 鲜花( 0)  鸡蛋( 0)
|
Canadian Electrical Code Review Guide, T% ^1 n3 ~& [) |+ d
For the Exam of Electrician For Red Seal License4 S( |& n1 G+ }4 P6 \" H+ D% L; u
; L" q8 a3 M; Z4 p; c" Y
Lesson One
n) Y6 F# r6 m# t0 Z+ SSection 0 DEFINITIONS
' T2 n. {' G3 v9 [, a3 B2 LThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
, m' J. X: f6 {* C9 L6 D3 p* W6 YAccessible as applied to wiring methods! g `9 m5 l) E' `5 o+ t4 L: S* v
Alive or live8 K& B# Z7 `' m8 D$ |( O: @* _
Aluminum-sheathed cable
& M8 M) |9 A0 c; P4 r" v( y/ hAmpacity, m) h2 @! m% P' o/ w3 w( p
Authorized person
. m1 ?. E9 I9 d' MAuxiliary gutter1 s0 V4 ^* l) v+ V- x
AWG
% K2 z3 B2 [8 ~* I! k$ qBonding. _+ I8 ~' U# R1 D% y9 E$ X# A
Cable tray
% \7 M; v& r% i! N! h' MCellular floor
6 G* a! i/ b5 g( u4 _4 G) RBranch circuit
3 c. c4 \7 I9 n* o) l" {) |Bus
1 c h% S+ B8 C% h. ^Busway4 u6 z$ D; k8 I8 Y' Y, U
Communication circuit. ^: T1 q3 r( o- S, t
Extra-low-voltage power circuit# w" T7 P7 P. l% r9 i/ ?. |( w
Low-energy power circuit
* Y$ F; t( _! G2 aMulti-wire branch circuit4 }, ~1 W5 z( X) B# r* \' O+ R
Remote control circuit8 A5 J# \+ F- o+ b" l
Signal circuit
( F9 L" U, e; ~4 R+ s4 V& UCircuit breaker
+ E! I3 F* A" k; E& W. ]+ wInstantaneous-trip circuit breaker
. G" B9 N+ u9 T$ m0 O0 ^! jConductor0 l, h" h4 ?- ]; p
Conduit0 e0 W" {1 u" P' R: ~' I
Flexible metal conduit) i& z1 t& y6 I x _5 N
Liquid-tight flexible conduit& y; S: `$ R e$ b- D; y' G! H
Rigid conduit& V' [6 {1 j9 C% r, N
Rigid metal conduit
& G* G0 N5 E$ `: n: f0 Y% A Rigid nonmetallic conduit
. y6 B q/ G# }8 X) i: B) f Rigid PVC conduit z- ^2 w& Q+ ^! w% B+ k L7 o
Connector* n6 W2 D! c. F! R% N/ Z2 i$ c: D
Box connector
3 T1 q6 |; Q2 F% h6 P Wire connector
) e1 m) F- T+ y+ W- J" iController
% h! b- U( t2 M' Y( HDisconnecting means
" @4 r: d: w0 k7 u! @ ]1 m% F* @Dust-tight% q* s4 r) ]$ [2 u
Dwelling unit9 Y; l% l4 C% H D6 {
Electrical contractor! {. V% \6 @, l% }0 e' f$ a
Electrical metallic tubing
8 L3 l% i8 O7 p4 P# zElectrical nonmetallic tubing
8 {- e) U; u" r+ S. @+ {8 LEmergency lighting8 b7 ]1 r6 }1 U& H9 j" b+ ?
Explosion-proof C6 o: Q2 F2 ]6 e6 I+ n& U
Extra-low-voltage power circuit3 z0 @* W4 J' Y6 L5 `
Feeder
& n! Q# v, C3 a5 rFlexible metal conduit, M# V$ M* @- m4 v! [7 l
Ground& t+ M/ K' n/ n6 B( q7 v5 ~1 L( G: A
Ground fault circuit interrupter
% S H D9 i+ r; \ Z3 r1 v. L5 {Grounded% r: w. A% x8 t7 \
Grounding _) G" ?* R* k: M0 Z8 Y4 h0 X
Grounding conductor4 M* V/ s. v- E! N& b$ O3 ]$ q
Grounding electrode- l" x6 c8 N2 g3 _
Guarded6 l8 z% o8 S7 g# K: @
Hoistway
8 U: M. h5 N( mIdentified
5 m' N6 g6 j4 ?+ ]3 lLampholder1 l' Y+ J7 r4 p. g
Low-voltage protection5 C! C+ p! D/ r$ P% F- r. ]
Low-voltage release
( a% ?8 f$ l& |: [3 `; q' NNeutral
$ _, D5 F. B7 V3 X5 lNoncombustible construction, K& v/ Z' q+ F0 @* }
Outlet
/ W3 i1 a' a o0 }3 ]; KOutline lighting
) f) N% F) h9 qOver current device
3 W$ w1 |. ]) U+ {3 P6 n( o4 `Overload device
( |- A# K& e* ~; D! _7 V- D6 g* IPanel board9 C b0 ?" q3 a4 {+ p
Panelboard, enclosed
% D* T" g1 |. r4 q9 oPermanently connected equipment
) A8 i: r* b8 j5 @/ G. jPermit
2 i1 y/ I6 P" a* K: g lPlenum, a1 E# F7 ?7 l( P, c ~; X
Portable as applied to electrical equipment( `- V$ z2 b& P6 K7 c8 j0 x
Portable ground fault circuit interrupter
9 I, m- ^( {1 U* W4 Y. lPower supply cord# R. l6 }/ K7 y3 w5 I
Raceway6 Z& U0 r7 k; A) k- ^, T# B& y
Receptacle
. F' ~( W. V# e% B p0 y/ U/ R6 e Duplex receptacle1 i6 f7 S2 a5 j+ i6 @' M, ^
Single receptacle6 V# e9 e: V: |: F
Split receptacle
" j$ q1 N0 S3 \Service, consumer‘s
5 V$ Z$ \! m: g3 q- mService, supply/ ^9 o; H; Z9 ]8 |) W9 x: W( w
Service box
* W0 e5 h8 c$ qService room' \. {! B4 v* l4 Z+ o7 E
Single-dwelling
8 Q+ q$ A( L# x) S& _& D, s& a# eSlow-burning as applied to conductor insulation S) x" X8 }5 T( v9 U& W! s1 e
Splitter9 @5 u1 W. U2 l9 w
Starter$ X- J0 O* j5 ]
Switch4 s4 a5 o- l9 _: _; d: q9 D6 m
General-use switch0 t% h0 J. `# Y- u& U$ G
Indicating switch
. P- X( M8 C4 m# ]0 E5 u+ P Isolating switch
, ~% U$ h/ ]: b2 [7 ~0 o. Z Motor-circuit switch
$ c) Q ]$ w8 }7 HSystem
+ X# O$ i2 r, U! p0 g& B( L Communication system
: ^, o4 D5 o# ?% G Community antenna distribution system(CATV)
. i, B% J6 R. n8 K% t5 l. C% ^ Grounding system
3 G: x$ p" t4 vUnderfloor raceway0 U' _3 z% N# h0 |. p$ I$ f! x6 g
Voltage:. w$ |/ A2 K: N. \
Extra-low voltage
& s2 n' }( L4 Q High voltage
0 u* Z, g5 e# ^4 q Low voltage0 F$ S1 m: ~% H1 p6 y
Voltage of a circuit5 `. @4 t! l8 Z3 H# B2 c
Voltage-to-ground
+ R2 G6 f! }- ~2 C& m8 {/ k& o! CWireway' d8 ]/ P3 V+ E0 H! j
" u* ~0 X' N: j3 qSection 2 GENERAL RULES- i2 ?# P) T7 C# K* N/ Z, Z
Administrative
0 h! k( l* |4 s6 ~9 B2 j2 L2-018 Reconnection
. t2 S, o+ b! p3 @0 Q2-030 Deviation or Postponement
( P8 ^- y! n4 RTechnical General
. w' k* v& f* W. c2-106 Circuit Voltage-to-Ground – Dwelling units
1 b, v3 X& s( d7 U7 D2-114 Soldering Fluxes" _) \% C0 H* D
2-116 AWG Sizes of conductors/ i$ Y+ X5 ]* o
2-124 Fire spread (see Appendices B and G)6 z0 m, w+ K, t( ^( m( u
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)+ J Q& M. y0 T+ Z
Protection of Persons and Property
1 {$ N/ q! F+ b2-202 Guarding of Bare Live Parts
" H. l4 w: U+ B9 G# H. |Maintenance and Operation! B) `3 L, m4 O1 p0 V
2-304 Disconnection7 |( A3 {3 E* e" M; j
2-306 Maintenance of Live Equipment
# m% X- I2 r0 x7 Q( ^. [3 H, wN 2-306 Shock and flash protection (see Appendix B)
* \7 | ?- ?7 R. s2-308 Working Space About Electrical Equipment: Table-565 m1 i; s% s: _
2-310 Entrance to, and Exit from, Working Space/ J: ?7 u4 ?9 J" V" u1 L
2-320 Drainage1 g( a7 t* F0 z
2-322 Electrical Equipment near combustible Gas Meters and other Devices8 G4 P8 { t1 J9 J5 [0 Y
Enclosures
( c! ~9 T4 ~* y2 t8 c; H2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) + w$ R* K, g* L$ H
2-404 Marking of Motors: DP, WP, TE+ c# N- P3 Q% ^( W8 d' M0 o
) W" t2 j/ c: c2 T( T2 v
Section 4 Conductors
2 ^4 _: h2 N8 k4-000 Scope
- U+ A: e) v- I' R4-002 Size of Conductors: 14#, 12#7 V9 {9 Z5 a3 H" ?7 |) e
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
" Z4 Z# \; D# E2 [4-006 Insulated Conductors: Table 199 h9 E7 a9 V. S6 _. s8 F9 i# n3 R
4-010 Uses of Flexible Cord: Table 11
* r4 h" w- B. A9 N2 S4-012 Sizes of Flexible Cord5 j" O# o q2 u' {. T0 v
4-014 Ampacity of Flexible Cords: Table 12
8 b' k5 Q3 X8 ~( c4-018 Equipment Wire
. ` r- ]4 Q1 O0 H4-020 Insulation of Neutral Conductors
~) F6 {8 I) W% }* @4-022 Size of Neutral conductor5 v% F! H, K; i6 y3 t
4-024 Common Neutral Conductor
1 q4 T Z) g1 D& |* G u# P4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum) o& @) v* W) X3 Z
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum6 J* o8 S" x/ a6 v% m
4-032 Identification of Type MI Neutral Conductors# G+ F& p# N" [# i
4-034 Use of Identified Conductors& @3 S: a: \/ C! n; @. }
4-036 Colour of Conductors: Phase A, B, C, …+ T5 U3 K- |' j& I8 f
" P, V2 o5 U; ~6 _( F. sSection 6 Services and Service Equipment" I" t4 J& X7 d% M" m
General
6 \' d! ]2 K4 N v1 B6-102 Number of Supply Services Permitted
& `+ l! R f* F6-104 Number of Consumer’s Services Permitted in or on a Building
* t; ?- z$ w' \3 h6-108 Supply Service from an Electric Railway System
) ^, x/ Z4 k5 @7 X( Z; g6-110 Three-wire Consumer’s Services " }# N' E1 K' i" J6 ?% p( R
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors0 F W& b$ @- w* R5 _* F
6-114 Methods of terminating conductors at consumer’s service
8 x0 C/ l) |& C3 J6 o6-116 Consumer’s Service Head Location9 r- i7 j3 ?( M# R
Control and Protective Equipment
' l0 ~) X B) B* S, w0 q6-200 Service Equipment. \ g- C3 Z" O4 Y y
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
6 k+ W: h7 B) z0 m6-208 Consumer’s Service Conductors Location# Z9 [: X5 o. v6 D
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
, ~& _0 J: {( S; X0 ~. |+ M. S# `8 o0 o6-212 Wiring Space in Enclosures
# x9 V, M% u3 P: F( w6-214 Marking of Service Boxes' y! \) ?1 J3 g1 R3 w. p
Wiring Methods
5 l- o0 Y% ?) h6-300 Underground Consumer’s Services* {1 I' v# Y7 H' q
6-302 Overhead Consumer’s Service Conductors
4 F8 K. a! W7 Q ?1 U1 D4 j+ Z5 O6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
9 J/ c6 m" {9 d1 o6-306 Consumer’s Service Raceways* g: N: T: [3 U3 R( z: r3 G) y1 m- J5 f
6-308 Use of Bare Neutral in Consumer’s Service6 S/ ~9 ?# s, i' m! _
6-310 Use of Joints in Consumer’s Service Neutral Conductors3 T+ S9 G2 Y2 E- K1 H( q
6-312 Condensation in Consumer’s Service Raceway* L! F2 E9 s+ w4 S0 @6 W# L9 Q
Metering Equipment
9 e4 {8 x9 F3 b6-400 Metering Equipment
( a: Y/ v, ]6 X6-402 Method of Installing Meter Loops
7 p& W0 l4 n7 f2 ? l; T* b% k: t5 y6-404 Enclosures for Instrument Transformers
+ z+ X7 ^2 g3 Y0 C6-408 Location of Meters7 n7 z3 h4 M, L! a$ w
K( M' f5 U( _2 L( o5 dSection 8 Circuit Loading and Demand Factors
0 h3 o' Z* `) d" O: l% V# W+ fGeneral
& J4 D$ d( \, Y* I2 O! @: Q8-100 Current Calculations
$ `, x2 f8 t# i s9 N8-102 Voltage Drop ( see Appendix D)
7 R0 G: ]; s- y" S8-104 Maximum Circuit Loading
* }3 @/ {, C Q& W. q# L5 T8-108 Number of Branch Circuit Positions5 N* M# s: |% C R, ~4 e& i
8-110 Determination of Areas
) j! { l% v* f9 J: nServices and Feeders
9 c2 @' k) ^9 V7 @# G% X8-200 Single Dwellings (see Appendix B)+ r) x/ N0 Q7 a$ C
8-202 Apartment and Similar Buildings- e' X* n' E2 y" j
8-204 Schools
- g5 q4 l6 t5 M' _5 z. V8-206 Hospitals: o9 v4 f8 X( B G e+ X
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy7 ]+ W# R( k# Y2 U8 x3 N) U
8-210 Other Types of Occupancy (Table 14)
4 J) a s. ?( ^- S% |- M8-212 Special Lighting Circuits
" `7 o$ ^8 ^7 {* i% y1 H# @* m( UBranch Circuits. l. z s( a( q" ^6 F& A7 x' g/ V
8-300 Branch Circuits Supplying Electric Ranges) f4 t: |. O9 w3 i
8-302 Connected Loads8 k/ q P0 [6 L1 ~7 k7 P, c3 |
3 T+ t+ t6 R/ Z( T
Section 10 Grounding and Bonding' b& C" z& }1 c: ~
Scope and Object
- q8 X6 ^- G# V3 W: _! o# v10-002 Object
' M7 B' y( N6 e2 ?5 GSystem and Circuit Grounding
1 A5 s# e5 z: E- W( U" R10-102 Two-Wire Direct-Current Systems
+ Y( Y* c$ a5 M4 U) f2 [1 p10-104 Three-Wire Direct-Current Systems7 ]! T" O" J# j, p
10-106 Alternating-Current Systems
& @8 x- h! K* l! f10-110 Electric Crane Circuits- u) s m. g2 Y- c% b
10-114 Circuits of Less Than 50 V
- ~7 c- B0 A2 ~/ A s10-116 Instrument Transformer Circuits. x* X# s' l% K3 S* R0 B) A
Grounding Connections for Systems and Circuits6 @/ b1 t3 U7 b0 D- ^! Z# Y
10-200 Current Over Grounding and Bonding Conductors+ [+ h# a/ r; i' I2 i- f
10-204 Grounding Connections for Alternating-Current Systems3 J2 U4 @- Y" J# w( W
10-206 Grounding Connections for Isolated Systems
# x; _' i9 n. t3 n, s+ ?/ _3 k10-210 Conductor to be Grounded
: s. k6 j+ x! i5 ?8 AConductor Enclosure Bonding8 y5 z& d1 n: d" s f( l( y! H! V
10-302 Other Conductor Enclosures; Y6 m x" q) u1 K) v
N 10-304
2 a. S/ n) ?. P/ X- Z' hEquipment Bonding
9 m, R$ Q4 d C- a9 T$ g" Z( V- H j10-400 Fixed Equipment, General3 x# f! W0 V$ t2 s3 `- S8 L
10-402 Fixed Equipment, Specific (3), (4)
% D+ a. v7 u7 v2 q' P10-404 In Nonmetallic Wiring Systems
. X7 |: H- M K/ k10-406 Non-electrical Equipment% s- I! O( ^! J4 ^# B; {4 ]
10-408 Portable Equipment (4)(b)& B4 G3 p. k, n" w. w
10-410 Instrument Transformer Cases4 o/ R# I& E% n: q; y
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
( i; m: t1 C( {' e10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V6 W) Y7 \9 Z' [3 s' B& D- A
Methods of Grounding: @/ y9 ]; e C8 g3 P; P6 O$ e
10-500 Effective grounding (see Appendix B)
9 S" _8 V0 k5 q10-502 Common grounding conductors
# [/ h) J8 `7 O. a r; t0 c3 d10-504 Common grounding electrodes( o; T' G, b5 }/ ]2 H
Bonding Methods8 @8 O& [7 M# {% B% H- l( |4 d
10-600 Clean Surfaces
" ^/ G- {- F' Y0 Y, q10-604 Bonding at Service Equipment
6 |) G9 \( g4 m. I6 S10-606 Means of Assuring Continuity at Service Equipment$ p- A, a$ g4 B4 A2 I$ C
10-610 Bonding at Other Than Service Equipment
- m6 [3 F% M( T5 l, M0 w2 D10-612 Loosely Jointed Metal Raceways
' G @! G+ @6 D6 v/ k3 ]' J& x9 z9 ]10-614 Bonding Jumpers Table 41
3 a: M% R1 C1 v7 NGrounding Electrodes
: r h( g- `) Z% O10-700 Grounding Electrodes/ y' {# {5 f0 e, j. R6 W- | |6 l4 w
10-702 Artificial Grounding Electrodes% N m4 M: G8 B+ S9 [% J' E' p% e
N 10-700 & 10-7027 ~5 q/ K; Y1 G [
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)& G% V _$ c, a6 X
N 10-702
5 |; y/ U. y2 Y: t10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding) d( s9 S, q% F: k3 V- W
N 10-702
8 X( Y( v3 d9 C8 l10-710 Use of Lightning Rods (Appendices B and G)
, d- c# C3 {# J" v, b7 MN 10-706# o3 `+ r/ Y) E n/ l: n- B# Z
Grounding and Bonding Conductors
' a& O4 J9 U$ M10-800 Continuity of Grounding and Bonding Conductors7 M9 b' h5 S2 m8 `) P" r5 h8 x$ V
10-802 Material for System Grounding Conductors
" E/ q* e& M% E0 p+ b$ X9 k R, B10-804 Material for Bonding Conductors- t: [' V8 G9 G) M& n8 y2 N
10-806 Installation of System Grounding Conductors5 u3 n- L, U* Z# E
10-808 Installation of Equipment Bonding Conductors
3 W1 q5 g" ?3 @10-810 Grounding Conductor Size for DC Circuits/ R# g% F# i: F- K) h9 z" F. H
10-812 Grounding Conductor Size for AC Systems (see Appendix B)$ H8 G. v% {, Z4 x
10-814 Bonding Conductor Size (Appendix B)7 Z- V9 L- R3 ]7 ^2 W+ W% y5 c# a
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment- O3 e* H$ U- a) U
10-818 Bonding Conductor for Outline Lighting
: F! C: P9 I7 _* u2 L- a10-820 Bonding Conductor Size for Instrument Transformers8 k4 B) _: G) n, ^. e4 S, }2 v
Grounding and Bonding Conductor Connections1 l9 |" Z5 e$ c; M1 P: E' S
10-902 Grounding Conduct Connection to Water Pipe Electrodes% k( S& A4 n. G! {+ N
10-906 Bonding conductor connection to circuits and equipment
7 W. x4 P7 I e. ?10-908 Grounding Conductor Connection to Electrodes. R8 w) x. o0 W7 M
Lightning Arresters4 v- ?- M/ _: E
10-1000 Lightning Arresters on Secondary Services – 750V or Less
: Q" y( T' f; G/ q
, y; D6 j8 `! G4 K8 V+ w5 g# {Section 12 – Wiring Methods
5 z# D9 M; |4 n5 F; GScope
1 b2 U" g. h: t5 n12-000 Scope (Appendix B)( [: z9 } n/ M, \' F! o
General Requirement
4 A1 Y+ P! ^% Q3 q12-010 Wiring in Ducts and Plenum Chambers k6 r& P' [5 N( h4 _3 ^5 i2 _
12-012 Underground Installations (Appendix B)- E1 T6 k, t/ ~5 i
12-016 Lightning Rod Conductors
8 E% `. y9 N$ t% ~! T3 S( F JConductors - General) L6 K5 T+ ?% {: u$ ^5 T6 T
12-100 Types of Conductors (Appendix B) Table 195 @ @" B5 g5 r6 s1 q) p6 G
12-102 Thermoplastic-Insulated Conductors
& I! R& z' g8 b12-104 Flame Tested Coverings" y* u+ R. |7 o: V
12-106 Multi- and Single- Conductor Cables+ _0 {& R6 |; D7 o" Z
12-108 Conductors in Parallel (Appendix B)
3 U: K9 b0 b; a; n0 x: ~12-112 Conductor Joints and Splices
6 a0 [6 F6 a' A5 ^- {12-114 Ends of insulated conductors
; b/ K8 a6 K. H s12-116 Termination of Conductors (Appendix B)( s4 n' i# \3 H% V7 D! l4 F# b2 f
12-118 Termination and Splicing of Aluminum Conductors
8 c1 @( v$ e# w! w9 C: K7 o12-120 Supporting of Conductors - Table 218 o" s( P& g8 |
Open Wiring
7 U0 s) \; `. [. S7 x E+ G12-204 Spacing of Conductors; D! I: L! h- q0 Z$ m: ]+ ^( Z
12-206 Conductor Supports3 `/ j: C+ x6 [$ k& }5 s5 ^
12-208 Conductors on Flat Surfaces
& e; t' y Z& ^3 @12-212 Protection from Mechanical Injury
& X8 j* B. h- v- a& [Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises6 H* h0 ?; ]7 E, T2 Y2 t6 Z
12-308 Minimum Size of Overhead Conductors
, R" J E* D$ u& P; l12-318 Use of Neutral Supported Cables
3 U' D4 s A9 b' l" I2 x( MNonmetallic Sheathed Cable4 C0 h* A1 [ @) h& b8 h
12-502 Maximum Voltage
7 Q" l. I7 @& l12-510 Running of cable between Boxes and Fittings (Appendix G)4 A- O; l2 D2 S: d) G M. r! `3 _
12-514 Protection on joists and rafters
2 F0 x Q8 b+ n. S5 T7 q12-516 Protection for Cable in Concealed Installations (Appendix G); n' s1 k( h4 P: t( b" W
12-522 Where Outlet Boxes Are Not Required
- g7 l# |: ^3 H. J5 u, sArmoured Cable+ c: g; | Z K; v
12-602 Use (Appendix B), }/ e& d6 L) p& t* O( ^ B
12-604 Protection for Armoured Cables in Lanes* D% [8 y/ |: H0 O& a8 ?: y0 K
12-606 Use of Thermoplastic Covered Armoured Cable, }3 _0 ?$ ]) E8 }. B) l
12-608 Continuity of Armoured Cable
" F% d1 g/ O, E7 R9 J12-610 Terminating Armoured Cable5 X* U. S3 r3 ?1 t0 a
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems" p5 z$ y3 y9 s1 Z. N- c
12-614 Radii of Bends in Armoured Cables! p0 t' M2 [8 V) w) n" ?* u
12-616 Concealed Armoured Cable Installation; _, i5 _% L: d8 ~ @. y
12-618 Running of Cable between Boxes, Etc
& @: S6 o( G0 S: a$ c0 E- y' bMineral-Insulated and Aluminum-Sheathed Cable
% c6 [# `3 E: c! A. j12-702 Use
( {1 y" {% ^6 E12-704 Use When Embedded- @+ ^+ J: o& V) F
12-706 Method of Supporting
! i7 a& A$ B; z7 R6 P* y12-708 Direct Earth Burial
& ]: o3 }9 c& E7 ^9 d3 i W9 N z* O12-710 Mechanical Protection
/ i! J4 [2 }/ v1 F7 f$ N3 N% ?( {# i- M12-712 Radii of Bends* O& n4 ?0 N0 S+ [- {, M
12-714 Termination of Mineral-Insulated Cable (Appendix B)! n: [: s6 q. r% K7 |' G1 R W
12-716 Connection to Other Forms of Wiring: n6 E+ o' b; A+ X" j/ p
Flat Conductor Cable Type FCC
; Y5 W4 P- T; W5 R0 c12-804 Use Permitted
3 O! j! A) ~: F3 x y& @12-806 Use Prohibited& V8 A: ~; q3 ]/ B# v U3 K
12-818 Anchoring! o6 C5 [5 ^6 [) o! }
12-820 Crossings- f D H4 c r! R+ f- H" S3 H9 q
Raceways - General
; g! J- N2 _/ Z2 d: u/ g12-904 Conductors in Raceways D# ^0 t" |" V: t1 z
12-906 Protection of Conductors at Ends of Raceways
1 z/ o% c# e1 ]2 U. W12-908 Inserting Conductors in Raceways! w# {7 e+ V5 `; ^
12-910 Joints or Splices Within Raceways7 n+ `1 E: r6 Z$ }4 ?$ Z2 S d
12-912 Stranding of Conductors
4 I) i8 Q5 d6 M0 ~( N5 z/ F) F3 i12-914 Electrical Continuity of Raceways
7 Q! }. N+ m c f12-922 Radii of Bends in Raceways2 e& z% ?9 ?! {# r$ }" d
N 12-922 Radii of Bends in Raceways Table 7' K Y0 H! x! p4 _4 O! z1 E! y# k
12-932 Protection for Raceways in Lanes
- d0 m6 V3 ]' Y( j+ ?& t c12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
n# F- @; @. {5 e- A9 d12-938 Capping of Unused Raceways( ?- g- k$ M' n) p' U
12-940 Maximum Number of Bends in Raceways5 b7 G2 o6 _+ _: \; I
Rigid and Flexible Metal Conduit' q7 M* }0 w% R
12-1002 Use
3 ]; V& n4 C3 m# F6 @12-1004 Minimum Size of Conduits
9 H2 u5 Q8 R" n) I6 e12-1006 Conduit Threads (Appendix B)* G$ X& X, {5 h# u* \5 A
12-1008 Thread Engagement F: C/ Q1 R6 n( V( k: ?" F
12-1010 Maximum Spacing of Conduit Supports
- M% d" t0 A; l. g12-1012 Expansion and Contraction of Conduits (Appendix B)) L M K! N" k+ a/ }1 ]! B
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
3 t+ {* M# G! G# BRigid PVC Conduit and Rigid HFT Conduit
6 ]* d( _2 F! A+ P& d" X& M12-1100 Use$ W# E+ y# s6 X- w( H! F2 g! R+ Z3 g
12-1102 Restrictions on Use
4 t3 W t- e, o! e1 T12-1104 Temperature Limitations (Appendix B)3 g& k; `1 l. {3 m, ~* B1 f
12-1108 Field Bends (Appendix B), (2)' d5 }7 f/ e! o
12-1110 Support of Luminaires
+ H$ |. V" g: k2 Y3 p; ~ D% E12-1112 Fittings
5 ~9 C g7 @6 l% ^5 q6 c6 V' {12-1114 Maximum Spacing of Conduit Supports) a0 W4 T9 o" T0 f& F% r
12-1116 Support of Equipment& L9 }7 n0 b" U5 h
12-1118 Expansion Joints (Appendix B example) }$ w+ ~+ Q2 Z! e. v
Rigid RTRC Conduit
5 r( r& L8 {$ u( Y" r12-1210 Temperature Limitations: M- S2 `+ V2 v
12-1214 Expansion Joints (Appendix B)
( O# m3 M$ F/ W/ HLiquid-Tight Flexible Conduit2 o; U1 V9 K& W2 v$ ~
12-1302 Use of Liquid-Tight Flexible Conduit3 g- p0 H5 o: R. c! W
12-1304 Maximum Number of Conductors, S1 C6 C# R0 T; B/ h& X
12-1306 Provisions for Bonding
' w0 K) y" c$ r! D/ y. H2 eElectrical Metallic Tubing
?. [( P% a7 ^/ V& l. s5 z12-1402 Use: H. {4 U# c5 V( A, A! j6 R3 s
12-1404 Supports
) L. I }2 l ^, a0 K5 f3 U# _1 N/ J12-1406 Minimum Tubing Size
/ \! K+ v( u5 h2 ^& Z12-1408 Maximum Number of Conductors
$ W0 H* R6 y% I12-1410 Connections and Couplings! R7 r: P4 |6 ?* r
12-1412 Radii of Bends in Tubing
+ O8 C5 ~9 Q! ^2 K( JN Table 7
) B2 ~4 s) }2 {! ?Electrical Nonmetallic Tubing
\. x3 t6 ]0 S) l1 f; q; @; X12-1516 Provision for Bonding Continuity
5 B7 Y! f& E1 a0 SN 12-1514$ s. K: U; c! ]) j. H' x4 g. R
Surface Raceways+ V$ s3 N! P4 Q
12-1602 Use of Surface Raceway (Appendix B) g) H% I' z! ^3 b) j9 H$ J6 N
12-1604 Temperature Limitations+ p3 Z% {$ f' P) x; L
12-1606 Conductors in Surface Raceways (Appendix B)
! M9 M+ v) p# A12-1608 Maximum Voltage+ I Q% Y- F T7 w' D
12-1610 Joints and splices ( ]/ e! S9 |/ [& d$ r
Underfloor Raceways$ |+ d P- Z1 }$ g$ A
12-1712 Discontinued Outlets in Underfloor Raceways- z* K# @/ Z) K3 N" C+ d7 n
Cellular Floors
7 K: f u( g/ O" k1 Q6 C4 R12-1804 Maximum Conductor Size in Cellular Floor
7 H+ d, p8 [% B5 A$ {+ G1 `' ?" F12-1820 Cellular floor discontinued outlets
4 A9 w' I) B N5 D2 P& zAuxiliary Gutters. r8 j- ^7 O i* }1 I1 E0 {/ h1 r
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces( b2 E0 r D- j+ y7 W4 P. C
12-1902 Auxiliary Gutter Supports
% R% e6 b g% C3 w# U. _12-1904 Auxiliary Gutter Cross-Sectional Area$ A. f2 `/ n$ e h$ q( Y' K# u$ a0 \
Busways and Splitters2 B3 U4 L0 i. U$ t
12-2004 AC Circuits in Busways and Splitters" b( W3 S1 C' r0 ?* S5 d/ y% G3 n
12-2006 Busway and Splitter Supports
! E8 P1 X- g) y" \) \7 h12-2008 Method of Installation of Busways
3 r% d# ?; m: P12-2012 Reduction in Size of Busways
K. E; s. ~* V8 R! q8 p7 n, q12-2014 Length of Busways Used as Branch Circuits$ v# h6 }( A- {7 |9 S
12-2018 Taps in Splitters
- }3 ]' C4 ]2 S, h9 M: [" c/ Y( P8 rWireways% D* {: @1 ?! N% |
12-2104 Conductors in Wireways
* k0 y; \) ]$ G% ~! S12-2106 Taps and Splices in Wireways- _# M) Y2 P* `
Cable Trays |( G( {- T% Z' [
12-2200 Method of Installation (Appendix B)4 y7 X7 u% G. M" X
12-2204 Joints and Splices Within Cable Trays+ _. e/ H( a- w X1 y8 j( P J l
12-2208 Provisions for Bonding- i0 L( x# y& U2 ~
12-2210 Ampacities of Conductors in Cable Trays: {+ N! d7 C) a; h
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
7 M: m$ S3 P$ r12-3000 Maximum Number of Outlets Per Circuit
6 d3 k# u, q/ t; B- k) n, uN 8-3044 E& C/ D5 d7 y! {
12-3002 Outlet Boxes (Appendix B)
4 S+ z) x2 U7 U Q( T. E2 dN 12-3000
; y& W) m0 J5 j% W/ v" A" l12-3004 Outlet Box Covers
: H U3 X/ a! z4 C& lN 12-3002
5 k+ i7 N4 p; a. K12-3010 Boxes in Concrete Construction
" v# }5 n+ y0 m/ e* n* wN 12-3008
' u+ ~5 e5 ^2 w+ P: r12-3012 Outlet Box Supports
1 y/ a$ N. @) m4 ^N 12-3010& g6 m- X8 w( b$ j2 L! ]
12-3016 Accessibility of Junction Boxes
& ~( s- f5 n6 f6 O, g- vN 12-3014* Z3 Y0 M) S |. Q
12-3018 Flush Boxes, cabinets, and Fittings c6 W L6 t a
N 12-3016
, e) A7 c( w; f, ~) r, g) r- y12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) * n/ E3 ]0 {6 \, A, Y& |6 H
N 12-30227 L; ]6 w' f# {0 @3 F, L3 d% g% e7 T
12-3036 Maximum Number of conductors in a Box - Table 23
. J, H$ i$ @ k; l" @! yN 12-3034' G4 |" U9 {$ q
12-3038 Pull Box or Junction box Sizes
! o" ^5 d3 K1 w0 o, lN 12-30362 U& `1 y2 W( t6 R! @3 D
/ L; l! z. i H% C6 b: c8 P0 ISection 14 Protection and Control
! P4 G5 v: T+ P6 AGeneral Requirement
# `: j$ N! G x- M14-010 Protective and Control Devices Required Y% l* F) i9 Q7 D* E/ X( y
14-016 Connection of Devices
# L& c" C8 t3 S) f2 @7 q$ `1 | Protective Devices – General6 O4 i) d/ k' y
14-100 Overcurrent Devices Required: m" u+ F$ @! S9 B$ c& F
14-102 Ground Fault Protection (Appendix B)
4 n- ~% x7 m+ k* h+ ~+ }14-104 Rating of Overcurrent Devices (Appendix B) Table 13
3 U, @9 x! E' V- K' [# x) m4 P, v6 b14-112 Overcurrent Devices in Parallel
& l9 ~5 H$ Y9 fFuses& V o8 H, S2 s) d* }
14-200 Time-Delay and Low-Melting Point Fuses1 r* Y7 `* U7 J
14-202 Use of Plug Fuses( a# V& f, a( t
14-208 Rating of Fuses5 W/ b7 C' J. x5 E; Z2 o! h/ _( E
14-212 Use of Fuses (Appendix B)
$ o5 ^2 r' y a: j `5 xCircuit Breakers
6 v# j1 \0 \' o3 p9 j( s6 T14-300 Circuit Breakers, General
6 Q% F* c1 H7 N14-306 Tripping Elements for Circuit Breakers2 [# F \8 J2 |/ O0 c% P0 ?# w) u
14-308 Battery Control Power for Circuit Breakers7 ]- F3 f$ L \3 h
Control Devices - General' O$ \, }: [: E( y$ `7 R3 v
14-402 Disconnecting Means Required for Fused Circuits
- {3 Y: w3 v, s9 ~Control Devices - Switches
' i. e; f" C( K. I9 B14-502 Mounting of knife Switches
- a% o7 Y, y( ~, l14-504 Maximum Rating of Switches) K: p! L- |7 G! U0 ?
14-508 Rating of General-Use AC/DC Switches (Appendix B)
, g0 q3 q! i0 \$ n7 e/ v4 t0 t# b" h; B14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
E5 W3 v7 E/ {) Z7 I/ OSolid State Devices
6 D, c3 T e1 F6 J& x14-700 Restriction of Use! _& i0 F1 B6 o; j, ?
14-702 Disconnecting Means Required! \* [, J+ G& K+ T$ C; F: D
6 p- r) c2 o( @4 t. l5 _
Section 16 Class 1 and Class 2 Circuits. X9 u1 i8 G) ~+ J- `: l+ k5 K
General& h0 c! A$ C8 [, D0 t- J
16-004 Class 1 Extra-Low-Voltage Power Circuits
! T8 i' ?$ R3 p3 m& r) J# x16-006 Class 2 Low-Energy Power Circuits" u9 d3 e% p4 b# _
16-012 Circuits in Communication Cables6 V k! X Q% c" X* S8 \
Class 1 Circuits
; T( S7 S! I$ A- d16-100 Limitation of Class 1 Circuits
7 d+ v/ b8 w/ p& a9 j3 M7 Z16-104 Overcurrent Protection of Class 1 Circuits( n: }3 O( A2 K& U( s( ~: J5 W6 v
16-106 Location of Overcurrent Devices in Class 1 Circuits, C, G& W; \5 H$ ~, f
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
/ J# j4 A5 @) b J l& T- c7 t16-110 Conductor Material and Sizes
4 g+ q) r( Q( y7 }1 N16-112 Insulated Conductors for Class 1 Wiring& n- k ]- g5 s" [+ S8 t
Class 2 Circuits, W9 E+ C# L# n
16-200 Limitations of Class 2 Circuits (Appendix B)
5 T9 J' B3 N9 a4 B. M! v5 _16-204 Marking
- x# [) p6 ]" A I& l8 A16-206 Overcurrent Protection for Class 2 Circuits
1 c# @- F( |" ?( E* [5 Q- u16-210 Conductors for Class 2 Circuit Wiring (Appendix B)7 T2 e4 I( M1 y) t1 a
ELC: extra-low-voltage cable' v$ S9 r; e$ E5 L
16-212 Separation of Class 2 Circuit Conductors from Other Circuits; h5 S2 u3 h/ J/ J* h6 p; W
( p& I* Q3 a/ A8 {4 n8 f) @- H
Section 18 Hazardous Locations' I* {! i) K' T' K9 L# U! Z$ k
Scope and Introduction
) V- k! a( p+ g; u" e1 f18-004 Classification
8 ] V$ |- k3 J- d: m+ O+ ~: A- ?18-006 Division of Class I Locations (Appendices B and J)1 K* A( m4 Q% T' p3 m0 s* C
18-008 Division of Class II Locations (Appendix B)2 |4 Y$ p; n! F
18-010 Division of Class III Locations (Appendix B)( e+ m6 ? ~' B+ n
General) G" V' H0 P9 T R
18-062 Metal-Covered Cable (Appendix B)! } u* b9 U2 R0 J/ ~* y
Installations in Class 1, Zone 1 Location% Q/ w* g0 P' k3 l
18-108 Sealing, Class I, Zone I (Appendix B)
' Q/ Y* B- ] o* C
/ d5 H$ |1 j3 ^) p* {Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
: N& w9 Y, E2 h$ RGasoline Dispensing and Service Stations a- }. |- b# X: O/ g9 s. x& p, l
20-002 General- [2 o( `9 f% G8 [4 \1 }) P
20-004 Hazardous Area (Appendix B)) D$ T9 A1 b# k9 z" o
Propane Dispensing, Container Filling, and Storage3 k1 b2 Z- D {! a
20-034 Hazardous Areas - Table 63, x+ m* k2 N7 t4 g' ~) g& c& D6 [
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
0 ^2 t; R2 z8 l3 W0 p; ?. |' G- u20-062 Hazardous Areas- U2 r; i( {, b; m, U; j
Commercial Garages – Repairs and Storage
- ]7 |0 s7 J8 o& ~+ o- ^20-100 Scope5 V+ H+ e! c. G
20-102 Hazardous Areas (1)
5 P K/ q! K3 X& i- j2 V [
1 c! B9 L' \! E K. x/ s) X% kSection 24 Patient Care Areas3 Y+ r" o- R/ [2 [7 D. D
24-000 Scope (Appendix B)) i1 H3 Q' [- |/ F6 l
24-002 Special Terminology (Appendix B)6 b- x, b0 _) S: z
Patient care area
3 X9 h$ S1 M& o' NPatient Care Areas8 }8 m% S4 @8 y# z5 P- @4 I9 s
24-106 Receptacles in Basic Care Areas (Appendix B)
# l, U6 t* l; _! v: V1 Z/ t5 `Isolated Systems& N3 H. }' }9 A' c! ?- E
24-204 Single-Phase Isolated Circuits (Appendix B)
. f7 a8 j3 a7 v24-206
2 N) B3 e5 D, E& v3 J' C
0 k$ z" t$ G) u8 xSection 26 Installation of Electrical Equipment
4 r" @3 P, c/ X- T6 b, bGeneral3 L% s6 j! {, O, y& R. X. w/ i
26-004 Equipment Over Combustible Surfaces (Appendix B)8 d1 d' P; R; Z5 |/ {: i
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
6 m& X6 E: B7 P0 ~& I Isolating Switches' h# l$ F6 f. D2 P
26-100 Location of Isolating Switches0 X9 h* D( Y/ v# @
Capacitors8 F/ W: B" ]7 G* w0 J
26-204 Guarding of Capacitors
# l0 x/ O4 ~5 h" H26-206 Grounding of Capacitors) Z0 N) K6 h" H
26-208 Conductor Size for Capacitors9 J, [* @4 C7 L$ H$ H
26-210 Overcurrent Protection (Appendix B)
3 X5 P Y2 [$ p5 w8 n. |26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits& k2 q! |. b' A/ X
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits4 \- f: }- L) R, X' i2 F2 A
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits3 T7 B9 n' s. p$ G; p' s3 M
26-218 Special Provisions for Motor Circuit Capacitors0 A& I: t& t# F5 X
26-222 Drainage of Stored Charge of Capacitors
7 `& j$ X. l$ ~& F! QTransformers
! C9 L) x( X1 ?26-240 Transformers, General0 Z' w$ F; }* h& @
26-242 Outdoor Transformer Installations
; l9 z. T! \9 ^5 f2 c26-244 Transformers, Mounted on Roofs (Appendix B)8 ~3 ^/ Y" Z2 w2 ^
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)! n7 E2 s4 v% m% P
26-248 Dry-Core, Open-Ventilated Type Transformers
8 i$ e) J& ~1 i$ N) a3 p/ H( ^4 ~26-250 Disconnecting Means for Transformers
% g/ e' Z( i- j2 Y6 C! X6 S26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
+ \" m, V- J k' ?# G26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
; {% Q2 _. w$ ~8 ]4 F4 i f2 G26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
0 E$ F0 t/ y! R* H+ w3 _" h26-258 Conductor Size for Transformers
! l$ p8 _& l$ x* q# g; K26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
) D: z& ?; y8 H; f( c. F: c( |26-262 Marking of Transformers
* V: A/ Q1 A% Z26-264 Auto-Transformers/ A- y( l |& Y R. X r- t9 |( O
Fences- d5 l! t- i8 _3 V k- ^
26-302 Clearance of Equipment - Table 337 L5 V# F" `) [
Panelboards
! p+ E' C8 d) }: d$ ?) c26-400 Panelboards in Dwelling Units (Appendix B): j3 A! Q# j- F9 @" {
26-402 Location of Panelboards (Appendix G): C8 Z+ O: Y+ C3 q
Lightning Arresters
3 W5 Z H9 s. D6 S3 |26-508 Connection of Lightning Arresters. W3 I! q4 O1 b9 |, p9 j
Storage Batteries
* Y# H: y4 \ O: p26-542 Special Terminology* _0 Y* J$ v3 ?" I& P. ~$ L
26-550 Battery Installation
' R5 q' }7 Y# X& X& Z& v26-552 Wiring to Batteries% L. }* |! _+ @0 X) H! B7 B
Arc Lamps
+ g( n& w5 Z# F: v% X! e0 e26-600 Location of Arc Lamps
) P. s" s% M4 P% e1 \26-602 Conductors to Arc Lamps- y5 X- y" {5 Q9 a
26-608 Globes and Spark Arresters! }0 M: _) @6 x
Receptacles
1 v, N3 i( {' u6 J7 D: | g26-700 General (Appendix B)
* c" z' y0 [" n26-702 Receptacles Exposed to the Weather( ?4 b" I& l. c y
Receptacles in Residential Occupancies
1 t; _ c9 M1 ]8 _' s" G, ~# I26-710 General (Appendices B and G)" M3 {# m0 @% r% o
26-712 Receptacles in Dwelling Units (Appendices B and G), x" k' _+ @7 F% Y. K# g: j3 t
26-714 Receptacles in Single Dwellings (Appendices B and G)
9 m* J' d/ n$ UBranch Circuits in Residential Occupancies+ q7 e% U5 F; c. @5 k1 ?
26-720 General3 k$ l" m, `' d# p% M7 n; ]% {
26-722 Branch Circuits in Dwelling Units
3 e( R/ n) ^& e( X# x26-724 Branch Circuits in Single Dwellings
$ f) \$ S" |+ c* i/ C26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)4 z$ I7 c# N. g- P2 R& z
N 26-720 (F). _1 ]: v! Z0 L7 X3 g
Electric Heating and Cooking Appliances
- h4 p# Z: K& y3 Q3 \* B" l# Q0 P26-744 Supply connections for Appliances
) m# J9 X3 f' G6 R& H- f4 D26-750 Installation of Storage-Tank Water Heaters s9 x' V# F5 q$ M/ u6 c
26-752 Infrared Drying Lamps
/ V' ]% s6 w7 X& F4 V
+ [) v3 Z! k* ?0 USection 28 Motors and Generators$ E: E2 O' l" _; x b3 K2 m
General
- C- s: l6 d2 S- \' I8 U28-010 Special Terminology6 v$ x/ ]9 w7 u
Hermetic refrigerant motor compressor
) [6 B3 ~# m4 {' w) J$ N0 _( pLocked rotor current rating; y. d1 S" y6 Z, F: x
Service Factor5 ?. [6 Y# G1 N# d/ d/ B' s
Table 44; Table 45; Table-D2+ D3 a- ]0 b6 J1 V# A
Wiring Methods and Conductors
4 Q/ [3 i5 L9 [4 g28-102 Portable Motors
8 [# I( V" ~# |3 w1 P, p$ v9 P28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
$ J$ T) U+ H2 Z0 T3 S0 R- R28-106 Conductors, Individual Motors9 Y0 `. X! q& `
28-108 Conductors, Two or More Motors# H2 D# L/ J/ z
28-110 Feeder Conductors
. D0 |( }; `7 N0 b28-112 Secondary Conductors7 O0 V8 n% c7 Q1 I
Overcurrent Protection
4 V: ?/ b# L) Z0 y& \28-200 Branch Circuit Overcurrent Protection) z8 F# L+ I. n" T8 _: B7 ~
28-204 Feeder Overcurrent Protection& Y6 w! F, J: c: U! X& z
28-206 Grouping of Motors on a Single Branch Circuit
& i0 ~3 E, \3 L# g5 M5 m28-210 Instantaneous-Trip Circuit Breakers (Appendix B)# |* I6 a1 N4 v/ |# S8 q" F3 d
Overload and Overheating Protection/ M( C7 A- m! [2 K3 v9 ~% o
28-302 Types of Overload Protection0 U1 X; U) ]! i& k0 J6 F w1 {6 |2 ^
28-304 Number and Location of Overload Devices (Appendix B) Table 256 ~" u$ b& c: `, ?
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
& b- {. Q y: I- U* P28-308 Overload Protection Not Required# h! L' u1 O8 e
Undervoltage Protection
' n0 _# m9 |* O: [. r7 ?% W( V |28-400 Undervoltage Protection Required for Motors (Appendix B)
7 U1 z1 E- P0 {$ u8 ZControl6 h# Z/ ]5 A9 M! R \8 _
28-500 Control Required, K9 } h: b7 o) r
28-502 Control Location; y! ]) H1 ?6 w7 g3 B- j
28-504 Starters Having Different Starting and Running Position
' M4 E, u2 t1 I- z) t3 @28-506 Grounded Control Circuit8 @ C: z, D! {3 v4 L- Z0 ~
Disconnecting Means0 Y$ ^ a+ z- t. F$ J" z
28-600 Disconnecting Means Required
! i& c% {( f8 F3 Q! s" l( Z5 c' }1 A28-602 Types and Ratings of disconnecting Means (Appendix B)
E+ v" X \* N7 C$ Z2 A3 u ?28-604 Location of Disconnecting Means
+ d7 a$ r, E7 b& q% b) q& P$ h Hermetic Refrigerant Motor-Compressors0 @9 r0 n4 [1 U$ d* W* q
28-706 Conductor Ampacity5 `5 P o3 w' L5 s+ ^! e
28-708 Overcurrent Protection1 G6 C1 H# s* e& f8 _* O+ U
28-714 Disconnecting Means
- z! `% e# H/ s: y6 e: w$ {9 fProtection and Control of Generators, W9 `/ }5 X l$ h
28-900 Disconnecting Means Required for Generators+ C# N0 N! n( s! E
28-902 Protection of Constant-Voltage Generators
* f% ~, r" h+ m5 _+ `( ]. }28-904 Generator Not Driven by Electricity
9 b. e5 F$ `( h0 g7 t H28-906 Balancer sets
, t) T( G; [5 r8 \) P28-908 Three-Wire Direct-Current Generators
/ u5 Z3 J; l0 P2 Q! r$ w; Z5 Q" r1 a0 |, s
Section 30 Installation of Lighting Equipment
7 J1 K$ ~9 S; R! L30-002 Special Terminology (Appendix B)
: d7 k9 I! G" r2 L3 Y [General. p$ X& F% m8 r$ S" L" {
30-102 Voltage9 u# B* Q7 P- _4 W( Q
30-104 Protection (Appendix B)8 j$ @7 m: n; ~
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
5 V% k% I* U! E" B30-108 Polarization of Luminaires4 _1 \; N1 O0 _2 t6 M3 t! l1 m
30-110 Bonding of Lighting Equipment
0 Z. P' }- T- Y* SLocation of Lighting Equipment* J3 e$ @' t/ C3 V3 }5 [% F
30-200 Near or Over Combustible Material
2 s, X) ?2 s0 n: P* k; v6 R30-202 In Show Windows
7 z6 g: H! L2 j$ A3 k30-204 In Clothes Closets' u1 \) K' G$ f
Installation of Lighting Equipment. t" d% Y8 w7 [, S, y$ y
30-302 Support+ k5 Q/ C7 N" G+ e
30-304 Outlet Boxes to be Covered
; c! P$ T0 c% g30-308 Circuit Connections4 m- c; n" ~/ t9 g; _9 K% A2 p# f
30-310 Luminaire as a Raceway2 }" _4 _# X& e/ m2 ^* e& O
30-314 Minimum Height of Low Luminaires+ L- F, y/ j2 t+ F! {
30-316 Luminaires Exposed to Flying Objects
& `) f$ T y- e6 K( ^30-320 Luminaires in Damp or Wet Locations9 _1 y1 W( I; G' _% d8 q" K5 X
N 30-318" n2 E( D: u) A6 ^
Wiring of Lighting Equipment' j4 Q: H; R0 e+ V2 N0 Y
30-400 Wiring of Luminaires% k! X4 `7 L& O' `8 R% S$ k
30-402 Colour Coding
( y$ V! c a) e, i2 E' w) t* L* Z, J$ u30-404 Conductor Insulation+ f/ z7 F6 ?7 F' Q) i: r7 O
30-406 Conductors on Movable Parts
; m) s& V/ a0 f6 w+ s3 d30-408 Wiring of Ceiling Outlet Boxes
* u7 f- C8 C6 `# R1 u: M' m30-410 Wiring of Show Window Luminaires
" }# P' u9 s0 ^8 ^30-412 Tap Connection Conductors, ]3 @$ o7 B+ X+ }, C: ?0 C
Luminaires in buildings of Residential Occupancy
$ u! l; R% j+ I$ }2 v30-500 Lighting Equipment at Entrances (Appendix G)# `: h$ f2 w4 g" h( f. e- o5 Q+ ]
30-502 Luminaires in Dwelling Units (Appendix G)( b: ^' B1 Y C2 n7 u9 x! |" @
30-504 Stairways (Appendix G)# {& O1 ~8 c/ Z+ J, Y2 c3 s$ _
30-506 Basements (Appendix G)$ D/ f: f O0 g+ J9 T5 |8 T0 o: S% {
30-508 Storage Rooms (Appendix G)7 E8 w p1 W' G( S
30-510 Garages and Carports (Appendix G)
* [) S. f% {, N, T0 L5 ZLampholders
+ j' h/ Y% h% m8 J30-600 Lampholder rating with Incandescent Lamps" ?) j' D$ o% Z! x
N CANCEL
n, x: p$ X1 ]30-602 Connections to Lampholders
3 c2 j: F, ^, I0 u# oN 30-6007 a7 D% h$ L. T# P, e
30-604 Switched Lampholders Used on Unidentified Circuits4 i) m& V- x2 M$ |2 {! V
N 30-602
5 }2 V* `5 v1 K! ~30-606 Switched Lampholders with Pull-Type Mechanisms: y/ k/ b, V1 ?, c' i' q. \; P3 t
N 30-604
% g' f b" z& `30-610 Pendant Lampholders: }' h! P, F3 c; b
N 30-608
4 d$ w) y. m; y! X9 |, Z. @/ Z/ UElectric-Discharge Lighting Systems Operating at 1000V or Less
9 d$ b4 ^. b& u7 y+ J9 k30-710 Control (Appendix B)% \& u/ H h& Z1 I) a5 F- P F; I
30-712 Branch Circuit Capacity6 I5 r8 S# p; u f2 F2 u
Electric-Discharge Lighting Systems Operating at More Than 1000V
; \5 I* O7 `9 I6 K5 ?30-802 Voltages, Dwelling Units4 ?9 [1 v! Z$ S
30-804 control (Appendix B); \# |+ J" A7 B+ J+ |% k
Recessed Luminaires (Appendix G)
# I i x2 c2 N) R9 r* ~5 @30-902 Spacings for Non-IC Type Luminaires3 N/ I% \' |% h& L* ~9 P' L$ t# m
30-910 Wiring of Recessed Luminaires (Appendix B)/ }6 p) P! C' ~0 p; j& H
Exposed Wiring for Permanent Outdoor Lighting3 B/ \$ \. f" r! B# e- S
30-1120 Branch Circuit Loading and Protection
- ?( H! q- T" a. {+ X& n( ?Extra-Low-Voltage Lighting Systems& T* J- W- V1 o- z5 |
30-1202 Sources of Supply
; G/ y; p8 { w1 e0 Z# ~" @- G4 O) ^7 `# j O) ~2 T. D+ r2 _% t
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
! v: O/ c/ O5 hFire Alarm Systems- V* m( c6 V0 q e7 Y% Z; y6 f# k
32-100 Conductors* a! A( m$ W# [
32-102 Wiring Method4 v/ C" {$ w& ^1 v z. z S
32-104 Equipment Bonding
7 u5 k0 v% Z& b4 j4 J: @32-106 Electrical Supervision
5 r6 R( x1 g% G5 t6 |2 K32-108 Current Supply
" e6 A' v5 V5 S32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
- U% m' n( p( \% L) bFire Pumps
& V, c' m$ E0 S( F32-208 Overcurrent Protection (Appendix B)
, q7 r- F8 L1 A0 x- M w4 M' u& YN 32-206
. g: D+ y0 V4 B32-210 Overload and Overheating Protection (Appendix B)
" k) T, X- B: M32-212 Ground Fault Circuit Interrupter (Appendix B)- T3 u% _" }/ b% \8 X) Q
9 v+ f8 W& I# c1 y) B' q4 ESection 36 High-Voltage Installations7 J3 Z6 w0 c# w( V# T) e
General" E& g- q' b/ a% w* u/ {: H
36-000 Scope (Appendix B)
1 q, S2 p6 Z6 s36-006 Warning Notices/ Q7 ?4 ?; s6 Y0 i: V6 T
Wiring Methods# K* Y1 D& y7 I A. {& Q
36-102 Radii of Bends% ^* ?' o, h8 i4 a9 Z' a0 S
36-104 Shielding of thermoset insulated conductors7 }; a6 q6 p' G9 f5 w3 w' d; ?5 O
36-108 Spacing of Exposed Conductors (1) table 30, table 31
* W. |. V; ]$ e9 a5 n# G# o36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
! C2 V/ i" t! N: V# JControl and Protective Equipment
- c8 T( ^8 b7 s1 E- |5 ~36-214 Disconnecting Means8 l& W! p; t5 L- ?" K# C
Grounding and Bonding4 V& x# k. I6 M( H
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections: E8 N- s( T m6 [& C
36-302 Station Ground Electrode (Appendix B)* ?6 N$ X& C( a" o
36-304 Station Ground Resistance (Appendix B)
^8 \# t2 T' B9 k( Q c2 Q36-308 Connections to the Station Ground Electrode (Appendix B), | j, L. J, O' ~1 d9 R5 f3 R
36-310 Gang-Operated Switch Handle Grounds
6 X- g3 n3 e9 Y4 i36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
* L4 e; O( R5 p2 ]; l; C( | ~. t! D" P+ I& a: R9 B
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
" q$ y4 I$ V- l8 ^38-002 Special Terminology (Appendix B)
9 s0 J8 X9 m) A$ r3 J3 g8 I- }, X38-003 Voltage Limitations (Appendix B)+ H5 ? h9 K; `/ z
38-004 Live Parts Enclosed
+ O% `- S; K( H" r38-005 Working Clearances; E" ]2 z) _2 C! A, B
38-011 Insulation and Types of Conductors
3 a! ?6 [& z5 c3 h7 `3 b* l0 m38-012 Minimum Size of Conductors
/ M" P! T a- n8 p
9 N" I! [) Q) BSection 40 Electric Cranes and Hoists5 E7 ?: A: { M9 J/ P. L
40-008 Disconnecting Means- K* J( @5 ]5 u# j. |6 L$ |0 }# p
40-010 Main Contact Conductors' s% p) ^6 w# @+ w' s! h* V& O
; c4 Q5 B+ j# |! L* l* O: M7 b( TSection 42 Electric Welders
: ?: R" G5 {! Z# lTransformer Arc Welders
) ^& [/ ?7 M3 I3 h+ s' k. E42-006 Supply Conductors
/ y$ I1 L( L9 v6 D. L( u, N E. ?( J2 i) F1 A( }/ s2 H2 i
Section 44: Theatre Installations
5 }( ^' D3 j9 s# \General& ]8 G( t# e5 Y9 b4 v
44-104 Number of Conductors in Raceways; s$ k ~9 w A$ {) e- J$ |* s
44-106 Aisle Lights in Moving Picture Theatres
+ c; | A, N( S+ AFixed Stage Switchboards! e$ G1 g; @ y, Y X
44-210 Overcurrent Protection
' v$ o( P) d! u. DFixed Stage Equipment9 ~- O! C6 p' J. [
44-324 Receptacles in Gallery Pockets
4 ~2 Y4 O$ v/ |1 C44-326 Receptacles and Plugs- \- K& \9 ^, u3 M4 g4 e! l
7 Y$ J/ h* o0 @7 x# f# H6 @Section 46 Emergency Systems, Unit Equipment, and Exit Signs M6 i5 ~* I6 P; }& K; O
General
, i( Q% L4 Y8 B# [0 W6 R46-102 Instructions
9 ]. R+ O4 E$ n) Z* a: F1 z46-108 Method of Wiring (Appendices B and G)
( S x1 Y( d" J+ x& V ^Emergency Systems5 w$ l! u% U+ r9 Y- o3 b2 n9 |
46-202 Supply (Appendix G)2 V$ a3 a* H! o; C( V
46-204 Control
; u" x& l9 e% S/ }# J O7 A8 j1 x" g46-206 Overcurrent Protection( q" {0 A8 c' u* _* ]4 O4 L
46-210 Remote Lamps
4 w/ _/ F" G. A+ R5 ]Unit Equipment
8 p3 p U ?1 Y9 \, a46-304 Supply Connections
/ \, r$ y0 _# `% T$ @# }46-306 Remote Lamps (Appendix B)
* W7 L+ j3 s% o% bExit Signs
% a3 m- f2 P& t8 l46-400 Exit Signs (Appendix B and G)4 N# K) _! r+ Y0 g/ ~! i/ d
- _ ]0 ~% v; p# }; pSection 54 Community Antenna Distribution and Radio and Television Installations
; D/ |; \- y. b54-000 Scope
* B" o* [3 p+ t54-004 Community Antenna Distribution (Appendix B) S1 j8 Z$ J7 j, x. v% o
Community Antenna distribution
+ O! G6 E- w5 c& l/ U! b54-100 Conductors
: i$ P/ J5 \8 I" O# f5 j54-102 Voltage and Current Limitations (Appendix B)
9 H5 z9 a# ^+ Q6 b# MProtection
' |1 f1 \ i' @1 l2 W2 ^54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
7 a6 C7 K6 h3 s gGrounding
. Z* q) j5 G# C5 j5 I7 i5 ^54-300 Grounding Conductor
. [; s7 Y( A; R/ ?Conductors Within Buildings
6 T' q7 s3 F: P2 x54-400 Separation from Other Conductors c$ m7 y0 H- h! H' k) B
Equipment
2 ]. ~' a# P# T9 i* b2 q" T54-500 Community Antenna Distribution Amplifiers and Other Power Sources5 R+ s6 t. I! R2 \! j
54-502 Exposed Equipment and Terminations! t7 T/ o: r6 h
* `1 C% P% x+ _, k) J& `. qSection 56 Optical Fiber Cables! R9 X8 @6 R5 I
General- P `- C4 _& A( L2 v1 q
56-100 Special Terminology
4 E+ W! o, F( W9 W2 P3 j2 i8 L56-102 Types0 T- s- ~( p2 a: j( n7 t
Installation Methods
- ]6 V8 s4 [9 B( Q. _56-200 Nonconductive Optical Fiber Cables (Appendix B)( H" R/ p0 o8 Z0 l" ?' }
56-202 Conductive Optical Fiber Cables (Appendix B)
6 m' V6 t4 Q6 U- c56-204 Hybrid Cables; U9 L; L) l' D" g
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)# Z& H- L" `: ]
, Q6 B4 a6 p& ^0 c( h1 `Section 60 Electrical Communication Systems
6 K4 |8 O9 n8 rGeneral
7 |+ r. v r- ^0 k+ M7 ]: n W60-100 Special Terminology
* ]* J- Z. c9 r* mProtection
* d# C% j5 v* f; a60-202 Primary Protector Requirements1 j+ i) r0 v8 {- ]- E
Inside Conductors+ k( [4 Y% U! s8 f
60-308 Separation from Other Conductors
) ~# X3 A$ b" _) J, BEquipment
7 ~" v5 ^0 K V+ {4 \, A& L60-404 Exposed Equipment and Terminations
: b) J- J4 z0 N( vUnderground Circuits
4 q9 C. }) k9 H' c60-600 Direct Buried Systems. b, r1 V# T: _/ M; x
8 }8 v+ c" q8 }+ m: wSection 62 Fixed Electric Space and Surface Heating Systems& M$ V: I1 U7 h/ z# A) z: `
General% U. p9 k9 b0 L
62-102 Special Terminology
5 i# Q. Y/ j7 }# b62-108 Branch Circuits/ R( x+ r+ ~4 z+ t/ Z. B8 I* \
62-110 Installation of Fixtures/ v% ?1 ~/ Y1 u
62-114 Overcurrent Protection and Grouping (Appendix B) (5), L; L" E- Y) O$ H% E
62-116 Demand Factors for Service Conductors and Feeders (2)) l& `! T5 n9 g- z% H, o' L7 I
62-118 Temperature Control Devices! W* d. T9 }8 E2 b4 L
62-122 Installation of Series Heating Cable Sets (4)(7)
8 O W/ K. j# m% j9 a) q/ lElectric Space Heating Systems0 o6 K& n/ z7 o# @ h
62-202 Temperature Control) p3 ^6 T- F1 f3 q: d
62-206 Proximity of Other Wiring (Appendix B)
* m0 v( I4 B7 h5 ?6 Z+ f62-214 Installation of Heating Panels and Heating Panel Sets: S# J/ G- H% I+ n4 z3 `
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
" [$ ?/ y: N" j" B1 a0 q62-226 Installation of Under-Floor Covering Heating Panel Sets
2 T" l( V! n6 I1 ^. G* z+ `Electric Surface Heating Systems
7 o M u* l; V, X8 H2 g62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
]% O5 R: J" U9 `- v! ^" u
% f: p) n4 e' T' b* iSection 68 Pools, Tubs, and Spas- ^0 j2 P9 s f" L- x3 M
General
: L& R+ ?/ P" M. H* r7 h68-050 Special Terminology
5 K8 \. q- k5 n% ~$ v68-056 Underground Wiring - Table 61
& a1 I- T7 K, _6 k: i68-058 Bonding to Ground (Appendix B)% P2 e$ u' k, i2 V9 a! I3 U
68-060 Junction and Deck Boxes (Appendix B)6 \+ B2 H; Q/ K4 |) y2 j
68-064 Receptacles
7 S( l% r+ `, Q+ c8 M8 y. l% X6 ^0 }, ~68-066 Luminaires and Lighting Equipment
2 E% p9 H, a+ G: a5 U: _5 h68-068 Ground Fault Circuit Interrupters (Appendix B)/ l. C' N; W1 W% ?4 ~7 z( M* {
7 M9 {0 |, o* @, r: {! I6 d0 C9 d* wSection 70 — Electrical requirements for factory-built relocatable structures and
; G4 B. E( f0 inon-relocatable structures8 y+ B' V( {- |* C7 }! N/ }2 o
70-130 Tests (see Appendix B)7 C% R o( T3 U) k9 h N1 a! W) ?
X2 O' T/ s1 u9 B) ^) [& ~3 q, USection 76 Temporary Wiring (Appendix G)
" s; h# ^5 @; D5 S0 c% w76-004 Grounding" H& B+ Q: e' u; r
76-008 Service Entrance Equipment5 m9 K. n$ c0 A; ]
N 76-006
) q. j I( K) a! a3 D76-014 Branch Circuits9 v& z7 E0 z/ _2 d" I! N- J7 K
N 76-012
% G8 N) W4 J% l0 G S7 D7 v' k
! [# M# C$ K mSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours$ ]5 Z w/ j( d; O* H
Marinas and Yacht Clubs
# r+ U, S& h6 i! R% o78-052 Receptacles
( L, U0 Y9 b6 @0 D6 M) V; P# @78-056 Feeders and Services
6 w9 E$ n; M7 l! VMarine Wharves, Structures, and Fishing Harbours/ M) p X" k2 P C9 W* |3 M& c% R
78-106 Grounding and Bonding
& N' E6 f) [7 [$ \& f y% V' u/ a: pTables: a9 S4 u) q3 X; p' t& p. t6 {
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,655 ?; h6 n' j- M2 \' `* C1 b
6 E0 h% c) E$ \; d7 ~Diagrams: 1, 2, 74 v, r$ e$ L* p$ N! m: r |' S
8 m) U- T& H, s6 h* P) z& l3 U, mAppendix B5 y* U }/ Q* W! K
P352: Ground fault circuit interrupter- 6mA
' x/ |# t2 L1 _; m( I/ dP354: 2-126 FT1, FT4/ P) r) K* C1 e2 \
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)+ O8 F+ Z3 ?9 ]% l" n. e
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)" h/ N0 j$ f1 H/ g) H$ g
P370: 12-1012, 1118, 1214 Example:: Y6 R$ m1 a! w% y3 f: I8 G4 O
P371: 12-1108
) P+ p1 a) f( [, u/ wP381: 18-108(1)(b), 18-158(1)(b)
) ?# g' h% |, QP386: 24-206
* y: v7 t `. S6 k3 c% FP389: 26-256
7 R( P9 R2 \( I# zP391-P393: Section 28, Example to determine Motor Conductors and Protection
9 f+ {) q" R" U: h* _7 }1 l3 ~; w# e# `3 c. ~1 i4 j! V
Appendix D7 r ?/ R, H) z! f2 J5 P* S, L* M; G
Table D1, D2, D3, D4, D5, D6, D7, D16 |
|