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Canadian Electrical Code Review Guide1 ^+ U: \; e! Q# ^; s/ e+ S' T
For the Exam of Electrician For Red Seal License
# ^- i9 d" t/ { K4 }% W) q9 B% U, A K0 q
Lesson One" d- Y8 o+ u: |, V$ b' ~
Section 0 DEFINITIONS
) @) c0 s" E* YThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:1 p1 G7 ]( h# x! n) |0 K7 U
Accessible as applied to wiring methods+ [$ l0 \3 @' F! m
Alive or live# q* F+ m% X7 Z, Z5 D% V
Aluminum-sheathed cable/ {/ @, _9 k' S
Ampacity! Z" O) e! y* \. M3 U
Authorized person
1 \) N) G9 a* h5 tAuxiliary gutter
. u) ?: o; M! r A" }% n8 EAWG N% k7 Y8 D8 m" D5 L
Bonding- K+ s0 L& h3 z. c
Cable tray8 e0 f( w3 T, @; Y! o( A
Cellular floor
' w. z P1 i: l! tBranch circuit; {6 H3 |/ o4 u/ s5 u a' m
Bus
/ M6 Z, b# T: r; K b. ^; v( `; xBusway& R' l, U* D: T) X/ |" I, A" ?+ d
Communication circuit! o) U$ K% M) ?- k
Extra-low-voltage power circuit
3 v. q; W; N* l% B1 K5 O/ QLow-energy power circuit
8 Q% K- p& Q4 Z) C' S+ @7 D8 VMulti-wire branch circuit# \# c6 M. n9 f, S$ ^
Remote control circuit
. z& l6 e7 Z5 h# GSignal circuit
1 a( U7 p4 {- F% z% w8 h! ~) C W9 X3 PCircuit breaker; K; S# a: v/ _" H6 }9 J" E9 l) D% c
Instantaneous-trip circuit breaker
- r: Y& |6 M; V" s$ fConductor# F7 U, C. ~7 B2 N* o7 _
Conduit- ^6 c7 P2 i9 p/ m5 }7 A3 P6 F2 x
Flexible metal conduit* q2 L/ o- }# n9 n" A) i8 b% Q
Liquid-tight flexible conduit) }* @+ \# j" e
Rigid conduit( i4 r% L, c9 F1 V0 x8 U
Rigid metal conduit5 Y7 H1 ~0 [" H f6 g% m9 y
Rigid nonmetallic conduit
$ V% F) D# e' d! ~2 @ Rigid PVC conduit
0 Y- g7 F9 p3 x" u% p: XConnector
( {% u) T) E% I# c Box connector
: h0 l0 @, g! p: A5 B Wire connector
8 F C6 j; b6 u4 j& @# K5 v4 CController0 J9 P& x. G2 f# W* Q0 ^
Disconnecting means3 q$ L, F$ G8 T& S
Dust-tight
1 H- J& u/ R$ c9 a+ y( b e( C( @0 QDwelling unit6 I( H. w, \. C- K# M
Electrical contractor
4 A9 ^3 ~% a7 ^, m) ^- aElectrical metallic tubing+ \& e h2 K) w' q/ W
Electrical nonmetallic tubing
; c- u* _+ u3 D9 l/ R, h1 GEmergency lighting0 C* e7 q$ d9 V
Explosion-proof
- o( i _, g% O3 U. r7 gExtra-low-voltage power circuit
6 h- q* n# d* y dFeeder
2 ?, [( q9 l4 G" X& `! VFlexible metal conduit
6 j R9 x% _, q1 g4 x+ oGround
" x# B- _3 N V8 N7 h; xGround fault circuit interrupter
2 J) Y) \5 w0 rGrounded
4 z* Y- N# ?4 p. I, l) _: XGrounding
' k# P$ `% I8 r" R, U+ i5 RGrounding conductor
! w" W! }4 q8 U$ x+ M- R5 EGrounding electrode
5 t2 y0 I; M8 P2 B1 @0 n1 n( N Z9 GGuarded
1 Z }. {+ q- J1 \$ rHoistway! V: I* y1 `) }4 ~! `; W
Identified
7 {2 P G9 k& X# @! k, YLampholder# ?% d j: ?7 C1 k4 A0 I3 a0 G
Low-voltage protection
- Z% S# M( E( uLow-voltage release
0 \4 E( q8 B! g6 LNeutral
! b8 `9 u) ~- |Noncombustible construction
/ C- g5 B( B- M( w: B# B# bOutlet
9 X( X# d1 T# Y. N8 A$ iOutline lighting
6 H1 h( `( O) ?0 NOver current device$ ^" N! }* U& E" ^+ \) {1 Q$ V
Overload device
4 \; ]/ w. n% hPanel board: v9 H" b* j0 b; T o7 `
Panelboard, enclosed
g# K2 c$ O7 A( p& wPermanently connected equipment
5 }2 D( R; p5 A* X5 Q7 _6 c! W6 N+ lPermit
, c3 F# n- h2 L4 w9 w, EPlenum# O* b5 {( ~1 T, r, k" y
Portable as applied to electrical equipment
% Q6 ^# \' t8 K9 y2 _+ D( V) S- xPortable ground fault circuit interrupter
& U5 X4 ^! X- ZPower supply cord: I9 n2 u E! C
Raceway
; K4 ~% f3 K, u2 ]6 N. q$ KReceptacle
# l4 t) M, _4 S; P. P5 W Duplex receptacle
5 q- X1 Y6 o( b! U9 @ Single receptacle; m/ i( L, o7 Z' X0 `: S
Split receptacle/ Y. Z5 r% E A1 |* E
Service, consumer‘s( e, P" q7 f( f# `$ j9 W6 Y# q8 V, `4 t
Service, supply
, c" _* W( L, V- o: M, z# ZService box7 _, `) Y1 z8 X1 u- V7 U2 p- U
Service room
+ }+ h1 W: X* U& f+ A/ C/ p- `Single-dwelling
4 R P, P: o, i7 G( rSlow-burning as applied to conductor insulation
5 |9 m4 B O* T( Z2 m/ t2 n6 VSplitter
! I- Z4 A# M/ b1 h9 [6 }Starter
7 s. k: T2 W' v( w) ISwitch: V/ j) @/ Y. o5 E
General-use switch9 c& Z) b3 P$ |3 h) `8 o7 I6 o+ }
Indicating switch
5 _, N4 D0 t1 s8 L/ j' B Isolating switch
) i8 Y3 s5 T& m0 N/ F Motor-circuit switch( p. k' s6 {* i! p( m# T0 J9 a
System
; X- i) i9 {! R" I" O Communication system
( j) z! A6 f1 \* {+ S. U( b/ A Community antenna distribution system(CATV)1 B! W7 |8 Y) b* n
Grounding system
- X N4 i& b" P K1 `; ~6 N0 rUnderfloor raceway
0 m7 d# a, e1 n" K8 JVoltage:
* A5 ^4 ~( T2 B) d* [ Extra-low voltage" R. D( B) J; c7 ^4 z5 m% }
High voltage: e8 a- ?% g' J) y
Low voltage3 ^- \! b' `; i/ `! W/ h0 \, ^7 j
Voltage of a circuit0 N( s9 X: X* _, @
Voltage-to-ground2 I+ ?' z! e' U, ^& h
Wireway
0 H4 X2 g1 h! R+ g
5 J$ x3 W' E* {# _# zSection 2 GENERAL RULES
& {6 N* n( B% q: m4 G& }6 G$ _Administrative0 W+ H4 h0 P$ Z9 i. ~! k4 I2 V! p
2-018 Reconnection
7 n1 q8 N! y! J5 C7 ?& T2-030 Deviation or Postponement
' {$ H9 s6 w' ` ~2 V6 vTechnical General' O9 ^( Z# h) k( Q2 ^3 t- u
2-106 Circuit Voltage-to-Ground – Dwelling units1 I& a) t1 R8 j! @5 `6 m
2-114 Soldering Fluxes7 S+ t. T. f: F
2-116 AWG Sizes of conductors
) \8 q( Q; H% m: a; j( m2-124 Fire spread (see Appendices B and G)/ m8 D* r( u# |5 ~; {
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)- i) k( @, B# J. ^- P- P
Protection of Persons and Property, v0 y: _$ L0 \! e x
2-202 Guarding of Bare Live Parts+ ~2 E0 ^3 ?# s x
Maintenance and Operation D, L9 @: M% n; c
2-304 Disconnection$ g7 A. g4 T4 p$ ^- d+ V
2-306 Maintenance of Live Equipment% U, |+ \/ Q' t1 I! x- y) E1 G
N 2-306 Shock and flash protection (see Appendix B)8 e$ ~0 v1 P' `5 ^% M% E# S
2-308 Working Space About Electrical Equipment: Table-56% h, F/ q! V. {$ n
2-310 Entrance to, and Exit from, Working Space
* P0 o' _. V. P( S- L! k. E0 z$ Y2-320 Drainage; P& u' s, p2 C5 Z6 [
2-322 Electrical Equipment near combustible Gas Meters and other Devices8 M q/ ^( C/ _* w4 z' T
Enclosures
+ u. a. c- F$ T0 C, P2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
; _. I9 B5 s5 \, m+ p/ }. L$ w2-404 Marking of Motors: DP, WP, TE' w' Q$ f% m1 l
/ J3 z3 l ]# o4 I9 ]4 m) oSection 4 Conductors
. C* g; _# M( F$ j8 t6 D4-000 Scope
W1 G1 @1 J5 s. H5 k$ W3 f& h4-002 Size of Conductors: 14#, 12#
# i2 a' }% F8 M+ V+ E+ n4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
# p( u" Q( k7 J2 P- i2 {4-006 Insulated Conductors: Table 19. e) m( F5 ~$ M
4-010 Uses of Flexible Cord: Table 11
* T9 K1 ^/ U2 u4-012 Sizes of Flexible Cord7 P+ {1 E; U6 G% L3 I0 j
4-014 Ampacity of Flexible Cords: Table 12' v# E, s7 Q0 l5 B: `
4-018 Equipment Wire. u3 f) B1 v; [5 o5 q3 u
4-020 Insulation of Neutral Conductors8 f8 t8 S+ o7 p7 \/ ]! a
4-022 Size of Neutral conductor
# |' s) v T2 T- z4 n+ ~% W4-024 Common Neutral Conductor
, _8 e9 E/ b1 b4 N, c" S4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
: E" C* _* F, H1 L4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum$ M1 q4 g, x8 C Q
4-032 Identification of Type MI Neutral Conductors
; q6 ^, \' _; _* k4-034 Use of Identified Conductors
$ C1 A3 @1 @' W4 ]* ]8 n7 v4-036 Colour of Conductors: Phase A, B, C, …
% K. u9 k$ v& q9 j* J/ Q/ ` @6 D b T3 s. Q/ B! Y, x9 Z! F1 [
Section 6 Services and Service Equipment
) e N1 g: ]" z/ s! |General
* W3 b& }7 [( I$ N# x6-102 Number of Supply Services Permitted
8 v) Z9 \ R E3 U- W! b2 i6 {4 Y6-104 Number of Consumer’s Services Permitted in or on a Building
6 B- q7 Y. M0 e) {3 x: p$ F6-108 Supply Service from an Electric Railway System
; h% w* s9 t. b( \/ S" ^6-110 Three-wire Consumer’s Services
0 p$ A" v# V/ v) _# S6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
4 q, a0 C; w# d; R) o6-114 Methods of terminating conductors at consumer’s service
5 z, g# f/ i( s, R* ^6-116 Consumer’s Service Head Location
; y4 `7 t$ {) h% EControl and Protective Equipment% x' J$ ~4 ?2 ` _2 ^
6-200 Service Equipment/ X: ^- p# ~3 U3 x! }1 l% B7 _
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)) z9 S) W) Z; X! c3 Z8 f
6-208 Consumer’s Service Conductors Location
/ H, r7 g" y; ]; p/ j) T6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches9 K- E* {2 N" J- J, D
6-212 Wiring Space in Enclosures
. Z8 `" A, c5 n3 e) [( ?6-214 Marking of Service Boxes
: c7 k3 i$ a) a" U+ ]9 B4 nWiring Methods0 v: \8 f2 m& j" @ O8 Q5 l5 z( c
6-300 Underground Consumer’s Services
! _: |: s7 g) a1 J6-302 Overhead Consumer’s Service Conductors, j- y8 E0 i) w
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
; h2 t3 p4 i5 q4 f6-306 Consumer’s Service Raceways W l6 U$ n5 Z4 D$ }, @
6-308 Use of Bare Neutral in Consumer’s Service) W- e9 X! K F" S0 p4 S& T: t
6-310 Use of Joints in Consumer’s Service Neutral Conductors
$ G( Y7 S$ {0 T, i) [; a6-312 Condensation in Consumer’s Service Raceway) d' ]) p2 J, x2 ~' U
Metering Equipment
" u, h" U4 E+ L9 i6-400 Metering Equipment
8 w) d8 O9 I! y: y' x# m6-402 Method of Installing Meter Loops% m7 ]0 w# g; [( g" m" e
6-404 Enclosures for Instrument Transformers
7 n. D+ |. ?0 f" F+ l6-408 Location of Meters2 J0 e% h! U: A2 G; P
- d) v$ E$ Y: l
Section 8 Circuit Loading and Demand Factors
8 ~0 [+ V8 \( w9 T" s+ x# eGeneral1 ~ g4 {# f( P6 L1 m
8-100 Current Calculations, F0 [- ^% `4 v
8-102 Voltage Drop ( see Appendix D)
# e8 |& {5 Q T8 ?7 T/ f; L7 ?8-104 Maximum Circuit Loading
) H* v0 m7 r$ x) y" y# F8-108 Number of Branch Circuit Positions
+ i! U9 z( ?7 Y8-110 Determination of Areas/ j: P" }8 N1 ]; F
Services and Feeders
3 E5 M5 k. M4 v! n0 U8-200 Single Dwellings (see Appendix B)
6 m; O p2 m: S; \8 y, n8-202 Apartment and Similar Buildings* x) g( d# D) Y) [
8-204 Schools/ a% A% e; ]9 N! o) R6 b
8-206 Hospitals
& \4 w5 m" o& e/ g# {8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
6 Z' S6 d/ o: c8-210 Other Types of Occupancy (Table 14)$ q1 y1 o( B$ U7 v" V
8-212 Special Lighting Circuits1 b1 o3 m+ M% ]5 t* }1 x; O
Branch Circuits
. L- U3 C: F5 i' M6 {+ e2 r* [8-300 Branch Circuits Supplying Electric Ranges
9 W. f/ G! o/ k# P# _. @' u; e) V8-302 Connected Loads I! a7 \5 x. l3 j
6 |" G9 T- ~& e3 S$ V9 LSection 10 Grounding and Bonding- p B0 f! S# N0 U: `" [: D1 M
Scope and Object: I. {$ h; A5 _" O) [ j
10-002 Object" }7 J3 d! u' M/ X( P8 h8 W6 W+ O
System and Circuit Grounding6 i7 r3 V6 f% _
10-102 Two-Wire Direct-Current Systems* C* u4 w4 O- @' W$ T
10-104 Three-Wire Direct-Current Systems
# g+ @& b y+ Q( z( l3 v10-106 Alternating-Current Systems) [/ t% u- `$ k* m: b5 e
10-110 Electric Crane Circuits# g. v W8 C1 O% t9 _0 W
10-114 Circuits of Less Than 50 V
, @+ s9 H" G" V/ v0 s10-116 Instrument Transformer Circuits
4 P% q' S; U3 D' z' s m' mGrounding Connections for Systems and Circuits
" k; |( H' O3 h& ?10-200 Current Over Grounding and Bonding Conductors
( M6 n; S3 M2 M4 n( U& T8 [10-204 Grounding Connections for Alternating-Current Systems7 R8 z" N# e6 y4 ^' p5 s
10-206 Grounding Connections for Isolated Systems
5 c) R/ L e/ Y0 _8 }% R10-210 Conductor to be Grounded5 K3 \4 L8 I1 r1 G& S+ K
Conductor Enclosure Bonding+ [, ~0 `, t- s6 Y* W
10-302 Other Conductor Enclosures8 p5 Q! o- `7 z. J( f; A( j
N 10-304
: W$ C6 S' f+ n1 Q" \% \Equipment Bonding
0 h* u+ M4 K1 P( G0 m G, M x p10-400 Fixed Equipment, General
0 p0 F: P* V% e. L$ }1 i10-402 Fixed Equipment, Specific (3), (4)
* G4 g1 ^: [0 j& C; V; D6 c; L10-404 In Nonmetallic Wiring Systems
; t) Q% K z$ J10-406 Non-electrical Equipment
3 E* _' z2 h8 H. }7 j; T5 z! d10-408 Portable Equipment (4)(b)
/ u: E/ \0 B5 w10-410 Instrument Transformer Cases$ @0 v5 L7 g# n
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less( ?# f) t# e8 U% g( [5 l5 ^" z, `
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V" V/ q% O( o8 r% k3 ?' j
Methods of Grounding
7 b3 _1 A/ f; M& U' b4 l10-500 Effective grounding (see Appendix B)
2 o/ I! ?9 A/ n9 Z8 N8 ]10-502 Common grounding conductors% Z6 V t8 }) j. ~
10-504 Common grounding electrodes8 q( H/ Y$ Z0 w& Y
Bonding Methods, U9 q2 A$ Q' i" P5 v c
10-600 Clean Surfaces3 U) Y3 c: s: M$ }
10-604 Bonding at Service Equipment: m( \( V* [1 q# P+ {& V, _# T
10-606 Means of Assuring Continuity at Service Equipment1 ]5 D7 }5 a( w3 x6 e
10-610 Bonding at Other Than Service Equipment
& A D* a- z1 j$ h9 i10-612 Loosely Jointed Metal Raceways6 P p3 _/ l5 l+ I
10-614 Bonding Jumpers Table 41
/ D4 [& x5 R8 r8 FGrounding Electrodes
" d C* d6 ?; ?$ S; r; V! ^7 Y4 ~8 ?% _10-700 Grounding Electrodes9 H' x9 M h2 g8 v- Y
10-702 Artificial Grounding Electrodes
8 l# i p* u( f# d# \1 IN 10-700 & 10-702
' [5 x. O* f- y, L# q10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
5 x2 ~) Y% v. m. `' h! YN 10-702
- H2 d5 A' ]# N10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding6 P. z( t! r! \8 H
N 10-702
4 }; z2 g- H' i) i& T; h10-710 Use of Lightning Rods (Appendices B and G)' Q8 W7 Q1 P! ~. a; `+ {) W9 c
N 10-706
1 J3 c1 }4 z: m" |Grounding and Bonding Conductors6 V8 U# _3 E( I3 H
10-800 Continuity of Grounding and Bonding Conductors
, \3 h& w9 n5 A6 C10-802 Material for System Grounding Conductors0 g+ m, ?% g9 Z, s& I$ Z \
10-804 Material for Bonding Conductors7 v- d# q6 h9 r# {3 F
10-806 Installation of System Grounding Conductors
4 u: t( l: G, E: W10-808 Installation of Equipment Bonding Conductors4 H! G5 T7 t0 j; E0 Y
10-810 Grounding Conductor Size for DC Circuits f% R1 z" p V/ j6 {& ?
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
* \% }$ R: C: `; [6 @ v( D* `10-814 Bonding Conductor Size (Appendix B)
* Z& d% G2 v8 K/ z5 P9 j% A10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
2 {$ K. u- O! [( {! M. t+ H10-818 Bonding Conductor for Outline Lighting2 P+ Z ~! t$ P) a! L# H
10-820 Bonding Conductor Size for Instrument Transformers9 ~; K# O7 z% z, k& ?2 p& w
Grounding and Bonding Conductor Connections
8 [; t. t, n6 P8 d10-902 Grounding Conduct Connection to Water Pipe Electrodes, T* @. {; f4 Q2 m* a; i& A) H
10-906 Bonding conductor connection to circuits and equipment
4 c* Z0 y1 I: ^! [' C10-908 Grounding Conductor Connection to Electrodes8 p4 W- K s' R
Lightning Arresters
2 H ?6 K# L; y7 q* o& E10-1000 Lightning Arresters on Secondary Services – 750V or Less
6 |, r# _. r$ f8 X
) w7 ?' @# ~% y, ?8 U9 RSection 12 – Wiring Methods' |$ [7 Z6 ]& C& H9 C
Scope( w* n5 a& a6 J
12-000 Scope (Appendix B)
% e$ p3 L; M) EGeneral Requirement
5 s) W, |1 S* p% P$ B12-010 Wiring in Ducts and Plenum Chambers
% u4 ?, C( e* A. F7 t12-012 Underground Installations (Appendix B)9 A1 e* \3 e1 a) U! `8 a
12-016 Lightning Rod Conductors8 ]0 K/ b" ?, s4 [
Conductors - General
, r2 ?) q7 I0 o# e& Q12-100 Types of Conductors (Appendix B) Table 19 p, Q7 Q5 s) L; |) I
12-102 Thermoplastic-Insulated Conductors2 Q' a7 C* X6 f
12-104 Flame Tested Coverings
5 D! u2 `% s% B5 h12-106 Multi- and Single- Conductor Cables1 h/ A8 Q+ |2 T( {
12-108 Conductors in Parallel (Appendix B)
* ]$ y5 D H" N; y12-112 Conductor Joints and Splices
: E5 N V8 A- ]2 y12-114 Ends of insulated conductors
8 P5 \$ V& s" z, ^% T5 e8 b% z12-116 Termination of Conductors (Appendix B)" k. D. \; `* C
12-118 Termination and Splicing of Aluminum Conductors
& H1 r8 }) F8 ~. w$ h; Y5 I: i. U12-120 Supporting of Conductors - Table 21
! V" O, V- u! f' t, n1 sOpen Wiring6 B! w4 m/ L/ c5 G
12-204 Spacing of Conductors
% w, d( y6 x" L% M9 A# q1 O12-206 Conductor Supports
* i ~5 @" g9 W p: J7 c/ [12-208 Conductors on Flat Surfaces
3 k. s8 h" p: O& {/ u+ c+ E0 Y$ V12-212 Protection from Mechanical Injury
1 [& I' y2 B9 J9 e8 _Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises7 R5 ]/ |2 f& |; i
12-308 Minimum Size of Overhead Conductors
" O' E) E# f4 {. B. i12-318 Use of Neutral Supported Cables
! D- i. B6 F) f9 ^$ Q4 iNonmetallic Sheathed Cable
+ M+ _% |$ U6 R+ l; q! M; I- b( B12-502 Maximum Voltage/ o3 v5 e+ b% k) R6 m
12-510 Running of cable between Boxes and Fittings (Appendix G)
1 l4 i$ q7 M# n/ L12-514 Protection on joists and rafters
& _/ m/ X! Y) o12-516 Protection for Cable in Concealed Installations (Appendix G)
, S* m5 b+ }! M7 H/ B( B# E12-522 Where Outlet Boxes Are Not Required
) u- D6 W; u; e$ m9 R6 VArmoured Cable: U. w2 D- R1 a; Y) v
12-602 Use (Appendix B)6 a/ |# s8 p& [: |# f- y5 P/ D
12-604 Protection for Armoured Cables in Lanes
% d( \8 ~' m1 c( _. U: \, Y12-606 Use of Thermoplastic Covered Armoured Cable
* v* d1 p4 Q; h3 R; P) R! b12-608 Continuity of Armoured Cable
2 Z# y) I' H2 {/ h12-610 Terminating Armoured Cable% ]. p# S+ F8 O) K4 [
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
; H" l$ E& ^6 p12-614 Radii of Bends in Armoured Cables9 h( ]. B/ c {
12-616 Concealed Armoured Cable Installation$ J6 N+ @* |) I* [. q% B
12-618 Running of Cable between Boxes, Etc9 \1 ], ?& d' ~9 }* J
Mineral-Insulated and Aluminum-Sheathed Cable+ L. W# e- j! x! R. Y+ [' N6 _
12-702 Use6 }( o" |. k6 b& A2 ?2 ^) W
12-704 Use When Embedded& B0 Z# p% ]0 j5 e" B
12-706 Method of Supporting
% b2 j3 Z5 |1 m; {# K B# |0 G9 `) Z12-708 Direct Earth Burial
, c+ G0 X7 y4 Y3 O* O12-710 Mechanical Protection; `9 R$ \8 I ], V9 C. \4 n- J
12-712 Radii of Bends9 d5 D c, ?5 ^; o6 s
12-714 Termination of Mineral-Insulated Cable (Appendix B) W# H7 o, s4 }9 m9 G
12-716 Connection to Other Forms of Wiring' ]7 e4 A8 u. M9 G6 {; {% Q
Flat Conductor Cable Type FCC
+ l% [* l: V. J8 x- \12-804 Use Permitted9 n G4 I6 O e; r( G% }
12-806 Use Prohibited
$ E% E; u1 t/ ^9 l6 E i( y7 F12-818 Anchoring
+ P- X' V" f5 ~4 ~1 Q$ j12-820 Crossings8 f, V4 X! z$ b1 x: c* B
Raceways - General) F6 c* X, H3 P
12-904 Conductors in Raceways, M T& j) t' L) l
12-906 Protection of Conductors at Ends of Raceways+ X _2 X8 H! ~ f1 a' }+ F
12-908 Inserting Conductors in Raceways
0 H/ h6 k3 ~* l8 t$ x3 A12-910 Joints or Splices Within Raceways8 \. h2 K1 [5 g- m& I4 h
12-912 Stranding of Conductors' D7 s. ^7 k- l7 e2 M2 f
12-914 Electrical Continuity of Raceways
* A* E: t1 V) ^6 l/ A12-922 Radii of Bends in Raceways
) D/ ~( x. h: U& A' lN 12-922 Radii of Bends in Raceways Table 7) b& A6 e+ `3 G/ @4 f
12-932 Protection for Raceways in Lanes
; q. J, o, g* s A- m+ W; S12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)- c7 A- i7 G8 R4 F6 k
12-938 Capping of Unused Raceways
( q M9 x( f+ }; X0 ?' ]12-940 Maximum Number of Bends in Raceways
?0 m/ n3 ?+ [ w, c5 rRigid and Flexible Metal Conduit" `, M* b5 y& w8 e8 H1 k% t
12-1002 Use; T% k9 O& m" m" q
12-1004 Minimum Size of Conduits
$ h0 y, V2 B8 |6 ?) H1 I4 a12-1006 Conduit Threads (Appendix B)
: q' e/ k9 A A- m& P- b12-1008 Thread Engagement
. Q7 X/ l* ?: Q. U$ [. W% [12-1010 Maximum Spacing of Conduit Supports% k8 P' a2 j5 I
12-1012 Expansion and Contraction of Conduits (Appendix B)" X5 P3 n3 j5 A2 U6 n7 j
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
/ V. r3 ^3 ^% ]3 VRigid PVC Conduit and Rigid HFT Conduit
p+ ~- ?% l3 y8 g9 I) R w! F12-1100 Use
3 X+ L7 j, n0 b( ]12-1102 Restrictions on Use
8 ` E( x6 G& r9 Q; E4 K) f: I$ i12-1104 Temperature Limitations (Appendix B)
~0 A7 J$ B, w+ P: v" k/ i+ ^: @12-1108 Field Bends (Appendix B), (2)
0 }( k0 c, D4 M5 V# C% @$ E/ i6 H12-1110 Support of Luminaires: M9 Y7 u: W& K( I9 O7 M/ d( w* o
12-1112 Fittings" y9 ?8 @0 V$ w9 g9 F n3 K
12-1114 Maximum Spacing of Conduit Supports
- @4 }% u" v) X9 G# @ l% R12-1116 Support of Equipment/ ]4 N2 u: a$ p! ^- w
12-1118 Expansion Joints (Appendix B example)) T V x$ M3 t' d) Q- t. H
Rigid RTRC Conduit
6 Q" n: U5 V# Z$ _' I- j9 Q ?12-1210 Temperature Limitations
, Q x- X$ M. @. S0 G2 I12-1214 Expansion Joints (Appendix B)
* l9 A/ ? @4 l# xLiquid-Tight Flexible Conduit7 P4 G9 w+ \; M6 A) ]4 S
12-1302 Use of Liquid-Tight Flexible Conduit
; A! _, E" |, M# S' {12-1304 Maximum Number of Conductors0 q2 t: N9 _) n: g' W8 m
12-1306 Provisions for Bonding
) n+ K, U4 f7 ?: y; \ @0 YElectrical Metallic Tubing
; J5 B P: u8 J12-1402 Use, \$ p% l+ r! z. E
12-1404 Supports
1 y" H1 T! h* m, X/ l3 J12-1406 Minimum Tubing Size
8 D. w2 f2 r! e' Y) b# K+ t12-1408 Maximum Number of Conductors. ]" e6 r1 |4 y! d, K5 L; t4 P
12-1410 Connections and Couplings
( u7 H" J9 N1 c- j; { Q; e! k' M12-1412 Radii of Bends in Tubing. V1 ?, B6 _ \# n
N Table 73 h, n5 Q* R# E# g! l
Electrical Nonmetallic Tubing; N( u* G- C/ H4 `
12-1516 Provision for Bonding Continuity
- q* l6 J G% f* y% c, q" aN 12-1514
% ]7 D9 m# `5 Q3 G$ F6 |5 ESurface Raceways
. O! \% N% |7 R$ U/ L( D! s12-1602 Use of Surface Raceway (Appendix B)
- H g4 Y; p8 @. H: ?) M) q12-1604 Temperature Limitations- T- I1 p U. C0 B" n& {
12-1606 Conductors in Surface Raceways (Appendix B)
4 K8 A( t- d% ~7 W) N5 B$ P! b. w' \- J12-1608 Maximum Voltage
1 `' \- O% M: S12-1610 Joints and splices
# Q4 F- g9 W& ^! _Underfloor Raceways
2 k) x3 c6 g6 b% p" G4 a5 `12-1712 Discontinued Outlets in Underfloor Raceways
8 C+ r6 t$ c) aCellular Floors, U, A6 o3 j+ B# x3 t: y
12-1804 Maximum Conductor Size in Cellular Floor
- \% X. ^8 e- A% R12-1820 Cellular floor discontinued outlets
+ ]6 a( b/ S/ e+ BAuxiliary Gutters M% _8 [$ Q2 p
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces! L: X: l) g$ @. t
12-1902 Auxiliary Gutter Supports
' A2 W9 O% t7 E* M, n$ l* ?* P: \12-1904 Auxiliary Gutter Cross-Sectional Area2 x8 M3 q0 U; d
Busways and Splitters
( J$ M7 _: Y) E2 P- z( g( |+ Y' k12-2004 AC Circuits in Busways and Splitters
" o+ e5 b3 t0 z* A+ k12-2006 Busway and Splitter Supports* F5 Y1 s" E Q$ S6 y$ \; P
12-2008 Method of Installation of Busways
3 C; D3 D4 C! j. L) |% d' }12-2012 Reduction in Size of Busways
. a3 f \9 ?/ w+ d( ]12-2014 Length of Busways Used as Branch Circuits
# M! V8 i. {. `( J. c% h12-2018 Taps in Splitters; g' D/ \4 Y" c6 z7 f2 {
Wireways% o8 B+ e; r* g( p& _& u
12-2104 Conductors in Wireways' S7 t& V3 Y6 t! R. P Y& j
12-2106 Taps and Splices in Wireways
( q1 A: d& T2 F# t+ i Cable Trays3 Y- V8 @5 b" K
12-2200 Method of Installation (Appendix B)
- m0 N0 |2 r3 i& _12-2204 Joints and Splices Within Cable Trays
- J4 ^- S* z( @8 i1 A! w' r: z12-2208 Provisions for Bonding
6 W! |2 M- _( z7 y12-2210 Ampacities of Conductors in Cable Trays
+ o; y9 G8 I: b3 x. R+ `Installations of Boxes, Cabinets, Outlets, and Terminal Fittings9 `: W9 j# U& q: |) \
12-3000 Maximum Number of Outlets Per Circuit6 }( ]' W: r4 y7 y8 i0 S9 v% X
N 8-304
+ N! v, w0 j: I12-3002 Outlet Boxes (Appendix B)1 p/ a2 q0 ?. d
N 12-30002 l% E/ v( W! d( @, A: y+ d) J- c
12-3004 Outlet Box Covers
. e9 Q* {) l7 [5 Z1 mN 12-30029 X& _: W8 C" ?. o% A
12-3010 Boxes in Concrete Construction
& l2 z/ f0 m8 e% R- y5 y! XN 12-30088 Y* u/ \+ F4 {$ @# O3 m# q
12-3012 Outlet Box Supports
8 ]2 c. w/ N$ P+ IN 12-3010, Q W; o5 @* L; I# e9 f \
12-3016 Accessibility of Junction Boxes
$ E ^5 V: a) |1 ]N 12-3014
5 d$ |- o/ w' }* t12-3018 Flush Boxes, cabinets, and Fittings
- n( \3 O! U( ^* O/ zN 12-3016
' e V1 @/ b; H% x; o12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) * X$ M0 l% s: I$ H( j' n/ l; ]" B% @$ A
N 12-3022* K& V' q& Q$ U
12-3036 Maximum Number of conductors in a Box - Table 23
' l: J. v9 H; AN 12-30349 z: o' }1 I, N, Q) q
12-3038 Pull Box or Junction box Sizes' m3 r! }" Z2 x- a, x* K' S+ L9 H
N 12-3036
; _/ W1 v G: q9 h" r+ n8 h3 {. z8 l( K0 z% O1 S9 ^8 n% \
Section 14 Protection and Control; f) r) K# d4 g R
General Requirement/ N( X0 V6 W6 _ V
14-010 Protective and Control Devices Required: r; P, v* Q0 u! u, M) {0 Q
14-016 Connection of Devices7 Z& y& H, C6 s
Protective Devices – General
" |. D h# l+ n! j" U; U 14-100 Overcurrent Devices Required* N3 [ o3 \! s; w" F% V) F$ d
14-102 Ground Fault Protection (Appendix B)
* Q8 P8 Q# Q; V/ M% }- s- ~2 n4 Z14-104 Rating of Overcurrent Devices (Appendix B) Table 13* c9 X% y+ ]$ a- q
14-112 Overcurrent Devices in Parallel8 u5 O( ?( G' L8 [
Fuses# M8 c( w( I9 E7 Z6 U
14-200 Time-Delay and Low-Melting Point Fuses
0 c- `( z0 ~4 Q- M" q. h14-202 Use of Plug Fuses3 ^3 U2 R: K4 k- M8 ^
14-208 Rating of Fuses/ x" C0 C; z! T* S m0 g b& K) Z
14-212 Use of Fuses (Appendix B)
* t5 V( @! \5 I8 g3 H BCircuit Breakers
; d3 G7 X$ S7 v/ X- @14-300 Circuit Breakers, General* ?' @$ m4 K- D2 l
14-306 Tripping Elements for Circuit Breakers% F) @7 |% J9 H9 N7 B$ q/ Z1 ]
14-308 Battery Control Power for Circuit Breakers
. m: I' r: Z! [2 yControl Devices - General/ u# A4 \) G! U5 H/ r2 @
14-402 Disconnecting Means Required for Fused Circuits+ W7 p0 F0 N0 d5 H
Control Devices - Switches: k Y9 ]( L; R& D) o! `* r# z
14-502 Mounting of knife Switches+ K P) A/ s7 J! ^# `+ h
14-504 Maximum Rating of Switches
+ K# A) s+ O6 v! S14-508 Rating of General-Use AC/DC Switches (Appendix B)- C3 |& W5 u- V; J
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
3 r, ^! F# ], x' T' u1 P. Y0 M' QSolid State Devices% L: I$ e7 [( o, Z
14-700 Restriction of Use5 w. ]* G2 v+ F5 |8 o, N9 _
14-702 Disconnecting Means Required6 F! I( _% m# M/ h( F1 |- T- i- X
$ c3 | k$ X" u' J0 aSection 16 Class 1 and Class 2 Circuits
( |/ `& t4 v+ D! \9 e7 t9 y# \5 }1 dGeneral. O4 b! a% _* O4 j f) q
16-004 Class 1 Extra-Low-Voltage Power Circuits
6 D* f2 l, ^0 t$ R16-006 Class 2 Low-Energy Power Circuits
: ]0 d0 m \5 F1 p16-012 Circuits in Communication Cables
% ]: l8 {3 w) J9 T$ ~, C& C8 TClass 1 Circuits3 P" `- a+ Y b$ n: v: I
16-100 Limitation of Class 1 Circuits
$ H2 k: D/ a; u16-104 Overcurrent Protection of Class 1 Circuits8 H8 g2 N; J& _/ |' A
16-106 Location of Overcurrent Devices in Class 1 Circuits
' n& K2 W/ F: z9 f- k! X16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
. I) I) v, k8 p8 t; g" ]% |16-110 Conductor Material and Sizes1 ]# s8 o% a, M# L* |7 V9 q7 ~7 |1 S
16-112 Insulated Conductors for Class 1 Wiring& P& y9 `* g) D: }( Y
Class 2 Circuits
' B& p/ j* U: }, `9 x. r; v16-200 Limitations of Class 2 Circuits (Appendix B)2 t6 _, g3 x6 M% q" f: ~+ f
16-204 Marking( k U' B2 W/ f2 s2 h( p
16-206 Overcurrent Protection for Class 2 Circuits
. ]$ v! U. S* Z1 Y+ v2 b# W. ~16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
d6 W, B5 a5 j2 L# IELC: extra-low-voltage cable, T8 B1 J" I1 A. r; Q- X" U
16-212 Separation of Class 2 Circuit Conductors from Other Circuits$ `6 S7 y; T( R
@4 t. O, {9 p; U. e
Section 18 Hazardous Locations" l# R5 f- J1 T) \- _, x* y
Scope and Introduction
' s0 ]& w* y! U8 n2 o18-004 Classification
% ^; I! b, c% u; j/ m18-006 Division of Class I Locations (Appendices B and J)
5 { d1 X4 O# w4 K; @ t18-008 Division of Class II Locations (Appendix B)
Z: }: i" W1 q z0 ~18-010 Division of Class III Locations (Appendix B)
; P2 G6 l; N8 o9 K8 C4 T b3 YGeneral
/ \4 o# ^3 Y/ c18-062 Metal-Covered Cable (Appendix B) ^. r' J, p4 }5 Q# {1 V' ]; e! K
Installations in Class 1, Zone 1 Location
4 m; s# i# D! o- d18-108 Sealing, Class I, Zone I (Appendix B)
% M6 ?/ N& H. O' u; b0 ?& @
& M4 h# }& W" V& Z2 O. RSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars7 C: D y4 l! U n* b
Gasoline Dispensing and Service Stations
3 m; b# y' {4 c% b& ]! u20-002 General4 v) X; V% E' }- t1 H
20-004 Hazardous Area (Appendix B)! S6 D6 e" D: a( S: I' F
Propane Dispensing, Container Filling, and Storage l: s1 |) w. B0 X# k
20-034 Hazardous Areas - Table 63
9 ^0 _# e1 r. H) {Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
# b2 M. s8 e! d4 a( Z. f6 }20-062 Hazardous Areas
8 |$ \+ }5 h% V& d5 TCommercial Garages – Repairs and Storage& |8 e& e3 z; e
20-100 Scope
/ Y5 Y3 J, u, {, Q20-102 Hazardous Areas (1) ; A1 i! Q O1 W! v& d9 g0 v
% g( D$ Y( \# g# w/ y! s- |Section 24 Patient Care Areas( y0 ~& ` U# e6 e5 R8 Z
24-000 Scope (Appendix B)
3 u# C/ g- n& `9 S8 x+ w% b24-002 Special Terminology (Appendix B)( M& A! ]: j; j. \) p
Patient care area
7 l8 K6 G$ |- S, A( d7 Y Y' ?Patient Care Areas1 |- [6 E, \5 [0 y2 m, [2 K
24-106 Receptacles in Basic Care Areas (Appendix B)
% I' v# p2 v0 O+ \* J- kIsolated Systems. C3 y3 v! `2 s7 n) w: P+ H
24-204 Single-Phase Isolated Circuits (Appendix B)* R t+ a; C# z
24-2062 o' v3 v" y# [0 Z% q5 [2 d3 f
" t% R" T2 c# Z' B4 j9 h; t
Section 26 Installation of Electrical Equipment
& v3 l, g+ I2 Q5 p! X8 VGeneral) e b/ D A& q& n/ o$ @
26-004 Equipment Over Combustible Surfaces (Appendix B)* K" q: V0 l5 X3 R# Z4 [8 q" S
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)6 {! Z, D2 k& f' f( _
Isolating Switches3 c# O2 C* v8 Y# I
26-100 Location of Isolating Switches3 v: @0 i6 i3 Q6 O9 v
Capacitors
) D) ?# A5 K6 q$ K! f+ l26-204 Guarding of Capacitors
! A) l1 Y8 _1 k, B+ K7 W, w; E3 S26-206 Grounding of Capacitors, d3 M) V0 j A" W
26-208 Conductor Size for Capacitors/ L) ~* q' y4 \/ N; }8 F
26-210 Overcurrent Protection (Appendix B)9 B2 f ]% G+ y( ~# J3 I: ?
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
$ C% p0 j2 I: T% |$ w' u26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
, g( ?! O z; p% W; W3 Z26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits+ [, L. g& G7 \( c e% ]
26-218 Special Provisions for Motor Circuit Capacitors
% m6 P2 r, L) p26-222 Drainage of Stored Charge of Capacitors7 [$ ]# l' Q, x. k$ ~. W
Transformers& k' m, ^+ q: z: @- ]: O3 ]9 }
26-240 Transformers, General
4 ^0 V/ \: q Q26-242 Outdoor Transformer Installations
1 s3 R4 @5 i- ]7 g2 _26-244 Transformers, Mounted on Roofs (Appendix B)
7 A5 h6 O9 N% r9 d1 X8 R. [26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)* h0 ^: Z. K; N3 b. N+ @ H% I
26-248 Dry-Core, Open-Ventilated Type Transformers
; m8 b0 a! f( s* _26-250 Disconnecting Means for Transformers
6 A! D& `" k: G# N3 ]26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
5 r9 i, t$ {5 q26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
f/ \( \! s& a2 Q0 P7 E: c26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
- s9 e2 l0 V( F5 j4 h26-258 Conductor Size for Transformers
6 g1 Z* G6 V# ~/ ^$ f, m26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
' c4 y. h; K$ M9 r& o5 t26-262 Marking of Transformers
1 Y& a/ y$ ?" ~/ b26-264 Auto-Transformers
- x0 ^, z4 l+ L, R [' RFences
; t% T. Z" ?0 ]; w+ U: C26-302 Clearance of Equipment - Table 33% x0 D5 _; C7 R- V
Panelboards/ @( {8 l" m+ z; j1 J% \
26-400 Panelboards in Dwelling Units (Appendix B)0 w, v4 m ^1 Y- g+ |
26-402 Location of Panelboards (Appendix G)
G! y( S% N% y7 cLightning Arresters: J# Z; \. k `! |. ]" f
26-508 Connection of Lightning Arresters: r9 |$ D& l" W, p/ a7 M$ Z
Storage Batteries
1 o9 ?( s& Z: a: v! Y' Y3 C$ g26-542 Special Terminology# u, T8 r; P) I4 |2 `# i6 [
26-550 Battery Installation3 C7 S8 H6 G! P) m; O5 R- B
26-552 Wiring to Batteries
. ] V/ ]1 N+ g; y+ K7 QArc Lamps
6 C/ T% Q! [8 [$ J, x26-600 Location of Arc Lamps. H' [. y% f) r+ j8 e
26-602 Conductors to Arc Lamps, @1 x/ Q/ Q- O9 e+ W- U3 p
26-608 Globes and Spark Arresters, F/ R7 u% _# y( H" H
Receptacles
& s1 g" z. B8 j! ?; W- N6 G26-700 General (Appendix B)
. w7 k& S }$ X6 Y, b* O% Y26-702 Receptacles Exposed to the Weather& P) y% Y( [: E( `) w& f
Receptacles in Residential Occupancies z/ A' M, P7 E1 H% y
26-710 General (Appendices B and G)
( D! ~& r6 p7 @7 ^& b26-712 Receptacles in Dwelling Units (Appendices B and G)
f; X+ Y( d4 ^* V26-714 Receptacles in Single Dwellings (Appendices B and G)
3 r O! V% n! D7 B& Q6 aBranch Circuits in Residential Occupancies$ v: v, P/ S- M7 g1 \1 e
26-720 General9 C% w& d' i" \- K- o
26-722 Branch Circuits in Dwelling Units
- |/ G2 [2 | M5 I26-724 Branch Circuits in Single Dwellings4 k# ~) j9 ~0 Q5 B* {' F8 W4 G
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
5 |0 W9 Q$ X' Y; D6 p1 D+ V& AN 26-720 (F)
) |. y' g' \3 KElectric Heating and Cooking Appliances
9 |) ~" b6 y, w2 P7 Y$ |8 K' h3 r, C26-744 Supply connections for Appliances
8 i# ]( G- k3 j/ Z* ^5 i26-750 Installation of Storage-Tank Water Heaters( ?" y- s/ O- D: n
26-752 Infrared Drying Lamps
; r- ~# k o$ g+ }
% c7 F+ z3 x8 L! }' RSection 28 Motors and Generators7 R& O {2 {1 H. F! u8 X
General* e$ S4 w% H/ H' b* `7 ]
28-010 Special Terminology( Q: P$ r+ W+ Q* w
Hermetic refrigerant motor compressor1 x& N, t" i! x+ D5 O U, T
Locked rotor current rating' A& r9 `: Z. f3 v D7 R7 Q
Service Factor6 c; `3 J9 `# v/ X
Table 44; Table 45; Table-D25 L J. _& V. F) L0 v( W" Q: b5 R
Wiring Methods and Conductors
) n- d6 P: a. o28-102 Portable Motors0 L& ]: }5 A6 p( H' i+ L/ l" s4 w
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
7 E, K3 w& K5 F9 y+ W8 C4 n28-106 Conductors, Individual Motors8 P3 l; n7 [5 n) e
28-108 Conductors, Two or More Motors4 l6 ?: m2 E8 c) {, M) W; a
28-110 Feeder Conductors
" t7 d7 E' j0 U( J' T3 h$ {28-112 Secondary Conductors* h P$ a. k% w- Y/ Y' @1 t
Overcurrent Protection" w5 R9 J {) K& F& } S
28-200 Branch Circuit Overcurrent Protection
) W. e! v; R# F) v' S& p+ x( c6 C* v28-204 Feeder Overcurrent Protection
5 q; X( ]$ L1 d( G9 z& w28-206 Grouping of Motors on a Single Branch Circuit/ f3 M2 k' I7 t& i( `
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)3 F a4 n& K6 k! f; m3 Q* U
Overload and Overheating Protection
$ K. }, ]9 G; |4 C, L) X U28-302 Types of Overload Protection' F* ]5 x: E: v- J5 `8 m. H
28-304 Number and Location of Overload Devices (Appendix B) Table 25' X( L9 H% S. h; w- e) B
28-306 Rating or Trip Selection of Overload Devices (Appendix B)4 k+ B1 N; q' K( [
28-308 Overload Protection Not Required
8 \$ M" z! ~% QUndervoltage Protection
+ f( |6 ] O- ?' M# G4 I28-400 Undervoltage Protection Required for Motors (Appendix B)# o; U5 J1 Y. T$ S- p* N7 B
Control
' z6 o" b( Q/ {* b* G8 v28-500 Control Required
H7 O* p8 r* U f28-502 Control Location
p) M1 U! M! T+ h1 Y. H28-504 Starters Having Different Starting and Running Position, J$ R' I K9 K; Q
28-506 Grounded Control Circuit
% a! g% _( E: g9 k8 v: Z4 M/ y4 |Disconnecting Means
" T2 a( n! n: @3 ], v) n7 @28-600 Disconnecting Means Required6 ?" N# i P. A8 |# ~) h
28-602 Types and Ratings of disconnecting Means (Appendix B)
/ F( A5 n+ M) o( ]! r8 [, y- C28-604 Location of Disconnecting Means
8 a o% s$ I- y8 S3 c p Hermetic Refrigerant Motor-Compressors" A# C0 z0 X8 a% h% M4 A
28-706 Conductor Ampacity
1 i2 a) p6 m9 w1 |28-708 Overcurrent Protection% J4 n: Y& t) A2 m7 w( y1 o1 z
28-714 Disconnecting Means
: K8 J, Q: t1 n* tProtection and Control of Generators
# D9 ~1 q. D4 \' L6 K/ d" q28-900 Disconnecting Means Required for Generators
: ]5 F* D i- g9 v% m) n7 R4 A28-902 Protection of Constant-Voltage Generators% A7 b$ S9 Z" s2 J
28-904 Generator Not Driven by Electricity& j) j+ ]. B! q6 ?
28-906 Balancer sets
) }, w2 S7 c% [+ L/ a! c28-908 Three-Wire Direct-Current Generators
0 T" K5 \0 @9 E* A' L( G& F( Z5 h. q1 G( B$ P
Section 30 Installation of Lighting Equipment
/ X# F9 z# _ G8 x30-002 Special Terminology (Appendix B)" Z! o z3 k! X, E) D l4 R# N3 M" R
General
/ l8 d) z) b- s# _ U30-102 Voltage0 s1 y; ^9 v" a# B# s" m z
30-104 Protection (Appendix B)1 n' o' {! @' H0 E7 i
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment2 I3 P$ C/ K7 P8 f
30-108 Polarization of Luminaires
; d+ W/ n/ |* Y. C% x30-110 Bonding of Lighting Equipment
: m$ W; X* M# t; r! Y* TLocation of Lighting Equipment
& T+ s% d( w0 m) K30-200 Near or Over Combustible Material
# {. F5 }& D; x( e30-202 In Show Windows
! P2 W, A8 R! d7 m- `* f0 H30-204 In Clothes Closets. l) Q4 ^8 ^, F, i. p; E4 o8 N
Installation of Lighting Equipment4 v7 a9 Q7 b$ N+ ^4 i0 V) n X
30-302 Support. B' M; f$ j4 r" G. o
30-304 Outlet Boxes to be Covered; V4 q6 z* G( m4 k4 S2 ~5 o
30-308 Circuit Connections
& y) v1 h! \8 n; B+ W5 O30-310 Luminaire as a Raceway
+ c+ U. r1 A- ~" Q) t9 ?3 j30-314 Minimum Height of Low Luminaires
2 b0 r: t% R( O1 Y* r30-316 Luminaires Exposed to Flying Objects0 g- t. t0 n/ c. ?& B: W" F: G
30-320 Luminaires in Damp or Wet Locations* }6 x3 M# C. }+ Z% ?# x. s
N 30-318
+ }4 o4 ]: a" {$ \% Z2 x* XWiring of Lighting Equipment! c6 U3 ~1 v0 ?6 A. `! @$ y
30-400 Wiring of Luminaires b2 D" {0 M! \/ `# C+ w2 \
30-402 Colour Coding9 F0 M }2 g2 [% l- F6 s1 c9 `
30-404 Conductor Insulation
% o. O+ r K P C. w8 I& e30-406 Conductors on Movable Parts! {) D3 j) x" L: h
30-408 Wiring of Ceiling Outlet Boxes
! G8 k% \" C( e30-410 Wiring of Show Window Luminaires0 J, P. @6 j) X i! m& q3 T9 H. E. o
30-412 Tap Connection Conductors3 E' R2 o' m9 _2 {- ]. i
Luminaires in buildings of Residential Occupancy
/ K+ ]# ` T) D/ t0 h30-500 Lighting Equipment at Entrances (Appendix G)
9 F0 C' `5 K' g! t2 k* g30-502 Luminaires in Dwelling Units (Appendix G)! ?$ q' C$ S+ {9 k
30-504 Stairways (Appendix G)
0 K. f8 c# h9 ], `" Y30-506 Basements (Appendix G)! [1 E( J4 z- z( c& c9 t! d1 G, M
30-508 Storage Rooms (Appendix G)3 A5 L" d' j) }/ ^" Y8 x" A. h
30-510 Garages and Carports (Appendix G)
, R: ^: s. c# XLampholders1 b" E/ K+ V6 S6 c. z' p% U% _
30-600 Lampholder rating with Incandescent Lamps
* c$ v( Q6 q3 h: H$ t* P9 z: p, NN CANCEL- J) ]" s2 q( Y0 w9 D, f
30-602 Connections to Lampholders
* y4 o' C2 a) A2 E. r. U/ F% sN 30-600 e6 w' z) j! h* G4 {! T- f, O9 J
30-604 Switched Lampholders Used on Unidentified Circuits
' I) u2 F1 `4 F% y+ L2 a* @N 30-602
5 p' ]( s+ x, F30-606 Switched Lampholders with Pull-Type Mechanisms4 y) y* p# s8 I# L- L' G( U
N 30-604! E" U8 N& d( n8 O/ z9 u
30-610 Pendant Lampholders
+ Q& C9 M, h& M6 E* V! o" Q9 n3 S% tN 30-608! z' O% e8 v9 T4 {$ Z, F5 ^/ W
Electric-Discharge Lighting Systems Operating at 1000V or Less
+ a9 q5 u. y" X5 P& N2 N& g30-710 Control (Appendix B)
) f4 l3 ^+ ~; Z" l+ S* p) Q( ]30-712 Branch Circuit Capacity$ H1 Z+ n3 {9 ~1 R! V
Electric-Discharge Lighting Systems Operating at More Than 1000V
1 M. l8 c9 ]+ z% p30-802 Voltages, Dwelling Units% Y9 B7 P \# A( p d0 A0 b
30-804 control (Appendix B)
6 C* \5 Z0 S! y6 O* \ eRecessed Luminaires (Appendix G)' d) s' p+ ^+ C9 ~3 r0 o% ?: G
30-902 Spacings for Non-IC Type Luminaires
& G) S7 R( D- B% j" I/ k+ T7 _30-910 Wiring of Recessed Luminaires (Appendix B)
6 @# N! u! W: P8 dExposed Wiring for Permanent Outdoor Lighting; o1 s% l" L0 d. j( X+ ?2 z: s. r
30-1120 Branch Circuit Loading and Protection
- I! U, H5 V) `Extra-Low-Voltage Lighting Systems
( \% s0 D9 U) w30-1202 Sources of Supply9 Z" X6 r r' m& a1 T( m2 F- O
6 K* P. o2 ]( U: c: ~7 l
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
- {1 h6 v6 E% `* y8 C) z. cFire Alarm Systems- n8 z6 S; @6 U+ _2 S: m H- `
32-100 Conductors
K3 q$ c" z) t4 q3 z( S) R32-102 Wiring Method) Q- Y& p* l% O# L. ~
32-104 Equipment Bonding
: H9 h( L. v4 c7 [32-106 Electrical Supervision* F1 ^+ ~$ b! m% p3 N/ W ]1 \7 r
32-108 Current Supply2 I7 G2 Z x; b" O4 k
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G), u }$ Z% V0 R) N
Fire Pumps$ ^/ c& _/ U# }/ p
32-208 Overcurrent Protection (Appendix B)
4 m3 H6 H0 Q: V/ G; N( |' RN 32-2062 F: D) I: k3 ?; e) n* H
32-210 Overload and Overheating Protection (Appendix B)
/ @8 [$ R$ j: ?6 s, g7 | p5 }7 Q: `' G32-212 Ground Fault Circuit Interrupter (Appendix B)5 G: L) r0 H" k3 J
( E/ n% h" T3 l1 z& `/ |( n! k
Section 36 High-Voltage Installations
) C1 Q8 x9 S7 ]2 v9 y0 yGeneral1 V. N' J! F9 m( r+ N
36-000 Scope (Appendix B)
4 A) y: Z w. o2 ^" c36-006 Warning Notices! i [5 ~9 Y% [2 ]8 h' \, @0 C
Wiring Methods0 e6 }& H" R( E5 ^" Q6 d" R
36-102 Radii of Bends
: Y7 U5 v1 j' y5 e; Z6 a" @6 |+ ?9 |36-104 Shielding of thermoset insulated conductors6 z# S( F) i z# r% D" ]
36-108 Spacing of Exposed Conductors (1) table 30, table 31
8 C$ ]( Q9 \" \4 I! S36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34- j) _( G& N* F. `6 {: W) X: i
Control and Protective Equipment- e8 F+ o- A+ _
36-214 Disconnecting Means
! ^" ?4 G! I- C, }6 S Grounding and Bonding
/ E- d0 T- l* s' X. q+ m36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
" L6 S+ r u8 u! \" e' V5 D36-302 Station Ground Electrode (Appendix B), q% G/ G" B- o4 {! b0 ? b- I
36-304 Station Ground Resistance (Appendix B)
8 ~ m' Q/ l9 W4 f1 Q7 {8 z/ _36-308 Connections to the Station Ground Electrode (Appendix B)5 G3 A g+ E, U
36-310 Gang-Operated Switch Handle Grounds* z( o9 x; L8 B& W3 w$ W
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations' m+ y5 z& \7 C4 ~; B1 y
@) |0 w% S! ^1 TSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
' O, ~, F I4 j8 Z q* M38-002 Special Terminology (Appendix B)! U8 V1 |& q9 P; c3 I3 ?$ ?% R$ w
38-003 Voltage Limitations (Appendix B); n& H3 R! a% T; [! @
38-004 Live Parts Enclosed
2 E+ t' |/ C7 F" `& U5 k38-005 Working Clearances
, }4 d, b, ~6 }) T0 |38-011 Insulation and Types of Conductors
. V2 A- X I; @, w- c- ^38-012 Minimum Size of Conductors+ G5 R; P% b, U2 G' ^
m5 l4 f% ^: | g3 K$ e
Section 40 Electric Cranes and Hoists
$ p/ O) D4 g; ]6 B! {7 ]40-008 Disconnecting Means. {7 O: s$ G# O, m
40-010 Main Contact Conductors+ ~4 E3 R3 k+ V5 F; r, v: N. z% v
5 r$ K& X9 Q/ n
Section 42 Electric Welders
2 k6 _) w7 T# e0 t+ {* _Transformer Arc Welders* h* p& E6 z& Y0 h( O. w
42-006 Supply Conductors
2 v6 B* o0 N1 K: [
' A! Q0 d, R5 ?+ |Section 44: Theatre Installations. s7 S: r( s9 u) d
General, t' ^1 c( w# R3 s/ ]! w7 \8 U$ G: S
44-104 Number of Conductors in Raceways
* z; r9 N. s# _44-106 Aisle Lights in Moving Picture Theatres
% P' B' `. Y. Z7 F5 p" Q0 t3 T8 N" AFixed Stage Switchboards4 B4 V4 {( W+ g: H7 {" ^
44-210 Overcurrent Protection7 s1 q) j' o; S7 L4 T! y6 |# h
Fixed Stage Equipment5 F) U$ W; J2 _
44-324 Receptacles in Gallery Pockets9 r }( |2 A" g* S
44-326 Receptacles and Plugs
2 G3 L* ?7 @, D1 ]% q3 @( H/ P' C1 X& s* q
Section 46 Emergency Systems, Unit Equipment, and Exit Signs" E' R* a$ ?3 I1 m
General
, O A I0 G$ k R5 v. W/ n46-102 Instructions- e: D1 a+ t+ K. c1 H2 W' D" p
46-108 Method of Wiring (Appendices B and G)8 Q( l, u1 e1 I5 b2 n: J
Emergency Systems
. e \* p8 o; _1 n9 K# X46-202 Supply (Appendix G)6 A' l0 m. ]& }
46-204 Control
6 }7 E" U% L5 [# k( K46-206 Overcurrent Protection
2 ^! H3 k3 s5 n46-210 Remote Lamps" e# o9 }: p$ p Q
Unit Equipment/ W8 |" c2 Q/ n# ]
46-304 Supply Connections
4 @. }* S3 C: o" j5 t' H! e6 g46-306 Remote Lamps (Appendix B). b7 D. Z& |, w# o }1 |2 A" H
Exit Signs& a- L" U$ z, x$ q: ?- h. F
46-400 Exit Signs (Appendix B and G)
; z" w. o& M1 g/ O$ M/ ]7 w
( ^ X$ f, ~ m( D8 y$ rSection 54 Community Antenna Distribution and Radio and Television Installations$ @/ V0 I) a- C: U5 ^6 E9 G
54-000 Scope+ {1 B' H" S1 k6 s: y {6 E2 o
54-004 Community Antenna Distribution (Appendix B)3 L: W) {0 Q$ _8 i- p3 p: Y) w6 f
Community Antenna distribution
. W$ g" R: |' q, Z54-100 Conductors
( L/ \; q2 ]$ h! ]54-102 Voltage and Current Limitations (Appendix B)+ { D( s7 p# g. ]! |0 t4 o
Protection+ A! y# o' }6 F3 H, D" |
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
5 o; O( W! ^) q3 ]; mGrounding0 V& y& L% Q3 Q+ |
54-300 Grounding Conductor
1 z) n# `+ R, h9 u; Q& q. }5 F. R6 hConductors Within Buildings# m. ~( j3 h/ R% t/ z+ f. z( Q
54-400 Separation from Other Conductors
2 R# q; w- ]4 m* Q: `Equipment9 n7 X7 \- b0 e$ c- f1 a' U1 N4 [7 T- |
54-500 Community Antenna Distribution Amplifiers and Other Power Sources: U0 c: z; F/ _* b
54-502 Exposed Equipment and Terminations& x: B1 J8 b7 H# L: c$ s
6 v$ H# y8 ~% Q: ^' B. p" {Section 56 Optical Fiber Cables
, s% B: S) Y6 p; A0 mGeneral; i7 j; [$ V; F1 s# S" J9 z/ a
56-100 Special Terminology8 \. c/ { d9 V1 l b8 z* ^( _, K
56-102 Types
# Y+ I4 b+ a; z/ ~& cInstallation Methods
4 u+ b4 p3 {2 U. x. X/ r3 B4 \56-200 Nonconductive Optical Fiber Cables (Appendix B)% k0 G, p6 `1 |( C* y/ W8 Q' z
56-202 Conductive Optical Fiber Cables (Appendix B)9 S/ D; d7 w0 T E" P
56-204 Hybrid Cables
1 f5 w. M9 E8 x+ J56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
$ m& D* E+ n: C) F: `6 Z% ?) p8 F8 I5 `9 W: C4 v; ~( D" c
Section 60 Electrical Communication Systems( H; ^, Q/ c' t7 z5 d
General
# k1 i9 w8 E6 }; L1 F# s# ~60-100 Special Terminology
- x. m Y- @0 A( @7 xProtection
8 @9 Y. w* ?/ u60-202 Primary Protector Requirements8 a3 a$ v4 _% M9 N7 u
Inside Conductors
2 T5 e. y, b2 Z" a, L# y60-308 Separation from Other Conductors q4 p" r5 g, b
Equipment" X0 F5 |. s, ~9 z/ f+ v
60-404 Exposed Equipment and Terminations
" r" c9 I% e0 T1 | b- _* zUnderground Circuits
& @! k4 D$ f& r; @6 I60-600 Direct Buried Systems
# | L2 a1 I1 [$ K- U% v# J( U1 H' d/ _$ G7 I& ^& y. Q7 @5 M
Section 62 Fixed Electric Space and Surface Heating Systems) j/ A- I% S3 O7 x- ]+ X7 X
General
3 D& o; g% A# \% b9 d62-102 Special Terminology. J7 K& ^8 x9 g' a8 | G
62-108 Branch Circuits$ \; X, F5 D9 b3 Z- B; d% k
62-110 Installation of Fixtures
, g! `& a( B$ t' D62-114 Overcurrent Protection and Grouping (Appendix B) (5)1 D$ k& }0 Z# ?/ }, v6 v
62-116 Demand Factors for Service Conductors and Feeders (2)
7 g k7 Y9 [/ w' @/ A" z62-118 Temperature Control Devices% ~# `8 F2 @ ]# d; m
62-122 Installation of Series Heating Cable Sets (4)(7)
( V( ], f/ a1 _2 P) o0 M% IElectric Space Heating Systems
4 ^" [6 T& l4 a: A& c# [5 ?62-202 Temperature Control
# |( o0 [& F; d$ m/ O2 K62-206 Proximity of Other Wiring (Appendix B)
% e+ Q4 o' F) F* Y% l% Z" B8 {62-214 Installation of Heating Panels and Heating Panel Sets
6 N( S5 i$ B/ V# x2 F* O0 s& Q62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
1 J" v! w4 l2 C+ ]62-226 Installation of Under-Floor Covering Heating Panel Sets7 w$ @) I- r$ X2 O
Electric Surface Heating Systems
- S+ q4 [ c( I& v. J62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
/ M! G1 O* ?5 _' x$ N* l
- |, f7 f* [8 x' d) z) N+ _, jSection 68 Pools, Tubs, and Spas- q V k5 M0 d" R7 E v
General
( J+ X8 @9 ?& N68-050 Special Terminology5 E' |+ t! X$ A% ]: D9 k5 h; I
68-056 Underground Wiring - Table 61
9 k! S6 N5 D7 ?1 c6 k t+ L68-058 Bonding to Ground (Appendix B)
7 m' P. X! d3 t8 K5 I68-060 Junction and Deck Boxes (Appendix B), }* I2 x( e7 ?% ^
68-064 Receptacles _7 G8 }% j* P
68-066 Luminaires and Lighting Equipment
4 m" R+ u" M5 ?2 i) I* r8 K5 _+ }68-068 Ground Fault Circuit Interrupters (Appendix B), R# j% _ s% O/ f" M* t" Z) n/ [
% E/ r# ~" i7 a6 F9 s1 rSection 70 — Electrical requirements for factory-built relocatable structures and 8 L( o3 K! O) N' ]5 b( L
non-relocatable structures" q5 d. _5 n# O+ F
70-130 Tests (see Appendix B); k7 n# W/ f% ?* K
6 P- W E$ s: x4 d+ ^% R5 PSection 76 Temporary Wiring (Appendix G)( u8 r, O7 K2 W4 f2 c% ^( u9 M
76-004 Grounding
" {# |- {! ]4 i, M( l76-008 Service Entrance Equipment9 _$ M* s% ~- S4 m; [# m
N 76-006" {0 R( w- g: R
76-014 Branch Circuits
" e1 s. O5 Z+ p n" s3 SN 76-012( q5 h: [3 ?7 g+ x, w$ d
7 t1 W) v$ L2 b0 C" T
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
$ t' p$ h" H" l6 P# r% D6 pMarinas and Yacht Clubs
8 u; ?$ H: a/ K1 e78-052 Receptacles
, l ]& F5 X9 \2 q- ?" D; M+ x78-056 Feeders and Services+ c* S. L7 c; b5 r
Marine Wharves, Structures, and Fishing Harbours! j3 ]+ ?$ O6 G& M( y$ X
78-106 Grounding and Bonding
4 _* a' V% c) |" ?* ATables
4 m$ T9 T/ w2 a8 D1,2,3,4,5A,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
3 l+ H, f$ i0 y6 y8 N; ^9 \( f4 L8 a0 }; v( h! f0 L4 r9 T: W @; S
Diagrams: 1, 2, 7- v" C% r7 f8 _
- d6 |5 A7 ^+ C6 F) {
Appendix B2 V. D0 c p" ^
P352: Ground fault circuit interrupter- 6mA
( X n; j( O8 R$ d( i6 U* VP354: 2-126 FT1, FT4
3 l" k; j9 L) X$ S/ z: L% gP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g); `" {% A* q$ Y
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)4 o5 K) z& B1 P
P370: 12-1012, 1118, 1214 Example:. H+ k* H+ H% v2 Y
P371: 12-1108
6 l4 Z: `; o, S( `P381: 18-108(1)(b), 18-158(1)(b)1 V& [2 ?6 r7 t. k5 D' R; z& h0 G
P386: 24-206 o! K4 q: F$ u1 G8 Z/ g% U; s0 @
P389: 26-2564 C7 `* ~# t4 |% Q
P391-P393: Section 28, Example to determine Motor Conductors and Protection7 ]& T7 u6 L8 C
- W" u2 Z. |/ F+ V p2 [/ ], rAppendix D% b5 X" H' _" V. a9 t: r0 k
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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