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Canadian Electrical Code Review Guide; d- l& a J$ x) b7 U: b
For the Exam of Electrician For Red Seal License, _. e. N4 S* X8 \8 @
; t/ C: w) d! X# Z: BLesson One. P/ o: _- h" w' {( w {3 j+ [
Section 0 DEFINITIONS( H l" F4 B1 o6 Y3 P
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:4 V9 `' w$ K) Y( q+ _( y
Accessible as applied to wiring methods
2 M- d8 S" e5 A# iAlive or live: U2 `6 T: C Y7 h% Y' I
Aluminum-sheathed cable
0 w$ U& E/ t& J1 z; h2 i" s0 LAmpacity
* C# @8 g9 w7 L! vAuthorized person
$ q3 O0 B4 y, d- i" SAuxiliary gutter
1 o$ E3 a$ X) G0 R5 dAWG
9 i( _- C9 c: x: |Bonding9 w& J9 E' ~# U" t8 C1 y6 D
Cable tray7 r1 d9 M v2 a
Cellular floor1 m3 z2 h6 _" @2 o/ ?0 ^8 A
Branch circuit
- m8 |4 S1 y9 SBus( O7 t- l& A ^( q( w6 `
Busway' ]9 M+ ^* H9 I& L i# t) \! \
Communication circuit6 S4 T+ [3 p2 N5 s) F
Extra-low-voltage power circuit
( w7 x( C& Y' }7 E0 x vLow-energy power circuit ^" @$ t# p" n0 t2 f
Multi-wire branch circuit; ]8 ]$ E) o/ y: M
Remote control circuit
- `& e# \8 n- ISignal circuit
, F; Y6 `! }( V7 C4 @Circuit breaker
' u6 ^7 I( J. V DInstantaneous-trip circuit breaker
1 z+ X& c, p% Y# u+ V9 vConductor
/ @, m/ y. o) w1 n1 C( g' LConduit, d, _: y' p' Z5 J; v- C
Flexible metal conduit
7 t% b T u: ]1 U3 L Liquid-tight flexible conduit% [0 N3 ^ v ^ L+ \8 T
Rigid conduit0 T! Y$ l f6 I8 \ ]
Rigid metal conduit
) s" Q$ I9 V' Q& J' V. ] Rigid nonmetallic conduit
U+ U0 Q. o# Z- j) H/ r Rigid PVC conduit7 e0 d, A7 U! b' P1 m1 H
Connector
) `: E5 U& M' b7 j z( ^ Box connector* v# S3 `8 F) D% R9 u7 ^" u
Wire connector1 `, {9 H V+ u+ o9 U, g5 i
Controller
- k! G) D6 x1 JDisconnecting means
- b4 U- v. a+ [$ |& P# f& YDust-tight& g& a0 z& J1 }2 a4 Q
Dwelling unit/ l. }# r! z+ W
Electrical contractor* p* l# o/ s3 T4 i$ {
Electrical metallic tubing# e' x$ j' `3 g3 f/ d6 |
Electrical nonmetallic tubing7 T( A4 m# L# Y( d& c: P7 t
Emergency lighting e7 t( c7 V1 r; z6 F! H
Explosion-proof3 x4 u5 U- R3 U% w9 s; S1 ^
Extra-low-voltage power circuit" t1 m& c" X7 U+ S
Feeder; S. K( v3 w+ d* H" |' D, E6 G
Flexible metal conduit
4 Y' M7 C6 c3 w* d; {. MGround
# v& W2 G% F4 F, dGround fault circuit interrupter
! P. m% i7 c; n% Z! yGrounded
\+ c) ^- U4 L. J* q7 _Grounding; Q6 Z( y0 E, B7 t7 U/ @
Grounding conductor
6 i3 H; z O0 M$ F$ t/ qGrounding electrode6 T0 D* P! [: M% \- W2 e
Guarded, _; }0 L4 D* h5 l
Hoistway
1 T' v/ J y4 i( X1 r/ Y1 \Identified
1 X: I3 {) W/ Y) [5 ~Lampholder
0 ~: V6 H5 Y1 Y9 O6 Q% |Low-voltage protection
7 P6 z9 j* t C7 G( MLow-voltage release7 |1 i/ N5 U7 r# p- D& ?/ R
Neutral( `, j8 ~7 ? a9 `
Noncombustible construction
& m0 t3 G% c) h' s# \Outlet; h- d' B, A* {& s9 R) ?
Outline lighting
: y. s1 b1 a# _$ D n# {Over current device* G/ Z5 } y% h( n6 Q" w- V
Overload device
) G8 C9 F1 S7 mPanel board
1 i7 V* b2 S8 }6 ^( m5 m2 ~+ ?Panelboard, enclosed! x% B. R9 y5 K: s/ A9 n" g% e; R
Permanently connected equipment
% j! ?9 Y3 n sPermit
2 u" R) A- w4 |Plenum! h- F1 C6 A2 h3 G2 B* F9 x
Portable as applied to electrical equipment2 P) ^3 S; V, r2 _4 [+ f- s% j5 @+ [
Portable ground fault circuit interrupter7 @" s& G. N+ V3 q* V5 H
Power supply cord
+ S7 W* f5 |( V ]; J: ?% M0 xRaceway( ]" V8 t) ]; J) P$ U* |! L! Q
Receptacle
) U; h" H% \( a& }0 `6 m Duplex receptacle+ f/ J& Z# ~/ n& N, C& p+ ~
Single receptacle* B3 I; H+ J7 [9 ?
Split receptacle6 M. S' Z' z7 W
Service, consumer‘s
9 ~' B, B$ Y! {+ k9 kService, supply; G6 B! Q @# p' W
Service box
# _# v# K4 c. pService room% w, a3 k% R0 v2 Z& \
Single-dwelling
, j6 m. D' |5 {- {0 u' V2 _Slow-burning as applied to conductor insulation
1 L. \) P5 k2 T0 eSplitter3 P# {$ _! B% K. F. U
Starter7 T: q% i$ ^; d" K. F
Switch7 ^: A, z: l' `% A
General-use switch
5 d" s! W2 K6 [2 l Indicating switch
M+ t/ r- H; w! {- n Isolating switch1 m0 Y6 `9 }* U# g$ n. m. B" ]- Y
Motor-circuit switch. Q, _" v+ z* _/ h6 i
System
+ ?: H F+ N) g' O) T" T6 P8 Q Communication system* j7 w, C( `* d- X! X2 j3 a
Community antenna distribution system(CATV)" U S" L% s% J1 k) J
Grounding system
$ k9 W+ N* j) dUnderfloor raceway) i( m+ n! e/ M& \$ ]6 B. A
Voltage:2 k4 A2 F4 z5 N& S1 j
Extra-low voltage
. S3 `) T% a* i4 y: c4 p High voltage
" o0 [' y& g/ s* q( Y4 C Low voltage
. C2 `3 ~* G& R- rVoltage of a circuit2 f. @) x x, Y
Voltage-to-ground
8 Q6 G' u4 [: d0 \: I$ n8 t; I+ gWireway! N( v* a5 \! e, E
" Z8 d8 l' E6 ~" G/ J1 m4 WSection 2 GENERAL RULES$ G# K) C# _8 u* l: y* _, b4 Z
Administrative% e p( |2 _3 U# F5 W
2-018 Reconnection! N# P" C6 z( P0 Y q1 U4 t
2-030 Deviation or Postponement
' t6 t/ j& l2 YTechnical General
& N" a8 ]$ S0 ^: x8 x# c2-106 Circuit Voltage-to-Ground – Dwelling units
( h, S' V4 r) r. `7 {2-114 Soldering Fluxes. ]! u, _7 A( N* @& Y7 B
2-116 AWG Sizes of conductors; T# y6 a$ z% J9 ]
2-124 Fire spread (see Appendices B and G)2 | P) F: `+ n0 d
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)# ^" F. m* \& a6 H
Protection of Persons and Property
, p, a6 E# g4 H& r8 T1 H3 m8 c2-202 Guarding of Bare Live Parts
z9 G8 g, _+ K" V7 ~ JMaintenance and Operation
7 C" U1 U- J! Y9 b# s$ P) o% @4 K2-304 Disconnection
0 z3 v2 c1 k5 N1 d2-306 Maintenance of Live Equipment7 m4 Q. N6 v2 N6 k" v- c& B3 k' N
N 2-306 Shock and flash protection (see Appendix B); @# ?' o# ~7 S) e5 {
2-308 Working Space About Electrical Equipment: Table-56& p: m$ [- h: N
2-310 Entrance to, and Exit from, Working Space3 c! g" n3 L' k
2-320 Drainage
7 k/ [& A: o/ D# _0 Z2-322 Electrical Equipment near combustible Gas Meters and other Devices
& S" Z8 a0 [. [& u0 ~5 I0 q& _Enclosures/ ?2 @( P5 }/ x" a
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) , D l. H0 e+ J' A9 f
2-404 Marking of Motors: DP, WP, TE& \7 `9 ~) }0 I% H; K. k) k1 m
, I p6 I# ]/ QSection 4 Conductors
7 }8 R" x3 Y l- _% W% v5 ~4-000 Scope8 I$ s0 s8 g! B% q2 c4 P- f
4-002 Size of Conductors: 14#, 12#/ i- x* g( A, b
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
# d1 m1 k! ?0 p" A8 q4-006 Insulated Conductors: Table 19# ?; F- @( N+ L9 [1 m
4-010 Uses of Flexible Cord: Table 11/ q! ^2 V& p5 @" @5 K, _/ x
4-012 Sizes of Flexible Cord& W( {% Y+ U% y) e) O+ w8 I
4-014 Ampacity of Flexible Cords: Table 125 R0 ~+ M! i2 Z; z+ S
4-018 Equipment Wire
# D- t& R2 `0 Y" Z$ u; }# {' c4-020 Insulation of Neutral Conductors
2 c& l' \* G6 ]% x4-022 Size of Neutral conductor
- j, p7 _. {& U ]- e4-024 Common Neutral Conductor; \0 f" l& I9 v. z: p
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum* e& V- f6 F$ l K+ j
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
: Z D( f! J: q4-032 Identification of Type MI Neutral Conductors7 o% D4 ], f- D- ~0 \- l4 u! T
4-034 Use of Identified Conductors
3 p, W* n* ]/ j6 b4-036 Colour of Conductors: Phase A, B, C, …% V: P9 Z8 e- R& v
" N, R# T+ e1 ^8 G& d! m% y7 K
Section 6 Services and Service Equipment7 z& Z* m9 U8 {9 y. Y+ L
General
6 b+ _' Q* B/ ^, c0 j h6-102 Number of Supply Services Permitted
1 I: w7 F0 n$ A/ r6-104 Number of Consumer’s Services Permitted in or on a Building/ I2 ~$ T! b9 C' `, L% e2 }* O
6-108 Supply Service from an Electric Railway System
4 K- J9 j5 Z6 v/ O/ ~" d6-110 Three-wire Consumer’s Services _+ |2 Z, C- W4 Y& B* M) F
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors- L x1 k7 X9 i
6-114 Methods of terminating conductors at consumer’s service
' S* |* y: ]/ L& L+ y- k6-116 Consumer’s Service Head Location
$ S9 h, Y& E, d% S; x- @$ r! T; ^Control and Protective Equipment) D5 n- a& g" D3 Y7 }$ E2 ^
6-200 Service Equipment
4 _" c6 h2 d* M6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)% H1 G/ ^2 B' j1 w. p: P
6-208 Consumer’s Service Conductors Location
6 W3 j% g4 t. d9 m6 v& p: T' Y6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
/ l7 B" _8 r* v3 e4 t( V! `6-212 Wiring Space in Enclosures
* @' r; c8 r+ v% h) T6-214 Marking of Service Boxes i) @% Y$ {* g) H3 ~; V* p& c
Wiring Methods* t' O" i0 {% n
6-300 Underground Consumer’s Services; w+ @- y4 O4 W3 U
6-302 Overhead Consumer’s Service Conductors
- x9 O" T; o1 C# Q" Z1 f5 `6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable- M- k4 C, M& A5 C
6-306 Consumer’s Service Raceways, {1 P$ P% z7 [. v
6-308 Use of Bare Neutral in Consumer’s Service) }" F7 p9 w: ]+ D6 l$ X
6-310 Use of Joints in Consumer’s Service Neutral Conductors! d' L7 |& J8 K4 Q+ U3 a2 g
6-312 Condensation in Consumer’s Service Raceway
5 a9 l4 ^( k+ g1 P k0 A q0 W. wMetering Equipment. V* I# E* w; v' l( I d
6-400 Metering Equipment9 v% t3 }3 A" x5 \$ S. x5 \
6-402 Method of Installing Meter Loops
- F/ f2 M. n/ M6-404 Enclosures for Instrument Transformers
+ L* y/ _7 | Z$ s* m' n6-408 Location of Meters$ |0 F8 z3 S% ~
' v* i6 J- v. E+ S( [1 Z* Y1 YSection 8 Circuit Loading and Demand Factors1 n3 b! D. E; c. Q" X: E+ v% l
General
" U& q8 l) b! i- z2 I8-100 Current Calculations
, o3 d! K0 w7 q2 `1 m( Y) _7 K8-102 Voltage Drop ( see Appendix D); y; C& T* c" A6 G9 F* K
8-104 Maximum Circuit Loading
0 ~4 ?( v8 X( T5 ]8 I8-108 Number of Branch Circuit Positions T9 }% a1 D8 z' V
8-110 Determination of Areas
. ^" X6 l) z' k* e/ ?. P IServices and Feeders: A! W+ E" P) a/ K
8-200 Single Dwellings (see Appendix B)5 q6 h& n! V+ ^# R2 p
8-202 Apartment and Similar Buildings( Y2 o d3 Q5 E' j4 C2 b$ r8 a. r
8-204 Schools6 X* ]2 e$ P" Y( `$ F( y8 K
8-206 Hospitals! {4 O- e. i( [* X6 B
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy# |6 F; a) n4 l. E% p6 H! B
8-210 Other Types of Occupancy (Table 14)
' l8 O* a6 Q; d% {: y$ l! P8-212 Special Lighting Circuits, e. h' Q* z# O9 s# J8 ^; C1 }" C
Branch Circuits
" N9 l! z) X, k8-300 Branch Circuits Supplying Electric Ranges( J/ M7 j( J8 I! k1 ^$ M/ P
8-302 Connected Loads$ B2 ]4 T4 M* s" K' v! L
" L! Y+ d/ l. a0 F. YSection 10 Grounding and Bonding
! p2 k* y$ R2 l) V8 h* {! m6 qScope and Object
; O% l( \3 z, h6 ?10-002 Object f( F& y) A2 c, d; p
System and Circuit Grounding9 P, }2 {* g/ `& O; b: t3 m, @
10-102 Two-Wire Direct-Current Systems
; r3 J2 c h; ]- Q! I6 c% `) I10-104 Three-Wire Direct-Current Systems
! a! f1 y' m3 R. h5 W7 N6 D10-106 Alternating-Current Systems
0 z Y& f9 m9 V1 @10-110 Electric Crane Circuits
* ^6 }9 d1 Q2 d, ~: {10-114 Circuits of Less Than 50 V% ^1 ?! f: L& |' s5 e. j9 g; R2 R
10-116 Instrument Transformer Circuits0 a$ j0 y( m) |, A/ l
Grounding Connections for Systems and Circuits. p* }! X( K; t/ Q! S+ j$ l
10-200 Current Over Grounding and Bonding Conductors
0 I2 ~* ^" H# s+ k$ y2 c' R10-204 Grounding Connections for Alternating-Current Systems. ]3 i4 Q; F+ [% U* c. }
10-206 Grounding Connections for Isolated Systems
8 {# f* X" u. B/ Y10-210 Conductor to be Grounded! J# o3 B1 s& l3 d' w
Conductor Enclosure Bonding
1 s: g3 |5 m# a( ~0 m1 t10-302 Other Conductor Enclosures! U* e* f; A" n4 p( \
N 10-304
3 t5 b) g0 D8 R: W$ J/ D G( pEquipment Bonding
& t8 q9 ]$ R9 S5 L10-400 Fixed Equipment, General
, u% g$ O* |" h) C/ W7 h1 e10-402 Fixed Equipment, Specific (3), (4)
( I! e) E3 X5 ]10-404 In Nonmetallic Wiring Systems
* r0 X3 c' g2 A1 m% B10-406 Non-electrical Equipment. H0 b! h) \- |: C+ Q
10-408 Portable Equipment (4)(b)
9 ]$ W4 j8 i" i6 |) E- |10-410 Instrument Transformer Cases! p- t }% G" X# G! t1 j) x; `
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less5 s0 L7 i) J. t: b4 z+ \6 f! S
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V* p$ |# j! t4 w: @
Methods of Grounding. |0 m7 B- G' A8 p- h1 x2 K9 ?& j
10-500 Effective grounding (see Appendix B)
/ t }' g1 @" J) |10-502 Common grounding conductors
$ ~) F- u) ~' _10-504 Common grounding electrodes
; E) y0 K( A7 T: _ e# O- q9 RBonding Methods
% [3 Y4 O; p( U/ s- w# j10-600 Clean Surfaces* a* F) g; u. R, {' b
10-604 Bonding at Service Equipment
- [7 R$ I' ~! ^10-606 Means of Assuring Continuity at Service Equipment
9 A! E) x1 c4 X( D10-610 Bonding at Other Than Service Equipment
) ]! T' I- L9 d10-612 Loosely Jointed Metal Raceways
! p7 b: [5 u5 X1 q6 ]10-614 Bonding Jumpers Table 41
% [, ^% \6 E' S) `# dGrounding Electrodes
7 Y6 h, G8 ^1 ]5 T, ~, B10-700 Grounding Electrodes
$ o1 h2 s9 s7 _( x6 S. \7 Y) M10-702 Artificial Grounding Electrodes. i0 C: y3 r/ A* v
N 10-700 & 10-702
]" T, G3 ]+ h$ J2 p10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)$ p f9 P; T. ]2 o+ X
N 10-702
Z5 p1 }) U' `1 u( ~' x10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding+ Z, ]& M% d6 o e4 b6 h
N 10-702 b4 p" G/ X7 K [$ M
10-710 Use of Lightning Rods (Appendices B and G)- [7 t- u) V) ~ a5 F. v
N 10-706: H% l! T# E7 ?, r( A0 P& q
Grounding and Bonding Conductors
, C' Z6 S* P8 X10-800 Continuity of Grounding and Bonding Conductors$ E, U7 i" m' g0 F6 M( x2 ^& R
10-802 Material for System Grounding Conductors" x2 h* [% u# A0 ?- L' x. Q. u. H, O& p
10-804 Material for Bonding Conductors; r# d: C7 @% {6 Z8 X
10-806 Installation of System Grounding Conductors
1 V# N, }% Q7 u5 ~3 o+ H, `3 @10-808 Installation of Equipment Bonding Conductors
) B) ^$ F( Z" J. Y10-810 Grounding Conductor Size for DC Circuits' p' _6 d7 T6 A% O: ?
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
1 {; {* |3 q' x10-814 Bonding Conductor Size (Appendix B)
3 O$ @& g/ P* H+ r& X4 e: K10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment4 z" Y0 o* l( ^( ~
10-818 Bonding Conductor for Outline Lighting2 N2 s) u& `4 @, M- ^6 W
10-820 Bonding Conductor Size for Instrument Transformers
3 D4 e( W3 M4 Z" r @Grounding and Bonding Conductor Connections
) X3 V/ Q) d9 A4 @3 I10-902 Grounding Conduct Connection to Water Pipe Electrodes
9 {8 i3 r8 ?4 m* \- A10-906 Bonding conductor connection to circuits and equipment% v' W" j6 A1 V4 \- A
10-908 Grounding Conductor Connection to Electrodes1 \0 K$ r3 ~4 m0 H6 ^4 v2 R- P, q
Lightning Arresters
) f* D+ a2 {6 {2 C! t, [10-1000 Lightning Arresters on Secondary Services – 750V or Less
8 h4 U0 v. M+ O- y9 t) O" L- O' o- H4 k/ Y! W( s3 {
Section 12 – Wiring Methods
% e) w# \- R7 M( J$ Q- wScope
3 J1 S. @- ]) G, P/ c- x12-000 Scope (Appendix B)
+ w: C# D8 a; `, b3 @General Requirement
7 l( g5 F6 r* L' [, j! M12-010 Wiring in Ducts and Plenum Chambers
7 w5 l5 N4 g0 u' @% M8 J12-012 Underground Installations (Appendix B)1 X* |2 O- o* ]
12-016 Lightning Rod Conductors: r) K9 ?. G2 f% i
Conductors - General: {! W) h4 M$ f; U: }8 \$ F: H( e
12-100 Types of Conductors (Appendix B) Table 196 _2 ? @6 t- e1 c# b
12-102 Thermoplastic-Insulated Conductors- v" x6 v' G- h8 j) w
12-104 Flame Tested Coverings6 Z: }+ m) A1 W- L2 `% d( `
12-106 Multi- and Single- Conductor Cables
$ @# Q0 B) B, j% e12-108 Conductors in Parallel (Appendix B)
* K) [" _/ B# H8 T12-112 Conductor Joints and Splices7 [3 s4 w: F# U& X- K
12-114 Ends of insulated conductors' D" |* {& N0 h& U
12-116 Termination of Conductors (Appendix B)
% A, P- U, R9 L" d12-118 Termination and Splicing of Aluminum Conductors$ `5 k4 g: C: u) a% Q; H3 U
12-120 Supporting of Conductors - Table 211 N; m$ ?: n3 S# S5 N
Open Wiring
) b6 z9 C0 r6 j12-204 Spacing of Conductors
1 E: V. D6 x$ d' C z9 k% _12-206 Conductor Supports
5 B+ w+ g' x5 V" G5 d# s3 y7 [4 S12-208 Conductors on Flat Surfaces5 a+ g+ `% x7 x3 L" O* @* C
12-212 Protection from Mechanical Injury, e+ P. V6 p- |9 p/ M: d
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
+ S) {. i9 B4 H7 R6 l# W12-308 Minimum Size of Overhead Conductors( s# |. G; u1 g( n g5 {! e
12-318 Use of Neutral Supported Cables
3 i0 J% e) [! iNonmetallic Sheathed Cable" D! A! {4 j) E* S# X/ f2 J5 G
12-502 Maximum Voltage" {- `- R& m0 F; g g
12-510 Running of cable between Boxes and Fittings (Appendix G)* P) ~6 W3 g5 Q/ ~4 n+ F5 w
12-514 Protection on joists and rafters* z7 q( X; b5 A5 d7 X9 Z
12-516 Protection for Cable in Concealed Installations (Appendix G)' G1 O* M8 x9 h
12-522 Where Outlet Boxes Are Not Required9 _9 n" M4 H U/ J0 m% h
Armoured Cable9 L+ f( Y* e+ @- @( G7 W* Z
12-602 Use (Appendix B)" y+ j e7 E4 s8 L% H* t4 j
12-604 Protection for Armoured Cables in Lanes7 X# K9 F$ e9 U$ |9 W* ^% U4 _
12-606 Use of Thermoplastic Covered Armoured Cable
) z; G* I* c: D: G& L9 ]4 c7 P12-608 Continuity of Armoured Cable( s- [# ]8 p: @( J$ w
12-610 Terminating Armoured Cable+ N/ v7 `& E+ z X8 W* ]- H# q4 R
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems8 y5 [) Y+ d" @8 r/ D% r
12-614 Radii of Bends in Armoured Cables3 I9 Y( m" g+ Y4 L( y
12-616 Concealed Armoured Cable Installation. r4 F8 ~; @- S) m2 M$ D0 K: D
12-618 Running of Cable between Boxes, Etc5 q+ C: t) e! V e; A
Mineral-Insulated and Aluminum-Sheathed Cable
: \( f5 ]2 h- ~' o* o9 b' `12-702 Use* ~7 W) \9 X: g3 K
12-704 Use When Embedded6 C" O6 D& e. |' A- ^; @+ h2 F
12-706 Method of Supporting
; E+ I, S u2 o( P" ^0 S& ]6 y! w12-708 Direct Earth Burial7 h5 S* f: i5 e' ?) L+ \
12-710 Mechanical Protection
* s9 v. h; N( I }# G12-712 Radii of Bends
; a2 F9 P4 t3 V12-714 Termination of Mineral-Insulated Cable (Appendix B)
) z% t$ o. i" l0 e/ R- P$ Y( m12-716 Connection to Other Forms of Wiring8 m {9 v. i7 f+ k5 [0 s7 ]
Flat Conductor Cable Type FCC
% g' S- f$ E" [- F8 f12-804 Use Permitted
2 ?+ Y v# [/ g12-806 Use Prohibited. S( M0 [/ s; z' C% O3 u, l
12-818 Anchoring2 K5 f# w& ?- @. J3 O- l1 i8 ]$ \
12-820 Crossings
, F9 t0 F% N0 @ C, yRaceways - General
" T" L! `% ~# u12-904 Conductors in Raceways+ R4 j8 h/ m" f4 S" ~
12-906 Protection of Conductors at Ends of Raceways
& _: m0 Q8 n6 S5 {. ^4 [, W12-908 Inserting Conductors in Raceways
; c+ a9 \2 O+ I. ~12-910 Joints or Splices Within Raceways2 \0 ?: H: I& G: P* O
12-912 Stranding of Conductors. R, a- j: J6 k$ s0 K
12-914 Electrical Continuity of Raceways
% N S5 _6 y- Z( p3 e, N# z2 A) a12-922 Radii of Bends in Raceways& l# V+ O/ B2 P+ D
N 12-922 Radii of Bends in Raceways Table 7
! g: A r* ^5 V* Z* x9 T& U12-932 Protection for Raceways in Lanes6 o9 [! f5 X5 E! ?9 b% K
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)) r4 e( z% s) b" y: p+ n
12-938 Capping of Unused Raceways( b) J# N9 Z. p9 C2 {
12-940 Maximum Number of Bends in Raceways
; i( {) D$ u" |+ @1 F4 g' |) pRigid and Flexible Metal Conduit" ]# i, U/ W) T% v. y G5 v
12-1002 Use
" t# X. W6 C4 b12-1004 Minimum Size of Conduits
6 g6 I$ y: C# D1 r% e12-1006 Conduit Threads (Appendix B)/ a. @+ C0 C+ U
12-1008 Thread Engagement0 A; e6 l% z/ b
12-1010 Maximum Spacing of Conduit Supports
2 ^3 Y4 w% b7 ]. Z: g$ j5 p5 T12-1012 Expansion and Contraction of Conduits (Appendix B)6 K/ `$ y0 g% D( l" W1 @
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 3 o# T" b m0 r3 I6 h
Rigid PVC Conduit and Rigid HFT Conduit
0 _+ S+ s' T# `+ m! e12-1100 Use* s) t9 r+ S5 e! m% @. j1 D
12-1102 Restrictions on Use( M1 |6 ^* |0 [
12-1104 Temperature Limitations (Appendix B)4 L, i' h6 H8 u- }
12-1108 Field Bends (Appendix B), (2)
- N2 _& E: Z( T1 D, n5 q12-1110 Support of Luminaires
) O @$ B1 P3 n- ~: C5 b12-1112 Fittings3 Q/ Y+ A1 Z$ A
12-1114 Maximum Spacing of Conduit Supports
: P+ N- p _: `4 k12-1116 Support of Equipment
# S3 A9 f( g( ]/ Z9 j+ F12-1118 Expansion Joints (Appendix B example)
) i- U* a" D- ]# p) m- ERigid RTRC Conduit
f* R/ Z$ [8 d* c, Q8 i, J12-1210 Temperature Limitations/ e; R; q4 j, J1 h9 T$ j6 o( w' ?
12-1214 Expansion Joints (Appendix B)
; b: t+ H+ v: n5 q- z. {Liquid-Tight Flexible Conduit9 R, {3 ?3 Q- r
12-1302 Use of Liquid-Tight Flexible Conduit
3 m0 G9 T2 b& L/ N0 y! w' V12-1304 Maximum Number of Conductors& W( J* w( I9 U9 H0 `" ?& q" e5 _2 k
12-1306 Provisions for Bonding; V" K& j: @. e5 C" n: O
Electrical Metallic Tubing7 g) N4 m7 [4 }, r
12-1402 Use
% x1 U* y% A+ K' A. P ?12-1404 Supports
+ P4 k" f5 S) `/ V0 L12-1406 Minimum Tubing Size& P J ]5 @9 j
12-1408 Maximum Number of Conductors+ ~0 R: c& H4 S9 v* |& a
12-1410 Connections and Couplings: ^- Q. U1 \2 Q4 U
12-1412 Radii of Bends in Tubing; [3 `# ?0 U: p( t( b3 h' c, [1 p
N Table 70 v6 ]% y5 y: t3 s4 j& ~2 [; U
Electrical Nonmetallic Tubing- j/ h8 x5 v0 b/ U5 X1 Y
12-1516 Provision for Bonding Continuity
" @! [& N3 e5 ~4 t: e/ ~$ QN 12-1514
E+ @' o8 G- {8 i$ L" u: A1 T" A; oSurface Raceways& p& Z X7 X/ L
12-1602 Use of Surface Raceway (Appendix B)
@0 L- p; [" L/ }. D7 s6 i6 i12-1604 Temperature Limitations
1 R' e% p+ e! i0 `12-1606 Conductors in Surface Raceways (Appendix B)
) [) p, T: [& t12-1608 Maximum Voltage
! x/ U3 R) g& s12-1610 Joints and splices ) j1 `6 U# z0 E- m4 M
Underfloor Raceways1 Y- a! X9 n4 O# O6 J
12-1712 Discontinued Outlets in Underfloor Raceways% v- H, M F6 w% C3 `/ n: h+ q
Cellular Floors5 c5 Z2 A8 G# [% i% V B, t0 \3 m
12-1804 Maximum Conductor Size in Cellular Floor
# o* J. ^% C) g; E% o2 R12-1820 Cellular floor discontinued outlets* Y8 ?$ _& s7 [6 [' d+ c
Auxiliary Gutters5 u; ~7 J5 e+ v% C
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
& z0 q" |; u# U3 D12-1902 Auxiliary Gutter Supports
7 m5 O3 a0 K; B3 r; [6 O, B0 _12-1904 Auxiliary Gutter Cross-Sectional Area
, \; g3 q" ]3 D* P$ ]8 t" ~Busways and Splitters
1 x: D7 ?% j+ {' m' l$ Y12-2004 AC Circuits in Busways and Splitters
9 @0 r7 r7 V& g" C+ L12-2006 Busway and Splitter Supports1 o7 h9 ^2 M1 q) _$ D( C: o
12-2008 Method of Installation of Busways4 [' [1 F s3 F! X- N- J9 x+ z9 N
12-2012 Reduction in Size of Busways
" C' Y! e" d: _3 R* }12-2014 Length of Busways Used as Branch Circuits
+ r6 ~- P9 {+ o6 g0 x12-2018 Taps in Splitters+ r; `! n& U+ W( t$ U5 d
Wireways1 g* K5 q, g1 o
12-2104 Conductors in Wireways
# }# I" ]6 ~2 r! U6 j, z2 V7 M12-2106 Taps and Splices in Wireways; N: W) r* h z" _' Z# m9 X1 v
Cable Trays5 \" \' Y @( w) {
12-2200 Method of Installation (Appendix B)9 N4 t) ^# M: j7 {& C, c T* G1 h
12-2204 Joints and Splices Within Cable Trays0 ?# O2 V# v& Q
12-2208 Provisions for Bonding
3 r2 w6 f% @5 `9 G" L12-2210 Ampacities of Conductors in Cable Trays. A0 ~# {* t3 b+ p1 _2 J4 [
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
5 M4 ~/ |- w/ ]& d12-3000 Maximum Number of Outlets Per Circuit
# b1 t- |7 i! N( v) f! R! WN 8-304
4 i$ q, p+ \! [12-3002 Outlet Boxes (Appendix B)* ~4 `: ~( i, \* X( o3 W+ ^$ u
N 12-3000
1 I: L k3 g* R' V) C4 D: m$ I9 g12-3004 Outlet Box Covers: Z# Z$ \" r0 o. h6 V2 _! U
N 12-3002
- A. d# M1 _4 I2 |+ f: {12-3010 Boxes in Concrete Construction) s& G( L# ?' h
N 12-3008 }% P5 r B+ b2 d+ s, [( ]
12-3012 Outlet Box Supports
+ b V; X1 A$ n; xN 12-3010" N" r( M) \- U5 q4 Z% k0 d
12-3016 Accessibility of Junction Boxes
3 P) H" t3 `3 b3 H/ U! p+ ~N 12-3014
( V2 U0 B) U, B12-3018 Flush Boxes, cabinets, and Fittings
1 E+ N( S* M) [9 x i" HN 12-3016# J: V3 M! u9 x0 R! e# D
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) % d9 I4 m3 s0 a2 @% ]) O
N 12-3022( w$ ?1 F h* G' ^% J% t$ g1 g r5 k
12-3036 Maximum Number of conductors in a Box - Table 23
) @# j8 Y* @. q- P7 i( u, oN 12-3034! g; m% I- g% X& W# e
12-3038 Pull Box or Junction box Sizes
# v8 v# ]3 W, |N 12-3036
" {" F2 a# `% ]( A8 R. i: X& F
7 r' U$ H+ O6 J8 }* B$ zSection 14 Protection and Control
5 s& }. M5 [" x, B1 x3 b- xGeneral Requirement! o8 q4 ~7 b3 v% |0 A# b. q+ s
14-010 Protective and Control Devices Required% p0 q5 z! J* B/ P, P
14-016 Connection of Devices
. c! T6 F. v* ]! ~( F; p Protective Devices – General
% M5 {+ h( f. h 14-100 Overcurrent Devices Required
. g4 o" Y( ~, T( w* W; h% k4 C14-102 Ground Fault Protection (Appendix B)# S1 f' Z/ B- L1 S% o' S% f
14-104 Rating of Overcurrent Devices (Appendix B) Table 132 j7 c+ i. d! J2 `# {' S* k' v
14-112 Overcurrent Devices in Parallel6 m! u1 ~: w1 d1 F7 V; Q+ U7 D# s
Fuses
5 V6 f! c; j' k: m1 N2 M! t/ n14-200 Time-Delay and Low-Melting Point Fuses
7 x1 Q4 e& K( `+ G" Q8 }8 s& c( j14-202 Use of Plug Fuses- u( H* P* \7 o6 x3 H/ ^8 K
14-208 Rating of Fuses6 b4 c1 i' G9 P! \1 n6 W& z8 Y: v
14-212 Use of Fuses (Appendix B): a& L+ Y7 c3 h' k1 l
Circuit Breakers
/ \: N/ A4 O/ y) ]2 G+ N( |14-300 Circuit Breakers, General M+ e; U k4 @$ @0 o1 D
14-306 Tripping Elements for Circuit Breakers
- G( x5 F! r7 |14-308 Battery Control Power for Circuit Breakers
2 e& f4 t! k" s" H! Q% r7 VControl Devices - General
/ o1 @' ]) `+ t# S14-402 Disconnecting Means Required for Fused Circuits
3 D6 }9 h) T- d' v) g7 c. |. ~Control Devices - Switches9 ~1 r. N' o' n* |! n
14-502 Mounting of knife Switches+ j% R4 P3 V9 F: g9 y1 x2 f
14-504 Maximum Rating of Switches2 Z7 {$ t7 f7 g$ R8 c2 B( j
14-508 Rating of General-Use AC/DC Switches (Appendix B)
( A% o( i" ?: j* T* f4 K14-512 Manually Operated General-Use 347V AC Switches (Appendix B)! B2 T" m, f: o
Solid State Devices
! M K/ d/ q1 U6 z) a: m1 @14-700 Restriction of Use
/ F6 r, z n" v14-702 Disconnecting Means Required
) D8 Y$ o! ^0 H+ t5 y$ L( j( B3 C7 U. s( _& m/ U3 X! p
Section 16 Class 1 and Class 2 Circuits1 |- D/ Y0 y0 b: Y
General- X: R- p! k" ]$ k- N
16-004 Class 1 Extra-Low-Voltage Power Circuits
& N2 m# A- O8 ?* f) z6 L7 F16-006 Class 2 Low-Energy Power Circuits7 X8 O! `9 l( s+ C+ Y) M. W
16-012 Circuits in Communication Cables! g' h+ I; a+ Q% h& F
Class 1 Circuits
" }1 i. \: O& _16-100 Limitation of Class 1 Circuits
) m) b W# Q. ^; v* h* K( R16-104 Overcurrent Protection of Class 1 Circuits
- {' c+ Z* O% X1 X4 H, b0 a% I5 r16-106 Location of Overcurrent Devices in Class 1 Circuits
+ r! K( `7 e& h* q& s16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
l) o& X* J5 ?) G. ^9 Q16-110 Conductor Material and Sizes1 ?# N- q$ r0 q K1 j5 e
16-112 Insulated Conductors for Class 1 Wiring' \; [2 q! l* u/ E- F
Class 2 Circuits
2 Y6 ^. y" `3 v16-200 Limitations of Class 2 Circuits (Appendix B)5 ^% A) n5 o4 b9 Y& u* Y! \. K
16-204 Marking3 W6 c* T1 l" O1 A1 k
16-206 Overcurrent Protection for Class 2 Circuits
4 K$ ^3 I/ K2 B+ U( a16-210 Conductors for Class 2 Circuit Wiring (Appendix B), m2 J# X- s0 k. r) f& W e
ELC: extra-low-voltage cable
6 P3 j' J0 b+ T16-212 Separation of Class 2 Circuit Conductors from Other Circuits" \% R/ W6 f2 M2 u4 U
7 y8 U0 u9 K0 Q$ C8 y2 lSection 18 Hazardous Locations% L% Z& Z2 a. S. r
Scope and Introduction; h$ J3 c# A. k% |1 X* A0 M4 M
18-004 Classification/ w0 U. |; V- l/ B
18-006 Division of Class I Locations (Appendices B and J)4 [* ?' q1 E' G
18-008 Division of Class II Locations (Appendix B)
5 ]$ O2 @) P2 H6 I6 U( \7 r% g18-010 Division of Class III Locations (Appendix B)7 C' z% j/ m, ~8 n
General c4 ?& w( N* S( y4 x8 G3 K* e, J
18-062 Metal-Covered Cable (Appendix B)
# G, S5 ?$ ?: V- F1 Q3 T# U2 ~& WInstallations in Class 1, Zone 1 Location
# u& Z' V" W1 R; P18-108 Sealing, Class I, Zone I (Appendix B)& g; R+ }" f' f- {
5 C# Y8 N# |- H z ]
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
, B- e9 X/ X; v! h! {- D0 O$ Z% t, MGasoline Dispensing and Service Stations
" Z1 L, j, W* A5 D20-002 General
2 c. \% M2 t m" m' R$ Y20-004 Hazardous Area (Appendix B)' _& E: ~# k9 S9 j i- Z$ K
Propane Dispensing, Container Filling, and Storage) ? {4 X+ m5 j5 E8 b3 ^
20-034 Hazardous Areas - Table 634 W7 X, [! `2 I$ j
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
3 ]$ M4 Y( ~ |5 w8 }: W% b20-062 Hazardous Areas4 A, N5 ]8 }, O$ n6 r
Commercial Garages – Repairs and Storage
; B# M; o* h& m& r20-100 Scope7 W7 R! M0 J$ {2 U
20-102 Hazardous Areas (1) " E9 y; K- e1 a6 g% `* l, O
: Z( [& K9 ?& n
Section 24 Patient Care Areas4 ~% t; p9 [3 k7 m1 p5 ^' F
24-000 Scope (Appendix B)
* A) Y! o l5 H/ a% s24-002 Special Terminology (Appendix B)% j; _" _5 z, g6 |9 L8 X1 R
Patient care area( y& V% r/ G4 N. `! F$ H; f
Patient Care Areas. R$ V- C( |( U3 ~
24-106 Receptacles in Basic Care Areas (Appendix B)
2 m1 U4 h* q; iIsolated Systems/ o* }5 S% ]% ]& X* H4 G4 ^
24-204 Single-Phase Isolated Circuits (Appendix B)
; A0 R4 Z8 F! |5 [1 A% K5 J" r9 u- h+ N24-206
2 R( d+ d m+ m7 f/ U- P( m# Q H' Q$ d# C
Section 26 Installation of Electrical Equipment5 O: R, l/ e& P# k
General0 |0 e$ G6 X' a% d! L- Z2 M8 m
26-004 Equipment Over Combustible Surfaces (Appendix B)) U% F- X. N- }; Q, r
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)' M6 w! Y1 q$ H$ l, S
Isolating Switches
* G7 T7 w+ S/ K8 E0 N! p26-100 Location of Isolating Switches0 r. Z: _$ L$ b5 |
Capacitors4 a. F9 Z- {4 C" w, \8 g1 b
26-204 Guarding of Capacitors
% G- j' P8 ?; l' I8 @/ J) F26-206 Grounding of Capacitors6 }# x2 Y# f0 C3 ^% A
26-208 Conductor Size for Capacitors
: X n+ q% M$ T% \/ ~; W26-210 Overcurrent Protection (Appendix B)6 ]4 n& V2 K+ P# I1 v) g9 W" m2 ^
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits" x% ^+ E3 B4 C6 {
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
6 r+ u4 i! m/ F0 U @# L' _6 Y( y26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
* Q. i" |& G0 {- N. J8 A. e, n- S26-218 Special Provisions for Motor Circuit Capacitors) e* _( ]' d+ U v/ x2 ]
26-222 Drainage of Stored Charge of Capacitors. i3 m) b" f u7 ~2 R+ t$ j( ?$ B8 n4 j
Transformers
* M# ]" P: _# ^% {$ ~4 W! K26-240 Transformers, General
8 O- q' |4 ~: r$ }; i& V26-242 Outdoor Transformer Installations* I9 G8 w3 n5 J
26-244 Transformers, Mounted on Roofs (Appendix B)& g9 w6 E3 _# r* A" O5 Y
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)! ^' |3 c# t8 _$ g& ^5 s3 q
26-248 Dry-Core, Open-Ventilated Type Transformers
# o4 i8 V( J+ q26-250 Disconnecting Means for Transformers* S; J8 g/ N" y! A
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V; i+ m- Q6 j/ V
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers/ `9 q- N d$ w
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
- }: V9 n' W' | r# p; u, c4 `26-258 Conductor Size for Transformers" q8 j1 a8 Z+ r; L
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)' R; h& _0 V- g# K: x
26-262 Marking of Transformers
5 ]+ z5 {) x0 V% n0 e26-264 Auto-Transformers" X' _+ }; _: q7 F6 s5 ~
Fences
! S7 O) D$ m% t& x% V- U26-302 Clearance of Equipment - Table 33
: D4 j9 x& _/ m* EPanelboards) U. Y' a+ T5 b
26-400 Panelboards in Dwelling Units (Appendix B)
& M: r: a0 V- S! }! y5 i. h' h6 L! y& d26-402 Location of Panelboards (Appendix G)$ z- Z3 c' E- P6 U' M, G( @
Lightning Arresters+ c, E8 @6 K, g* }' j5 S
26-508 Connection of Lightning Arresters2 s* Q: }. }. i( _4 T* V
Storage Batteries5 p/ A& c! V3 s) @
26-542 Special Terminology1 P5 t5 P* F9 r& a
26-550 Battery Installation* \$ l* B4 v; L+ d: X
26-552 Wiring to Batteries2 ^$ F ^" `+ E6 b" T" j, x: @* f. W* W
Arc Lamps% P K5 J, k, i6 f8 J. R) |
26-600 Location of Arc Lamps, S6 A+ g7 m3 y# }# S
26-602 Conductors to Arc Lamps
" O6 z/ S0 \0 ]- f* D/ P26-608 Globes and Spark Arresters3 X# k ]& C' Z" r
Receptacles' L j; q0 v* t* V) f
26-700 General (Appendix B)
( M! g+ I& W! Y6 V8 H1 x( w: ^( }26-702 Receptacles Exposed to the Weather
, @* p$ H0 a8 G* c+ JReceptacles in Residential Occupancies
& U8 p' a" K0 d5 L- Z4 n* |5 j; v26-710 General (Appendices B and G)
* W o# ?+ C; H* r' w26-712 Receptacles in Dwelling Units (Appendices B and G): |0 Z" c& H" Z X$ K6 {
26-714 Receptacles in Single Dwellings (Appendices B and G): W% }" `& I; t
Branch Circuits in Residential Occupancies
0 a3 o! w( X3 I9 f: S4 y4 O26-720 General
! l9 _ ]1 B9 u: M& P+ O# J+ V26-722 Branch Circuits in Dwelling Units
! B- f* \& J4 f5 M/ b26-724 Branch Circuits in Single Dwellings' w( D7 B1 a( Q! L2 A7 |7 f" ^
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)' e8 {7 s$ K" x* S, F
N 26-720 (F)5 E9 y: j F$ J. w' T7 d4 a M
Electric Heating and Cooking Appliances/ X0 i5 k& Q, m4 `# t6 F- V$ `
26-744 Supply connections for Appliances2 S6 `9 N0 D4 J& f+ l
26-750 Installation of Storage-Tank Water Heaters
- k$ e/ G* y+ Q0 J; ]26-752 Infrared Drying Lamps
& B& B6 t8 O3 k7 v
7 v! o+ }6 ? n7 pSection 28 Motors and Generators
! r; V$ S- N& E4 m- a* U0 UGeneral
) F% l/ _. f# H0 E28-010 Special Terminology
) Z& u- A9 e) K5 H; [# OHermetic refrigerant motor compressor
, I( V( k' z+ w/ a% R1 q- H" BLocked rotor current rating
. }) U2 |% z0 B1 e. R; dService Factor
2 M `/ D* [ F( ^- Y' uTable 44; Table 45; Table-D2
3 g7 h% y; h V& |! xWiring Methods and Conductors
$ A5 d7 B' g) G; I5 u28-102 Portable Motors
% @- U7 L% A6 W( Y2 F* Q28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity# Y8 H0 c7 v. d& m
28-106 Conductors, Individual Motors
/ I4 l! L/ v) J/ p- b' \; x2 \8 g28-108 Conductors, Two or More Motors
# R! A4 r; G( C: o( L5 \% L' d28-110 Feeder Conductors
, ]- ~% z3 t( U28-112 Secondary Conductors+ c! i; C) ~& L1 S0 T6 h4 ], [" s
Overcurrent Protection: x9 t o0 f4 O+ U; [( ?
28-200 Branch Circuit Overcurrent Protection
- p8 D, W, r3 q* O! G+ G% k28-204 Feeder Overcurrent Protection% G k7 X8 D' J
28-206 Grouping of Motors on a Single Branch Circuit3 e/ y: n3 ^' N9 Z3 w" h, M( s
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
# ]% M$ Q/ B+ m* V* _Overload and Overheating Protection
- O6 L( \: _5 Z- @+ m28-302 Types of Overload Protection% \' J9 l. Z9 j( @- d3 E2 F
28-304 Number and Location of Overload Devices (Appendix B) Table 25+ m" r# ~% Q4 v' ~! I7 r
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
/ E" Z5 R2 k5 T) U5 K& }" U28-308 Overload Protection Not Required$ c2 c1 g! T6 z! X
Undervoltage Protection - R2 s3 h/ O; Z4 L. J2 O0 }8 t
28-400 Undervoltage Protection Required for Motors (Appendix B)" F+ e1 H9 I2 |$ |
Control
# Q! K1 {' T2 {3 r, N28-500 Control Required! e9 X/ |- o" Z+ \
28-502 Control Location
' M* K# g3 r& r; B' M8 D8 {28-504 Starters Having Different Starting and Running Position
2 z9 K' {" |9 r2 l- X) D28-506 Grounded Control Circuit
0 n! _# u% @/ Q+ o. J) SDisconnecting Means
: t8 Q% x; }" T. K3 p+ h( ^ |28-600 Disconnecting Means Required O6 J/ H$ Y1 w9 C5 \! ~3 Z$ ~
28-602 Types and Ratings of disconnecting Means (Appendix B)- z; |0 f P2 S& R
28-604 Location of Disconnecting Means6 w. r6 J; k7 B; Z
Hermetic Refrigerant Motor-Compressors% M! P( c: K5 u" c
28-706 Conductor Ampacity- |9 R0 ]; f. y# K. i2 Z! t
28-708 Overcurrent Protection
* S2 C/ T) u7 g7 G: R) k! U6 C28-714 Disconnecting Means
, x% b4 Q* K: {# b2 @1 AProtection and Control of Generators8 l A4 l/ x/ U- D# x; p
28-900 Disconnecting Means Required for Generators+ B8 a1 h; r( q5 g
28-902 Protection of Constant-Voltage Generators! v' U4 p. K( ^9 E* z. Z
28-904 Generator Not Driven by Electricity$ y3 q: r3 f. j" @2 ?( B5 o; j8 u
28-906 Balancer sets
) a: V( l+ K9 R# f: W( H$ E28-908 Three-Wire Direct-Current Generators
$ y- h6 x1 \" o
( ]4 D! }: b8 x- m" P( }. VSection 30 Installation of Lighting Equipment
* _" F r2 _) r: E6 \9 S30-002 Special Terminology (Appendix B)
0 T5 y. I8 u& a, ]/ m& ?% YGeneral
]6 P0 ^& L, f0 h @30-102 Voltage
4 o* U# [3 d2 F1 ^) ?( y7 G8 Q4 s30-104 Protection (Appendix B)7 z: j2 g/ B1 W7 P* k; s
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
" V7 B7 t1 \# U* s* W2 w30-108 Polarization of Luminaires
( F) @/ E. @: O3 S% R$ Z6 I+ @30-110 Bonding of Lighting Equipment9 V, i6 Y9 j" n/ p2 O' b5 j
Location of Lighting Equipment
2 Z$ ?" [/ O* F3 ]; |- V30-200 Near or Over Combustible Material& d4 t" m4 G! M4 h* n. h) }
30-202 In Show Windows
+ t! _. M6 a) t2 u# J* p30-204 In Clothes Closets+ J0 Y9 d" @' N! @" J
Installation of Lighting Equipment2 W2 h4 W- s _" m
30-302 Support
; {$ |8 B" o$ B/ u) M' r. [30-304 Outlet Boxes to be Covered
+ w- P* T+ u, D$ _30-308 Circuit Connections* O6 P/ {" W6 i: ]
30-310 Luminaire as a Raceway; |; ^3 A* s$ O; T
30-314 Minimum Height of Low Luminaires
( e q w& ?; E; A, S0 M5 i30-316 Luminaires Exposed to Flying Objects& Q2 Z$ V+ _6 j$ t1 H
30-320 Luminaires in Damp or Wet Locations6 Z0 \( [6 Y4 ~8 S
N 30-318
9 @* L R: |8 s$ A& yWiring of Lighting Equipment, H! ?% Y. i1 |9 E) E$ w8 A5 y0 S
30-400 Wiring of Luminaires0 s' o1 T1 R3 _/ u) A; \5 D
30-402 Colour Coding& B& L1 b" W6 L! I& C, j' |. Z2 G7 c
30-404 Conductor Insulation( }- H# U7 @, w1 j9 h6 f' n G- P% z
30-406 Conductors on Movable Parts8 O+ ?7 w; L% o0 f. b& r
30-408 Wiring of Ceiling Outlet Boxes
: T* [, w/ r8 K/ n30-410 Wiring of Show Window Luminaires
) [& j5 Y9 j" I; Y30-412 Tap Connection Conductors
7 L+ x+ L# \8 `. M! S8 j% }1 ELuminaires in buildings of Residential Occupancy
/ i8 O* Q# d- u3 I. _30-500 Lighting Equipment at Entrances (Appendix G)
8 t+ X. q5 R* Q# \& R% d30-502 Luminaires in Dwelling Units (Appendix G)( t) `) q: M- O* @
30-504 Stairways (Appendix G)* f- l( w: P3 `7 O3 V
30-506 Basements (Appendix G)
* h- E3 r+ k" K/ n8 C0 a- |. I30-508 Storage Rooms (Appendix G)0 Q. J3 p) }) N2 D9 z9 h+ g+ o
30-510 Garages and Carports (Appendix G)) T4 l- v- Z$ ]0 f
Lampholders
6 O8 G* G' Y3 D9 }9 b8 Y2 g0 V30-600 Lampholder rating with Incandescent Lamps
7 t0 Y) l1 [( T: }6 B, Q" a; qN CANCEL
: ^# p) \8 K; E7 Q1 s2 k- I* }( L30-602 Connections to Lampholders
' y2 t& K$ S0 c3 v4 F. M& J+ C+ VN 30-600
5 S- J: ?0 D3 | }7 @8 o- p30-604 Switched Lampholders Used on Unidentified Circuits
2 Y* q2 R3 x9 b9 H3 B+ \N 30-602' u, H$ k0 u. \ G5 n
30-606 Switched Lampholders with Pull-Type Mechanisms' m' l. G7 z. f/ F/ t" Y
N 30-604
: O3 T5 m9 c: k+ {: C. E30-610 Pendant Lampholders
" |% R, t& R: U' PN 30-608
( t- F; F! a2 Q9 d% |7 c/ {Electric-Discharge Lighting Systems Operating at 1000V or Less0 }! T$ U3 v+ a) k, p+ o0 k* Q0 d
30-710 Control (Appendix B)
Z' [. X E$ x8 e! r* `5 R; P30-712 Branch Circuit Capacity; ~7 }( s/ X* l- {4 j
Electric-Discharge Lighting Systems Operating at More Than 1000V
3 d, m+ h6 @5 \, L/ _30-802 Voltages, Dwelling Units
: j* F( n/ v! u: ~8 x30-804 control (Appendix B)+ Q5 t% d7 B& V0 X: q* D4 N
Recessed Luminaires (Appendix G)
5 _/ J" H1 |$ N! Y" U30-902 Spacings for Non-IC Type Luminaires
: z) {. S7 [) |7 N& g30-910 Wiring of Recessed Luminaires (Appendix B)
3 Q- B9 h2 s, T5 Q5 v2 O2 w# N( `! UExposed Wiring for Permanent Outdoor Lighting& J+ w9 H( ?7 M- s: A
30-1120 Branch Circuit Loading and Protection
/ L, B5 V" c' L* d' sExtra-Low-Voltage Lighting Systems
: }9 {, c E4 K6 ^' ~% G' \30-1202 Sources of Supply
; y: U3 ]9 D8 [
5 q) f8 X& X( y, ]9 y5 A A' o uSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)% n4 [( |. v( [- P* s, k, I
Fire Alarm Systems
# Z9 R, m2 R( _: w% Y( b32-100 Conductors5 Q0 M9 a( _6 [% m
32-102 Wiring Method; a- U5 ^4 J+ A3 R, p! x
32-104 Equipment Bonding, R8 P" U* m/ z1 }
32-106 Electrical Supervision9 L- q9 V0 K& a. A9 _6 g
32-108 Current Supply5 i) Q9 N* d2 w( H6 V6 r N9 g
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
; ]8 o/ v" h0 v5 r% J- P5 \Fire Pumps
% v5 k* |" e- U& I5 ^. L; z& ?32-208 Overcurrent Protection (Appendix B)
; y0 Q+ U) F) f4 A* cN 32-206, b) G3 h+ j& P. V t6 M( T0 F5 Q
32-210 Overload and Overheating Protection (Appendix B)
! r! E' z1 ^, X' I! [. r \$ r32-212 Ground Fault Circuit Interrupter (Appendix B)
6 Y, L, H# @) M$ Q! I6 L7 c+ v7 u+ Y d" L3 s0 Z
Section 36 High-Voltage Installations
; g( x+ A; H) iGeneral8 M4 v) `1 E0 e' _/ t
36-000 Scope (Appendix B)
S, a4 V- j% _7 V36-006 Warning Notices
, ], N1 P! X0 TWiring Methods! `: B. U! m) R! c4 v9 {
36-102 Radii of Bends% x3 j1 n/ q3 w
36-104 Shielding of thermoset insulated conductors3 {+ y9 i7 A" t0 e
36-108 Spacing of Exposed Conductors (1) table 30, table 31) O5 d* `$ g! d
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34, g5 E; g( W, A( y1 O
Control and Protective Equipment' S' n/ F. L: ?$ ?5 Z
36-214 Disconnecting Means
& G7 V! q0 |& \2 x# \# D Grounding and Bonding
1 v. }2 a$ \# j$ Z7 {1 O36-300 Material and minimum size of grounding conductor and ground grid conductor and connections+ @- G( Z% m7 `1 o5 A
36-302 Station Ground Electrode (Appendix B)
9 e6 Q3 e1 k5 R36-304 Station Ground Resistance (Appendix B)0 L* Q2 e# `3 ?( G4 b
36-308 Connections to the Station Ground Electrode (Appendix B)
0 N {# ^! ~$ v( d& k36-310 Gang-Operated Switch Handle Grounds
^1 x2 ^ p5 ^36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
/ ^! K3 A% C% B9 b$ z
5 {! r, ^ C U% W6 d. i+ R9 XSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
- a- x, j. _; X( K7 {7 X6 D38-002 Special Terminology (Appendix B)
( F8 H8 O, n: _9 E. ~38-003 Voltage Limitations (Appendix B)
1 ?# M C( L# s38-004 Live Parts Enclosed1 _5 U7 f3 u3 n! b( L) K; Z, X
38-005 Working Clearances
9 x& A4 s- s+ i! f38-011 Insulation and Types of Conductors
1 _0 t! q6 o% W2 X0 V2 D38-012 Minimum Size of Conductors. i$ \) x0 C: J1 p/ B5 l7 f
2 l/ O: R) y4 P% E1 `: ]5 J, Q
Section 40 Electric Cranes and Hoists7 L! g/ p; x8 l
40-008 Disconnecting Means `8 {- `6 o/ Y1 @9 r g E9 h. L
40-010 Main Contact Conductors& X0 {1 J! I( w
; H8 d* m. [2 q# A
Section 42 Electric Welders/ ]0 h9 V" A" p. b! k
Transformer Arc Welders
$ p* V; P2 W; P! t" F42-006 Supply Conductors
# [: G" e: \& l! S8 F
3 ~+ _) a+ d1 |& l. E9 ?Section 44: Theatre Installations7 U4 J2 m, H! n( i" s( f. ~1 q# Y5 j
General
7 m# g6 W8 N" U8 s9 k44-104 Number of Conductors in Raceways
" o. z S8 B' \4 V9 d. X44-106 Aisle Lights in Moving Picture Theatres3 C$ W: V4 \- w( A
Fixed Stage Switchboards# g. ]: Z% I% P, ~
44-210 Overcurrent Protection8 H" s. M; U" d1 v) K
Fixed Stage Equipment
+ u) d' A2 d4 D. f& w# }44-324 Receptacles in Gallery Pockets- r( `0 M) G4 B& \0 g' {: p
44-326 Receptacles and Plugs+ N( L& Q* y9 P, O5 X* @
3 }. X6 C2 A! X" b
Section 46 Emergency Systems, Unit Equipment, and Exit Signs; q* x4 i x5 O6 y* V1 V% C
General% W0 e( N- D+ J
46-102 Instructions6 F; M0 {0 n% S/ ^
46-108 Method of Wiring (Appendices B and G): ?) o4 Q! y1 C1 o
Emergency Systems
# ]' U n' N* |3 h/ z46-202 Supply (Appendix G)
) i+ s. J$ o: I; p46-204 Control
6 W/ m( c5 a- p1 g0 P5 d46-206 Overcurrent Protection
) t9 Z: G3 ~7 {: O$ r46-210 Remote Lamps7 [! p- G0 K4 q
Unit Equipment* q$ o# L: ]3 t8 a) Q# D. L5 x& _
46-304 Supply Connections, \ }1 f- |+ E2 m
46-306 Remote Lamps (Appendix B)" t$ @7 w7 K2 O4 s
Exit Signs% f# G4 n. f: |, [; K" c1 r- z
46-400 Exit Signs (Appendix B and G): P8 _: q# D" ]
8 h' m: M+ W# B2 e- zSection 54 Community Antenna Distribution and Radio and Television Installations, `4 H3 y& s G
54-000 Scope6 B3 C* Y, t- m
54-004 Community Antenna Distribution (Appendix B)# w5 F3 \5 x/ N% W4 X
Community Antenna distribution
/ T) }. f/ M. X4 [ S54-100 Conductors
5 _; O, d# D; ?" k( @0 W+ \54-102 Voltage and Current Limitations (Appendix B)8 S) l5 G! |- j. M
Protection
' U2 @( A! @/ H* b, V54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
. f. ^; D0 {3 v9 lGrounding
- K; a; f0 [1 r54-300 Grounding Conductor
3 ~2 B6 a' r$ r. F w$ UConductors Within Buildings1 L2 j- v" z/ R; o7 Y
54-400 Separation from Other Conductors
, P) l6 O- r P0 [9 G! QEquipment+ ?6 i( I% ~$ }' A- u h7 ^: W
54-500 Community Antenna Distribution Amplifiers and Other Power Sources4 C4 O; O8 s: t: ]" N! f0 v
54-502 Exposed Equipment and Terminations
3 y1 u- i1 h& w% ] c
$ h& z+ K0 }( ^, m; TSection 56 Optical Fiber Cables
' v. v" |- v rGeneral
* n6 p8 ~$ ?; b! I7 q56-100 Special Terminology, g! V: E- S" F. O( j) A9 o
56-102 Types- G" J4 ^( L: c3 \2 _7 M# x
Installation Methods
0 U$ I0 k' v/ c6 x x5 d56-200 Nonconductive Optical Fiber Cables (Appendix B)
& R* r1 u( I. W3 ]& i0 G56-202 Conductive Optical Fiber Cables (Appendix B)
. s9 Z0 I1 r5 r7 `5 o& `56-204 Hybrid Cables$ [; Y4 [3 e# X7 F( R; U+ C
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)- J8 A9 d. \3 H0 M H/ \3 x
5 T8 v. `8 `' W0 V5 U' t
Section 60 Electrical Communication Systems" x2 j6 T. Q5 p1 `5 e
General
5 ^7 L2 A) k" q1 S60-100 Special Terminology
% W+ F0 T* V L; n Q! f) w- jProtection
# W( f$ V$ W; l' H7 f' v60-202 Primary Protector Requirements& C# ?7 Z. q |7 q; v
Inside Conductors5 ^+ C5 v# Q& B- ~" \8 A
60-308 Separation from Other Conductors+ M( z, e5 z, D% @: _: \
Equipment3 [3 f( x& t* J5 [
60-404 Exposed Equipment and Terminations$ L# O+ y( A9 L9 X$ s- [- Z
Underground Circuits0 r4 f5 W; |7 q8 y) A
60-600 Direct Buried Systems8 u! w. F# A0 l; o1 j$ f4 q
! O+ y, \" h* C4 F) z& G1 M# m) ~Section 62 Fixed Electric Space and Surface Heating Systems4 W2 M7 @' Z& f- F- u; {7 f
General* F! E# B# h, B3 x1 u/ W# `) |, w
62-102 Special Terminology* ~; |. J, O/ f5 u9 d1 x/ z" ?2 L& e
62-108 Branch Circuits1 u2 L$ T5 i9 U" d% q3 g
62-110 Installation of Fixtures" |- s6 ?, h5 }8 k9 ?+ H
62-114 Overcurrent Protection and Grouping (Appendix B) (5)9 Q1 l8 g2 o5 G; z6 w- b7 @
62-116 Demand Factors for Service Conductors and Feeders (2)/ @8 X9 o0 W$ }: i
62-118 Temperature Control Devices
8 ?$ p- S: U7 a62-122 Installation of Series Heating Cable Sets (4)(7); k1 w2 e3 ~8 Y- |! ]. A
Electric Space Heating Systems
! k" _" G# e# i62-202 Temperature Control, A6 T' g, ?6 y9 ~ m4 d1 L1 L
62-206 Proximity of Other Wiring (Appendix B)$ p3 t9 [& `' o
62-214 Installation of Heating Panels and Heating Panel Sets
8 m2 b- u+ q2 ?( {; G- `# G62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
5 w" k t9 S. F1 \62-226 Installation of Under-Floor Covering Heating Panel Sets( b' [6 Y+ I2 B. i2 l
Electric Surface Heating Systems
# H0 M- I9 O) ~# D$ x8 l; k62-306 Heating Cables and Heating Panels Installed Below the Heated Surface4 G* N4 F z0 z! p+ c
+ m. C( M; ]- Q0 a1 D& u) R! ZSection 68 Pools, Tubs, and Spas
5 p; v, S' O: ~% m3 F( KGeneral; k6 |6 @4 h- ~8 Y& o
68-050 Special Terminology
8 B* p. T9 g7 `! a4 v) q68-056 Underground Wiring - Table 61
8 O9 ]; x6 [0 ~6 ?6 O# C9 G68-058 Bonding to Ground (Appendix B)# s8 U* b! p8 I @& `" j+ ?
68-060 Junction and Deck Boxes (Appendix B)
" q' l. s) u A: E68-064 Receptacles9 k6 I) x$ C9 E. Z- Q
68-066 Luminaires and Lighting Equipment
5 e% s$ H& [9 b9 w: Z2 @68-068 Ground Fault Circuit Interrupters (Appendix B)
- c, Q+ u A1 @7 n5 m4 I
) L1 v" G% y/ r0 N' S5 j4 SSection 70 — Electrical requirements for factory-built relocatable structures and , d9 n: L/ p" y P. \1 c. T
non-relocatable structures# t, c/ B# p0 }% ^( `
70-130 Tests (see Appendix B)# I4 ~8 Y" ~" V8 w+ S# s# F
Y) |% n- q# h3 |7 w! ?6 j7 P
Section 76 Temporary Wiring (Appendix G)
~8 N7 C3 c9 S; J- S6 o' t: H6 Z76-004 Grounding
4 L4 Q! L6 \9 `* X, y1 Q! \& M; g9 y4 Y76-008 Service Entrance Equipment
0 k8 C4 A! B% tN 76-006; Y" ~0 r, j) h" k& G7 l
76-014 Branch Circuits. j5 |/ h* |- @$ g9 o% p
N 76-012/ A' B+ f8 ~" h7 J# ?/ @
0 o+ C( ?. G( M5 l
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
+ w$ {. o1 I8 E* r. p" x1 w; BMarinas and Yacht Clubs- d. }( S( r& }! h
78-052 Receptacles# |% B% Y: j2 {
78-056 Feeders and Services
' z, b6 E, P6 q/ J: U8 G: d1 l3 UMarine Wharves, Structures, and Fishing Harbours/ G2 `& Q1 x. L
78-106 Grounding and Bonding$ H- F3 ?, l& ?/ y8 x' o4 E
Tables& Y, G$ e' U4 U' j1 i
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( ~+ O, e5 F6 J' K! v! c
' i. W" E; I, K- E2 hDiagrams: 1, 2, 71 x4 G4 g; s5 P R
1 n+ x7 ^, G( S4 D9 c) VAppendix B0 G6 Y% i) L, \$ j
P352: Ground fault circuit interrupter- 6mA
3 ]9 X/ [% \& I6 y0 i+ w; BP354: 2-126 FT1, FT4
0 `5 B5 m9 S% u/ C" G, M! TP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
0 u* J+ x! D6 }( L6 O" e; CP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
5 n; ~" {2 O& f2 E$ A5 x& NP370: 12-1012, 1118, 1214 Example:/ z' x1 G$ Z& S' X4 `7 X( K
P371: 12-1108
1 g) s. G) Z3 a& t) `- t; `P381: 18-108(1)(b), 18-158(1)(b), Q9 j2 m1 o7 N/ E7 r7 w) ?3 Z, F
P386: 24-206+ p& ~4 s$ _; t; b `7 C1 D. m
P389: 26-2565 M/ u4 O1 ?. Z) u/ m' m _% [
P391-P393: Section 28, Example to determine Motor Conductors and Protection% S2 {" `4 ? a+ O: i, K
$ l7 ^& c# u7 d7 h' X7 Y
Appendix D
$ H" Z" d" ]' FTable D1, D2, D3, D4, D5, D6, D7, D16 |
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