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Canadian Electrical Code Review Guide
) _7 B% u2 [9 O4 i) yFor the Exam of Electrician For Red Seal License- U$ d8 q. z; T" b2 }5 F% K
% l4 D- P- ?* ?2 ~
Lesson One8 n! q. W: x" C! C! |% G1 h- e; E5 M
Section 0 DEFINITIONS
9 W( v1 N# W) eThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
" J" \* A$ A% w* y9 m: l' D$ BAccessible as applied to wiring methods# _+ j) O7 e7 n9 f8 I
Alive or live
5 K; p( }6 ^/ G0 b3 @1 t- ^6 IAluminum-sheathed cable
, B/ I$ |) b$ m. q- o. D& VAmpacity
# [' @+ n1 b3 o" p# | k3 uAuthorized person+ h; X& B! u% X
Auxiliary gutter# [5 H% P& U) c# X
AWG
, N' i& A: b) J# C2 iBonding+ q$ D5 D: c+ p
Cable tray s8 p" } {! v6 S. Y
Cellular floor9 N& R( M; y& h
Branch circuit! Y! k- \9 b/ w4 T
Bus0 v: y* J, R) k5 v. A
Busway' ?( N% f, a% K" K6 e2 i
Communication circuit
b0 }, M8 }& ?9 [Extra-low-voltage power circuit
. q) G* D6 q, n$ D O @6 ELow-energy power circuit! [ G. y1 O$ n' Q) i
Multi-wire branch circuit# `0 R" x: x7 Q9 y- G
Remote control circuit
; b. b- U8 g DSignal circuit
. m7 b8 @. V9 J f# F* PCircuit breaker& t; a4 d2 D6 I( h5 h
Instantaneous-trip circuit breaker
1 K S# N# h( n. C8 `9 GConductor/ T$ G' I; J9 [) |
Conduit0 w% K f) X8 z, {
Flexible metal conduit
4 H, Y7 f- W: P7 g; @9 w; O Liquid-tight flexible conduit
, i2 d5 I; q, v9 n: l0 Q. @3 l Rigid conduit- [. Q$ j" @/ y% F: A
Rigid metal conduit
2 m+ A q2 R" s5 F# g Rigid nonmetallic conduit
, m: w2 f1 E" Q4 F }8 [* L+ }- ~ Rigid PVC conduit
8 X% ^* n5 @& g! {" s4 vConnector' n o0 c% K* x' V2 r* j% l& w0 ?
Box connector& \" I8 H4 a# I* u
Wire connector! X- ~& W+ y' h; P2 X6 R0 S
Controller8 F7 p6 M9 C \6 B# I, u: v+ `* j7 A
Disconnecting means
! Y6 c& n/ B6 y& _5 u) sDust-tight
3 d N% ~8 S& K6 WDwelling unit# P8 A S9 F5 G8 q3 |, }* S
Electrical contractor
5 M6 _3 W8 _6 X* J6 GElectrical metallic tubing
4 q" q v) w% j* t$ O, ZElectrical nonmetallic tubing
( t( b4 s' E; I' DEmergency lighting
& \: i* Z% n8 _6 F: WExplosion-proof6 w, i5 n! k& b# j4 k1 [9 t
Extra-low-voltage power circuit9 {8 K+ B) i- o' g4 I; r
Feeder
) B; M5 g5 B* z) u' {: |Flexible metal conduit
0 e; E7 _* y# ]9 ]6 cGround! g# m( j! ^1 @
Ground fault circuit interrupter& a X, P% z) {% c5 [- j
Grounded2 g6 }4 Y# \ P% Y& E/ i! D
Grounding
2 i, o( n! y+ S5 p5 yGrounding conductor
6 n$ D A* }) d0 Q; {Grounding electrode! d' ]5 @* b4 P& A; U2 k
Guarded
9 \5 _" H' n9 r' IHoistway
0 x( X8 O/ F$ O& `. ~: A l qIdentified
) r5 ?' v5 }" K3 VLampholder3 A9 e* ~2 u, ~9 b
Low-voltage protection
1 G' ? ~8 H: b! I2 h+ Q0 z$ wLow-voltage release
' w+ v, x) C# E3 g: }Neutral
1 ^3 J" c d+ T$ H) rNoncombustible construction
8 |# @+ q/ e0 s8 o: mOutlet
, C& q; b* ~7 [, U+ [5 \Outline lighting
4 a$ K! H, U5 m3 L4 Z6 |Over current device
' m6 ]1 [ ~$ S& ?5 iOverload device1 i9 K& \0 S* f# o% ^. {9 Z$ x
Panel board
0 R- A! `7 g6 R8 }* }; l1 g lPanelboard, enclosed I" H0 H* ^$ z' @( l
Permanently connected equipment) P4 A/ T# V+ U, m$ C" y. l! y1 s
Permit, a4 j: I# k3 g1 l t* O2 p3 j
Plenum, O4 ~! v' E" Q( A% n
Portable as applied to electrical equipment
4 _2 W) N" ?6 W) c3 \Portable ground fault circuit interrupter
9 @, f, }$ ]1 g6 M7 rPower supply cord. G- ^0 ~- n" B6 z0 |7 K O
Raceway
+ b' P% p; ^. I( G$ UReceptacle
7 e0 G% w% N8 N% q Duplex receptacle
3 R5 R* _! q, Z1 E5 Z$ @, }) i Single receptacle5 h3 U: u N% X* S; C3 ^) r, ]
Split receptacle
& h5 f& A; X$ X" _Service, consumer‘s
. L6 t# F/ L* \2 i, z$ Y7 bService, supply5 m& H' r2 D" ^
Service box% a( k. }1 u7 b* i$ y: m4 P6 ]8 q
Service room
( F' X1 f, E5 i! X2 mSingle-dwelling
! T; w' z, _ oSlow-burning as applied to conductor insulation
" R" \3 Z9 u) `. W0 O1 qSplitter/ F# S9 B% g9 ?4 W0 U( i6 h3 n& |
Starter
+ Q0 K+ v! p* u Y0 z' x( E" @# rSwitch
+ s: _2 O5 V1 F' E. @ General-use switch
) ^! B# O; N; a5 K P Indicating switch7 l* G* @( c5 h) i, \
Isolating switch/ H& r u. M: v7 }" K
Motor-circuit switch
2 `. M- ^: ~( Z' C% k8 USystem
+ E% I' q% y$ \" d Communication system
1 K: _8 l4 X7 v j Community antenna distribution system(CATV)$ L5 P1 b2 [! ?" b
Grounding system
6 l' h/ l/ L; j; OUnderfloor raceway
+ d5 v8 }$ z7 }4 [Voltage:
* b4 Z( y! C5 l5 C* }3 H Extra-low voltage
( C; m, D7 U2 T High voltage3 b1 j+ R+ H4 Y! l" T( `+ g, o/ ]- @
Low voltage" u' c7 _ \. f2 @' P+ S
Voltage of a circuit0 _/ i4 A) J! U* _7 L2 V
Voltage-to-ground
# B1 F$ \ s! n0 rWireway! i5 f% {$ E& B2 ?" ]2 B% Y
% U b) \0 }7 `0 J; B7 I) ESection 2 GENERAL RULES
! p5 Z4 v; w+ U. v1 lAdministrative
, V: U5 L' }/ c/ B! h2 x2-018 Reconnection
4 p3 `8 ^7 u b2 |% L2-030 Deviation or Postponement
) d" ?2 o4 w' ZTechnical General
# e% w' @% i" ~ G- @' U2 _. ~0 W* A2-106 Circuit Voltage-to-Ground – Dwelling units
; I1 t; W M8 ^8 [; I' K: {2-114 Soldering Fluxes% v% B$ _+ d; y6 P! V3 S6 y0 V
2-116 AWG Sizes of conductors
$ g' L4 Z% R, N4 x9 Y, l; c5 {+ A2-124 Fire spread (see Appendices B and G)
8 Y% h% {, a4 M* a1 L- |2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)6 {+ K5 l- t% O, p% N
Protection of Persons and Property
* {( X+ y% Q0 y$ ]7 f4 b* w2-202 Guarding of Bare Live Parts9 P) c ?" _, h, x5 T8 X% g# g
Maintenance and Operation
% Y2 ]: u7 Q8 N, g% I2-304 Disconnection
! v1 p* e+ \7 W4 S2-306 Maintenance of Live Equipment
4 d, S8 S+ F: Y- c$ ?8 JN 2-306 Shock and flash protection (see Appendix B)" M# W% D* k6 l3 H' X
2-308 Working Space About Electrical Equipment: Table-56/ o% t- {( g/ b" q/ x. l+ P
2-310 Entrance to, and Exit from, Working Space5 N d0 s6 { Y
2-320 Drainage
, `& a" Q, r O: F3 m* q& U2-322 Electrical Equipment near combustible Gas Meters and other Devices" Z4 v6 q& {4 U3 w
Enclosures% X# i0 l! X. p
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
6 J& M s8 E0 v2 v3 _! N. x2-404 Marking of Motors: DP, WP, TE; a! V* v( s+ X- t, e
: B- g9 l' O: lSection 4 Conductors
7 L2 F) s2 a2 Q# i4-000 Scope
$ p4 q: h" x- F. b7 x: `4-002 Size of Conductors: 14#, 12#
' S2 o" e6 T; F; B4 S% x! z( U. J! t4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36# x0 K2 w5 J( ~8 ]8 W% G
4-006 Insulated Conductors: Table 19$ w4 B- C D9 M, ]
4-010 Uses of Flexible Cord: Table 11
- U4 P5 P3 H* k7 y, c& n4-012 Sizes of Flexible Cord0 ^1 _- X) Z2 |' e
4-014 Ampacity of Flexible Cords: Table 12 V9 S$ w; _7 z$ Y
4-018 Equipment Wire
2 f" d) H+ z7 n6 A) |! b4-020 Insulation of Neutral Conductors
6 S7 Y% O) E! \7 y4 S( G4-022 Size of Neutral conductor( C; `' w/ ^' c: D
4-024 Common Neutral Conductor
/ s4 [1 g8 a" n9 q4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum5 J# _1 y3 L7 b
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum/ N3 \; u5 L" _& P3 m# [5 U/ K
4-032 Identification of Type MI Neutral Conductors
5 m" T# l* S+ w/ W4-034 Use of Identified Conductors% ?: z, w/ H' p. Y7 Q' t$ p
4-036 Colour of Conductors: Phase A, B, C, …# g E0 A- ]+ e% U6 t& Q a% ?
" |) g0 i! w% N* y# Z
Section 6 Services and Service Equipment
7 l& e4 f4 g4 D- yGeneral; n: ^6 @! b# e, t5 R
6-102 Number of Supply Services Permitted
2 V/ ?; E6 S" i. ^) r; I3 i c6-104 Number of Consumer’s Services Permitted in or on a Building6 U" M4 n% j6 T% `
6-108 Supply Service from an Electric Railway System' V2 t1 a8 u5 D. o! \
6-110 Three-wire Consumer’s Services
1 u5 P" ^" _! D$ w' S6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
* S, Z3 {* A: w" M( J/ d6-114 Methods of terminating conductors at consumer’s service4 i2 d: _6 O9 X) a6 O& I/ {
6-116 Consumer’s Service Head Location
6 O7 @3 T& F2 f5 z2 d8 WControl and Protective Equipment" S g B' k q& h
6-200 Service Equipment
" _+ |5 W9 j0 v5 I6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)% C* X" y1 a7 R3 y& }6 G# v* o
6-208 Consumer’s Service Conductors Location
! P9 ]' G* s& [2 u3 f; h5 |6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches, A8 ]1 Q, C. d2 l" B
6-212 Wiring Space in Enclosures2 ]' E# `9 ^& @' l3 c8 _+ l; ~
6-214 Marking of Service Boxes6 { N! W+ S# n
Wiring Methods# Y, @5 f$ @9 D8 g1 s |2 z
6-300 Underground Consumer’s Services3 _3 K$ `" v1 R# j; I
6-302 Overhead Consumer’s Service Conductors
: P5 k6 t) B( w& q5 u6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable, Q( R5 u+ C. F, [
6-306 Consumer’s Service Raceways( [& X% ~ R1 r7 I. ]# J$ b
6-308 Use of Bare Neutral in Consumer’s Service
8 b/ b1 q' n8 h, {, r6-310 Use of Joints in Consumer’s Service Neutral Conductors
" ]. U8 R: `. Q' c0 l6 N1 h/ n1 A6-312 Condensation in Consumer’s Service Raceway
$ {% S4 _: {9 L/ A: xMetering Equipment; M/ T5 B; _6 O/ z$ O* c# ?
6-400 Metering Equipment
% m- ^1 ]" l8 z7 ]" B$ \6-402 Method of Installing Meter Loops' o7 [) ^& O0 A/ Z, J
6-404 Enclosures for Instrument Transformers
' j+ C# |& c2 t3 V% f6-408 Location of Meters- m; I" q* L* r% e b' S
/ k) i9 u7 V0 G0 z' ~3 v
Section 8 Circuit Loading and Demand Factors
! A( S6 v/ I9 \/ N" v) WGeneral
$ H c" D, e, } U8-100 Current Calculations. w, D9 V. j- r. y# x m9 \
8-102 Voltage Drop ( see Appendix D)
5 f8 I# h0 [) `' w0 W0 k6 h8-104 Maximum Circuit Loading& N: A8 ~2 U. x% Q* h+ ^7 w
8-108 Number of Branch Circuit Positions( Q4 c2 V( [& k
8-110 Determination of Areas
, d% w5 Z) U+ O3 z& w; N; tServices and Feeders
6 ?5 H# I# N$ R8 w0 g5 H- \. ]8-200 Single Dwellings (see Appendix B)
3 Q' G' Q% k0 _8 e( x" m) d8-202 Apartment and Similar Buildings4 k" f" g6 h5 L' R& }) o
8-204 Schools P k$ X! G; r) T& r
8-206 Hospitals
: p4 Y# E: @+ Z( p) A8 E% _# R' O8 b8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy. f h6 Y" a. N0 d' T& k+ ?
8-210 Other Types of Occupancy (Table 14)4 D8 K0 |: V( j: P2 E
8-212 Special Lighting Circuits
" G0 U; m! u8 N. h! Z' U- CBranch Circuits9 {% ?) j+ l S% w
8-300 Branch Circuits Supplying Electric Ranges
# P$ @ O1 l: R# q$ ~% o* p8-302 Connected Loads
% R9 w( ^! h5 _3 x* q- l& \% g: k$ S3 ^" e# N
Section 10 Grounding and Bonding$ P' v `. `" ^# }/ a1 N
Scope and Object
7 Y3 H2 c5 I* N/ t' ~9 L! m2 Y10-002 Object
5 u) f. V6 K6 lSystem and Circuit Grounding/ Y2 n: G: x' M3 v* q9 B! J
10-102 Two-Wire Direct-Current Systems/ ?1 v0 o2 E: G+ [. L0 H; ?
10-104 Three-Wire Direct-Current Systems
. D# c7 z( V) i- x( h* t0 g: ~10-106 Alternating-Current Systems& G, m l7 s% o( E) r
10-110 Electric Crane Circuits
6 |4 k- I" ?9 A- `4 T* Y G10-114 Circuits of Less Than 50 V9 O" N8 I7 }) s+ C' l2 j6 N
10-116 Instrument Transformer Circuits! v/ n! Q6 Z9 \1 D& l& d+ P
Grounding Connections for Systems and Circuits
1 B+ {6 }( I! E; ]& U O7 A10-200 Current Over Grounding and Bonding Conductors+ o- {5 ^, Q/ {+ A: X* s
10-204 Grounding Connections for Alternating-Current Systems
* E; i: J( I1 `8 ^. K, T10-206 Grounding Connections for Isolated Systems) ^ K& D- N* M5 k+ S
10-210 Conductor to be Grounded* m9 s! D% w/ `
Conductor Enclosure Bonding3 O- W7 T4 C' g: m' g- x
10-302 Other Conductor Enclosures( e8 t2 p9 K0 h" J
N 10-3043 l, I) x( z9 V8 y! D
Equipment Bonding
) w5 k% S! R; }0 M10-400 Fixed Equipment, General
; L# L0 M+ m3 e |10-402 Fixed Equipment, Specific (3), (4)& l; }+ s" h/ z/ u- v3 Y
10-404 In Nonmetallic Wiring Systems" l; E" Y# Y; p' @$ l
10-406 Non-electrical Equipment
$ y, a8 R" E' l& k2 R6 m6 J10-408 Portable Equipment (4)(b)
1 j$ v% H2 O8 {9 r10-410 Instrument Transformer Cases
6 L6 p0 P/ v9 g3 F4 U10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less; Y2 t6 q8 g$ u$ k2 i5 ?& e
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
) C) d& Q! d1 K% E8 lMethods of Grounding
7 X4 o! Z, Q( R1 N4 t9 Z7 i10-500 Effective grounding (see Appendix B)
: Y8 v+ _/ _; e' q9 m" d! [* j10-502 Common grounding conductors# I7 `9 B% l- O. R+ \6 C& F2 l4 F
10-504 Common grounding electrodes9 Q' n- R$ ?7 e h# E: L8 y
Bonding Methods& R: \) A( i1 Q. b |8 M5 L6 B1 V
10-600 Clean Surfaces3 P- P2 _' p% i: K5 T- M s
10-604 Bonding at Service Equipment
' X7 l. X1 n ^: z' ]9 u10-606 Means of Assuring Continuity at Service Equipment
5 E. D+ n+ N! E/ n8 p10-610 Bonding at Other Than Service Equipment' B* D$ }8 X$ G- s8 u
10-612 Loosely Jointed Metal Raceways
" I9 L. e- y2 B0 u7 X10-614 Bonding Jumpers Table 41
0 V2 K: ]5 G( B# D) B! n+ F4 ]& GGrounding Electrodes0 {' W/ ^) q8 N6 X }4 H' ?/ V
10-700 Grounding Electrodes4 a2 h. @8 ^* v9 z+ j# M6 M' ^# q
10-702 Artificial Grounding Electrodes
" g3 E# N# n( X5 @! b$ k; kN 10-700 & 10-702
" L$ H/ `! h1 C# c10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G). q: E7 k1 j( Z( m( A4 y
N 10-702
# j; } v# {' B9 n10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
* e, S5 V, X- y! C( G L) Q0 PN 10-702. f7 J0 A7 N0 t& d+ ^7 H& g9 M
10-710 Use of Lightning Rods (Appendices B and G)- r& A' M. K( Q, v1 f
N 10-706) ~( b9 m: H6 E7 e* X2 S3 `
Grounding and Bonding Conductors' R! s N1 ]0 J
10-800 Continuity of Grounding and Bonding Conductors% O. ?. @ k0 V- j0 e5 V
10-802 Material for System Grounding Conductors& y% k1 F0 m* t4 A
10-804 Material for Bonding Conductors5 {6 \3 S1 s! ]
10-806 Installation of System Grounding Conductors' N6 h$ s3 S3 ?3 k# }
10-808 Installation of Equipment Bonding Conductors0 d$ [5 n* }4 ]/ P
10-810 Grounding Conductor Size for DC Circuits/ s6 z* g" f& r; X; ^2 m- b
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
1 r7 y. `* ~3 S( I6 ]0 f10-814 Bonding Conductor Size (Appendix B)
6 k2 T# Y0 ~% t10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment8 r& e. ?2 u0 n" z
10-818 Bonding Conductor for Outline Lighting, n8 v" @& c! S6 W
10-820 Bonding Conductor Size for Instrument Transformers7 q& x( c/ u2 e. f
Grounding and Bonding Conductor Connections0 G$ G: m. q1 ^. f5 |+ Y+ f
10-902 Grounding Conduct Connection to Water Pipe Electrodes
$ u v" P7 N0 S10-906 Bonding conductor connection to circuits and equipment
1 c' l& a' S* f' C% ]7 n( C10-908 Grounding Conductor Connection to Electrodes( m) S+ r0 Z- @( k+ h
Lightning Arresters
& ?! \) u0 H- J0 n P5 o10-1000 Lightning Arresters on Secondary Services – 750V or Less' ]2 k* v+ p C5 m# ^
$ h: G# g# D6 g( e5 a! f
Section 12 – Wiring Methods
5 ?1 j7 b: B3 L% m) r6 VScope
" q- B& b- g) H$ m4 c0 J) c12-000 Scope (Appendix B)
8 e6 t' N' M% I' X5 m0 d; qGeneral Requirement2 _' S2 R& R- f% l7 C( I$ d( D
12-010 Wiring in Ducts and Plenum Chambers9 k0 ]* H+ J1 }- c$ V' S
12-012 Underground Installations (Appendix B); r3 [, m0 ]3 ^' I4 i
12-016 Lightning Rod Conductors9 R( _; ^# n! \4 \" B, ~
Conductors - General
4 [1 D5 s# t, O# |12-100 Types of Conductors (Appendix B) Table 19, E0 [3 ?6 Y V* ~ [# h
12-102 Thermoplastic-Insulated Conductors
& R V) N- g3 [" U1 }- Q+ M12-104 Flame Tested Coverings
- [1 `/ @' n) X# A12-106 Multi- and Single- Conductor Cables
( B3 I0 {( l* w) v/ r/ G) a" ^12-108 Conductors in Parallel (Appendix B)6 m9 V) Z% s R
12-112 Conductor Joints and Splices% b0 l2 _/ ~* e7 I
12-114 Ends of insulated conductors; l* h7 F, G0 d* x$ p- N) S; Q( s& w
12-116 Termination of Conductors (Appendix B)- L) q& I& F' t6 U
12-118 Termination and Splicing of Aluminum Conductors
7 R7 p! Z, k7 c( Y! l: q12-120 Supporting of Conductors - Table 213 y& J/ e- A0 ]9 U- P
Open Wiring
5 j& g0 a8 m8 |6 }/ y& d( u( B6 e12-204 Spacing of Conductors
& D2 Z3 I# H1 I# @% i12-206 Conductor Supports
: u U! V5 x j12-208 Conductors on Flat Surfaces
) {5 x) Z9 q+ }12-212 Protection from Mechanical Injury
9 Z9 D% X( { m* Z4 ]7 Z8 ]Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
2 [. e: ^% u1 N3 N3 j: F# T7 c12-308 Minimum Size of Overhead Conductors" `# v l/ H0 ]; D& x J
12-318 Use of Neutral Supported Cables
# ]& p# i9 J% p# @7 t! ANonmetallic Sheathed Cable3 n q& m7 R6 i5 H
12-502 Maximum Voltage
9 y7 q Z0 [/ d3 q# Q3 O12-510 Running of cable between Boxes and Fittings (Appendix G)
! \& ]! L1 E% q3 R c12-514 Protection on joists and rafters
+ Q1 b' B3 W8 o5 {; s12-516 Protection for Cable in Concealed Installations (Appendix G)
' c# x& t& s8 d! ^0 W) q12-522 Where Outlet Boxes Are Not Required" d# H8 V7 [& v) L
Armoured Cable
7 C3 a6 \! u* M! W% r$ V12-602 Use (Appendix B)
; j% Z! I w+ T, }: p4 D* U12-604 Protection for Armoured Cables in Lanes* |1 I: }8 i/ X) z; P; |
12-606 Use of Thermoplastic Covered Armoured Cable
, }+ d. Q' e2 ?$ C12-608 Continuity of Armoured Cable
& e8 r& a* u& ^12-610 Terminating Armoured Cable
( G! w# n: B* l! W* H4 m12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems% y# i7 ^- M, C" K5 N
12-614 Radii of Bends in Armoured Cables
. X2 g: b P4 j7 g8 [12-616 Concealed Armoured Cable Installation
# [, b( D* O+ C- F) j9 z6 _3 F12-618 Running of Cable between Boxes, Etc, h: \2 @# P) P( F( L) e5 T
Mineral-Insulated and Aluminum-Sheathed Cable( ]9 E% g \( D
12-702 Use
( H$ b* x3 {$ n& ~" I7 O2 K. j12-704 Use When Embedded
. R; a1 r( h; x- W' J. I12-706 Method of Supporting$ {8 y& l, {9 Q8 ?
12-708 Direct Earth Burial
+ u" H4 ~6 s T9 ^8 N! g# E12-710 Mechanical Protection
+ E% U. x% l- p3 X6 a# @12-712 Radii of Bends
0 t/ E+ d% B2 a C1 F3 f2 v/ s8 H12-714 Termination of Mineral-Insulated Cable (Appendix B)% l% o* u) T1 R; @0 F
12-716 Connection to Other Forms of Wiring1 j+ n, G- U% z7 |1 e
Flat Conductor Cable Type FCC, A+ m8 v* g1 O. X; |9 [
12-804 Use Permitted
2 f* _- N" A/ t) [" z U& P8 U, Q12-806 Use Prohibited; h! h5 M) ?" ^- e4 ^4 ^
12-818 Anchoring
: P$ T+ z, w8 C b# o) J( a12-820 Crossings
], u7 ]9 Q! m9 a8 ~Raceways - General
R. T" C5 R2 U5 r: i7 u& e5 T' z- C12-904 Conductors in Raceways
- n' a5 X3 l1 D9 J12-906 Protection of Conductors at Ends of Raceways
) _) Z+ h: _3 t6 g12-908 Inserting Conductors in Raceways
! h7 n0 F+ S5 ?% K12-910 Joints or Splices Within Raceways
0 Z- y: o* R; Z12-912 Stranding of Conductors1 i; R2 X" w6 M" Q, b5 Q. P
12-914 Electrical Continuity of Raceways
! e* s: C& ?3 L9 P12-922 Radii of Bends in Raceways
, G+ `/ h7 P* R; X: k9 ?9 c; C4 zN 12-922 Radii of Bends in Raceways Table 70 s: \: R4 I, L2 B. U8 J# l' C$ M
12-932 Protection for Raceways in Lanes C q }+ D. o' i$ W
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
; H& l" ^* _4 B, A& m8 w! Q12-938 Capping of Unused Raceways
5 M5 O5 S* ?3 o: ]+ H2 ?0 n12-940 Maximum Number of Bends in Raceways
! f$ U& f+ u n3 nRigid and Flexible Metal Conduit
" q% U" U' k3 i/ Z+ N+ \- i1 G; U12-1002 Use
* J' Q& \" x; p1 R$ B; z12-1004 Minimum Size of Conduits
, R/ a# |6 l3 n& p. Y+ s12-1006 Conduit Threads (Appendix B)( a; S4 C% C+ G- G6 C
12-1008 Thread Engagement$ U* @" \, _1 h6 L2 g
12-1010 Maximum Spacing of Conduit Supports
$ K; ]; s$ B6 d9 B6 k) g/ H" g12-1012 Expansion and Contraction of Conduits (Appendix B)
1 z- j/ [, l4 _6 r# y7 q12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
1 @8 T# A. n# e! S/ h- KRigid PVC Conduit and Rigid HFT Conduit
a; ]& x5 ]* O6 G9 R, @8 {/ h, c12-1100 Use
; F2 w! r; L. |2 i3 v( q12-1102 Restrictions on Use
0 \6 n6 M, y$ N, k+ \) ]12-1104 Temperature Limitations (Appendix B)7 v( {" ^( W9 K+ {) W- ~" o
12-1108 Field Bends (Appendix B), (2)
6 o% k' X3 V( ]4 G12-1110 Support of Luminaires
; Q1 F: X J1 p8 m8 q( |12-1112 Fittings% Z0 G, u* u2 ]0 s9 D
12-1114 Maximum Spacing of Conduit Supports7 L: k& F0 G9 p& n8 @/ X
12-1116 Support of Equipment
" M2 c: e2 {, B- ?12-1118 Expansion Joints (Appendix B example). T; W& Q, ~) E2 x
Rigid RTRC Conduit0 {' C' ]4 Z) l1 Y% h
12-1210 Temperature Limitations
d8 G3 U( {1 o12-1214 Expansion Joints (Appendix B)
4 A2 E( I. m- wLiquid-Tight Flexible Conduit
$ R; s ?9 a6 k2 K12-1302 Use of Liquid-Tight Flexible Conduit
* I& N0 A" s) _( ]% b2 i12-1304 Maximum Number of Conductors
# b1 ~9 D2 c, @4 n# U12-1306 Provisions for Bonding
! N- w) ?/ D% K( s$ I4 n$ OElectrical Metallic Tubing
, R4 s5 o% H3 X6 p$ T12-1402 Use
6 x! h7 _1 K$ s. Q0 S: v12-1404 Supports
' m2 w* @/ C8 \$ g12-1406 Minimum Tubing Size2 F m k+ l" E5 K& T4 l1 `5 i# P
12-1408 Maximum Number of Conductors, G2 J# F. k9 k: a
12-1410 Connections and Couplings
; X2 d; |3 [! M1 w2 x0 E1 s- M12-1412 Radii of Bends in Tubing9 H6 b% r B% p
N Table 7
9 v0 J( `( i, d4 |9 ZElectrical Nonmetallic Tubing
x: _& a' z! _12-1516 Provision for Bonding Continuity
$ _( s- \. w5 ]; q' f2 ZN 12-15142 @! }- o1 W0 B! r# e$ r
Surface Raceways
4 P9 e( w, X# v12-1602 Use of Surface Raceway (Appendix B), O4 r x' h& h6 Q, W: O
12-1604 Temperature Limitations" q) D2 V @% V6 b T
12-1606 Conductors in Surface Raceways (Appendix B)% C( {; |9 U& \0 t6 a
12-1608 Maximum Voltage' o }* I! i1 C8 t
12-1610 Joints and splices
7 @( ^9 h: @" L) wUnderfloor Raceways# A: h* n$ E! k7 \2 ]
12-1712 Discontinued Outlets in Underfloor Raceways
: A1 p: g, w% i7 Y0 @Cellular Floors
3 t5 X" _7 d( b1 h9 `12-1804 Maximum Conductor Size in Cellular Floor0 S1 {/ |4 l* r4 M2 `( ]
12-1820 Cellular floor discontinued outlets$ v; ^7 |1 Y: e/ _, t2 K# U
Auxiliary Gutters$ Q# {) e. a7 L) ~% f! W; C
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
0 L" f$ d" o }7 C12-1902 Auxiliary Gutter Supports6 H- h2 g: G5 w4 n0 M, I/ i
12-1904 Auxiliary Gutter Cross-Sectional Area+ G. g$ p3 X; f+ t4 ~; b4 y' p; T
Busways and Splitters
9 |& I# E4 O# i12-2004 AC Circuits in Busways and Splitters
2 K- x' Z; r1 Y+ E& o* p12-2006 Busway and Splitter Supports3 b1 L( P5 h- q3 S: O8 e
12-2008 Method of Installation of Busways
5 C0 V& ]" ]) U; \) x12-2012 Reduction in Size of Busways
0 ?* ?, a$ ^/ y. S- p; j: e8 X12-2014 Length of Busways Used as Branch Circuits
0 I) d& W5 m" f5 M12-2018 Taps in Splitters
$ ]! h: K# q* ]% ?) _" t) jWireways
: ]$ X U2 u* r% G3 k12-2104 Conductors in Wireways! d) y) P& H7 Y5 z/ X
12-2106 Taps and Splices in Wireways# {3 |$ g6 V& M3 U. }1 N, t. x3 q
Cable Trays
; r H' g9 y$ t4 v12-2200 Method of Installation (Appendix B)' p( L4 M3 G) v. j3 y* d
12-2204 Joints and Splices Within Cable Trays; H! L- d! E0 k- V2 s* m; g
12-2208 Provisions for Bonding
% [2 j+ k2 O. N) H% ^ E12-2210 Ampacities of Conductors in Cable Trays% t, T9 J6 R% c" X8 ^
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
7 `) W2 H0 @& G% E0 U12-3000 Maximum Number of Outlets Per Circuit
) g: u, P! j3 O' O$ T0 {! ^- S- w MN 8-304
" K# _3 v" c9 P- z* C12-3002 Outlet Boxes (Appendix B)
1 e) w' l* v4 y6 z pN 12-3000
5 G, e% D* t7 a. L* Y12-3004 Outlet Box Covers3 |5 q! R8 l7 Q. Q2 e, \2 H: C0 x
N 12-3002
5 S! y5 O" z' q8 b2 G: k12-3010 Boxes in Concrete Construction9 r2 ?( V+ { g
N 12-3008. F7 M/ ?' w# v. D. N
12-3012 Outlet Box Supports
, i7 E5 w* [+ H0 J/ ?, [) v6 \6 }2 HN 12-30107 M; n% t# E9 W. Q9 i* e
12-3016 Accessibility of Junction Boxes
0 F. W: j& q5 t) H4 {3 Q# x8 XN 12-30140 v; S: s0 O+ q4 J* i; [, ^
12-3018 Flush Boxes, cabinets, and Fittings
; v! B8 g, F, k9 l2 u* E; u/ UN 12-3016 h& A' e% M+ \$ e
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
8 e! g4 e. Z. M; i- z5 @N 12-30221 [% X% }7 R. S( W6 D
12-3036 Maximum Number of conductors in a Box - Table 238 u) g- Q& f- S
N 12-3034! r( z* [' q$ J e
12-3038 Pull Box or Junction box Sizes) a7 M0 y# d6 b' s" M
N 12-3036
) J; K. J" {! W' F7 K5 V
# W- I* M1 u7 P6 G% _- _Section 14 Protection and Control
8 p; D0 [# ]- LGeneral Requirement
! l. X S" \: y14-010 Protective and Control Devices Required7 A5 ~- |4 a* P- K7 P4 F! `
14-016 Connection of Devices
. m8 _* p5 M$ [( h* [( M2 Z; g' w Protective Devices – General& d9 C. c: a. @' K
14-100 Overcurrent Devices Required
( \8 a% c- K6 `' g14-102 Ground Fault Protection (Appendix B)6 s8 w0 i0 x9 P; A6 g3 v0 c$ l
14-104 Rating of Overcurrent Devices (Appendix B) Table 13
# K# ?( }8 i( u% M14-112 Overcurrent Devices in Parallel
9 M7 y: W7 R1 t- u* P+ bFuses# _5 I: }! ^1 h+ i1 w; x' e' `
14-200 Time-Delay and Low-Melting Point Fuses
4 R- Q0 o, v, b+ o" [2 [1 @3 W14-202 Use of Plug Fuses0 g# D C9 }4 W! B P( n" D
14-208 Rating of Fuses+ |) t, T* H, l8 ~7 I
14-212 Use of Fuses (Appendix B)% L" B: h7 Q2 L D9 ]+ I' Y. E
Circuit Breakers) N% R7 M5 ? ]% s$ v: |: K; l
14-300 Circuit Breakers, General
2 V( w7 r+ q* B7 B9 X) N14-306 Tripping Elements for Circuit Breakers. h( k* } g/ h G
14-308 Battery Control Power for Circuit Breakers- g8 Y6 O, n! H, R$ A
Control Devices - General' G% N1 o7 l# Z \, } ^
14-402 Disconnecting Means Required for Fused Circuits
0 u1 S$ j. v$ P3 s E1 Z* @Control Devices - Switches! F, c9 x1 v# J9 q P, l r* z
14-502 Mounting of knife Switches) k' S+ L8 `% ]5 i$ O, m) G) V* m( X
14-504 Maximum Rating of Switches
0 h9 J; n' A& ?/ C7 `3 Q: }14-508 Rating of General-Use AC/DC Switches (Appendix B)
: ?. W4 W6 a% p1 z: E! m" `5 ~- a8 c4 f14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
7 i$ y' Z4 {3 E( x: OSolid State Devices
8 |4 M) |' N. B14-700 Restriction of Use+ Z" h% r' h% w* i" k
14-702 Disconnecting Means Required1 C, i+ j8 i) m8 ]
- T3 i% Z8 {$ a7 V- G( ]Section 16 Class 1 and Class 2 Circuits
' A1 Y8 U! ^. h6 zGeneral. ^% E" @) P; `. D; A9 x9 @
16-004 Class 1 Extra-Low-Voltage Power Circuits8 k% Z* ~% ]/ Y, W7 n' Q3 U* {
16-006 Class 2 Low-Energy Power Circuits3 C) {; P6 d- I" @# r" _$ A
16-012 Circuits in Communication Cables- H8 c& x" n7 Q6 h/ H4 W
Class 1 Circuits
% T( D9 P/ n4 p1 C; X16-100 Limitation of Class 1 Circuits
/ M3 m' f# A/ J$ k16-104 Overcurrent Protection of Class 1 Circuits
: b& ^& b( z7 d16-106 Location of Overcurrent Devices in Class 1 Circuits7 k4 h7 u# ? Z+ X4 x" F5 {
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
T/ C" S+ ^4 V16-110 Conductor Material and Sizes, @' B7 X5 d* N# y. L
16-112 Insulated Conductors for Class 1 Wiring0 _8 I" q5 e) h. y
Class 2 Circuits- ?3 g) G" D: ^) {3 K, M
16-200 Limitations of Class 2 Circuits (Appendix B) b, ?( a- y9 X; p& T: z7 M6 G5 ~) G
16-204 Marking0 ?8 O7 {- y% B% @
16-206 Overcurrent Protection for Class 2 Circuits5 q! w6 ]+ L. B5 j$ h( @
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)# i s7 M6 |4 T3 d* G+ O
ELC: extra-low-voltage cable8 _# i. G. j5 H) J0 N# K3 q; L
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
3 S& s9 {, T# G, [' Q; g
1 f+ C% v% k% s% dSection 18 Hazardous Locations
/ {& I5 w+ i) F$ LScope and Introduction
% o) n k( j& ~! J2 T5 B% @18-004 Classification
; H! v, P- Y5 B8 |3 l8 B! f$ \18-006 Division of Class I Locations (Appendices B and J)# r! M: r* n2 c0 L) y2 U
18-008 Division of Class II Locations (Appendix B)- e. X# Z2 O+ j3 X+ q! @5 Y
18-010 Division of Class III Locations (Appendix B)
8 ` j9 @6 e2 y6 G" f4 \: rGeneral
1 w9 n# m. l9 a! W( O* n( Z* H18-062 Metal-Covered Cable (Appendix B)1 ^ z9 |" ~: B: K
Installations in Class 1, Zone 1 Location
& C9 Y1 y4 v5 Q: q" t! ]18-108 Sealing, Class I, Zone I (Appendix B)( M+ _0 `" b7 d
5 J a( ?9 K, V7 H. tSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
2 O; M/ u; ?% E" x) x6 qGasoline Dispensing and Service Stations
0 _% c' Z" j3 t% A. l' w w/ I- b20-002 General
/ I7 Y- b2 B0 X1 P0 K: Z" R% p m5 h20-004 Hazardous Area (Appendix B)( `. m. e) N( }
Propane Dispensing, Container Filling, and Storage
" i9 s- i" d4 w- C20-034 Hazardous Areas - Table 63; v0 K' ]% T- U2 y
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
! D! D) T! ? |5 {! i20-062 Hazardous Areas5 ]: K& A4 k/ s- }9 d( |# o$ K F
Commercial Garages – Repairs and Storage g& U- L: |; x- k
20-100 Scope
& g: c8 y8 \/ a1 _ }$ h# K0 x20-102 Hazardous Areas (1)
; ]$ y5 Z+ y G& |. D" N- j, ~, _& D, |. S0 R
Section 24 Patient Care Areas
) p$ B: n2 w- v" _' l( }8 `24-000 Scope (Appendix B)9 _0 I8 F7 K% _# i( I
24-002 Special Terminology (Appendix B)
" [3 _# W0 u( X$ n Patient care area6 e. m0 H! p2 W% e3 B4 ]+ n, | T
Patient Care Areas7 T& b% m0 q3 ]# g5 f' w9 d$ t1 C
24-106 Receptacles in Basic Care Areas (Appendix B)6 E' f; i% S) z! D7 h4 z- v
Isolated Systems
7 Y1 e' N3 h3 w7 ~+ Y24-204 Single-Phase Isolated Circuits (Appendix B); G F& |0 F+ L1 u8 ]
24-206
# {; ~0 U- v. P d' X) t, i( k( f; ?+ c; ]/ t+ s
Section 26 Installation of Electrical Equipment. a$ O2 b0 T1 S( V. u; N `, a U
General# i' b& F% X9 ]& k% k
26-004 Equipment Over Combustible Surfaces (Appendix B)6 a& O/ c6 R0 m* v& [" g7 a4 L1 M5 I- ]
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
( [' f' _9 E8 O5 J8 S; S Isolating Switches5 x2 q* I2 T% r( ^ n2 I
26-100 Location of Isolating Switches
! g# `( C Y/ }5 j6 ?1 `; KCapacitors" B, P/ B) n- B9 @/ \9 i5 E& I
26-204 Guarding of Capacitors
! T& q p: H7 |% U1 R- w7 l26-206 Grounding of Capacitors
7 p' { X( F% ^9 q; ~9 r$ c26-208 Conductor Size for Capacitors5 S. D* [ K1 Q* d1 y8 j
26-210 Overcurrent Protection (Appendix B)
& c$ E5 X5 c4 A: s6 `9 J* ^% g* Q26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits% u' r" P$ {* W
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits+ o3 _$ w8 A3 m8 ?' T5 c# o
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
8 q6 O9 i3 P; f3 a- |: k% N26-218 Special Provisions for Motor Circuit Capacitors9 {) U' R6 E4 q5 r) E( v
26-222 Drainage of Stored Charge of Capacitors
1 M* e7 h. s6 z) _Transformers- K6 o( F+ j; t9 q1 \! N# u4 a
26-240 Transformers, General( G/ P' z+ ?, h$ [' v5 o9 z+ a
26-242 Outdoor Transformer Installations# a1 `1 q) i8 ~3 w
26-244 Transformers, Mounted on Roofs (Appendix B)
2 G. S; h: P- c+ X; r! e26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)2 h2 q9 d6 t. k8 ]) t& G& S+ B
26-248 Dry-Core, Open-Ventilated Type Transformers+ t+ X: y S3 B$ j3 N$ E5 l
26-250 Disconnecting Means for Transformers5 }) U7 x3 b- C0 ]0 y
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V/ r- E7 i+ j j* e; x D, ]
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
' v$ G6 z& `) c. P; h) y0 A; G+ a; _- {26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)9 i S% U. X! L/ t3 \; M5 \+ `
26-258 Conductor Size for Transformers
! i, F' Q, I' r8 h7 V26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B); I# L* M o+ v! m
26-262 Marking of Transformers
" T- _) S9 I8 _26-264 Auto-Transformers
. {9 z ]5 A8 D, A: }Fences) c" b+ F$ x5 e+ x7 | L* `
26-302 Clearance of Equipment - Table 33. A2 } ?2 j1 R
Panelboards( j$ r9 N8 d- T& [, g7 O
26-400 Panelboards in Dwelling Units (Appendix B)4 K9 B) @1 `& Z; A3 g
26-402 Location of Panelboards (Appendix G)8 L: h" Z: K8 r/ {. q
Lightning Arresters
, U7 R% O$ ] g' ]26-508 Connection of Lightning Arresters9 M6 S. V# E. H+ l
Storage Batteries
2 t, l5 c) ]0 a& {6 @* k26-542 Special Terminology% n4 V- @* g0 d4 i0 k8 _
26-550 Battery Installation
% N, S* P; d% i( p( J26-552 Wiring to Batteries
2 e4 S5 V4 w# GArc Lamps
5 L' Y( q( w( y: H0 m; N26-600 Location of Arc Lamps
. X8 A8 M. f3 |* U- l26-602 Conductors to Arc Lamps2 p* F$ N+ C7 K) U1 U. k
26-608 Globes and Spark Arresters3 j6 _; S# R2 E: Y2 [
Receptacles- _$ A1 h+ d6 i1 z% N3 d2 \- }
26-700 General (Appendix B)
1 D8 y, b7 L# k26-702 Receptacles Exposed to the Weather: S2 M1 r. m# r* x; X: H# b
Receptacles in Residential Occupancies
t- j" L2 X+ S1 X26-710 General (Appendices B and G): Z8 e% C* Y& W* Z
26-712 Receptacles in Dwelling Units (Appendices B and G)4 E. }- J" M0 ~& U) B
26-714 Receptacles in Single Dwellings (Appendices B and G), W! v9 W% Q' l
Branch Circuits in Residential Occupancies* K' u w/ J- |6 u6 c' g
26-720 General( s6 ^5 F: P1 q7 {; ?4 V/ A2 p( T
26-722 Branch Circuits in Dwelling Units* W% g+ d& [) o& D% X1 N- J- w/ ?8 R
26-724 Branch Circuits in Single Dwellings1 E& [8 R \8 K* U( \ n7 {* U
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
9 ~* v6 l, s yN 26-720 (F)
* W% V3 Q/ M, ^- hElectric Heating and Cooking Appliances; R! J4 B3 {+ A+ l
26-744 Supply connections for Appliances
- K" N1 R& u7 z" Q$ Y' \( w; Y$ W26-750 Installation of Storage-Tank Water Heaters
1 Y: r; m. j! D. a; y8 [ _26-752 Infrared Drying Lamps
! \; v h2 Y. M7 E
+ Y; |& l/ t' T* VSection 28 Motors and Generators( U! ]2 h9 i; R8 h, s: B
General
! L( ^/ K% }# O28-010 Special Terminology, \- @0 `8 I" |; q8 i8 l
Hermetic refrigerant motor compressor1 w1 w6 B9 ~0 ~1 O
Locked rotor current rating" I) y: w9 t$ ?8 _- h4 {- N1 N
Service Factor2 Q, y i/ x( q
Table 44; Table 45; Table-D29 j) G% V* f k, a, D4 G: C
Wiring Methods and Conductors1 V/ B+ U) I4 z" k u
28-102 Portable Motors. [* M! L( R* Z" q3 T
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity) ~8 `+ V3 `% [3 D1 d
28-106 Conductors, Individual Motors
, z, F' \, @. y% m/ S1 F" r3 |28-108 Conductors, Two or More Motors+ w/ t4 Y; L) S& h/ k
28-110 Feeder Conductors3 b! u, \; ^7 @, H: C: @
28-112 Secondary Conductors! Q9 q# f `0 a: ~& U3 T7 d
Overcurrent Protection0 m: ?6 a$ U% Y: s
28-200 Branch Circuit Overcurrent Protection( C4 \; D! @: P# |% m( ^2 M
28-204 Feeder Overcurrent Protection
! d! X6 a( @5 Y5 V. t( L28-206 Grouping of Motors on a Single Branch Circuit
5 H' q2 P3 x. }! L" l2 c28-210 Instantaneous-Trip Circuit Breakers (Appendix B)' Y2 h: V' {8 ^( H
Overload and Overheating Protection) _! }5 R$ k3 f- n* T; N; E" ~
28-302 Types of Overload Protection: }. o& Y0 }0 |8 F0 w# a& Q1 L
28-304 Number and Location of Overload Devices (Appendix B) Table 257 u* L4 ]( Y4 @6 S4 ]
28-306 Rating or Trip Selection of Overload Devices (Appendix B)! x; V4 h, R7 Y$ T5 ]. A7 E+ L& I
28-308 Overload Protection Not Required/ w5 |9 w8 V) b) j# r2 {" |' F% P. g
Undervoltage Protection
+ V9 V/ B' q: Y28-400 Undervoltage Protection Required for Motors (Appendix B); T" \* g/ {$ L* g: T! K! g, `) _
Control: y, C6 o- b" z* \
28-500 Control Required a" i5 q; q u( N3 T, }: t% M H. E
28-502 Control Location# B5 F0 `$ p8 L) D/ x
28-504 Starters Having Different Starting and Running Position4 h7 `3 X* ^, P! U7 Z) ~. [2 R C
28-506 Grounded Control Circuit d6 O7 Q0 ?7 u) v( X* Z
Disconnecting Means# \& C/ D5 @8 C+ K
28-600 Disconnecting Means Required
' V& I8 B% {' P* q" K: L' V7 _28-602 Types and Ratings of disconnecting Means (Appendix B)
' c5 e# b1 c( G5 l! A& B M# [# D28-604 Location of Disconnecting Means+ V7 d9 H+ T+ j" q' D* ^
Hermetic Refrigerant Motor-Compressors1 `2 W* B1 b2 g
28-706 Conductor Ampacity
3 ~* I7 U' X- A28-708 Overcurrent Protection2 M; `4 H. o. H* E. Y
28-714 Disconnecting Means# |/ o3 T- N X0 }/ m7 P( T. l, o" i& m
Protection and Control of Generators
4 H- W D6 f* U1 D28-900 Disconnecting Means Required for Generators
& @& I1 O$ c# R% x+ ~28-902 Protection of Constant-Voltage Generators
& J) ~; [3 z6 P$ k; q. W B28-904 Generator Not Driven by Electricity
& @" q3 U" A7 O. m5 H28-906 Balancer sets
$ M4 f# g1 F- n) U& `' Q" a* o* D28-908 Three-Wire Direct-Current Generators2 x9 Q8 w' K$ V; S. C8 S) G
9 u/ A8 t4 {( F# g1 A& g
Section 30 Installation of Lighting Equipment3 E1 {5 c0 j9 Z
30-002 Special Terminology (Appendix B)7 W( x: W4 n% F( |( F. U
General! y/ o+ o6 T; @3 d
30-102 Voltage
' F0 f- p7 f! K$ c30-104 Protection (Appendix B)
" A% m/ u# p6 E$ a- z. Q- I; Z30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment, f: e1 k$ B* ?7 w' `
30-108 Polarization of Luminaires
0 ?7 Q) U* x# u+ X# _30-110 Bonding of Lighting Equipment
& k2 @$ V8 X; o" {8 [' YLocation of Lighting Equipment2 e+ f3 r, K( w+ x
30-200 Near or Over Combustible Material
! \5 K ^7 h9 u5 l9 Z- k4 V# `30-202 In Show Windows! a5 R2 T2 ^9 L( I) @4 P3 ?7 v
30-204 In Clothes Closets
7 l6 L1 A3 `2 s( q8 V$ @; b$ a' HInstallation of Lighting Equipment. U: v# B: h1 |/ [" b2 q
30-302 Support* S" R- _# K9 k# i
30-304 Outlet Boxes to be Covered" u; u# f! a+ P5 i; B0 P( i0 F
30-308 Circuit Connections
' e# ?7 k9 `. f6 P& |5 Z" S30-310 Luminaire as a Raceway5 [7 M6 ?2 E, u" L# J: Y! f
30-314 Minimum Height of Low Luminaires/ f% ]0 A+ E: W
30-316 Luminaires Exposed to Flying Objects& A9 V) }& q8 |+ k6 W; `
30-320 Luminaires in Damp or Wet Locations
1 m0 f, G Y2 l/ eN 30-318/ c6 H2 D* }' `; Y
Wiring of Lighting Equipment
9 z6 `, y6 E7 J2 e, f' N3 }9 K30-400 Wiring of Luminaires7 I% d. t: x- W* V* H
30-402 Colour Coding+ K) z) v4 ^6 \1 A' \; B- z
30-404 Conductor Insulation6 t: H" K1 G/ _& v7 N" @8 F) L
30-406 Conductors on Movable Parts, e/ x9 t, K/ F8 @
30-408 Wiring of Ceiling Outlet Boxes2 h( M, q5 q; R6 M! f$ A1 g
30-410 Wiring of Show Window Luminaires# @' h4 E. u( y! V1 y+ Z, T, W
30-412 Tap Connection Conductors6 v2 m$ Z, u" m2 W _! S
Luminaires in buildings of Residential Occupancy
8 `2 }, r* }3 s$ L( L* w30-500 Lighting Equipment at Entrances (Appendix G)
q% }2 M7 a s$ b30-502 Luminaires in Dwelling Units (Appendix G)
( L D* \9 E6 d% V- T. c: b" Z30-504 Stairways (Appendix G)
' g( A7 [0 t8 Q: w/ T30-506 Basements (Appendix G)
3 [: y e3 o a! X3 F( B30-508 Storage Rooms (Appendix G)
' n$ C5 S R7 g* h30-510 Garages and Carports (Appendix G)
' V4 B, F. Y2 b& w `( _8 @; z" y! pLampholders2 e6 A" C4 g% t3 y4 W @% Z1 Y. |
30-600 Lampholder rating with Incandescent Lamps
& v0 q4 Y# I2 \- Y: D$ p& |/ g% FN CANCEL# S# y+ P$ U5 C$ D, O
30-602 Connections to Lampholders
. q B" N Q. B) ?, p. s G. |' rN 30-600. v1 C. a& A% { \' n8 O
30-604 Switched Lampholders Used on Unidentified Circuits
' s8 f4 g& e: j: l& g; LN 30-602
4 \- A+ Y$ i( @; K; \, _- A30-606 Switched Lampholders with Pull-Type Mechanisms
: V& ?5 B$ f3 x2 X6 ]) YN 30-604
. P2 b. R; ^7 s3 K5 R30-610 Pendant Lampholders4 v, Q" G( R7 G* _* H$ R! R0 d0 g
N 30-608
- | c/ \( B, G5 ]0 s5 R8 B* e' Y& h) u1 bElectric-Discharge Lighting Systems Operating at 1000V or Less1 R; C1 L; v% ^' G) \5 I1 E+ k
30-710 Control (Appendix B)
& H/ b0 b/ {$ M# M$ t30-712 Branch Circuit Capacity
, z# R0 c7 a" P' z3 VElectric-Discharge Lighting Systems Operating at More Than 1000V, t6 v) W6 [3 c7 [
30-802 Voltages, Dwelling Units8 [' k B0 _0 Q' E
30-804 control (Appendix B)
5 K: U5 k2 f- A1 x- A" m$ rRecessed Luminaires (Appendix G)
9 \% [; i2 r1 O# K' ^30-902 Spacings for Non-IC Type Luminaires
( v' @% |& [" _6 ^, ~! u30-910 Wiring of Recessed Luminaires (Appendix B)
$ r1 V8 ?! s: R7 DExposed Wiring for Permanent Outdoor Lighting- a+ \- u h/ I
30-1120 Branch Circuit Loading and Protection4 U }% ]. g1 d/ {
Extra-Low-Voltage Lighting Systems
8 \& t% _0 ]3 n' C4 ~30-1202 Sources of Supply
3 Q7 d/ V) L' y+ i1 r' d
* {- {9 R$ N, E; S4 V, }# b3 i" zSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
5 i/ I: \9 p% ~Fire Alarm Systems$ }# z& u) J$ t
32-100 Conductors% M+ b. U( {2 S4 ]7 B. V4 S5 X
32-102 Wiring Method: {/ i) N T# ^, i }2 @. @9 f
32-104 Equipment Bonding
3 M4 h/ u7 Z' }: a5 h32-106 Electrical Supervision
, `! l! r; \4 ]* b8 L: l32-108 Current Supply! r3 p6 [4 O0 z! }
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)6 T+ K4 t/ }9 S0 j1 H* g! W
Fire Pumps4 G2 f, } b- w2 ~
32-208 Overcurrent Protection (Appendix B)& G7 T2 B$ l, p" W, A, w
N 32-2068 G* H$ |# B- m- w& b P0 y, \
32-210 Overload and Overheating Protection (Appendix B)$ m% u$ M$ i: J% W6 O, y
32-212 Ground Fault Circuit Interrupter (Appendix B)
) Y: S3 r5 g: J$ ]$ W
3 e% Y& @2 T' g$ `2 N8 uSection 36 High-Voltage Installations
7 R8 Z* P( ]+ S' N4 fGeneral+ N' h: a" Q$ r+ w$ M% p
36-000 Scope (Appendix B)
1 B# ]0 I2 u4 V# _3 Y36-006 Warning Notices0 Q9 m" S2 g3 c/ {
Wiring Methods
3 [" o% Y3 b0 Q5 t7 y36-102 Radii of Bends
_ T' j, E# Q# ^8 r" e36-104 Shielding of thermoset insulated conductors( ?/ _8 m* ~' l2 j: E3 e
36-108 Spacing of Exposed Conductors (1) table 30, table 31
, m! C' s4 c' _* ]0 y2 a36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 341 T4 l: f; U" d: H
Control and Protective Equipment
9 n1 | W, E0 E36-214 Disconnecting Means
3 M9 j) P' ?9 o' V4 _ Grounding and Bonding/ t L _/ s4 {4 Y, t
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections! ]8 O3 o. @, O; ^
36-302 Station Ground Electrode (Appendix B)3 j" N+ q$ F& u: E ~
36-304 Station Ground Resistance (Appendix B)
- ~, s8 `' s N3 I36-308 Connections to the Station Ground Electrode (Appendix B)# J" w, M) }: A. s
36-310 Gang-Operated Switch Handle Grounds$ J" b. ]7 x' u( b& Y/ ~ |
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations1 Q4 Y! f% }4 l4 d" ]
# @# g3 @& A& e* ~% \% MSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
7 W3 {% X8 |6 e& q* W, @) Z" o38-002 Special Terminology (Appendix B)
- G: I/ u" S5 b8 A# Z" r38-003 Voltage Limitations (Appendix B)
% J; y$ ~ b0 B# l4 D: B/ d2 V7 q" [38-004 Live Parts Enclosed
/ f& `# a6 O( A7 L+ N: Y$ y38-005 Working Clearances4 g, r, w: X5 o
38-011 Insulation and Types of Conductors
# ~0 M' D! n$ p4 U) G- ~0 J1 K7 F/ A38-012 Minimum Size of Conductors
' Q3 U3 q* J* d8 s5 @& X% a7 Y& w) o2 I
Section 40 Electric Cranes and Hoists9 \, i' [ ]+ W+ f- H
40-008 Disconnecting Means9 _) U% G# m4 ^
40-010 Main Contact Conductors. s* h2 v) k. |/ ?# J0 K; f
1 c& L% a( L/ r w0 E4 jSection 42 Electric Welders0 n5 n/ \9 k0 O. ~3 Y& {/ _
Transformer Arc Welders
! H2 M3 K% g, l ~% J42-006 Supply Conductors$ ^, F6 N3 o$ J, e$ g
' [2 Y; I" m$ r4 Q& oSection 44: Theatre Installations
% {( k5 V! R4 Q8 l8 CGeneral
, W3 \ [0 B$ L, I1 Y44-104 Number of Conductors in Raceways$ A4 N( ?$ G5 c2 s# N5 \1 c) p
44-106 Aisle Lights in Moving Picture Theatres
6 s0 w b/ T7 n C# S2 ZFixed Stage Switchboards5 Y! f5 C) k9 z) Q: [; W+ }2 ?/ ^8 l
44-210 Overcurrent Protection
1 h/ t& R# _0 S j( Z' tFixed Stage Equipment
2 g4 ]) t) N$ y, R- i% P44-324 Receptacles in Gallery Pockets2 o9 _6 }6 d; }5 S7 H6 i3 y
44-326 Receptacles and Plugs0 n6 @, Z) I) E, U+ F2 |& e
# ~8 q; e9 X# Z, T) e+ q
Section 46 Emergency Systems, Unit Equipment, and Exit Signs0 `) T6 }1 d8 O y
General
; Y/ c8 O9 J e. _46-102 Instructions
9 r8 D. A, R1 k$ o46-108 Method of Wiring (Appendices B and G)( f1 n' o/ M/ {, b
Emergency Systems% p R. t% [% \$ a* h7 o& D
46-202 Supply (Appendix G)$ ]$ H& \- H$ o
46-204 Control3 q3 f. M: c& L8 Z$ H
46-206 Overcurrent Protection5 u4 |8 b: N* n8 V% G
46-210 Remote Lamps
# c% c1 \- g7 y/ w8 Y; LUnit Equipment
g/ A j- t5 w0 I- Y46-304 Supply Connections& ?& S4 j7 p$ u2 n5 q
46-306 Remote Lamps (Appendix B)
5 a& G: g8 W0 ~Exit Signs+ w% O+ l2 [% J& q
46-400 Exit Signs (Appendix B and G)
4 P2 d$ y7 `/ D" ? Y; t2 X. e( G4 C" c/ o
Section 54 Community Antenna Distribution and Radio and Television Installations
& s* Q$ Y) S, d" [54-000 Scope
7 _5 s0 B. _* M! m2 h54-004 Community Antenna Distribution (Appendix B), i: }: H8 y% q) |0 D
Community Antenna distribution9 u# v' z. x( L1 V
54-100 Conductors9 v7 q. ^8 k* ^' o- b
54-102 Voltage and Current Limitations (Appendix B)( u! N3 R8 U: A1 n, O) l: v/ u
Protection/ p8 ~2 G& E4 J% Z; t3 X1 R
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
( c1 h, G( M. b, r; O( KGrounding
: K# }1 B9 q2 J54-300 Grounding Conductor1 ^' r: S% t: E# u6 X
Conductors Within Buildings
5 b' v. S& z( r S8 ~$ I- K' E# S54-400 Separation from Other Conductors
& r2 O5 ?' c$ Q3 z0 [) _Equipment; [; p# r2 @' t$ Q; O' U' i
54-500 Community Antenna Distribution Amplifiers and Other Power Sources
" a. I6 o* J. C8 Q* b54-502 Exposed Equipment and Terminations
* d" C$ ]9 h# |& \7 v! f/ l3 R
+ s; g) P' M) s0 N8 ]9 V, ESection 56 Optical Fiber Cables7 x8 I, Y6 h. C: v7 p9 D
General2 S' E$ w8 V, q3 w. M
56-100 Special Terminology& n7 e+ J. `& Z' b$ h/ \ }6 t
56-102 Types# E" w% c) K7 u4 V# U( s$ `
Installation Methods
, M6 E9 L$ ^1 z8 Q3 D( n56-200 Nonconductive Optical Fiber Cables (Appendix B)
( O) A- ?/ J% j* X( k56-202 Conductive Optical Fiber Cables (Appendix B)7 X9 m- t- j* W! Q1 x% L
56-204 Hybrid Cables
0 g4 w( ?5 G; w9 [, s56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)% H% x0 q+ n0 |$ u* ?
; W( U/ `; T# _" C1 X* { X5 vSection 60 Electrical Communication Systems; Z8 X7 [5 l1 d
General7 l* Z5 v+ _* K* k
60-100 Special Terminology# V) k" b; v1 w# b; K
Protection
/ ^$ Q$ C! c' S. i60-202 Primary Protector Requirements: e* }. W& A) y f! R3 w0 ]& j
Inside Conductors0 G* v2 [0 o* m$ M: r
60-308 Separation from Other Conductors
/ i$ ]3 N# g8 \* S8 \Equipment& p8 A8 d" Y4 `( ~7 [7 X) Y: ~
60-404 Exposed Equipment and Terminations# L- A- e* W8 M0 W( x
Underground Circuits# o# \% U1 V# ]: Q2 Z
60-600 Direct Buried Systems
% Y0 r- f0 _/ r: x7 w3 F9 A/ v, x6 n. r. Y, M" x" w
Section 62 Fixed Electric Space and Surface Heating Systems
# @5 ]! e' k) o ZGeneral
0 h6 R* T8 U) I5 F- x5 s62-102 Special Terminology
# v6 W# g& o; [2 l, t* i$ _62-108 Branch Circuits( Y* ^ f$ w Z( s9 E6 t) j
62-110 Installation of Fixtures" x* P# |2 y/ W. A/ P; X
62-114 Overcurrent Protection and Grouping (Appendix B) (5)" d8 p/ }, F7 y/ F# j# o# `
62-116 Demand Factors for Service Conductors and Feeders (2)( N) \ ~! t- l
62-118 Temperature Control Devices0 B/ k, J Z3 l n" o& B
62-122 Installation of Series Heating Cable Sets (4)(7)
3 M: s; O( N1 l! W: HElectric Space Heating Systems, P- Q+ L7 t/ l4 z. M! @
62-202 Temperature Control
1 z% t' W/ Y) g& W6 y" ] I62-206 Proximity of Other Wiring (Appendix B)
3 v, Z8 t! S3 ?0 a+ F0 V: j! A! D62-214 Installation of Heating Panels and Heating Panel Sets2 E f* z& M) ]8 Q" _$ m) x4 n3 K
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
8 `$ S$ U# l9 H" w: a2 f62-226 Installation of Under-Floor Covering Heating Panel Sets) {& N( @, G1 B6 R. k7 F% x
Electric Surface Heating Systems% M3 [2 l6 r# k' |" F# M+ d9 k* u; h
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
7 ]" p1 _; e/ Y& |" g- H. G/ i2 p( q1 b
Section 68 Pools, Tubs, and Spas
) \$ S0 J2 Y+ C6 g& s" ZGeneral
3 G4 {- I) Z) v6 T5 ~- g' R0 ]' f68-050 Special Terminology
( u, W% o" k8 F$ j2 h68-056 Underground Wiring - Table 61$ ^% z3 L: v! }0 u
68-058 Bonding to Ground (Appendix B), o; O$ N4 _9 p& w$ N7 I k6 E
68-060 Junction and Deck Boxes (Appendix B)
}# o* t$ A# e- r68-064 Receptacles
! L, h& Y' w1 ?! g% k7 n( s68-066 Luminaires and Lighting Equipment' r% j, L8 ~5 A+ i: ]
68-068 Ground Fault Circuit Interrupters (Appendix B)+ i" S% V& L* Y( G
5 z% m* w2 V$ K$ ^Section 70 — Electrical requirements for factory-built relocatable structures and : T) m4 e% y' g3 I5 M5 h; Q/ J
non-relocatable structures
+ }0 x0 |8 J6 D. s( `% I70-130 Tests (see Appendix B)
4 b- t5 p/ `9 c) ~2 x. b L& `, v; h' r
Section 76 Temporary Wiring (Appendix G)
$ i, P* h, c z# ]76-004 Grounding% \- v2 U* k' r( A
76-008 Service Entrance Equipment! D$ ]; X9 s3 e' A, }. q- F; i6 P
N 76-006
- E( V$ m! V/ K. w, d* K76-014 Branch Circuits- r1 ?! X- b5 U5 u
N 76-012, S+ E1 N" R2 I7 m7 D0 n
2 r* ?& T d" J0 @, V" t2 C7 pSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours& R- u1 w5 L# \# D" j
Marinas and Yacht Clubs1 |4 e8 O: D$ c j1 F3 ?. K% b
78-052 Receptacles- g7 e+ W/ p8 K
78-056 Feeders and Services# `$ Z6 Z' R, P/ B3 `5 y% w
Marine Wharves, Structures, and Fishing Harbours
4 z* ^ c; Q! Z8 l& t& m" t2 p78-106 Grounding and Bonding( {% u, x) Y) J; \. [9 p
Tables2 o; `: P' B! C& T5 q5 g
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65# {4 L/ o$ r0 o
1 U! @$ ^2 W; d9 i8 Y d, e1 ~Diagrams: 1, 2, 74 e/ d9 `$ m2 d) D3 j& f
- R% p1 q$ X) b, b- T; p* KAppendix B0 W) x' Z4 e; Y% i2 I* M; M
P352: Ground fault circuit interrupter- 6mA7 f/ a* D6 R' w) S( d% \6 K
P354: 2-126 FT1, FT47 c/ Q. s2 J( x) ]
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
* r9 g6 q+ D4 `% Z# IP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
; d" ]. w" C9 ^9 [6 YP370: 12-1012, 1118, 1214 Example:% x# v( ?& T" C' I: R
P371: 12-11083 u7 e" ]0 |; Y- N4 l: r7 `$ ~6 o
P381: 18-108(1)(b), 18-158(1)(b) P% q* ~, Y% c# V/ v
P386: 24-206$ P( b q* C1 F$ I
P389: 26-256, R! E0 e; d: R6 N; E' M
P391-P393: Section 28, Example to determine Motor Conductors and Protection! l; e6 W3 z% e n# ~5 G* O6 x, v
2 x4 S: v) G) A- u! `: S7 ~- a
Appendix D
; r9 Q% B( }2 [1 W# t \Table D1, D2, D3, D4, D5, D6, D7, D16 |
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