 鲜花( 0)  鸡蛋( 0)
|
Canadian Electrical Code Review Guide% G- j& }( Y$ J' j
For the Exam of Electrician For Red Seal License
( {0 j% l0 z! n
5 e# G- }* v6 D0 tLesson One+ @, S. P/ l' }$ [
Section 0 DEFINITIONS
' A) N2 K+ G6 }2 _5 Y2 S2 bThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
, G2 m$ ~0 W+ c' ^Accessible as applied to wiring methods8 B; G) G, Q" }6 n, d3 l
Alive or live3 a+ m* v% F0 | u3 f7 U
Aluminum-sheathed cable4 R5 u( s; b( Q
Ampacity
6 r8 j" {0 {5 {& @$ K/ VAuthorized person- _2 j1 e% l( x8 {# Z: G3 R7 ~6 Z
Auxiliary gutter2 C. w$ j- B' k( F7 b& T. G3 e
AWG R4 f. b! ~, }4 I
Bonding+ x% k' A, \8 N' X
Cable tray3 L+ N0 e+ a ]# x7 a) _$ Q5 V
Cellular floor
: b- `, ` H9 `2 HBranch circuit
! W5 x( } d, _2 A9 r; aBus, d9 A' c, p7 S: g& s! b
Busway2 _) n; N: [/ @, S2 F: f5 B1 {
Communication circuit: a" i9 i" O/ z. N: v' O
Extra-low-voltage power circuit( M6 a$ e" c+ T" |
Low-energy power circuit& g, a" u! s8 f$ @: S6 w/ p, v
Multi-wire branch circuit
) r( t+ ^) j# v3 s' U' Q# d2 A6 dRemote control circuit" j: V& G6 a# L. z& ?, f" c7 ?" k
Signal circuit" _9 I" R( w0 j/ b7 t$ I, k/ J
Circuit breaker
5 a) l% \ I0 Q" B2 y) hInstantaneous-trip circuit breaker+ i- `! Z6 f/ ]
Conductor
% ~5 t! p! f8 |: Y* B+ JConduit& I6 u7 X+ s/ Y) X3 y( z0 |
Flexible metal conduit, N6 O6 |$ t o& l2 U. R
Liquid-tight flexible conduit! i s: F* F/ J
Rigid conduit
) ~" ^3 z6 m+ B, Q5 L6 a( J, s Rigid metal conduit' D% |$ g+ q5 d, r
Rigid nonmetallic conduit) F% \( L {) Z. ~" j
Rigid PVC conduit; _# H, y" U5 ^) C; Q5 g
Connector! k, T. w+ G9 a$ Y
Box connector
/ ]/ B- g, d. v% l$ H, M* b Wire connector; z: H- I4 c; i% d& `- `) w- O( b
Controller
~5 W( S) ]. {& Y* o- y3 Y- PDisconnecting means
4 P P+ f" o6 ?( P- ?5 gDust-tight. C$ d" U5 g' {
Dwelling unit
9 d* J( L/ `" nElectrical contractor2 N8 ~4 j4 }; e" p
Electrical metallic tubing# U4 x8 ]9 V( f* v& O1 t
Electrical nonmetallic tubing) @& A- j+ R/ }
Emergency lighting0 K% h1 S! Q1 C
Explosion-proof. J x! v. `- y( b
Extra-low-voltage power circuit
$ a) T; _/ {, z# `5 gFeeder
$ x5 x& R6 A( `+ W3 @! PFlexible metal conduit% K" x2 y4 i( S! C& u
Ground3 D4 Z" I: }+ X; c, P2 p9 s
Ground fault circuit interrupter+ I2 F6 h$ f/ |" w8 o$ x
Grounded3 ~# a3 m6 n& @4 T- }8 a0 d5 g8 u8 [
Grounding. j# v' T, O [, q3 v* ~% U6 j
Grounding conductor& r T" _5 ]3 S% B
Grounding electrode
$ W% k" \1 B. |6 E( D. t8 B% @' W) gGuarded
% d+ C6 w6 d# R" i. r( Y, e! LHoistway8 q6 s% u- t# T6 t
Identified
) o A2 S- _0 A/ |6 F) KLampholder
4 `, s! q6 F7 }: f; y6 bLow-voltage protection4 k2 |# s1 B. v! r- ^# D
Low-voltage release& i+ X0 [$ E( R! S
Neutral; V9 j& p" C. ?
Noncombustible construction
/ x, n" I" J# {* wOutlet4 F& c4 i( e) N2 k
Outline lighting/ Y# N% M0 L+ M+ l& n1 u
Over current device
- U, N! t/ ?- Y7 ]; N% o K4 OOverload device
, D9 r6 S4 i- m) @Panel board
- l. X2 Z ?' [: lPanelboard, enclosed
& L8 L. D* g: MPermanently connected equipment3 }, a& u; Z+ b1 _/ g
Permit
; v( ~/ R7 ^# nPlenum: m6 W( ~0 K: [2 G& r
Portable as applied to electrical equipment9 C- w: c7 Z6 R4 k+ @) @
Portable ground fault circuit interrupter
3 l! _: A+ A) P! t( pPower supply cord9 z2 b2 Z: {6 X) _4 x1 u; j" S
Raceway
; ~; g- L5 C7 N) pReceptacle+ S7 p- x8 V5 }
Duplex receptacle. [& m& K6 w8 f; C+ [, J
Single receptacle
1 ?2 O8 k- ]. V Split receptacle
. W! z& A) Q, i, k# n$ SService, consumer‘s+ b+ I# R/ a' f% b
Service, supply+ |( A+ | {% D. p* o/ [9 j- s
Service box: O9 P" i' k0 Z$ Y
Service room
; e n/ V+ l4 y L/ i) p5 ySingle-dwelling5 c( F, r8 _* E I
Slow-burning as applied to conductor insulation
- o5 Z* _/ \+ g0 ]: DSplitter
( H3 l# R# Y5 E6 ^3 |Starter
7 W. z: p/ C( r8 Y3 ESwitch
( n( t/ h; [# C1 W General-use switch
+ c1 y$ F% @; B: i: H$ R Indicating switch
2 v! F6 u% V; Z, s Isolating switch! U# \9 u! P/ g( j7 g: U4 r& }$ Z
Motor-circuit switch
! `( L) k& v; q' TSystem
' k" f- C5 t* W" t, j1 s Communication system) L7 ?# r; S2 {) c3 y$ M
Community antenna distribution system(CATV)5 m Z* G' l# a- }. O
Grounding system3 j3 ~7 z) J) J. @
Underfloor raceway$ C! d6 Z4 o! F# w1 s! W
Voltage:" Y8 L L- j3 _4 n, B
Extra-low voltage
- t& {( t3 W, ^2 X! f# j High voltage
- O. g1 x3 ^( W Low voltage0 J$ q: f2 `2 f! V
Voltage of a circuit
: I8 d4 U6 x$ UVoltage-to-ground5 M4 Y* @/ d$ q3 ]6 R
Wireway
0 \5 _/ o+ L9 d8 ]3 I1 @
1 Y- \7 n6 @8 |0 T. w; @$ L% qSection 2 GENERAL RULES
" p! Z5 Y: Y0 oAdministrative
+ {7 _; Y( K: V% _2-018 Reconnection
# @, [( _! s4 E7 L; P9 k, h+ k, S2-030 Deviation or Postponement
6 H3 Q6 D/ a$ V; M5 \Technical General
# b% o Z0 B" x% u' w2-106 Circuit Voltage-to-Ground – Dwelling units
! W# r' U8 R% K/ _4 S7 Z8 N& `* K2-114 Soldering Fluxes- ?! {, C/ j* D: t, W' k
2-116 AWG Sizes of conductors* N; s3 f! _% y/ Y
2-124 Fire spread (see Appendices B and G)
; Z7 Z h3 c, n/ N8 X1 P; ~2 N2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
) N! T: o4 u1 w" x* f) Z! FProtection of Persons and Property6 u% M2 S) Y) N5 V
2-202 Guarding of Bare Live Parts
0 }9 N0 {* o- z' JMaintenance and Operation! ~* b! ^! Z1 N; n
2-304 Disconnection
* r1 [& B- X5 o. Z2-306 Maintenance of Live Equipment' s1 r [4 b) r6 U, o' ]6 W
N 2-306 Shock and flash protection (see Appendix B)
. H. B- z' m% c9 y+ @2-308 Working Space About Electrical Equipment: Table-56- x; O, B4 w4 o* R, x1 p
2-310 Entrance to, and Exit from, Working Space3 P7 H7 u5 c$ o& f
2-320 Drainage
; G, O; K5 F/ o7 E( b2-322 Electrical Equipment near combustible Gas Meters and other Devices& G2 r8 n z+ N8 _1 \2 ^
Enclosures
& u' u9 Y8 q2 E2 P3 `2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) 0 Q: r& `# u, i' S$ `1 x$ J
2-404 Marking of Motors: DP, WP, TE
4 @1 I" |3 n% D3 t1 S% { H 3 J7 Q/ t: g n& t! j5 Q
Section 4 Conductors1 S, `: H, L1 c# `* ^0 h4 ~/ \
4-000 Scope0 H" A" @5 W/ n. H+ F2 c
4-002 Size of Conductors: 14#, 12#/ j* z c1 N' r2 m6 Y* s
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
5 i, \4 i& b8 d$ K4-006 Insulated Conductors: Table 199 O5 ~( }9 ~ j* L" F
4-010 Uses of Flexible Cord: Table 11
1 g4 h3 u4 x' [; {; p3 e4-012 Sizes of Flexible Cord3 G5 z5 L% g0 |4 l) ]1 N5 E# D
4-014 Ampacity of Flexible Cords: Table 12! b$ u% E9 R5 [! j
4-018 Equipment Wire
" b; _% w: x4 d; I4-020 Insulation of Neutral Conductors
0 ] p$ N7 Q! m4-022 Size of Neutral conductor
8 N/ U# ~3 p# q6 D' t' ?6 F4-024 Common Neutral Conductor
( v1 v0 Y6 _' U4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
, l' R2 y( y1 t* G4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
5 X/ `( G6 @) Y B4-032 Identification of Type MI Neutral Conductors
8 c4 c3 }0 Y& H$ Q* ^4-034 Use of Identified Conductors. l& n4 G' ?3 V# L* \
4-036 Colour of Conductors: Phase A, B, C, …$ ]8 d9 M8 F1 Z. e- a
0 b, u5 Y/ ^: V# Q% t( M1 oSection 6 Services and Service Equipment
0 V; O1 z1 n; L8 t6 GGeneral
& l- [! i! D6 E |6-102 Number of Supply Services Permitted
. x$ v! f2 m) \- ~ z" G8 g6-104 Number of Consumer’s Services Permitted in or on a Building+ ] f9 s( q, M5 v. ? m$ _5 \
6-108 Supply Service from an Electric Railway System
6 X0 U3 `. c( C/ y: e6-110 Three-wire Consumer’s Services
2 G& H5 i# N+ |3 q" e4 n3 E6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors9 O( s) S; h8 w: p+ K
6-114 Methods of terminating conductors at consumer’s service1 q5 e& V& M/ d$ o, |7 i: Y
6-116 Consumer’s Service Head Location' K4 K7 H+ q8 S$ [3 a7 l7 u
Control and Protective Equipment
# V) W: i! w O" m5 O6-200 Service Equipment
D& ~ l; W! g R1 |; o3 Z" R- U6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)7 E& _' P& y' V9 V
6-208 Consumer’s Service Conductors Location
% b7 w( i" ~4 Y! F& a8 M1 f) \: X- n, d6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches: ^! h( ?6 H' e# |8 |; c1 \
6-212 Wiring Space in Enclosures/ f! N2 C/ ], r6 `: k* F: l
6-214 Marking of Service Boxes
, K+ U4 j) V8 DWiring Methods
3 y! ~' o3 ^6 c- N n6-300 Underground Consumer’s Services9 p6 D. f5 P6 {# l
6-302 Overhead Consumer’s Service Conductors0 L* H' X5 W! S# o- i3 ^& N
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable1 q% q O, k! `' T2 e! B
6-306 Consumer’s Service Raceways+ h; ~' C" U% z5 l5 u9 r* O
6-308 Use of Bare Neutral in Consumer’s Service
/ B, Y; k7 V$ U( F, v# z6-310 Use of Joints in Consumer’s Service Neutral Conductors
$ ~4 L& A0 r0 Z% c9 p! e2 e6-312 Condensation in Consumer’s Service Raceway
( j, w7 U1 Q. h3 @* H1 @0 t+ NMetering Equipment+ O4 [& ^8 G# ~0 w' j# l+ r
6-400 Metering Equipment
9 p& ?( e, z+ a" K& {/ z* v6-402 Method of Installing Meter Loops0 q) \; C3 v/ w9 S; |& R3 n
6-404 Enclosures for Instrument Transformers
/ A; f# T8 S' D( G/ x8 x6-408 Location of Meters/ z3 X8 f, y/ ~+ O/ o6 R8 B+ ^4 c
3 m' ?# c7 F% \5 i6 gSection 8 Circuit Loading and Demand Factors; W& Z) ]& L" k' Q% L
General7 W% }( [* g/ n7 V
8-100 Current Calculations$ M1 F: h, A" G+ i9 z
8-102 Voltage Drop ( see Appendix D)
+ p! E6 V+ O- z3 `7 U, q* w8-104 Maximum Circuit Loading# T- @. s6 ?/ N" g: U |
8-108 Number of Branch Circuit Positions
1 o+ l2 {! h: d. J9 z2 p# {1 {8-110 Determination of Areas. ]. V" M$ M; S1 t; F! \; ^7 s
Services and Feeders
0 T7 S3 F4 M: u8-200 Single Dwellings (see Appendix B)) [; @ s, f. c. w$ G
8-202 Apartment and Similar Buildings, t+ d0 v9 B4 I; K' @9 v
8-204 Schools% m2 {% E/ N4 ` m1 T
8-206 Hospitals$ q0 W) V; C0 {5 ~) m1 L1 {
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy6 G2 _3 B4 Y3 Q0 N% @( ^
8-210 Other Types of Occupancy (Table 14)9 w0 ?0 ?8 W9 ` z" a$ T
8-212 Special Lighting Circuits9 X0 G9 E C6 v5 T
Branch Circuits
' A0 E- G9 P# G6 s; u8-300 Branch Circuits Supplying Electric Ranges' C# `% H$ n k2 I, Q
8-302 Connected Loads
) s& Y1 R; ?7 }9 G, C1 p( A2 b! ~( Y, z+ P7 D5 J* n8 ?: G
Section 10 Grounding and Bonding
O% o2 M' r' K( q) V1 f7 {- k* ]) RScope and Object
( ~1 G) P7 K7 z4 k# _10-002 Object
+ i: B, N7 \2 {& d" k! wSystem and Circuit Grounding- ~; L" _+ n* S; ]5 { k
10-102 Two-Wire Direct-Current Systems7 n7 a# S. N* h' A0 s) U
10-104 Three-Wire Direct-Current Systems
7 b9 Q m$ {. [6 g10-106 Alternating-Current Systems
1 R) f# o$ o& f7 b10-110 Electric Crane Circuits
3 y X& Q8 A" E' |5 i; G5 w" E( g10-114 Circuits of Less Than 50 V
" K# G9 C/ i9 g, F% e10-116 Instrument Transformer Circuits
3 P& {2 ?, a2 V; n% X9 j+ _3 HGrounding Connections for Systems and Circuits) z$ C; w8 P* O
10-200 Current Over Grounding and Bonding Conductors
( ~' }/ e" F5 }- I- z10-204 Grounding Connections for Alternating-Current Systems
: B1 M" i8 o6 p3 q; n10-206 Grounding Connections for Isolated Systems
4 v! C" @6 m R) U10-210 Conductor to be Grounded
0 d- f& x7 k0 G! j+ J, GConductor Enclosure Bonding, N* i& b1 H0 Y
10-302 Other Conductor Enclosures; Y: C F; k$ R1 Y' O* p A& u
N 10-304
7 |* q5 F1 P3 L( kEquipment Bonding- j' e, ~6 Y5 T
10-400 Fixed Equipment, General
; Y+ G9 b; Y, E( U$ M) a, ?10-402 Fixed Equipment, Specific (3), (4)
) }' b5 p$ W4 Y1 d10-404 In Nonmetallic Wiring Systems; t% M) ?4 H1 R8 u
10-406 Non-electrical Equipment
3 M1 Y5 d, x& M0 v10-408 Portable Equipment (4)(b)
: `2 P' V4 L/ M/ `10-410 Instrument Transformer Cases2 z! X- [8 A- `$ \3 t4 r" l: N
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less4 t+ S! v3 B. I1 G2 o$ L, h
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
0 @4 e0 k( `+ ^6 J& P/ S! DMethods of Grounding! H2 N% T1 c! h, G; T$ X2 K
10-500 Effective grounding (see Appendix B)
- w7 R* ]2 V0 m( G. M1 F10-502 Common grounding conductors% K. \* V6 u+ H, h9 ]# R
10-504 Common grounding electrodes: M& I) }( J- H3 d
Bonding Methods
( [1 n% X9 [4 s5 I5 X4 z( e2 n1 |" M10-600 Clean Surfaces1 y2 o/ w! j! T+ J) d
10-604 Bonding at Service Equipment4 Z( T. d: D1 y, ` t* _! G
10-606 Means of Assuring Continuity at Service Equipment1 c o$ t2 @8 l. W; U
10-610 Bonding at Other Than Service Equipment
' Y6 Z$ _; P" @& ~) f. z/ b10-612 Loosely Jointed Metal Raceways* ?; Z5 }: z. j. d! s4 [
10-614 Bonding Jumpers Table 412 I( H/ P% P+ L, [3 M6 ]
Grounding Electrodes1 P9 p, t; g( h% x9 z, ]
10-700 Grounding Electrodes
- b6 i- q7 u* V4 w5 Z10-702 Artificial Grounding Electrodes
+ f( j2 p$ [) r) hN 10-700 & 10-702$ G3 c5 P) e* l, l; L" T5 j% I. a
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)6 P$ D) H2 H+ Z
N 10-702, `6 m' S7 ^) S9 Q7 \+ w& f+ x
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding/ A0 R! _* J. g' j
N 10-702% j D+ I# D. q" U9 ?4 `
10-710 Use of Lightning Rods (Appendices B and G)' q: H# C8 }* X! [, O# R
N 10-706( j% Z' i. A8 N6 i0 \& [, u
Grounding and Bonding Conductors
: Y' R' ^. {9 q d; C9 t) h/ ~; p10-800 Continuity of Grounding and Bonding Conductors
1 S) i7 R& F* Z a- ?: A10-802 Material for System Grounding Conductors: p4 Q% W, G0 ^4 o' B/ w
10-804 Material for Bonding Conductors
3 d8 T* f9 s9 y7 Y0 u10-806 Installation of System Grounding Conductors
" J; x7 \) z" O8 y+ e8 S10-808 Installation of Equipment Bonding Conductors* _" c$ v# ?+ z. _ E0 ?) a4 z: Z
10-810 Grounding Conductor Size for DC Circuits: H+ j R; m# _( u! ~
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
! E4 N1 p( r6 s; ]: J10-814 Bonding Conductor Size (Appendix B)
8 `7 `" e7 x5 |10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment( H l: H& T1 l% E; e! f# n% [
10-818 Bonding Conductor for Outline Lighting! a$ ~5 |- N/ x& B4 e9 i
10-820 Bonding Conductor Size for Instrument Transformers
8 X2 x, O. g& L& L* z4 GGrounding and Bonding Conductor Connections
6 q7 |/ q2 [3 T: f8 d10-902 Grounding Conduct Connection to Water Pipe Electrodes! C) y+ L! X! S1 m6 H$ p. `& _/ L
10-906 Bonding conductor connection to circuits and equipment, S- _9 ]5 @* V
10-908 Grounding Conductor Connection to Electrodes
# ~( G# G3 q) h6 n& @' ]Lightning Arresters
9 _ V% r5 _3 H+ G4 x10-1000 Lightning Arresters on Secondary Services – 750V or Less( e( Z" |: X) \4 m
3 T9 [9 ^3 K) v* T& D1 S( SSection 12 – Wiring Methods
% D, J% A% `2 |3 i# k# A/ @Scope
* q. a/ T- y9 U: P% p12-000 Scope (Appendix B)
$ M: z/ C1 _8 r$ ?5 {6 q- v; Q; MGeneral Requirement3 W3 c; r0 V Y) a" n3 G
12-010 Wiring in Ducts and Plenum Chambers8 }1 |) B/ I/ `% a; b/ v @
12-012 Underground Installations (Appendix B)* \8 |7 x/ j; y$ n' H G
12-016 Lightning Rod Conductors
; w& S* a8 R0 Q8 Q: ^+ q% gConductors - General. S Q) X" E5 O, a7 A
12-100 Types of Conductors (Appendix B) Table 19
% ?* @ W$ a; |( u8 D12-102 Thermoplastic-Insulated Conductors
1 Z+ U2 U( U c3 l/ A12-104 Flame Tested Coverings- \4 R$ {+ K4 D- X4 X: ~: Q; W
12-106 Multi- and Single- Conductor Cables
' `% s9 X$ x( @8 A5 b' a7 c$ d i12-108 Conductors in Parallel (Appendix B)* |. ]" ]3 }* c: x9 o; X
12-112 Conductor Joints and Splices$ n2 A" t" Q0 @3 }, T
12-114 Ends of insulated conductors4 x; g- N; ~( z+ B& L) F
12-116 Termination of Conductors (Appendix B)
6 o! n) q0 Z! n. `12-118 Termination and Splicing of Aluminum Conductors* {) w- h% G* p f, N
12-120 Supporting of Conductors - Table 21& T" a2 x' |- t2 b( R
Open Wiring
" e3 j) N) G4 u+ M$ B12-204 Spacing of Conductors
( N, E# t- a% ]) A5 I6 B% G# }12-206 Conductor Supports+ t" Y' q i+ B/ D6 I0 V) h- N( @
12-208 Conductors on Flat Surfaces
9 }& f: x \4 y12-212 Protection from Mechanical Injury
1 t6 g2 `6 }) I: eExposed Wiring on Exteriors of buildings and between Buildings on the same Premises- e% b5 J* G d! |2 O2 {8 b
12-308 Minimum Size of Overhead Conductors( f- m8 T J% a/ [- _* K
12-318 Use of Neutral Supported Cables
; N; ]/ I/ T& ^Nonmetallic Sheathed Cable4 Z8 e w, c. C" S, e
12-502 Maximum Voltage
) z, {! v& I9 s2 t+ e12-510 Running of cable between Boxes and Fittings (Appendix G)
( T4 A; Z, A1 p12-514 Protection on joists and rafters
+ w2 Z0 D I* J. f: J9 T12-516 Protection for Cable in Concealed Installations (Appendix G)
1 f' `! z$ n; J# F; e+ j& C( R* R12-522 Where Outlet Boxes Are Not Required$ v( F) p) k/ T$ t6 n
Armoured Cable
, t( P a% R* U) J- x+ e) h12-602 Use (Appendix B)
, Z8 Q# n7 P& T8 s5 R' Y, @12-604 Protection for Armoured Cables in Lanes8 ~+ u; e) S8 E7 N) N/ J- n4 I
12-606 Use of Thermoplastic Covered Armoured Cable
b! G% H" l- V2 p. A1 @1 \: ]. b12-608 Continuity of Armoured Cable. H. M6 A. O8 A! y, C
12-610 Terminating Armoured Cable8 W$ P" w/ \5 S, d& d" a
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems- Y; P1 }3 D. l6 u% y
12-614 Radii of Bends in Armoured Cables& V. l1 i( u/ v5 h6 H
12-616 Concealed Armoured Cable Installation
, A; x. \0 k6 b% U$ c, \12-618 Running of Cable between Boxes, Etc
! Z. v# P8 r) V: ]. VMineral-Insulated and Aluminum-Sheathed Cable
# Y6 O% \( g: K! b, b1 x12-702 Use
, X0 c& L/ N: _; J3 z, z12-704 Use When Embedded% o" ]/ D! |7 [; s4 ?
12-706 Method of Supporting
0 C4 O. M; c1 q6 E( h2 @3 \* a- K/ K12-708 Direct Earth Burial
2 k; P( T" H- {1 j. p9 a) U12-710 Mechanical Protection( T' j1 e/ Z4 `7 E& b
12-712 Radii of Bends% @: Y4 r2 g3 A# [
12-714 Termination of Mineral-Insulated Cable (Appendix B)
( ^7 v9 I, ` `' ^( T12-716 Connection to Other Forms of Wiring, l. E% B: e9 d* v& F+ Y
Flat Conductor Cable Type FCC& s/ B6 x4 B. A1 c9 k4 j& X, S
12-804 Use Permitted4 I s) a$ V2 ^/ L( N9 ~
12-806 Use Prohibited; T G0 L, P2 m3 U3 w
12-818 Anchoring# I( R+ y! _* L8 E0 | t. T
12-820 Crossings
7 n: H: m f# i* `Raceways - General; f. ]; A! W( |
12-904 Conductors in Raceways& ]* z! h) n" _& d, v% }
12-906 Protection of Conductors at Ends of Raceways" Q' J/ x# f) R; E# @& t, A5 U
12-908 Inserting Conductors in Raceways
; n/ U% L+ S% G& y- Z& z12-910 Joints or Splices Within Raceways* C5 N8 {! O$ S% b
12-912 Stranding of Conductors+ N: o8 |" e& O4 d/ ?
12-914 Electrical Continuity of Raceways
9 @+ H& |: C% E& E12-922 Radii of Bends in Raceways6 S1 r7 u3 a) m2 p- s
N 12-922 Radii of Bends in Raceways Table 7
/ z5 B2 m9 R2 d- e12-932 Protection for Raceways in Lanes0 B; g/ Y5 ~( v/ i
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
, Q9 O- b# \+ s12-938 Capping of Unused Raceways X8 P: X# N5 N9 ^9 {. ~
12-940 Maximum Number of Bends in Raceways8 Z8 S4 M. l9 q4 K9 V4 q
Rigid and Flexible Metal Conduit3 @$ [. Q, g6 \ ^4 }4 n9 T
12-1002 Use
7 N. U7 E$ ]; R7 t12-1004 Minimum Size of Conduits
4 [ B+ | q0 ^/ W5 {$ W E+ [1 G8 i12-1006 Conduit Threads (Appendix B)
% {7 N a# c$ Z6 a. u12-1008 Thread Engagement
) ^( O% c2 O, X: b0 M. b12-1010 Maximum Spacing of Conduit Supports. w; v# y8 Y2 D: J3 T
12-1012 Expansion and Contraction of Conduits (Appendix B)
8 Y. p' R3 s5 T4 C5 w! {12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
9 p$ l' g' E& L e4 ?+ mRigid PVC Conduit and Rigid HFT Conduit
& j4 T2 ]) k/ J+ w; ` x; z9 g$ X12-1100 Use
# o O' Y& `1 x1 \$ U- k12-1102 Restrictions on Use
+ C# t7 w: {8 R, U/ D' p12-1104 Temperature Limitations (Appendix B)0 @; Y* m G" T, y6 |- X
12-1108 Field Bends (Appendix B), (2)
& K5 s: F9 @% d) c12-1110 Support of Luminaires X* f. s7 a t1 `' Q
12-1112 Fittings- N+ `3 l1 Z y9 \: ~- L
12-1114 Maximum Spacing of Conduit Supports5 w! C& [0 [( J5 x4 S7 Y: E
12-1116 Support of Equipment B+ w' K2 p. B# S4 O, v* }1 ?
12-1118 Expansion Joints (Appendix B example). d% O4 a7 U5 g/ o' \+ d; E
Rigid RTRC Conduit; O' \; h) A. N8 D# G7 N
12-1210 Temperature Limitations8 f. i! |$ Y- W' n) d8 j
12-1214 Expansion Joints (Appendix B)
- j: \3 z4 G' ^8 S$ U; ULiquid-Tight Flexible Conduit
- h' C& L( A, c' M12-1302 Use of Liquid-Tight Flexible Conduit! g H- J6 @: s2 b7 T; J) n; J! i
12-1304 Maximum Number of Conductors
- Q' _- q( A0 x1 b- K12-1306 Provisions for Bonding
6 j% }! n: _- @( J8 H& b6 f: WElectrical Metallic Tubing4 s7 B% q" ^. b3 r% Y
12-1402 Use
8 c- G- D5 m" W' d$ ^8 W12-1404 Supports, Y1 M/ v( l1 j! q0 R' U
12-1406 Minimum Tubing Size
; w5 a6 a: E! v( k a9 j$ Y12-1408 Maximum Number of Conductors7 D* Z& H4 ~; [9 V& g& q, F# @9 ]
12-1410 Connections and Couplings. K% s3 C) x+ ]8 ~
12-1412 Radii of Bends in Tubing
% O- o- j# J# P" b5 uN Table 7
& N) ^; y/ K3 v( U7 K8 @6 VElectrical Nonmetallic Tubing
4 `1 d9 Z2 {0 |, m) n3 ?12-1516 Provision for Bonding Continuity
& U5 H& V3 s: O9 \N 12-15146 i B7 p9 i8 D$ z" i! ]) W
Surface Raceways. M3 j7 C. P r% X. Y. V
12-1602 Use of Surface Raceway (Appendix B)
$ N% Y# V9 j- j Y& S% D12-1604 Temperature Limitations
+ _( ^8 c+ V* M3 p" g8 a12-1606 Conductors in Surface Raceways (Appendix B)- N- N+ X$ v& ~1 e( |% L' J: U
12-1608 Maximum Voltage
8 d, ~* ^4 S; ~9 {( n2 ~( [12-1610 Joints and splices
$ \5 Y6 ?, l/ P) [1 q8 Z+ ]Underfloor Raceways' r2 J1 G, r4 u" ?3 I( j
12-1712 Discontinued Outlets in Underfloor Raceways2 U% U p8 L( d1 w% x [. ^
Cellular Floors$ S) |3 H2 Z9 G- B- V R
12-1804 Maximum Conductor Size in Cellular Floor6 d7 y/ M# D0 @$ ^+ U' w1 E
12-1820 Cellular floor discontinued outlets
2 E: Y e6 I0 q; L4 }" WAuxiliary Gutters
+ u7 y# _# _0 z8 _$ Q# R12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces: H2 U/ R- y% `3 b2 y( U2 M; }4 H
12-1902 Auxiliary Gutter Supports
, m) J0 X, d# F! Y12-1904 Auxiliary Gutter Cross-Sectional Area2 N) T, r" X( J
Busways and Splitters
$ K q9 S+ x$ E" \! W12-2004 AC Circuits in Busways and Splitters! W/ y/ ~* c) `
12-2006 Busway and Splitter Supports t; f! f) B2 a' {3 X' o6 p
12-2008 Method of Installation of Busways
- Q/ U* y/ N7 E% A% H2 e( z12-2012 Reduction in Size of Busways
7 y" H1 t, f" B. p6 W6 P12-2014 Length of Busways Used as Branch Circuits
5 H" Z% m/ q$ V9 w5 k/ t12-2018 Taps in Splitters& u: _ T% j3 H* W% R6 ^8 H; z
Wireways
7 F; F( s- g0 S! O3 r1 M2 F Z. q( I12-2104 Conductors in Wireways( n- w, T6 t# H$ i' ^9 l8 Q
12-2106 Taps and Splices in Wireways% F. x, b! C+ B$ ?5 J
Cable Trays
0 K5 l, y6 n. I0 `! p12-2200 Method of Installation (Appendix B)( x+ Z8 x) j. h Q' n
12-2204 Joints and Splices Within Cable Trays
! V1 _; R$ Y& @8 k8 j* k12-2208 Provisions for Bonding$ P- s" o% q) I, d9 m
12-2210 Ampacities of Conductors in Cable Trays
7 [( ~4 [4 W: }Installations of Boxes, Cabinets, Outlets, and Terminal Fittings* K% v4 [+ S. G( L
12-3000 Maximum Number of Outlets Per Circuit
9 X2 K1 N3 {; y9 {3 M' YN 8-3041 Z; y g1 {6 \
12-3002 Outlet Boxes (Appendix B)) h( X" d) Y; H, U5 c/ |: p# y0 I2 P. U
N 12-3000
: a/ M- Z K9 k9 R8 a+ C12-3004 Outlet Box Covers4 k5 G+ {4 D( Z" v& R+ L
N 12-3002) j4 [9 l S$ l! `4 Q
12-3010 Boxes in Concrete Construction
5 h& q' R( D/ x5 T$ z% r; o$ EN 12-30087 m: z6 O. ]3 j3 e( ?
12-3012 Outlet Box Supports6 Q7 ~# v6 ?# |4 n! N
N 12-3010
6 N A" n& k& ~12-3016 Accessibility of Junction Boxes
- a# D* ]: r% s K: `5 VN 12-3014* R1 l. |+ J' B$ |
12-3018 Flush Boxes, cabinets, and Fittings
4 D! V; [2 ]3 {0 aN 12-3016$ h8 k* q4 P) S/ Q& r: N" w+ c
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) # K& G- W U" g7 S* q. k" t
N 12-3022
8 f2 H* `% d$ ]/ v- `* Q12-3036 Maximum Number of conductors in a Box - Table 232 Y1 A7 k4 [) Z6 F5 J* d
N 12-3034! j) W4 ?5 \3 j0 G
12-3038 Pull Box or Junction box Sizes1 W6 z5 u" B6 b9 t5 ^5 z" H
N 12-3036$ `" s, @2 U% u7 |8 Y! W
# c( Q* V: Y% W# _( ?0 V' USection 14 Protection and Control& U" A4 _5 w( Y( |9 w$ A# {
General Requirement
0 @8 p6 k7 P% \9 y0 ^3 v5 \14-010 Protective and Control Devices Required
1 l7 h# j# f+ U# s. R8 C14-016 Connection of Devices2 Q0 r+ T( v5 G# d. g
Protective Devices – General
4 I2 C$ k" G% T! P2 {- R3 v+ _ 14-100 Overcurrent Devices Required6 a% a, }, w# z
14-102 Ground Fault Protection (Appendix B)/ g. H5 W. W. `( ^2 u0 v
14-104 Rating of Overcurrent Devices (Appendix B) Table 13: c0 `& F4 l3 t. _+ S" A4 E- f
14-112 Overcurrent Devices in Parallel
0 q- e( X( B- F: pFuses
$ e1 F: t* O% \; W* [" f5 T14-200 Time-Delay and Low-Melting Point Fuses0 J1 T8 X: E/ N3 B1 A, O
14-202 Use of Plug Fuses
1 m5 p: ]1 w" H5 a% `7 ? D14-208 Rating of Fuses
5 k) C( X* i& j: G- C14-212 Use of Fuses (Appendix B)8 [7 o L. r; M/ j
Circuit Breakers* g& B# c$ R2 h; j( z5 L
14-300 Circuit Breakers, General
4 m- y" t8 G# o. [! g; E14-306 Tripping Elements for Circuit Breakers
9 a9 H) F3 A0 J. U. U14-308 Battery Control Power for Circuit Breakers" b; j* ^3 x7 n: u9 W& [
Control Devices - General
9 }3 W5 l7 Q! i4 P# x6 ^3 W14-402 Disconnecting Means Required for Fused Circuits
0 F n4 r! h5 kControl Devices - Switches
" m( \+ `* H& d) O, G# a: u- T: j14-502 Mounting of knife Switches9 M% M) q. Z C, d1 a6 w2 G2 Q
14-504 Maximum Rating of Switches
5 s; K+ ~. B6 l. U5 ?/ R14-508 Rating of General-Use AC/DC Switches (Appendix B)
3 a! Q4 ]: q# G/ _) `14-512 Manually Operated General-Use 347V AC Switches (Appendix B)1 ^% k! P) s% c5 U7 g# l, ~: c
Solid State Devices
$ @6 H. g7 G) t6 M2 {14-700 Restriction of Use
5 f& b% N1 X0 B M) A6 i14-702 Disconnecting Means Required
H. a1 j5 e% E8 G! v1 t: X
, _4 a+ G/ F- J) Y/ F8 m: \Section 16 Class 1 and Class 2 Circuits
' |' y3 j5 t4 S7 SGeneral( M& a3 |7 X7 o. H
16-004 Class 1 Extra-Low-Voltage Power Circuits# }: K0 O- M3 C: m: R
16-006 Class 2 Low-Energy Power Circuits5 k+ F& K: I! l, m/ I
16-012 Circuits in Communication Cables a9 s' D, ?4 j8 c0 b
Class 1 Circuits
8 V( D6 N/ c2 \2 I16-100 Limitation of Class 1 Circuits: ?& s3 o0 e4 O$ t
16-104 Overcurrent Protection of Class 1 Circuits
" N0 `( M- e: M16-106 Location of Overcurrent Devices in Class 1 Circuits5 I3 |' E% f V
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
" ^: i( B# V, }8 v16-110 Conductor Material and Sizes
/ A& @# a. f! N1 q16-112 Insulated Conductors for Class 1 Wiring
9 X X6 p! Q# W* fClass 2 Circuits+ [: p; ~" L- G5 r' R6 b# y
16-200 Limitations of Class 2 Circuits (Appendix B)
' |: a% q- @* F! |0 l16-204 Marking
2 v9 L9 f! p( y3 p3 c16-206 Overcurrent Protection for Class 2 Circuits
9 _# H+ V. v L* Z3 a% W4 K2 ?$ t16-210 Conductors for Class 2 Circuit Wiring (Appendix B)4 R9 G; t/ g; A& j2 @" e; r
ELC: extra-low-voltage cable
i' o ]' y% L# H16-212 Separation of Class 2 Circuit Conductors from Other Circuits' K" M& n7 b r! s
7 u. r6 w1 G6 x' ~! u: E; mSection 18 Hazardous Locations8 P6 y$ i) q1 o9 I9 K% _
Scope and Introduction
) F+ S+ A7 |9 O8 @4 m, Q18-004 Classification* K* w- x$ [; t N
18-006 Division of Class I Locations (Appendices B and J)
3 _$ a1 c; W, g+ {5 J2 \18-008 Division of Class II Locations (Appendix B)
' z7 G: `: r: ]- J O7 A% P18-010 Division of Class III Locations (Appendix B)
9 ~# ~2 T2 |% Z9 g n5 HGeneral5 I- f: u4 Y+ S7 S/ x- d6 s
18-062 Metal-Covered Cable (Appendix B)
, e3 i0 N' l( j7 KInstallations in Class 1, Zone 1 Location
1 d5 ~4 |4 h, {! O( k( ~" B$ l# k18-108 Sealing, Class I, Zone I (Appendix B)
8 ^; D: W: F1 @! O3 X
1 K8 P" f2 F+ e* LSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
4 B; a( }" O' K! }7 F2 h3 O# I; N7 PGasoline Dispensing and Service Stations6 R( t1 h9 l: X6 c
20-002 General- [' X3 V/ b3 o# M% I" U
20-004 Hazardous Area (Appendix B)4 u3 K& X' h% S8 T) z
Propane Dispensing, Container Filling, and Storage( W; _) W* J1 H* d5 _- r
20-034 Hazardous Areas - Table 63
0 k7 N K2 D6 U) Q* ^ l6 T h+ u9 VCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
3 X: c* W1 l5 d: X$ y, ?1 ]8 M+ t20-062 Hazardous Areas$ w2 n f5 k2 o$ Y1 Z3 K+ N
Commercial Garages – Repairs and Storage
# Y: d% k: M5 g- `8 V20-100 Scope
9 K; Y# J5 v* c" U20-102 Hazardous Areas (1) * p7 p1 A; z! ?$ n4 P( a) m+ @
$ K1 c4 n( b8 d7 A( ^! HSection 24 Patient Care Areas- [' @- h7 v5 u* D! a) d
24-000 Scope (Appendix B)4 v5 q! z5 N% m& k9 ^
24-002 Special Terminology (Appendix B)$ ^+ M: u3 N' {- o) M! I& E
Patient care area$ {# `1 i2 f$ c0 w4 Q, O" d; h& J
Patient Care Areas+ e Y8 h3 h1 @' q
24-106 Receptacles in Basic Care Areas (Appendix B)! n( X2 s6 v6 {' w
Isolated Systems
- j& U8 B5 y2 p! E; S) [24-204 Single-Phase Isolated Circuits (Appendix B)
3 _3 n3 K% v% M5 R" W24-206
9 B, W p. b: Y% }1 s- f0 O
' a8 Z, c4 [# R% K' v/ `) XSection 26 Installation of Electrical Equipment
3 s7 O: [- P# D) P4 h; _General! \1 M7 s; z+ j
26-004 Equipment Over Combustible Surfaces (Appendix B)* w& u# `2 {8 }& O( l3 R! b
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
, ]4 \" P1 p4 ?0 {' _1 k Isolating Switches
/ L3 A( D F1 b. b26-100 Location of Isolating Switches* Y" A" ]* i8 f
Capacitors
& _! d! T- o) S. Q) ?26-204 Guarding of Capacitors
1 |0 f1 P- L1 b5 r8 t2 q26-206 Grounding of Capacitors
/ q% o9 V7 J5 [/ g# Q26-208 Conductor Size for Capacitors! }& k' I+ z% r& B9 n% q
26-210 Overcurrent Protection (Appendix B)
# V, G6 I# e: t- _7 M/ _4 J26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits, [* d6 Q7 l7 h" K& p: C) K3 m
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
* y+ m2 U: i$ z1 X" z" M" F26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
/ \: b9 V6 c- @26-218 Special Provisions for Motor Circuit Capacitors) D8 c; B0 m! x% R5 f2 K/ r, b
26-222 Drainage of Stored Charge of Capacitors
. w2 E2 L3 R8 h3 Z' m LTransformers* @) K2 t, q& f' x( c. `1 {1 n
26-240 Transformers, General/ c* N$ P$ ~2 |4 E
26-242 Outdoor Transformer Installations
+ {# d1 i$ _0 L! e26-244 Transformers, Mounted on Roofs (Appendix B)" P5 |( g# `* p9 ^1 l7 W
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
% C2 B; C0 Y/ r/ J6 \3 |26-248 Dry-Core, Open-Ventilated Type Transformers' k- p6 Q/ K, _# k
26-250 Disconnecting Means for Transformers# }6 Z. h l1 u2 R
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V8 G( Z) [, ]& `1 A+ F" S6 N7 C s. C
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
7 \6 J2 F7 @, [. _0 l J$ s26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)$ G, {+ u3 T3 \* S9 U
26-258 Conductor Size for Transformers
' a7 S- k3 F( c26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)" U2 H% Y' q& u% p: G1 G, z8 n+ v
26-262 Marking of Transformers
8 B! C+ I: o! X/ |26-264 Auto-Transformers
2 [5 G5 a. ?4 m2 ~( ^; aFences
- k( x; U8 M6 g `# T* i, D26-302 Clearance of Equipment - Table 33
+ c* E0 `5 l; ?% PPanelboards5 m z, ]: M, M1 F" d0 ~
26-400 Panelboards in Dwelling Units (Appendix B)
+ x7 B2 b ^/ C- {3 y+ ?26-402 Location of Panelboards (Appendix G)
5 v8 v) o# ]- s6 m/ ]Lightning Arresters
* }! t# {) A' |! ^& B% y5 l8 [26-508 Connection of Lightning Arresters
1 H% b3 _& [# w0 _. @Storage Batteries+ ]% g- {4 K; l% s- N# V
26-542 Special Terminology0 B/ O: m6 H( i
26-550 Battery Installation
) I& U( Y. L/ m. L1 x- D26-552 Wiring to Batteries
8 \# n7 l! h: [. [Arc Lamps
2 W& M1 I4 J+ B7 }5 w26-600 Location of Arc Lamps; K {# ]* S$ I" u: Q
26-602 Conductors to Arc Lamps
5 L6 s& g( |/ H0 _1 ?, E26-608 Globes and Spark Arresters
6 r. p+ ?8 o) b$ \9 j7 n* x% O. @Receptacles
/ k; J, a0 w2 I# F26-700 General (Appendix B)
, i% f5 ]: j; n. ]% m26-702 Receptacles Exposed to the Weather
. v6 U w% H B1 e5 eReceptacles in Residential Occupancies
5 ^! x6 N# @3 o" Y7 c26-710 General (Appendices B and G)# i$ S3 ~; [2 j. _1 J
26-712 Receptacles in Dwelling Units (Appendices B and G)
+ a7 l$ Y6 V! ^! F9 M; H26-714 Receptacles in Single Dwellings (Appendices B and G)
+ d1 r9 ?5 f; a2 V0 \( k, MBranch Circuits in Residential Occupancies
9 H1 ]# n( H, N26-720 General
) v4 }+ U6 b, C# t* N- r- z26-722 Branch Circuits in Dwelling Units
6 N. ^* A3 Z( ?6 I/ M5 O$ |& S26-724 Branch Circuits in Single Dwellings
U2 a# @) r' x26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
$ _7 X& L) S" dN 26-720 (F)
8 f4 V$ F& u9 u BElectric Heating and Cooking Appliances$ [6 f0 W3 `) F- V
26-744 Supply connections for Appliances
/ f7 j6 k! S2 Y+ w" |7 K6 w26-750 Installation of Storage-Tank Water Heaters: w% D. ]' W4 y* q8 l
26-752 Infrared Drying Lamps
9 I0 D. Q) s2 o4 i5 ~; p4 W; a3 @# p; w& K' x
Section 28 Motors and Generators
$ J& q" Y5 Q c6 RGeneral
. |$ m8 e1 s1 @# g# q7 |& J28-010 Special Terminology5 p( ~% ~) h$ F* ?
Hermetic refrigerant motor compressor
- P2 j& y. Z$ ^! TLocked rotor current rating
8 q( o2 Y; x: O8 `( b6 o, {8 YService Factor& l% _8 P+ g# [$ P+ r
Table 44; Table 45; Table-D2
% G% s( K% U" z' v8 i. l2 dWiring Methods and Conductors
' S/ [% n3 X5 g8 k8 d) t! @28-102 Portable Motors
4 S6 c6 d9 `: ?$ I# r0 P p8 C- Y28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity( ^& l) k, A) \: d$ K
28-106 Conductors, Individual Motors
% @( }3 C8 v1 k6 @: Y) w+ q! q28-108 Conductors, Two or More Motors2 G3 S/ z5 u" }8 L
28-110 Feeder Conductors* A' u- M, F, y- F3 R' e. s
28-112 Secondary Conductors1 Y$ R5 @6 E6 r
Overcurrent Protection. c* b0 j0 [# Q0 k1 f6 L
28-200 Branch Circuit Overcurrent Protection
- o) g1 v0 M' ]+ a }28-204 Feeder Overcurrent Protection; m9 i. H/ a* c" x3 E
28-206 Grouping of Motors on a Single Branch Circuit& s2 N. }; g; s" K! y1 M* T
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
2 t. p" R: Y0 gOverload and Overheating Protection$ J2 _' ~6 T( w' A
28-302 Types of Overload Protection/ b5 a5 I1 B% m& X
28-304 Number and Location of Overload Devices (Appendix B) Table 25
: G/ ^* t# J8 B( r$ t28-306 Rating or Trip Selection of Overload Devices (Appendix B)4 S* \) R0 s" M% A2 ~ P2 G
28-308 Overload Protection Not Required
9 E8 P! \& w* C4 [Undervoltage Protection
4 C$ v& U7 h! z I6 u28-400 Undervoltage Protection Required for Motors (Appendix B)
; R' x0 G/ B) o7 }) f5 L9 UControl
. G* X7 W5 A7 c& x+ E28-500 Control Required
2 F y( O- p, }+ L. K5 p( o! k" V5 O28-502 Control Location& }3 f2 m) h" ] p* F5 j7 t
28-504 Starters Having Different Starting and Running Position
' z- Z- d2 Z- C1 X# c9 f; v+ y28-506 Grounded Control Circuit) p2 T" h: D. a) U" g
Disconnecting Means/ @2 n# z+ b7 P. [8 Y0 ^% r1 q1 l
28-600 Disconnecting Means Required( k# Z4 n" t# Y1 y- ?/ g
28-602 Types and Ratings of disconnecting Means (Appendix B)
0 |- N9 S; {! s V28-604 Location of Disconnecting Means3 H( ^0 P: i9 d) ?% l
Hermetic Refrigerant Motor-Compressors
* O, q5 o$ N; Q+ _28-706 Conductor Ampacity5 S( \! d s. C; {# k& x# P: F
28-708 Overcurrent Protection
& l: x, v1 B4 t9 w28-714 Disconnecting Means
. ]6 b. \5 O7 C, dProtection and Control of Generators0 N, j1 @3 V% w+ C& A. K( o
28-900 Disconnecting Means Required for Generators9 f9 t8 \+ X% w. d6 i' @0 {
28-902 Protection of Constant-Voltage Generators/ Z7 \6 ], t T1 k$ w9 W4 _
28-904 Generator Not Driven by Electricity ?. E8 O$ T: W- W. A3 J* z/ b0 w. {
28-906 Balancer sets( s1 ^( h+ Y [+ x
28-908 Three-Wire Direct-Current Generators1 Q* q: _7 p6 c5 A6 h' d
; B) S4 p! q5 D: ?
Section 30 Installation of Lighting Equipment
' q8 x$ v! U* G% g/ B30-002 Special Terminology (Appendix B)
% X1 a5 u( M |( Z' V, G' gGeneral
5 U E; P& Y1 I) \/ Y( n30-102 Voltage" R7 c7 z E/ |7 k. B5 o! v+ J
30-104 Protection (Appendix B)8 H; ~" R- w1 G7 j$ p5 G E" [
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment' O6 p5 Q& v# h3 _9 Z" H
30-108 Polarization of Luminaires- M+ N8 x/ l( V l' z
30-110 Bonding of Lighting Equipment# F# P8 K: Y) V5 b) S9 a
Location of Lighting Equipment
5 p; H1 m$ H$ ]2 Y" N9 f& e& r2 |7 B30-200 Near or Over Combustible Material, p- x) b' X& C' o2 D( @
30-202 In Show Windows
+ r. Q- R2 v2 a5 V: y" L30-204 In Clothes Closets/ p, d7 B7 `" ^: L1 C
Installation of Lighting Equipment: m: }$ s- F4 s# y6 w" ~
30-302 Support
) N& k# k! G/ o30-304 Outlet Boxes to be Covered
& U$ F5 r5 z! h$ ~- M8 H30-308 Circuit Connections
9 C5 `! U* l) a3 S% V30-310 Luminaire as a Raceway1 ~( _' Z$ ?! Q" Y; o# f l* w" Y
30-314 Minimum Height of Low Luminaires
- D& X3 \- p" z7 T9 M30-316 Luminaires Exposed to Flying Objects
8 Z3 y2 I {* t0 p% g" O30-320 Luminaires in Damp or Wet Locations
, S! `8 ^0 \6 ?& TN 30-318
$ r; n7 Q, a: x2 }Wiring of Lighting Equipment5 v3 ?: [1 Y0 \1 ?
30-400 Wiring of Luminaires+ t" W8 R D) l r; `; w1 S
30-402 Colour Coding6 T% x0 R6 ?4 I; K5 R6 {( F
30-404 Conductor Insulation7 C' m0 i# y( ~% f. D
30-406 Conductors on Movable Parts
0 V4 `, E0 [0 N- l, l30-408 Wiring of Ceiling Outlet Boxes0 M" Y7 ~$ H5 h7 t( j
30-410 Wiring of Show Window Luminaires
/ r7 [+ c/ a& Y+ c30-412 Tap Connection Conductors: n P! @# b9 c
Luminaires in buildings of Residential Occupancy% }/ u+ [) V' q7 s( F! m. L
30-500 Lighting Equipment at Entrances (Appendix G)
! A6 a+ U& I1 r" p1 a1 a& j3 U5 m30-502 Luminaires in Dwelling Units (Appendix G)1 n) O; G5 k; Z) q
30-504 Stairways (Appendix G)$ P" K6 d: e$ Z6 J* o
30-506 Basements (Appendix G)
; W5 c3 O9 U9 V0 w30-508 Storage Rooms (Appendix G)
; ]; Q& I! Q9 U' G. o. V0 M4 x. p( F30-510 Garages and Carports (Appendix G)
3 ~& j, K+ t0 \% CLampholders
( Y" R* D4 L" z+ y. g30-600 Lampholder rating with Incandescent Lamps; r0 A# D# K* B, B( a
N CANCEL2 Q$ q9 g. B3 S! y
30-602 Connections to Lampholders
, ^4 T5 P" k" z$ U6 \9 F# S, B, iN 30-600, i9 P8 P% z# }8 j2 `( b. M
30-604 Switched Lampholders Used on Unidentified Circuits( C. Z5 I; s* T% ~- `) {( v: k
N 30-602 m) T9 U3 G2 D+ C* i: T) o
30-606 Switched Lampholders with Pull-Type Mechanisms+ D& W0 ^- a7 F2 E4 } W
N 30-604
. u. [2 S b+ G& X2 R$ e0 G30-610 Pendant Lampholders; A( h7 _: ?2 [. D: d" _8 l
N 30-6084 O. w3 l" w' `4 l9 b: Z5 N
Electric-Discharge Lighting Systems Operating at 1000V or Less' v) E3 I$ d$ V
30-710 Control (Appendix B)" D' W. N# x( ^3 D/ ~
30-712 Branch Circuit Capacity
3 A' _& u" z, d- W3 Z7 Q; gElectric-Discharge Lighting Systems Operating at More Than 1000V% p; ]9 K1 c$ L7 \% T8 I6 n
30-802 Voltages, Dwelling Units8 a! K3 h" L/ E$ U0 K5 N
30-804 control (Appendix B)& b2 R; B8 R! r$ d. O A
Recessed Luminaires (Appendix G)
3 r0 ~3 t5 ?1 J: c8 z30-902 Spacings for Non-IC Type Luminaires
' O8 p7 z0 t h- t5 E( m( d( w30-910 Wiring of Recessed Luminaires (Appendix B)
% M* Y; K& `9 V! w8 H' IExposed Wiring for Permanent Outdoor Lighting
7 W V; O* ]% G, A+ F30-1120 Branch Circuit Loading and Protection
6 b9 b X3 a, K( K6 C7 SExtra-Low-Voltage Lighting Systems) m- m+ k r( P; w
30-1202 Sources of Supply! ?5 ~0 v+ N; E" v h
6 c5 p7 c2 v, G! gSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
F5 E2 b- {& f( q2 G1 n, F, nFire Alarm Systems0 Y z% `% S- h2 X/ o3 X& \3 @$ A
32-100 Conductors
( @" F- f, W$ G5 E, W& \& x32-102 Wiring Method
4 v; J+ X; x7 d" G1 [6 Y32-104 Equipment Bonding
6 }4 g4 K% o B8 A! @& P; G% \ M32-106 Electrical Supervision
7 R% e3 ]. p+ z32-108 Current Supply
; m: k! _% F) d: O5 B8 z32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)4 b7 t8 f' k' F- J
Fire Pumps
+ ?, Q# G. N% P0 {2 ]' @) u1 M32-208 Overcurrent Protection (Appendix B)
( o0 M! G' G9 y+ S& D% L T/ xN 32-206 \- A) D4 {/ P6 @ c5 ]
32-210 Overload and Overheating Protection (Appendix B); F# w( Q* C$ r2 A# o5 j
32-212 Ground Fault Circuit Interrupter (Appendix B)% Y. p& ~7 L: Z8 j" Y b3 w
* `; i# z8 t, b( KSection 36 High-Voltage Installations
& d0 g% v: {2 p. h8 d# |General8 p" N( i) H9 b
36-000 Scope (Appendix B)
8 d. {! a0 O0 }) @; y# A36-006 Warning Notices
$ _/ q$ {4 n7 b* M* y6 N, ~Wiring Methods" F0 `- A: \: K" l
36-102 Radii of Bends
+ g2 z! H0 e& R36-104 Shielding of thermoset insulated conductors
4 G- @4 o, I: T9 C/ ]& t1 k2 [& k36-108 Spacing of Exposed Conductors (1) table 30, table 31
% J4 |9 g, s( z7 r36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
4 o: c: f6 T8 O1 _! t: W: g' }7 `Control and Protective Equipment. r& P& @. ^0 h2 U! b" I& W
36-214 Disconnecting Means0 E: H/ n* B# Y
Grounding and Bonding6 h4 }* z* G' v& y, z- D i
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
2 ^, x6 r+ n8 I8 |/ C36-302 Station Ground Electrode (Appendix B)1 O. ?4 J- G$ B, @7 j* Q9 W5 [' x T
36-304 Station Ground Resistance (Appendix B)
! P( o+ O4 n b3 Z- {4 F36-308 Connections to the Station Ground Electrode (Appendix B)
2 t8 v0 I. s2 s: M& A" N1 P0 a36-310 Gang-Operated Switch Handle Grounds
4 b/ y: M( c, v' W: \1 N5 p36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations# e% D6 @! q6 [ }; d. `
9 ]9 l' w9 M9 k- Q1 v# Y# R6 p* pSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
! F# R2 n) P- g& o38-002 Special Terminology (Appendix B); Q$ o1 e* c0 D- f6 M5 r
38-003 Voltage Limitations (Appendix B)
) b! x2 U+ `( P. o. ?8 u& u/ f38-004 Live Parts Enclosed {3 S; ` @7 J$ r: q& c
38-005 Working Clearances
6 B% j7 _7 M0 t) S ~38-011 Insulation and Types of Conductors& g( l& L8 `$ m* I1 i; {
38-012 Minimum Size of Conductors: f3 r6 D! H% l) _
0 [( u$ I3 h9 o0 ^Section 40 Electric Cranes and Hoists! ]4 l P, U% [) J6 [0 G4 S$ ?- U& b" k1 R
40-008 Disconnecting Means
4 q) Q5 ~' V3 ~# c# y4 M40-010 Main Contact Conductors) w' h- `$ g* D& H( O& o+ N
* _' l2 b& a0 ]
Section 42 Electric Welders B0 B g, P" ]3 g5 ]- O9 D6 G$ [
Transformer Arc Welders
3 `3 y# b' O3 w# s0 e% ^2 y42-006 Supply Conductors1 u/ P' t( L" o- r* Y8 c
. e' R6 K# B% f4 ^% w" Q: oSection 44: Theatre Installations+ P7 b% y& Y1 p* }; i; G; ?0 g
General8 W+ T8 M: R$ T# i# {9 J, a
44-104 Number of Conductors in Raceways
) Q$ K! l( X4 L) n* [4 H44-106 Aisle Lights in Moving Picture Theatres+ D! `0 Y& o) h% J2 i
Fixed Stage Switchboards
4 B$ c; r) p" I9 x0 h* H6 G% {44-210 Overcurrent Protection
' R1 A! {; y! NFixed Stage Equipment
`6 Z" ?+ F) f' c* n) _44-324 Receptacles in Gallery Pockets
2 A# A- H& w+ z) G; m0 Y44-326 Receptacles and Plugs" W6 a* {' z1 E; `6 L& r
|5 N$ f% ~: U6 X5 x: `4 sSection 46 Emergency Systems, Unit Equipment, and Exit Signs8 q2 s! n, K* S. x6 n
General
% ?" B9 ^, l% B" l3 {2 b46-102 Instructions
0 I; }, J0 ?( i% n: ?46-108 Method of Wiring (Appendices B and G)
# v- T2 c7 G: R" p/ lEmergency Systems
6 `0 g4 H7 v% A0 ~ C$ a46-202 Supply (Appendix G)
0 V: g& V8 ]. k) R# N0 l/ }0 G46-204 Control9 H* e* ?9 p3 x( d- P$ m4 W1 \
46-206 Overcurrent Protection
$ V0 u3 d+ @3 h! j46-210 Remote Lamps, A& E/ q: e) _# F$ B( j
Unit Equipment
& f9 ^$ c% i4 `/ w5 R4 W% Z e46-304 Supply Connections
1 d V2 S% y+ j# z. ]' \7 s46-306 Remote Lamps (Appendix B)9 h' R, @$ f( y5 q: Y
Exit Signs+ X, }. v3 |, \9 }% \6 [ \4 z& c
46-400 Exit Signs (Appendix B and G)% i6 d0 R. c. p: F
2 h/ U% Y* w1 s4 {4 i
Section 54 Community Antenna Distribution and Radio and Television Installations
+ H$ [! F& N. N- {" n54-000 Scope/ h$ w6 {. }# k1 P
54-004 Community Antenna Distribution (Appendix B)9 _, y) P) t6 b0 p3 L
Community Antenna distribution
8 o" U# @/ p. H& b# Y; P/ u54-100 Conductors
# H; A/ H4 k# M9 P9 P8 R, i54-102 Voltage and Current Limitations (Appendix B)
x$ c* U/ B0 s' ]$ E; M* y2 TProtection
; i, ^5 a9 a: m$ Y/ X+ J4 n# O" L54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
( O* t! t& ?# ]: y, E/ n; b' yGrounding
$ k2 [5 o H. h2 M- B2 ]54-300 Grounding Conductor' D% f& H* I; ]" J! K v2 l
Conductors Within Buildings d) x5 S# D. z, m' H$ \6 P
54-400 Separation from Other Conductors
6 `6 \! r! P8 Z q4 QEquipment
: E. k& K' X& x) _" R# g- o& p54-500 Community Antenna Distribution Amplifiers and Other Power Sources3 j1 a; S8 }, ~ j" e! Z1 ]
54-502 Exposed Equipment and Terminations. I, A6 I4 y5 _& R: a0 s( e
# ~2 S4 J" b VSection 56 Optical Fiber Cables7 L6 x" s$ V% c. O, n x: U
General0 U, Z3 g# o; R1 G
56-100 Special Terminology
, [2 W2 Z1 Y$ d3 }& r$ U1 C0 ^56-102 Types. W, C: L; S# S6 V
Installation Methods
" a* y" e2 J6 P1 u* U/ ~. _56-200 Nonconductive Optical Fiber Cables (Appendix B)" D3 F4 B9 k' d0 i2 O- i& q8 a7 P
56-202 Conductive Optical Fiber Cables (Appendix B)
7 h3 o+ P k/ ?% |, w4 z56-204 Hybrid Cables' ?7 a; l8 Q2 a# H1 G# M& }: i
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B); M2 n6 P% K7 i! D8 V. E" @
% Z: Q1 x$ X; _9 h# L, k f3 R: GSection 60 Electrical Communication Systems+ c, ?# o1 A2 G8 L
General# P. o) K6 ~. I- E3 C5 s
60-100 Special Terminology
8 Y1 t( c' x; d+ JProtection/ X1 B# @+ H% e5 P! ]
60-202 Primary Protector Requirements
9 [' ~! r7 w E# J5 M0 J3 {Inside Conductors- @4 Q- {6 A$ \1 [
60-308 Separation from Other Conductors# ~0 r4 ~+ Y4 ?* H! ?
Equipment/ b% @0 s8 D4 k# ~$ ?# A- s
60-404 Exposed Equipment and Terminations
/ ] `, Z, P+ k6 b- ]Underground Circuits% D4 q' L! x' ~ S
60-600 Direct Buried Systems! F. {& d T. N; x: O, L1 A5 E$ W
- y+ f, K w; ?) _% I
Section 62 Fixed Electric Space and Surface Heating Systems
+ k- c) _6 c! V; U' N" NGeneral$ r# m$ V3 i& Q5 ?, B
62-102 Special Terminology" u2 Q2 K1 ^" x9 M: y4 ~, W
62-108 Branch Circuits
; [/ F; |$ v, x2 E( J4 I7 U, i( e6 J62-110 Installation of Fixtures
5 m$ x& N) j6 w2 q* g62-114 Overcurrent Protection and Grouping (Appendix B) (5)
; Q/ Q8 k2 b; V. @3 V( l- p62-116 Demand Factors for Service Conductors and Feeders (2)' {7 r( [4 O: G6 r D) d
62-118 Temperature Control Devices' T( `( T* d3 u0 T. B, K
62-122 Installation of Series Heating Cable Sets (4)(7)+ i6 N1 A1 Z% _7 N7 E, T
Electric Space Heating Systems! k, X% p, \8 x7 R: N3 L1 E. g
62-202 Temperature Control ]$ ]# x! r# ~& C) d5 p a
62-206 Proximity of Other Wiring (Appendix B)* i9 H+ f( Z5 j( x/ O9 Y2 _& H
62-214 Installation of Heating Panels and Heating Panel Sets( t" s( N- Y5 r: v. x- D S1 S0 @
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings2 O4 F) x. q; m( f0 c
62-226 Installation of Under-Floor Covering Heating Panel Sets
$ q" r$ z d& j' e4 L4 ]Electric Surface Heating Systems. b' C* Z) [, X- F$ D
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface; q5 q$ r- J2 g& J
n' k2 P2 Z( a: g: r! j+ ]
Section 68 Pools, Tubs, and Spas
* ^4 W9 Y0 L, s7 }9 Q( wGeneral0 }" Y" F, f+ V' d( v1 E- b8 c
68-050 Special Terminology' q- i. P* h" T& h' z! B
68-056 Underground Wiring - Table 61
' s8 I4 d. H* q68-058 Bonding to Ground (Appendix B)
# u. x0 I( a/ H9 R68-060 Junction and Deck Boxes (Appendix B)
$ N, m V9 L# r$ [6 Z: f68-064 Receptacles( y/ L8 i3 e8 _" j7 v/ @
68-066 Luminaires and Lighting Equipment
' o% F1 m, W. G5 K) Q/ b. K0 [+ V68-068 Ground Fault Circuit Interrupters (Appendix B)
% G7 y0 [: G! X( T' P/ ?5 Y, I
Section 70 — Electrical requirements for factory-built relocatable structures and ; O5 a6 T. d- f9 L# R- _
non-relocatable structures
4 y3 [ B# N9 N8 x! B70-130 Tests (see Appendix B)8 M& a3 v& Y8 F1 V9 k$ B
+ y9 `6 }8 p1 a3 o( a& W2 VSection 76 Temporary Wiring (Appendix G)! ? b8 {/ [! Q* r- ~( R
76-004 Grounding! P8 V7 L% b) Z$ b$ \
76-008 Service Entrance Equipment4 s$ C! y1 T& h9 ?( H6 w
N 76-006
% ?6 D5 L1 F1 |7 j. n' f! d- B1 S76-014 Branch Circuits$ t# |3 X1 g( h. T2 G' [
N 76-012
, n, t- E! I* Q) p' U: w/ p8 R1 V0 f' k3 g$ {$ n8 ^' f# J6 @
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
8 ?0 n, c5 J6 c# o5 P* D/ `1 JMarinas and Yacht Clubs6 A2 P$ ^& g* U
78-052 Receptacles# k7 a1 \4 k2 i/ V& ^; C
78-056 Feeders and Services
! R/ h! z6 |- w: T; ~Marine Wharves, Structures, and Fishing Harbours! B: ^" ?& z' m5 K; Y, d% ~
78-106 Grounding and Bonding3 w/ N# u" R; W
Tables
* f+ W6 t9 r2 [* [ t6 |$ x1,2,3,4,5A,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- T- x: |* _/ J
( r: L" J9 m" G5 FDiagrams: 1, 2, 7/ u* c1 z! D( n. f/ J
6 ~; ?5 S' l3 |0 L, Y% M1 c- F
Appendix B5 I1 b' L; z# ~2 `. _9 B
P352: Ground fault circuit interrupter- 6mA& Z0 b8 G6 X& m) H1 ?2 N6 `
P354: 2-126 FT1, FT4
3 v/ ~; h, x1 i' PP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g); {8 h% H: H2 @. [2 s
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)% C1 b" @6 w7 y- O2 {. a- d
P370: 12-1012, 1118, 1214 Example:2 d. z1 j* R+ ?" N' W4 d& v: ]
P371: 12-1108
, O+ i6 W* Z9 tP381: 18-108(1)(b), 18-158(1)(b)# m4 D5 a- @' o4 M* L0 l* p1 |1 }
P386: 24-206
4 E! N6 e7 C- r- MP389: 26-256* y+ F+ b# e; {$ K0 v" I
P391-P393: Section 28, Example to determine Motor Conductors and Protection
( C8 v( p9 F3 I+ o% {4 z* t1 j4 g! N) z! }; \: {
Appendix D
% l. l# @" V1 E: F/ ?Table D1, D2, D3, D4, D5, D6, D7, D16 |
|
狗仔卡
发表于 2006-7-14 22:53
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡