 b, _1 A& Y: e6 E
2 V2 u( z" O. E. \
Section 60 Electrical Communication Systems3 m8 g# C2 h0 l* K9 B" s% C! A
General% B% L1 D/ C5 W& B1 a6 E. F
60-100 Special Terminology
' Q3 }. P: F! W6 H; }Protection) Y& S+ y) |5 Y% N' k$ |
60-202 Primary Protector Requirements
( ]1 z' R4 G( n+ LInside Conductors
) u$ |8 |# I( Z! Q4 [5 r7 n2 v60-308 Separation from Other Conductors
2 v3 J" t6 G- a1 @: n3 ^8 AEquipment
$ t: @& M" m0 T60-404 Exposed Equipment and Terminations
: F, }4 ~: c- G( o1 nUnderground Circuits2 m! I, Y7 X4 |" t- d# v
60-600 Direct Buried Systems) N6 z9 o) v$ L6 P( D
3 ~8 z/ Y$ d2 n7 m# |8 f
Section 62 Fixed Electric Space and Surface Heating Systems/ H. F/ @1 [% U- `* A
General
6 f% ~9 d- }8 ^8 i \% ^6 Y62-102 Special Terminology' j; V3 p- j4 v7 r
62-108 Branch Circuits
' O7 ]3 }; Z# {& Z62-110 Installation of Fixtures" a: h$ W; P8 Y
62-114 Overcurrent Protection and Grouping (Appendix B) (5), d8 L1 @; O- i& X/ O1 j% B# \+ E
62-116 Demand Factors for Service Conductors and Feeders (2)
) A) A2 m! _3 K+ L. P62-118 Temperature Control Devices
3 r' F( I2 Z% X& r1 H62-122 Installation of Series Heating Cable Sets (4)(7)% J5 x2 e6 f( L! i7 R) L6 ?% }
Electric Space Heating Systems
+ I3 \) x- T' Y7 u7 _62-202 Temperature Control
! I9 x# C" v3 [5 W( _0 R62-206 Proximity of Other Wiring (Appendix B)* c& [) Z! [9 Q0 _6 K
62-214 Installation of Heating Panels and Heating Panel Sets J, e+ T, {7 ?0 p6 i
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
9 \; I# {( Q1 X: v2 T" [62-226 Installation of Under-Floor Covering Heating Panel Sets' S$ h9 V8 m1 R0 t: [- b& H2 j# y
Electric Surface Heating Systems5 j2 q- F* [- D0 H9 T1 i( e8 Q
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface( s! L% k! O7 `3 |' z }; S
. e8 [/ A4 @4 D! XSection 68 Pools, Tubs, and Spas
% A) \1 R2 \ uGeneral
$ }+ v0 @" T+ p% z! r68-050 Special Terminology
7 H. x; B0 w- c \# s1 ^6 d# U2 r68-056 Underground Wiring - Table 61
$ T% d5 Y) ^1 B7 y) O68-058 Bonding to Ground (Appendix B)& f L- k" P4 l9 u$ { z9 w
68-060 Junction and Deck Boxes (Appendix B)
' A9 {; @* L" H. S- M7 E7 y68-064 Receptacles
8 R; q( `" z8 s3 x5 [3 r68-066 Luminaires and Lighting Equipment
) ~5 K8 m; N( c6 S: N5 |# C- G4 h68-068 Ground Fault Circuit Interrupters (Appendix B)( Z! @ p3 L6 W( |: W
! ?7 g' K T, o5 ~, g4 k6 A' O
Section 70 — Electrical requirements for factory-built relocatable structures and 9 i* j" d. e" `) O7 e: u3 f, Y
non-relocatable structures+ y1 I8 k9 C% F }. i: k9 _8 o" c* X
70-130 Tests (see Appendix B)
3 W7 f& E4 D& F1 k. ~
/ |- ^: z8 H' k2 w% `; L8 L( X% {% USection 76 Temporary Wiring (Appendix G)) x+ H7 g; A8 x6 {# ?
76-004 Grounding9 n& F4 Q( @6 y
76-008 Service Entrance Equipment3 D( Z$ {* J% V6 X3 L; z7 ~( [, R
N 76-006: P. `+ G7 B1 t F
76-014 Branch Circuits& z7 p ~ Y( L
N 76-0128 Y* _7 F6 P; L% A# L* `0 y
) S# o9 ~ Z- C4 T" j3 j
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
2 {& B' K! U! {* aMarinas and Yacht Clubs
4 n6 Z# P, b) W78-052 Receptacles
; I" H N: j; |& e& o78-056 Feeders and Services
4 i: i h! U- j1 w6 fMarine Wharves, Structures, and Fishing Harbours
# ], T# Z: |! A& f H# |5 ]$ g78-106 Grounding and Bonding. Z I: o4 R" H% J. d
Tables
9 s2 p' `4 M, i1,2,3,4,5A,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
; V% j. U4 L' q. z3 O+ s G; ?( [7 O/ \- x! Q, D% M' Z
Diagrams: 1, 2, 7
" l4 ^8 E: F7 w( I" W) v3 S5 _8 W
Appendix B
1 O1 K V+ g5 B8 GP352: Ground fault circuit interrupter- 6mA& j! c* j, `7 T
P354: 2-126 FT1, FT43 ?0 v) C. d( z: E# K' n
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
7 }4 }8 r5 ]$ {* {# nP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1). ?6 f* R) H. F* m& x" G" R
P370: 12-1012, 1118, 1214 Example:
" v# N0 m) V! y9 X& X8 EP371: 12-1108; U( m3 p+ _" l; ^1 z
P381: 18-108(1)(b), 18-158(1)(b)
% }# {; F+ X ]) V8 D" l5 gP386: 24-2060 I( _7 F/ `# A$ i) f6 S
P389: 26-2560 _- Z& |5 v3 j5 a; s2 k% l
P391-P393: Section 28, Example to determine Motor Conductors and Protection$ C& s1 C# I2 P# T5 \5 R
% `! A7 ^" s% `- Y) t$ d$ G
Appendix D7 b8 o, Y0 b* w4 a. p" m$ c
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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