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Canadian Electrical Code Review Guide- q: |1 m, B0 w% [: N
For the Exam of Electrician For Red Seal License$ ], E3 w# |7 _: m/ D% O
0 g2 K' N K4 B% e
Lesson One
+ g& e _. X( Y/ a1 J: PSection 0 DEFINITIONS
+ {% M |0 n+ LThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
/ g' a" s# u" h0 X3 `Accessible as applied to wiring methods
: c- e$ @3 m2 ]- K/ t; Y9 XAlive or live2 T. G* U' ]% i" d
Aluminum-sheathed cable1 C/ y+ u& _% m) i
Ampacity
9 q; b) _+ f7 U# ]' A4 I! h5 wAuthorized person0 }9 ?: _% u% V* t
Auxiliary gutter* N# H8 {" e, k( P6 t0 ~2 `
AWG
% X% d- C! N, F8 ]0 ?3 K" kBonding2 s& ^( }. Q" p/ S# D. `" N% M
Cable tray
! L6 P3 N4 t$ W" PCellular floor" j K/ o+ V y+ k% ^1 p
Branch circuit/ J5 |- ^4 L1 A' f8 C
Bus* Z. G* q N5 x# j
Busway' M2 N, R" p* ]7 P
Communication circuit
* s) [7 z" o O! v" UExtra-low-voltage power circuit
) c% E& r* ?/ q+ x3 wLow-energy power circuit
, X9 `8 {: y4 z' M3 s0 YMulti-wire branch circuit7 U/ v. d S# m7 i, ^
Remote control circuit+ }) }. G0 Z9 U1 ?8 Q
Signal circuit
; d( U. y2 M& TCircuit breaker
8 x4 a4 H# K( D: o* ?Instantaneous-trip circuit breaker
$ M& K5 ]! ~5 Q2 |& _! U4 L' Q3 vConductor2 q$ D7 X o1 G. r& \* w
Conduit) y1 D; C+ i9 _( A2 u% }% C! [
Flexible metal conduit
* r' d& T0 Y# ^7 |* |3 J! P Liquid-tight flexible conduit
' V8 j! L% U. R Rigid conduit
1 c) u$ t0 i# Y( m+ {* G Rigid metal conduit/ J: o+ n4 {2 Q" T1 W) S
Rigid nonmetallic conduit4 Q+ G/ F0 N7 }2 |' O" c3 d
Rigid PVC conduit- Z! i. J, n/ o5 b% _' a9 h
Connector
9 e! [7 o; l9 i* }' j5 O Box connector( z. }7 _9 `$ F# I6 {4 p% Y7 x5 m
Wire connector
. F* t! U j$ h# DController
6 M% b/ u# N( V3 A# d$ {* g% oDisconnecting means) f _' j1 j3 o9 J7 Z; @) g- c
Dust-tight
, U* V% U) `8 Q& yDwelling unit
+ m* P' `2 K, A, ?; ?5 BElectrical contractor: a" S9 k' D4 T4 H7 @! Z
Electrical metallic tubing( f' F. [1 E( C7 _: V6 H' }
Electrical nonmetallic tubing
, _8 [' M2 Z* F/ `' m J/ @Emergency lighting
6 k, J" t) q" w6 y' ]. J, xExplosion-proof2 e {: h* Q# Q( K8 x) ]0 A
Extra-low-voltage power circuit
2 F, e8 B) f" ]1 X8 N# C5 vFeeder
1 ?! G( ^. N! gFlexible metal conduit8 r% B7 |: Z# g/ p S3 P* I c/ p
Ground
$ i7 D, G# W, `- H2 ^Ground fault circuit interrupter. ]+ H: q/ q3 Q0 m: T
Grounded+ w: e- M: U* u1 }) h0 n2 ]5 c. i
Grounding
8 q- n. S' w' K, d2 aGrounding conductor2 P2 S( s9 F& Y" c) L% d
Grounding electrode- f, r6 N4 h; {1 Y6 d! o
Guarded
8 o4 f& A$ y T% w. x/ j3 U" i* ]" x7 VHoistway
, [: U* j& l" C1 t7 r* N! \Identified
$ {1 y5 R# O$ N# `, P& YLampholder( I/ j! ~7 M$ I+ c5 E7 R
Low-voltage protection, {& V! w( z( l" Q' [ Q
Low-voltage release. X2 e0 C" b U
Neutral2 K" h/ }, Z$ G6 s2 k
Noncombustible construction
+ f% E( K0 k/ `) lOutlet0 u! f* y$ M/ \. t8 V* ~
Outline lighting- O5 L2 A$ g5 I2 B+ t- d
Over current device
" B4 Z N) j2 i( K/ {Overload device+ G5 f# B; z1 K5 @8 W
Panel board
( |' `/ ?9 ^% c' XPanelboard, enclosed& X! N8 i( D1 H8 Z
Permanently connected equipment
2 R6 m2 u( p* _- wPermit; [1 i% F2 Z0 ]! m6 e0 T
Plenum
6 o9 p- Q3 J7 s3 R! L A0 A2 J2 @- {Portable as applied to electrical equipment) x3 N: O0 k" A+ X7 y
Portable ground fault circuit interrupter" D; h+ K8 U0 B2 R
Power supply cord
9 G" w- E6 e6 ]3 `2 R* X; W3 Y( TRaceway# i( l. W, Z8 _9 L7 R
Receptacle5 `5 s. e5 X7 p: _( R( X* H5 e( ]
Duplex receptacle2 j* |1 \& j* Z* T7 F5 G( U
Single receptacle# Z @! u" W( ^" k: q
Split receptacle& t1 {1 |% b; D
Service, consumer‘s3 x7 a9 A3 X) M8 X4 B% w$ H: m& D
Service, supply
* X0 z; j1 J( @Service box- N; M* q. L9 ?6 D$ J
Service room7 n5 c8 o( q; ^4 h ?- Y
Single-dwelling
1 O1 d3 y/ ~. ^3 _ G9 PSlow-burning as applied to conductor insulation
% D0 z' V4 T; h7 c# ]Splitter
$ Q4 v6 p4 B# r7 bStarter
J" a' P8 B' x' G/ S0 aSwitch
: g+ N0 n6 ~) `7 f4 f General-use switch
5 m. J6 f3 c" Q! i( p" f Indicating switch
" N3 f; x; D( k' Z1 K2 w Isolating switch+ B) y2 |5 n/ Z& N2 S
Motor-circuit switch9 {, O9 {1 J2 v g
System
# @' ^6 z) e- x9 F. x Communication system" L! V3 o7 P L2 X G% g$ B$ ~
Community antenna distribution system(CATV)
. u4 w% o% f, _; Q3 p Grounding system' }8 L7 L" z* S; \6 \
Underfloor raceway+ P% ?( f$ j5 o8 h' R) b
Voltage:
7 V0 Z) Q- T+ Z9 | Extra-low voltage* T) g4 F( K+ S3 z0 H9 i8 m: ~
High voltage
6 e- r7 `- g% e( L4 M5 ? Low voltage
, ^/ D* N. F p7 I0 B2 i1 @Voltage of a circuit
0 J4 q6 e1 @5 ]' SVoltage-to-ground
( \$ Y3 n) K W& X( r/ ~$ y: lWireway! X$ ?+ u- p' W, x( m2 @& {8 W% o
3 h! Q h: J D$ w. ? T) f6 MSection 2 GENERAL RULES; _7 u( h9 I W5 Y
Administrative1 J j2 U# r! T8 w3 g/ }7 T
2-018 Reconnection
) Z3 B" d4 {! L* R/ v2-030 Deviation or Postponement
6 ]# n8 o5 `0 u5 _' z& vTechnical General
5 Q5 E# |3 ]5 N/ I" `2-106 Circuit Voltage-to-Ground – Dwelling units" O+ U3 `( z8 u+ r+ z: u8 w
2-114 Soldering Fluxes
5 f$ m% B6 N9 R* a( k6 s7 ~1 _2-116 AWG Sizes of conductors
" O. m" F) S1 b6 n. P) |4 L8 X2-124 Fire spread (see Appendices B and G)
0 ~# F0 X/ w( P6 m/ X4 \2 D2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G) b6 Q3 E M, v5 \, Q+ }: d
Protection of Persons and Property
! ~2 [) m3 a" y& k2-202 Guarding of Bare Live Parts. S$ [/ b& ?" D/ i
Maintenance and Operation
" A* ~# K' t9 N7 V2-304 Disconnection$ ?% y8 W1 | s% I2 n. o$ r5 ]7 H
2-306 Maintenance of Live Equipment9 k: [6 u' P7 R- q% w3 R8 [
N 2-306 Shock and flash protection (see Appendix B)9 p# ~; P4 `' X6 c W1 m
2-308 Working Space About Electrical Equipment: Table-56
! G: |8 f2 }" y% B* z8 }' X% k2-310 Entrance to, and Exit from, Working Space
' g* C2 R* F# ~: V+ m* J7 }2-320 Drainage
1 }& i3 h- W. `0 D5 _" i2-322 Electrical Equipment near combustible Gas Meters and other Devices- o0 \8 f. ~- x0 y9 z( S0 U. P
Enclosures
: u+ y# v$ U' _2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) 0 ~7 E$ J# O$ u; Z" }
2-404 Marking of Motors: DP, WP, TE
& [/ E) R' k3 K; H( \( { l
) h$ u6 {. o& gSection 4 Conductors7 _+ f6 r9 O4 B- N
4-000 Scope! I- e5 f5 w, a- k6 X: M s
4-002 Size of Conductors: 14#, 12#
4 I9 R$ P( \: D) a4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
. C4 \2 r- C9 ]6 ?+ L% Q, n4-006 Insulated Conductors: Table 19
6 n' X3 P: A9 V0 {4-010 Uses of Flexible Cord: Table 11
7 D: E0 q1 }/ E7 s% v7 ~4-012 Sizes of Flexible Cord: u: u( c/ q# ]
4-014 Ampacity of Flexible Cords: Table 12: O. I3 X. ]7 @2 m( W& L
4-018 Equipment Wire3 o8 }, u" Y( s! }
4-020 Insulation of Neutral Conductors' T* Q! r1 `' v) P5 o* K
4-022 Size of Neutral conductor
2 p3 g$ b- E, S6 i4-024 Common Neutral Conductor: N/ {( X+ E3 S7 K5 ?9 C
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
/ C' u/ A% y4 }/ m0 j9 U4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum p1 \4 d# @6 _
4-032 Identification of Type MI Neutral Conductors
( n* w# Z8 R1 p, n4-034 Use of Identified Conductors
$ w* S- I0 G- k) o2 ^; r; m/ Y4-036 Colour of Conductors: Phase A, B, C, …- \+ E' _, E& S! g: I
) p2 c1 m. y( B1 `- G% p: {1 l
Section 6 Services and Service Equipment9 X Z5 o& w3 N& _( k+ T
General. G9 R' W# ]: M" t9 c. f
6-102 Number of Supply Services Permitted
6 p* v' H1 C, ~6-104 Number of Consumer’s Services Permitted in or on a Building
- a; U; F+ G0 w) _% n- r" x6-108 Supply Service from an Electric Railway System5 w9 Q N6 R; v7 ]/ ~/ z* Q
6-110 Three-wire Consumer’s Services
- P- p; k1 ~; p6 @6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
2 X8 a, e5 V- }5 C2 ~$ L1 s x" |6-114 Methods of terminating conductors at consumer’s service, K* u3 Z5 y- C' |! H
6-116 Consumer’s Service Head Location# |. c# J# i- t
Control and Protective Equipment9 E8 `& l* X4 P# J
6-200 Service Equipment) P( y4 n. X2 h
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)! H0 R, S: N8 D3 p$ Q% ^3 I
6-208 Consumer’s Service Conductors Location* K3 A/ ?- m8 u/ T
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches+ X, o8 F( j, E% k
6-212 Wiring Space in Enclosures7 _/ K I- ~ T% \
6-214 Marking of Service Boxes
+ `% t* K5 }5 n7 m# U6 r2 {Wiring Methods
8 L- X& O! ^4 D# D$ E' y0 g6-300 Underground Consumer’s Services+ ^. }( k) A F0 l% f
6-302 Overhead Consumer’s Service Conductors
4 T/ \1 h; G; X" Q. m# \) A6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
6 k6 h( p/ c2 s% s* _ h6-306 Consumer’s Service Raceways0 a9 G, D6 P, Z& i& C
6-308 Use of Bare Neutral in Consumer’s Service
0 \0 T1 J( S6 W/ A3 Z) c6-310 Use of Joints in Consumer’s Service Neutral Conductors6 ]' n; ~, ^! ~5 S) H
6-312 Condensation in Consumer’s Service Raceway
+ d% x, {& X0 m3 GMetering Equipment& ~; [! x; e2 P4 n
6-400 Metering Equipment4 d( r# o- B: l3 F g1 _
6-402 Method of Installing Meter Loops; O# O p4 d/ j5 s8 ]) x
6-404 Enclosures for Instrument Transformers9 G5 R6 g5 }$ C- [: Q# ]* k
6-408 Location of Meters
4 _2 c* ]4 \( b% Q, r: c# s& H2 N9 a2 \
Section 8 Circuit Loading and Demand Factors/ {6 s# O7 w- L' Y: d
General" E9 O4 u: I8 x: [
8-100 Current Calculations
# r5 H& g5 o" ]1 P1 k8 r- u4 b' A# e$ l8-102 Voltage Drop ( see Appendix D)6 |; y4 N$ X( M. ]' E" N
8-104 Maximum Circuit Loading
$ n! v3 c0 l% o4 h1 c0 E7 b8-108 Number of Branch Circuit Positions
7 r% N$ d3 B% f7 e) O8-110 Determination of Areas( l- d0 ]% f8 H' H9 c
Services and Feeders
/ m, q" O; ^. O3 c9 h8-200 Single Dwellings (see Appendix B)
4 g) E4 @3 M, S: a8-202 Apartment and Similar Buildings
2 c! ~ r) M9 e* r8-204 Schools
4 H7 o+ M2 s$ E/ e3 x0 K" m! \8-206 Hospitals
1 V( R. C; y* O% k5 g) f3 ~8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
4 |' \+ \ [ e+ ?- M8-210 Other Types of Occupancy (Table 14)
7 f# X* t7 b3 @( u7 J2 [8-212 Special Lighting Circuits
1 T% x2 [! e y) w& N& N" s4 o0 s% iBranch Circuits
6 R# e6 N' N" |$ a# B( Y8-300 Branch Circuits Supplying Electric Ranges
, u3 B y- w$ d L M5 ?8-302 Connected Loads
3 S1 J: t# J9 U3 h2 r5 }5 U( t& a8 `& ^" l: W. @) _& q
Section 10 Grounding and Bonding0 N2 t) B4 L! K- \3 C' T
Scope and Object
- V7 a& z9 e- }# ^ ~ a! a7 Q10-002 Object; d, W6 n \* w. {& y
System and Circuit Grounding
$ m9 G0 G" y7 ~1 @10-102 Two-Wire Direct-Current Systems8 [* R9 j3 {4 [4 ~
10-104 Three-Wire Direct-Current Systems
+ b& H4 M; Z1 g% G10-106 Alternating-Current Systems
& Z) V% a+ L! M# b* S& u1 @' C10-110 Electric Crane Circuits
8 ]6 M3 ]" R* w8 [6 @9 x( @10-114 Circuits of Less Than 50 V0 A: V: G$ d1 S6 B) |
10-116 Instrument Transformer Circuits
. U U9 e) R' H ^Grounding Connections for Systems and Circuits
7 @. t8 A& H" M" v& G7 s10-200 Current Over Grounding and Bonding Conductors: d3 t; W6 @7 F( j& B3 ^
10-204 Grounding Connections for Alternating-Current Systems" s# V8 Q) v) i
10-206 Grounding Connections for Isolated Systems6 S; X/ l7 s% n0 w5 |
10-210 Conductor to be Grounded
3 [: q, }: J3 `5 Y- MConductor Enclosure Bonding
* P6 ~+ U4 \" e+ s* E( W+ K10-302 Other Conductor Enclosures b+ H e: b2 o: ^# C1 D
N 10-304
. r7 }8 O2 a; s1 g. K: QEquipment Bonding
7 m+ M* f& G' m. E10-400 Fixed Equipment, General. W" A. Q& O4 e; G
10-402 Fixed Equipment, Specific (3), (4)" ]2 q" m5 w% j$ F% ^$ M% Y
10-404 In Nonmetallic Wiring Systems* b, n! M: ^5 v' l" ]
10-406 Non-electrical Equipment
0 g' @$ P, Z8 [9 c. L' p5 H10-408 Portable Equipment (4)(b)0 G3 W: N+ L# u$ }& E; ~) W8 j4 f# g
10-410 Instrument Transformer Cases
1 N7 i! F5 l& O% R10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less" m. V5 s; F0 t8 X. a! I% W
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
1 N* B0 R" V4 r4 G1 e8 ]8 LMethods of Grounding
! N; S- k6 i7 q, c10-500 Effective grounding (see Appendix B)
% }- Y6 U3 t' u% q- `# M10-502 Common grounding conductors. X( z; G, t/ K
10-504 Common grounding electrodes
; o. G* Y3 y, Y; Z- G: iBonding Methods
5 i" ?# C" y2 \$ ^) h! H10-600 Clean Surfaces" U' Q6 [$ A9 q5 u
10-604 Bonding at Service Equipment
; @9 E4 N% o \% E/ W% ~10-606 Means of Assuring Continuity at Service Equipment' Z, s5 i: i2 V+ Q: m6 T$ r
10-610 Bonding at Other Than Service Equipment
' n6 Q* E7 U; [$ ^) y7 ~10-612 Loosely Jointed Metal Raceways
4 l/ c4 d" W% |5 S# z3 G10-614 Bonding Jumpers Table 413 {5 j& C2 \0 m$ \
Grounding Electrodes: f# l, R! n7 `0 i$ D
10-700 Grounding Electrodes, ?5 M, I% R+ I
10-702 Artificial Grounding Electrodes8 H1 p' P' p: u4 h# V, v# `9 H w4 i
N 10-700 & 10-7021 t$ x( y* \9 ~
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)1 N# N+ d8 g+ _8 R
N 10-702. h4 Z l. t, ]6 f5 o; w% X- d
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
: ^5 ?& I- l/ O2 A) ]N 10-7027 F [% R* t8 t2 @3 b9 _. V& a
10-710 Use of Lightning Rods (Appendices B and G)/ u& M( p9 w4 g
N 10-7066 T* i' _. W" {+ v' j+ _
Grounding and Bonding Conductors
) ]# o1 K: C# h; @% h10-800 Continuity of Grounding and Bonding Conductors* X- f. y, w3 B! y) d7 G
10-802 Material for System Grounding Conductors7 g! c; L; t) `! \) i- R8 t6 B
10-804 Material for Bonding Conductors
- H' j0 f. [" L0 D# Y1 C% H10-806 Installation of System Grounding Conductors
7 f- i+ R5 F7 Q4 T2 R5 C10-808 Installation of Equipment Bonding Conductors$ h7 m M: H$ S& r, U9 Y! E& Z
10-810 Grounding Conductor Size for DC Circuits2 P: X1 M( K T$ x$ d" L1 H
10-812 Grounding Conductor Size for AC Systems (see Appendix B). g, @* {) @; \9 k( w4 g" z, c
10-814 Bonding Conductor Size (Appendix B)1 l: L3 ^* H; K4 N! l
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment. ` @7 E, x% O
10-818 Bonding Conductor for Outline Lighting
; T% p. h9 d6 _6 I4 R10-820 Bonding Conductor Size for Instrument Transformers# \0 ~' {$ e2 b; s5 j i6 H: J0 [
Grounding and Bonding Conductor Connections5 n+ R2 o/ M- }
10-902 Grounding Conduct Connection to Water Pipe Electrodes
6 k- s8 p6 U ^/ C% ?* D10-906 Bonding conductor connection to circuits and equipment$ l% z2 @, g& B1 t
10-908 Grounding Conductor Connection to Electrodes
* _& {3 h& k3 Q! A* D5 p2 xLightning Arresters. e' f! S4 D& m) A# h. \- {( c1 B
10-1000 Lightning Arresters on Secondary Services – 750V or Less- O" r* [5 q2 Y1 q3 B- D# s+ l
2 H& U* l( t' kSection 12 – Wiring Methods. H" j O" v8 F( K4 h; q
Scope' X! U: M! O6 H Y
12-000 Scope (Appendix B)5 P+ @$ W! V7 ]# r" f7 p- C+ E
General Requirement
9 a# R9 Q) k% P) N6 u4 A12-010 Wiring in Ducts and Plenum Chambers8 V! _! ^* e0 L& I$ x+ c; \
12-012 Underground Installations (Appendix B)/ I! `# y1 A7 K& r- J/ k! `( ~
12-016 Lightning Rod Conductors$ v$ O+ h0 q p! a4 E
Conductors - General4 D( S, z. Q# B" {9 ]
12-100 Types of Conductors (Appendix B) Table 193 w1 c( B I- h# @9 L
12-102 Thermoplastic-Insulated Conductors
5 @% n) C: h/ _8 D( l! O12-104 Flame Tested Coverings
& r& H% H* x9 c3 K' n12-106 Multi- and Single- Conductor Cables4 v3 b, u9 \2 [" X- C
12-108 Conductors in Parallel (Appendix B); @/ h* r; R. [* |
12-112 Conductor Joints and Splices
}& v; w" s: _- h% W* x/ @, I12-114 Ends of insulated conductors: g9 o. H# ]. \! r5 O
12-116 Termination of Conductors (Appendix B)
; k" a( q5 Q$ w% y% }1 o% E% J12-118 Termination and Splicing of Aluminum Conductors
% m {0 f3 I/ l12-120 Supporting of Conductors - Table 21
z- N6 W" e' q8 }4 _' D3 ~Open Wiring
3 E# Y& ?- y" O$ u* F2 R12-204 Spacing of Conductors2 G$ W; G1 B) |" h* x9 x" s) D5 C
12-206 Conductor Supports
6 W/ A+ l9 D. a0 [$ f% l y# \% v& \% i! M12-208 Conductors on Flat Surfaces
5 A k9 _4 h8 m, Q. }7 ^2 p4 J12-212 Protection from Mechanical Injury; r5 d E( f1 J8 K& x
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises% ^; B% a! f5 o$ o& b
12-308 Minimum Size of Overhead Conductors7 j" F: S7 ~2 R/ N
12-318 Use of Neutral Supported Cables
) o) q& I- s. C0 g7 MNonmetallic Sheathed Cable$ B/ |- q A: s; h2 Z& Z @
12-502 Maximum Voltage
$ E7 x6 ^. e% b0 P12-510 Running of cable between Boxes and Fittings (Appendix G)8 e% F, S# q# z! d4 h- M
12-514 Protection on joists and rafters
9 |% S% ~; r0 Z7 w0 p; d1 l12-516 Protection for Cable in Concealed Installations (Appendix G)
* l- M( E! p8 Y1 v) D; Q: T, Q12-522 Where Outlet Boxes Are Not Required) S# P q: i2 U$ d* k6 T
Armoured Cable) I! H8 Z! M( K1 Y" n4 k5 M
12-602 Use (Appendix B)) ]) S3 g$ [* Y/ y4 m
12-604 Protection for Armoured Cables in Lanes
/ ]5 D: R; g# V12-606 Use of Thermoplastic Covered Armoured Cable
, m! ] \" @7 d& O1 c. R12-608 Continuity of Armoured Cable
, q( T+ S& Q. N( i3 F12-610 Terminating Armoured Cable$ }. f( y6 L& n8 I
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
& e/ \% N7 u0 }: F, v12-614 Radii of Bends in Armoured Cables
* I; O$ E! ~! y |# K$ y+ i12-616 Concealed Armoured Cable Installation! @# F, Y, P Q$ d }$ B
12-618 Running of Cable between Boxes, Etc. i. f* w7 Z! A/ Z' G
Mineral-Insulated and Aluminum-Sheathed Cable7 t6 A# Z' s, p
12-702 Use
5 V+ ]; ^7 Q" A12-704 Use When Embedded( _) y! p( ?/ C8 `/ I* E
12-706 Method of Supporting/ O/ B9 y9 _/ I4 b6 i
12-708 Direct Earth Burial% d' ^! h3 Y& [& d
12-710 Mechanical Protection
7 ^3 u( C$ A k+ h) |& R$ D) W0 }12-712 Radii of Bends2 _3 `+ x3 G% z
12-714 Termination of Mineral-Insulated Cable (Appendix B)
4 m A* G# g6 z& x' A/ W9 ~; b12-716 Connection to Other Forms of Wiring$ \* a3 @6 v- a! ~8 {9 H
Flat Conductor Cable Type FCC
* T# T5 B3 B$ k! v12-804 Use Permitted$ } k. B. }* ^& L' r& ^
12-806 Use Prohibited
1 O2 j5 ?* E, f- p7 O1 g* ~+ K12-818 Anchoring" ?% r, M; v w$ o7 e1 E
12-820 Crossings' H0 C0 Q# S# L; K& B
Raceways - General8 U0 e3 u% c3 M! S: J
12-904 Conductors in Raceways p* p" s: J$ V7 s
12-906 Protection of Conductors at Ends of Raceways4 t$ k" h% V6 _' N9 F* n
12-908 Inserting Conductors in Raceways5 b5 k# X+ y7 K' Q: u$ Z" ~# Y
12-910 Joints or Splices Within Raceways' Z0 l( l8 A* W& ^1 ~% j
12-912 Stranding of Conductors
2 @! Y! V" q( e! e12-914 Electrical Continuity of Raceways( B7 I; C) }' S1 S+ k9 ?" i4 d: A% z
12-922 Radii of Bends in Raceways
- v6 L; p$ f! `' jN 12-922 Radii of Bends in Raceways Table 7( b0 [) c# c+ F- x
12-932 Protection for Raceways in Lanes
% p( w) | H1 L12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)- K" y+ f& E3 y. |% j9 m8 _( n
12-938 Capping of Unused Raceways
5 f" E1 s( X$ P2 c! k& M12-940 Maximum Number of Bends in Raceways* Q6 [6 t, B9 e: \" C" k
Rigid and Flexible Metal Conduit2 p# i- J0 q& v' ~2 W
12-1002 Use
% c0 h# K0 w8 Q4 [. G5 ?12-1004 Minimum Size of Conduits7 w- V8 s" w; u) |# `' Z' y
12-1006 Conduit Threads (Appendix B)2 ~( t+ _" X. p7 Y
12-1008 Thread Engagement/ }; \. x, ^, h* G! L; W
12-1010 Maximum Spacing of Conduit Supports3 ^8 Y) t& d3 j# S2 A
12-1012 Expansion and Contraction of Conduits (Appendix B)
% j8 ~! |! S8 G3 T9 r8 B12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 " ] f" R: m# ^8 I
Rigid PVC Conduit and Rigid HFT Conduit
! U4 C. U/ |$ p1 L& l12-1100 Use
9 t% o3 `0 x9 j* a9 F( g" H; C2 t12-1102 Restrictions on Use
* `9 O0 r( H; O& y9 {12-1104 Temperature Limitations (Appendix B)% ~8 z& z/ x$ {( x3 E
12-1108 Field Bends (Appendix B), (2)
6 |' ^2 V6 \9 P. v: J8 {4 X- ?/ `12-1110 Support of Luminaires
% k; E' ^4 G- o9 b6 Y% s12-1112 Fittings' m: K3 W6 r3 J7 F$ P- W
12-1114 Maximum Spacing of Conduit Supports* F' ^3 Z7 \$ V( h5 G
12-1116 Support of Equipment+ a w8 o8 e) `) A* d* _) u+ \0 o
12-1118 Expansion Joints (Appendix B example)
0 I/ R$ M1 u$ rRigid RTRC Conduit' H" X O+ L% X/ a9 D. X3 x
12-1210 Temperature Limitations
; Q8 w4 e. @ F) O% `12-1214 Expansion Joints (Appendix B)
# X( z9 a- L/ Q& {) j& O% z' L+ N9 {2 ~, hLiquid-Tight Flexible Conduit
3 p; e+ _) A4 D" e12-1302 Use of Liquid-Tight Flexible Conduit
' P1 h2 d1 X% T2 b* p6 e4 ^12-1304 Maximum Number of Conductors
$ e0 g" o8 n" W( k5 L/ \12-1306 Provisions for Bonding% r* z4 z/ t9 M' g4 `' j ^( O
Electrical Metallic Tubing, A: J2 Q! ~4 e7 Y
12-1402 Use
E4 A: Z, s7 u; O1 x8 r4 L12-1404 Supports
1 A* ]# z! M/ K, s3 w0 z( F. o6 w12-1406 Minimum Tubing Size
n, \+ v* {3 O; Z: h2 y+ G. Y12-1408 Maximum Number of Conductors6 l- T7 A( g5 W' r
12-1410 Connections and Couplings3 o% p5 l; w' P6 ^
12-1412 Radii of Bends in Tubing
+ R6 j- f: y6 |$ V* e7 X) B" H) GN Table 7
1 x/ w \; N2 `5 c/ S8 [; tElectrical Nonmetallic Tubing# P/ x/ u' v# }9 U5 A
12-1516 Provision for Bonding Continuity# m# |) L0 C1 {8 x% R
N 12-15142 z* L- m# r& ]; x' W
Surface Raceways
" K4 s m9 ?8 y. F2 S! r12-1602 Use of Surface Raceway (Appendix B)
; v2 m* w* O0 I/ i% k( A- g12-1604 Temperature Limitations( G: P; [7 q0 |$ A2 k- T
12-1606 Conductors in Surface Raceways (Appendix B), F& a4 n( t* ?3 s- Q
12-1608 Maximum Voltage
( A' U( A1 M. g/ s, B12-1610 Joints and splices
& F7 X1 i R. z1 U2 P% P$ V3 C. I9 qUnderfloor Raceways+ _/ n+ a- d H3 ]
12-1712 Discontinued Outlets in Underfloor Raceways. |& k% W$ l) u
Cellular Floors
* G P' @! e6 D# f12-1804 Maximum Conductor Size in Cellular Floor/ Z0 b% F6 e% |; I9 M* V
12-1820 Cellular floor discontinued outlets
- N% a# x4 V. Z) JAuxiliary Gutters
, x j3 ?: w0 A! `+ D12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces$ |" j: _) \. O1 I; S
12-1902 Auxiliary Gutter Supports7 W8 l v7 H! D2 P7 U( Y
12-1904 Auxiliary Gutter Cross-Sectional Area
% a3 Q9 U3 a4 `4 _8 YBusways and Splitters
$ C5 [- h) V. r0 o# x12-2004 AC Circuits in Busways and Splitters& I% Y, h/ B' L( V# f
12-2006 Busway and Splitter Supports
3 V) d. Q2 z V! {& G: Q" l$ C4 n' q12-2008 Method of Installation of Busways
# }; H5 [8 ~3 o3 ^5 ?% x12-2012 Reduction in Size of Busways6 z& B V& W U6 X0 q1 S7 v0 P; k- a. Y
12-2014 Length of Busways Used as Branch Circuits
" u0 U; [2 P6 {2 ^12-2018 Taps in Splitters
9 w7 O9 p9 j) O: `' A8 Z$ `Wireways
0 L5 i5 X! p' E0 m& B4 M* x- }& J12-2104 Conductors in Wireways8 Z% _+ ], K3 W E2 {$ T6 v4 ^
12-2106 Taps and Splices in Wireways
. k% ^" c2 e6 g8 M0 p8 y, \& L Cable Trays
+ s# W! u4 M5 @" q+ z7 m12-2200 Method of Installation (Appendix B); K' ]+ [6 K& L3 `$ Q3 \) h
12-2204 Joints and Splices Within Cable Trays
" A7 W7 R$ z. n1 N8 d0 N6 g D& j12-2208 Provisions for Bonding
* E2 C5 u9 F% B7 ]9 k12-2210 Ampacities of Conductors in Cable Trays
% A- K2 M0 E' v3 qInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings3 r0 L" i6 j/ v6 b$ T
12-3000 Maximum Number of Outlets Per Circuit+ ?$ i# N. p, ]: k1 g4 ^8 g% m
N 8-304) L4 Q4 @/ `4 @& A
12-3002 Outlet Boxes (Appendix B)
! N; @. ?; d% zN 12-3000
* `+ O) T+ o* t; Q/ Q12-3004 Outlet Box Covers
, T# A, M6 c: N4 S( rN 12-3002
' O$ n7 A% b! ~2 T( k12-3010 Boxes in Concrete Construction; v4 m# m6 ^9 ~2 {- z3 {
N 12-3008
, k4 r# C6 C) L/ {, v) R5 J12-3012 Outlet Box Supports1 M3 B2 f* q G: j
N 12-30108 k% l! J8 Y1 C# c3 R' W
12-3016 Accessibility of Junction Boxes
, {- n V f$ d5 [7 QN 12-3014
9 s% c/ k1 S( y# O, T0 O12-3018 Flush Boxes, cabinets, and Fittings
X& `! u: t6 k# x7 TN 12-3016( X5 r! n+ L4 Z5 [ ]/ C. D
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
2 b, W* R/ z: [6 W7 t% rN 12-3022" i2 i2 m2 O. S! J$ D
12-3036 Maximum Number of conductors in a Box - Table 23
% }& Y9 J9 X7 E* jN 12-3034! Z# o' F4 r+ z2 c: L2 Z
12-3038 Pull Box or Junction box Sizes
+ {" G+ W& f% @- g* MN 12-3036
' D9 d1 e7 {0 [. U. G* r* o/ g9 I) k7 C" a
Section 14 Protection and Control& v7 W3 n" h0 G# q$ ^ \2 Y
General Requirement
% w% I7 E, z( ]3 R) t6 R* {1 O0 O14-010 Protective and Control Devices Required
, S" h/ H! x) F7 P( B/ S( L8 a14-016 Connection of Devices' B1 s! X0 Q6 d* M$ [: x
Protective Devices – General
& t; {5 A% R; [ 14-100 Overcurrent Devices Required
8 Z0 ^1 Q& B. Q9 Y) s2 q* n3 ?14-102 Ground Fault Protection (Appendix B) r2 ^: A2 v6 [0 D+ c" N
14-104 Rating of Overcurrent Devices (Appendix B) Table 13, P" x( k2 b6 ]% z
14-112 Overcurrent Devices in Parallel
' s" f d- Z) L6 W8 hFuses
4 H" `1 J: X; Q2 @# d0 K7 G14-200 Time-Delay and Low-Melting Point Fuses
7 x) D' X* P$ A3 u" J3 R14-202 Use of Plug Fuses/ g4 M a' m: u7 w6 h+ J; d
14-208 Rating of Fuses4 O. z% y3 X5 s1 q! g
14-212 Use of Fuses (Appendix B)
7 X5 I, [( I# DCircuit Breakers5 B* p3 [+ T+ Y+ S& j: W/ M5 w4 I
14-300 Circuit Breakers, General
8 t+ [: _6 J; K0 A" ]- G- p14-306 Tripping Elements for Circuit Breakers# o. d8 Q2 e7 ]7 N& O
14-308 Battery Control Power for Circuit Breakers
# c- _) ]) y; k/ zControl Devices - General. [7 J- l7 D' x# l. Z# q
14-402 Disconnecting Means Required for Fused Circuits
$ A! r3 Z8 w4 n% YControl Devices - Switches) _5 W6 o4 S9 v: c3 P
14-502 Mounting of knife Switches0 E/ _* ]3 c/ W7 H5 b
14-504 Maximum Rating of Switches( M' W. S" R0 P4 y6 ^6 u
14-508 Rating of General-Use AC/DC Switches (Appendix B)
% K7 E1 t! e9 q/ I2 s, a14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
2 X0 x) K, Z8 s$ CSolid State Devices5 I; `4 Y6 Q, ?* l# u Q
14-700 Restriction of Use
/ c9 \5 {6 K }# I! @6 Q14-702 Disconnecting Means Required, w- j1 w" B5 T7 b' a% J0 K
O4 y) S: r, c% X7 w1 `
Section 16 Class 1 and Class 2 Circuits: s2 k. U# \8 w8 R
General
O& _7 C9 O. v$ l2 y; [2 ]16-004 Class 1 Extra-Low-Voltage Power Circuits6 W5 A" {3 R+ v7 s/ Q
16-006 Class 2 Low-Energy Power Circuits
) [' A4 J+ t! U( S6 D+ K4 M16-012 Circuits in Communication Cables$ Q3 L" @) l' W n: \- ]
Class 1 Circuits
' ~- g6 _ A: k9 ?! Y16-100 Limitation of Class 1 Circuits
L3 ?+ _% K) m* L- L16-104 Overcurrent Protection of Class 1 Circuits
1 ^! B* x7 i- r6 ^16-106 Location of Overcurrent Devices in Class 1 Circuits
! U% k8 J9 x: P! Q' P6 b2 e16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
4 f( @" ?7 F; M* N8 Q. {2 \' ?. {16-110 Conductor Material and Sizes$ h5 _6 v. ~$ @7 o6 s& I) C
16-112 Insulated Conductors for Class 1 Wiring
" z0 A- x* b# v5 H4 O& p& V4 ^/ l6 ^Class 2 Circuits
5 N/ `0 J2 i9 e e; {5 C16-200 Limitations of Class 2 Circuits (Appendix B)
' m4 L1 i0 \0 T5 L$ z, g16-204 Marking, X1 F) `9 W7 K' B5 f/ P) x
16-206 Overcurrent Protection for Class 2 Circuits" O" S" I) i) y
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
- e* [9 _5 Y8 W5 {8 jELC: extra-low-voltage cable
" U. j" }" W+ _2 W' n7 ~9 i. m. h16-212 Separation of Class 2 Circuit Conductors from Other Circuits
9 c! T9 T1 Y5 ]
k9 i7 n/ }6 h/ t6 YSection 18 Hazardous Locations
$ ]. y. e$ w- R. c$ lScope and Introduction. t- w6 w- m6 |9 M9 c
18-004 Classification6 O+ q: Q; q- y0 G5 U) r3 w% P
18-006 Division of Class I Locations (Appendices B and J)5 F4 a8 A k( Q3 s0 p3 a1 i
18-008 Division of Class II Locations (Appendix B)
0 `1 ?0 y' M6 W6 R18-010 Division of Class III Locations (Appendix B)% O( [, N; ]- {. ~
General
. f7 v5 Y( h0 o" s2 z" m18-062 Metal-Covered Cable (Appendix B)
6 E. Y! t/ w, @0 C+ U3 vInstallations in Class 1, Zone 1 Location
$ {2 n0 d; |. f! k' [/ N18-108 Sealing, Class I, Zone I (Appendix B)) J8 k; `4 i' [' h& ^
7 |: T+ o- o7 ~( X1 Q0 G2 g' U: X
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
+ b/ g* U& m1 ?- w" N+ [" zGasoline Dispensing and Service Stations; c* L8 N$ a- g+ p: o" B
20-002 General/ R/ v5 \ H! E
20-004 Hazardous Area (Appendix B)
& J7 D% F, ` s4 S8 o. nPropane Dispensing, Container Filling, and Storage
7 X& k3 h% C- p; C- s1 Z20-034 Hazardous Areas - Table 63
: F$ _4 \0 g+ ^! e' _Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities0 g1 k8 ?3 I; g8 ^" O. K
20-062 Hazardous Areas8 z) e8 [# y0 P, M
Commercial Garages – Repairs and Storage+ z' Q0 t2 |! L- [, h
20-100 Scope4 j4 e. q6 e9 m
20-102 Hazardous Areas (1)
7 I* _( ?: V: ~2 P; I( @* a9 i6 ` [
Section 24 Patient Care Areas
+ q8 C% }4 O3 o24-000 Scope (Appendix B)
& [4 i8 r1 f: M8 L9 ?( Y/ y: k24-002 Special Terminology (Appendix B)' E$ s5 F+ k' o! C- L/ r/ ], s% d
Patient care area% x% w+ H4 K% p, _( }9 p# G" c
Patient Care Areas
6 _' h+ P: p* H1 k2 B24-106 Receptacles in Basic Care Areas (Appendix B) ^" d2 C) K# r9 Y3 Y/ M. ] H
Isolated Systems4 ]: [, Q1 j7 p# A" m$ G/ d- z
24-204 Single-Phase Isolated Circuits (Appendix B)" S6 l- z. ?& e9 E6 k' M* P
24-206
2 N' j6 o0 i5 R3 R9 E/ t
3 E; J, b7 B1 ?5 C. L0 oSection 26 Installation of Electrical Equipment
8 ?6 ]% u$ W& y0 dGeneral. {$ T# F2 X; ?4 N1 z8 G2 L8 t
26-004 Equipment Over Combustible Surfaces (Appendix B) l; R! d1 m6 C
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)+ U7 x3 o5 y+ Q
Isolating Switches8 s7 `$ K G4 F b; @+ {2 Y
26-100 Location of Isolating Switches( s. G9 U' I R! K
Capacitors {" }# |4 c) m* S$ s! u& c
26-204 Guarding of Capacitors! h# b! f( x: V9 j9 w' g, P$ U
26-206 Grounding of Capacitors
4 l* J8 t1 _( f7 i2 y) Z2 Z1 I; J26-208 Conductor Size for Capacitors1 h& |0 O# B% W) P2 M4 h
26-210 Overcurrent Protection (Appendix B): Y) n1 I# [& ]9 i7 M- i9 u$ q3 L% w
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
7 E6 v9 y2 L) S5 D26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits% i7 B# m- p I
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
- L* I/ a0 b; m) _8 M) V' L26-218 Special Provisions for Motor Circuit Capacitors4 N9 H" w" F, \8 L) g7 c
26-222 Drainage of Stored Charge of Capacitors/ j5 G" v& @0 A
Transformers9 l1 O. k1 S9 _( S+ L5 O
26-240 Transformers, General. g# U, l T: X4 u
26-242 Outdoor Transformer Installations
, S9 I9 y/ l" u" Q8 {$ m; w26-244 Transformers, Mounted on Roofs (Appendix B), p0 u/ ~+ P) m, a, I5 Y" ?
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)1 K0 r8 _& i4 d0 Q( R1 M
26-248 Dry-Core, Open-Ventilated Type Transformers
, D8 k( O3 t, k5 e/ Q" e26-250 Disconnecting Means for Transformers
1 O5 x5 a. t, r# A( Q) W2 l: U26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
- Q# }) c% k4 x* S26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
1 o3 I& c" Y! O6 _$ ?26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
8 D2 J9 D& F8 ~, E" i3 A* x) k1 `26-258 Conductor Size for Transformers4 K' Y, X3 D8 ?3 U, Q& W
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B); L+ l/ u2 O ?7 B
26-262 Marking of Transformers
& C2 r( `$ H9 ^ W) t26-264 Auto-Transformers
. M! z3 a7 `' U; H* E' vFences- U8 R/ O1 E3 L( L# J4 v
26-302 Clearance of Equipment - Table 333 {$ O; S8 L# F& Z* b% Y9 _3 Y
Panelboards1 I6 l: g& v- U) @
26-400 Panelboards in Dwelling Units (Appendix B)
! b _+ \0 W# o8 j: ]: {" _( i26-402 Location of Panelboards (Appendix G)7 Q4 E S/ L( e p1 t C
Lightning Arresters- J: `3 Z) \9 A
26-508 Connection of Lightning Arresters9 _* A! Q; I7 d1 V0 n1 T! g4 [
Storage Batteries
5 q; M; m, H* C b" ~5 ]26-542 Special Terminology
9 C) n6 m& F8 D9 x26-550 Battery Installation6 S2 [. |. ~$ \! I/ \
26-552 Wiring to Batteries
5 `/ d$ K9 @0 {" f' }8 Z& ]% L9 wArc Lamps
& Q: A9 G4 b+ }' ?1 ?' |26-600 Location of Arc Lamps
/ b+ v7 h1 L. V* e& c# h) H, S26-602 Conductors to Arc Lamps( j5 Q; J2 g4 X3 N$ p j
26-608 Globes and Spark Arresters
9 U# u [+ f3 o. CReceptacles- N4 }6 O6 l2 `3 E2 U7 r1 l
26-700 General (Appendix B)
+ h( f8 K1 b) [1 r# |: }* ^26-702 Receptacles Exposed to the Weather9 e0 j5 O# @ }" Z' A, Q
Receptacles in Residential Occupancies
/ e+ j3 j' H6 E26-710 General (Appendices B and G)
* E, k; o, s( ^2 k26-712 Receptacles in Dwelling Units (Appendices B and G), S( P! U) b' O6 i% C" t
26-714 Receptacles in Single Dwellings (Appendices B and G)" t( S9 z" E* u1 q
Branch Circuits in Residential Occupancies
7 g! d: r' p& V( I26-720 General
, p$ ]% [# q. d, l26-722 Branch Circuits in Dwelling Units
. t/ ~# D4 W/ K26-724 Branch Circuits in Single Dwellings$ z# i: ]' A4 H( e; j
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)5 V0 u* H) W1 N1 s' v; e" h
N 26-720 (F)
( l" C) N/ U) Z0 UElectric Heating and Cooking Appliances1 D4 Y! y, f% u% V" V. }
26-744 Supply connections for Appliances
& K( o; m% s j' {26-750 Installation of Storage-Tank Water Heaters' @) g* K9 a2 Y% V
26-752 Infrared Drying Lamps5 b+ P7 ]1 j$ {6 i
5 H1 r* k T( K/ t- dSection 28 Motors and Generators6 d! y; X; h5 p& A! D
General: b* }! n! E s4 g; X8 K# u$ q+ Y' x
28-010 Special Terminology& i% P# d$ U, T9 d9 A
Hermetic refrigerant motor compressor
/ _ K$ p/ m+ n( qLocked rotor current rating* J( x, Q7 s+ R4 @
Service Factor
1 k+ u7 p7 u$ G6 MTable 44; Table 45; Table-D2
% V( W6 |# X3 S5 GWiring Methods and Conductors
' x3 M( _( k# g/ e28-102 Portable Motors- Q# ? }+ r; L
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
2 m! E9 @0 r5 P! o28-106 Conductors, Individual Motors! T: N$ t( B1 t5 y! A; `
28-108 Conductors, Two or More Motors
* F) F2 C0 N {- Q, s$ j- d28-110 Feeder Conductors
# m" V+ A) w3 O/ |9 o3 O28-112 Secondary Conductors+ g( L4 c& m# P& } N5 A3 }- u8 z1 R
Overcurrent Protection- m5 `& _9 W2 n/ t3 E( ]
28-200 Branch Circuit Overcurrent Protection
8 j/ ^- b5 x, W7 ]28-204 Feeder Overcurrent Protection
- g. g8 `1 u, h: `& m4 B. r: B9 Q28-206 Grouping of Motors on a Single Branch Circuit% T$ c6 D; C% f2 U, b( S3 n1 Z, I
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)6 j7 u7 d8 G: S- r1 d4 `
Overload and Overheating Protection& {/ E- ?2 G' I# ^9 t
28-302 Types of Overload Protection
4 M" u4 O2 h9 q9 S. l28-304 Number and Location of Overload Devices (Appendix B) Table 25
( \0 x/ Y; j; p4 E6 z28-306 Rating or Trip Selection of Overload Devices (Appendix B)
2 ]2 p% Y% X) A; u28-308 Overload Protection Not Required
& \; k; A7 W0 ?% N1 t3 O4 eUndervoltage Protection
8 o0 ]: U2 e) |% o4 z28-400 Undervoltage Protection Required for Motors (Appendix B)
( H8 B! u+ H& P- D d5 `+ ?4 DControl
/ s6 l8 m# k1 }28-500 Control Required* S5 M0 p4 K" d6 C5 Z: }' e$ Y
28-502 Control Location
( f. x! {! z' ~) i4 M* ^# B28-504 Starters Having Different Starting and Running Position
) r0 S7 U- G* q28-506 Grounded Control Circuit$ s0 @$ U3 B: K3 T0 v; M( {% m
Disconnecting Means
$ E% |6 G B. f B28-600 Disconnecting Means Required- j3 S0 X; y1 A- j. f! `1 m+ V; W3 M
28-602 Types and Ratings of disconnecting Means (Appendix B). I- r0 h4 S# k% h' ?
28-604 Location of Disconnecting Means" @) C8 D t& U9 G6 x6 k/ E
Hermetic Refrigerant Motor-Compressors
% _: i% M! l" \/ U7 Q: k e( ^28-706 Conductor Ampacity
2 Z( M9 C' q D* e$ `6 X28-708 Overcurrent Protection
9 q( T& [8 }. \& o {28-714 Disconnecting Means$ c- p5 b* i; ^' j& F/ E. ~
Protection and Control of Generators3 L/ m6 G# j% c1 z
28-900 Disconnecting Means Required for Generators/ q& W% C& S& E( P3 x! x( ], `5 C
28-902 Protection of Constant-Voltage Generators, ]( ^: k5 W4 _
28-904 Generator Not Driven by Electricity
0 \' X) O0 b: v* @4 K( v! d28-906 Balancer sets' h" ?! i4 U6 n6 I
28-908 Three-Wire Direct-Current Generators' q+ G, J* O2 H% r) v s
/ \4 U$ [: X( K7 G
Section 30 Installation of Lighting Equipment' E8 e5 C Y7 j- N8 E& c& ^
30-002 Special Terminology (Appendix B)
& E6 Y6 b+ ~5 u# ^4 KGeneral
/ S: s Y' \* e) l30-102 Voltage/ A, T2 L* z/ ?; P0 X
30-104 Protection (Appendix B)
; ]3 u2 U- k5 W* T30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
: ?8 T" \/ P% Q- _: L30-108 Polarization of Luminaires
]8 a5 N4 Y6 H. [' L s( B30-110 Bonding of Lighting Equipment; @! o. [% v) F$ \: D5 R& k
Location of Lighting Equipment
8 L* ^0 K0 j( ]# U+ ?/ G30-200 Near or Over Combustible Material
! {& K+ D3 x( o+ M: l30-202 In Show Windows
- r1 Y3 {% @. Z, i30-204 In Clothes Closets* f+ F3 E7 d% s5 n5 @
Installation of Lighting Equipment- I3 W5 k2 b! G- B
30-302 Support
# b U% a' L: k6 L6 ]1 s% y30-304 Outlet Boxes to be Covered
2 F4 Z4 N4 \: O4 Y9 @/ n' \, q& @30-308 Circuit Connections
9 e* s7 `( i; ]) ?; B30-310 Luminaire as a Raceway
% u4 k" T: B1 }2 n3 `, x3 N' O30-314 Minimum Height of Low Luminaires
# S' N0 \2 e$ z; n" O7 m: L( H30-316 Luminaires Exposed to Flying Objects% ~7 c: {2 m6 e0 O; Y* v# M+ T
30-320 Luminaires in Damp or Wet Locations
9 ^8 P8 y* y) r4 b. D) C' C9 ^0 t: CN 30-3184 x; H9 ^$ v& s/ V7 |% I! ~7 h6 x x
Wiring of Lighting Equipment3 C$ g1 x% N+ G3 k) n1 ^5 k
30-400 Wiring of Luminaires4 X. E& p$ m* [
30-402 Colour Coding
3 B, {) T9 h0 _0 z, k30-404 Conductor Insulation
) j; \7 u4 Z" g9 t) F0 i" m30-406 Conductors on Movable Parts& q/ E8 B! i/ F4 E) t# s
30-408 Wiring of Ceiling Outlet Boxes
( b6 J1 e( s' B9 Y30-410 Wiring of Show Window Luminaires/ g3 [! j- a3 N3 |
30-412 Tap Connection Conductors7 U% @: x2 A! d" k4 X7 v$ F( a( B
Luminaires in buildings of Residential Occupancy
; W) j: z: e* }/ H9 b4 k30-500 Lighting Equipment at Entrances (Appendix G)
9 b" Q3 S& G# H7 ]30-502 Luminaires in Dwelling Units (Appendix G)
4 `) k: s7 @, B) \% H2 k8 O30-504 Stairways (Appendix G)1 e7 B& z* G t) S; z( [
30-506 Basements (Appendix G)
0 O; E! D# p. S$ y8 x30-508 Storage Rooms (Appendix G)
9 w2 o% k! e3 s" A* ]! V30-510 Garages and Carports (Appendix G)
1 x( P$ Y! N3 G- L, tLampholders) \; t7 ^* `7 B! J1 R
30-600 Lampholder rating with Incandescent Lamps4 a, L* D6 v( R9 k! ^- @
N CANCEL1 z' t4 m+ |8 G$ Q' h/ u1 q, i
30-602 Connections to Lampholders; Y, A% S. H N6 M
N 30-600
: k0 g) o2 o8 N! c/ S, ^ X2 |30-604 Switched Lampholders Used on Unidentified Circuits
, r1 M8 N M: b* dN 30-602
9 m% o9 w% F* x) C7 L30-606 Switched Lampholders with Pull-Type Mechanisms8 G8 [0 E1 Z7 C, j( Y; R/ ^( V
N 30-6040 M. Y) ?; O; g8 v/ @5 v
30-610 Pendant Lampholders
0 Z$ ?0 U' i# r( L( [0 }N 30-608 P3 J9 f1 u) G" \
Electric-Discharge Lighting Systems Operating at 1000V or Less A% d {! F) |
30-710 Control (Appendix B)
9 L/ B: O! J* x30-712 Branch Circuit Capacity
' ~6 V) N8 u/ F+ E# x- r$ pElectric-Discharge Lighting Systems Operating at More Than 1000V1 U% H1 i* v# q6 v2 ]" b+ B
30-802 Voltages, Dwelling Units. n- ^) C2 k# S0 A
30-804 control (Appendix B); h: u. Q6 {$ M
Recessed Luminaires (Appendix G)
- J1 y R" n: a# |30-902 Spacings for Non-IC Type Luminaires
- k$ @8 f) K B ~30-910 Wiring of Recessed Luminaires (Appendix B)
* ]" P9 \ `% } j9 cExposed Wiring for Permanent Outdoor Lighting
4 L4 p7 [* S3 q/ w30-1120 Branch Circuit Loading and Protection' p& h* [5 H* P* K. B; E8 F
Extra-Low-Voltage Lighting Systems
1 B% E0 C/ n( F: H30-1202 Sources of Supply
0 t' O' b9 f8 u ]. z' [; U) I$ {
; N- u7 t9 Z) t" u: L. V \Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)% A8 w7 y, h& m- |% z
Fire Alarm Systems6 R5 ^, h S% @5 f
32-100 Conductors7 T" K9 w7 c( a: F2 e
32-102 Wiring Method3 f, T/ E. V w+ h4 c: F w: Y5 H+ e
32-104 Equipment Bonding
8 n) m$ h/ E; x. U) s- ~( Z) L" ^32-106 Electrical Supervision
8 V% G: g5 m: _32-108 Current Supply+ l1 L3 G4 s. d9 F7 g
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
( P/ I, N# h% t i3 A+ M: B( `Fire Pumps3 P. W7 K6 m9 E) Q
32-208 Overcurrent Protection (Appendix B)
! W1 g) p! T2 ? c& R$ E* p! d/ ^N 32-206
0 ?+ |* u" Q4 _: d32-210 Overload and Overheating Protection (Appendix B)) K, s9 O# R! d$ T" g) `" b2 W
32-212 Ground Fault Circuit Interrupter (Appendix B)
) N1 A5 T; \6 ~. D. Q
- H" [3 d* e' g# ~) L# HSection 36 High-Voltage Installations5 m8 N. z: d# V6 u i. Q/ T
General
1 K, H. I1 T! K/ H/ \- d' D) i36-000 Scope (Appendix B)* N! h0 A) }8 M
36-006 Warning Notices" z6 {% y( J( M' N7 v1 D2 H( z" m' N
Wiring Methods
& k* e5 f8 \3 C R36-102 Radii of Bends
- j" v+ V( w1 m; Y/ _3 t36-104 Shielding of thermoset insulated conductors0 V! \$ G: |+ x7 F1 t) O8 r
36-108 Spacing of Exposed Conductors (1) table 30, table 31& D' B8 E4 { w& t" g: Y: @
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
- S4 Q3 D- ~/ x3 t) Y- J9 fControl and Protective Equipment4 J1 o2 r/ x0 ^+ C& r1 o
36-214 Disconnecting Means, \7 c% x, N' l( k
Grounding and Bonding
! W. \3 P4 B0 j" L9 F* F36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
, c% v2 p5 F' @36-302 Station Ground Electrode (Appendix B) s$ I; b: j# | i
36-304 Station Ground Resistance (Appendix B)/ ]9 w6 e9 ?0 y9 A. ? o
36-308 Connections to the Station Ground Electrode (Appendix B)* W8 K. j- r' i" [ Z2 p# y
36-310 Gang-Operated Switch Handle Grounds$ q' F% ?8 _1 e& b2 `
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
0 W2 r4 ?! ?6 t' D& N, w6 C: @, W2 Z, M$ U% t0 K( H2 z6 @
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment2 F2 \/ d! w! u' G. s5 P
38-002 Special Terminology (Appendix B)
6 X' A/ f' y3 z$ t& m/ e j38-003 Voltage Limitations (Appendix B)
# U$ p2 X( p @! [+ [( X. W38-004 Live Parts Enclosed
5 B5 ~3 k9 N3 O6 k9 `3 d38-005 Working Clearances/ l. f6 V! n1 ]! g2 P
38-011 Insulation and Types of Conductors
8 t, C& F6 y5 F9 K) ~3 \) c38-012 Minimum Size of Conductors4 U* j7 y# w1 J$ @) S1 J# w
a" T* s5 t; s& L4 l
Section 40 Electric Cranes and Hoists& m# q+ v+ A7 P/ e/ A
40-008 Disconnecting Means
3 T# V6 n K1 q$ a) w$ F40-010 Main Contact Conductors
: @: \7 M+ ~. _7 h+ l$ o. t. S# {6 {# V9 u6 Q
Section 42 Electric Welders& ?: ?0 w0 i2 F1 j( [2 W: }+ E/ F
Transformer Arc Welders
! e7 ]9 S" j1 m% d6 Z: \) N42-006 Supply Conductors
4 N5 d J( U& E, z6 ~
" {. o- ]& E% M+ y+ XSection 44: Theatre Installations
" I: ~# j( m7 t+ P: ^General4 K! W( l& D- L& j6 w
44-104 Number of Conductors in Raceways8 }) Y) l: b7 {
44-106 Aisle Lights in Moving Picture Theatres
6 Q" d: V7 e% G U. J5 fFixed Stage Switchboards
9 ]7 G5 Z8 ?; W: R. [& j; ~( p) P& ^44-210 Overcurrent Protection
6 V2 ]: ]9 A1 v5 T q2 PFixed Stage Equipment9 F, C7 [7 e# Y! h2 p! M. R4 n
44-324 Receptacles in Gallery Pockets
8 n8 u! F8 F8 j5 h& I44-326 Receptacles and Plugs; C9 Q9 c$ v* R0 W# z
9 f$ @0 }& I+ B+ _ E0 kSection 46 Emergency Systems, Unit Equipment, and Exit Signs
8 E7 h9 i C2 s$ B. O' ^General$ `! ], R2 D9 E/ I
46-102 Instructions
p( G$ n& s) P: p: B( ?) o6 s- b- Z46-108 Method of Wiring (Appendices B and G)
K! c) V8 w7 @$ k! ^% WEmergency Systems
$ }* x: H/ V/ A' m: d46-202 Supply (Appendix G)
) \% Q, T# W( T( O46-204 Control# l$ [9 p- X! V( a
46-206 Overcurrent Protection
: B; D( P' |& e46-210 Remote Lamps
% y5 T* b0 h0 i' m: J/ KUnit Equipment2 @8 L1 C. N5 \. x3 C
46-304 Supply Connections& k+ [4 Z8 z1 U& b" S2 B
46-306 Remote Lamps (Appendix B)
8 s! l. E: a3 v: s* R& WExit Signs5 P! [$ L7 N; }0 x) `- |: T
46-400 Exit Signs (Appendix B and G)
7 W9 ]6 y( k+ H. n! p! Y6 X, D* @% x; q9 h/ c% P# D- K8 Z
Section 54 Community Antenna Distribution and Radio and Television Installations
4 U. O* o9 u& s! _9 B9 @$ t8 l54-000 Scope
+ L W) U" R5 l: Q- T# e3 f54-004 Community Antenna Distribution (Appendix B). b5 v, m6 O/ e) z
Community Antenna distribution
5 j& A& G U3 C; b. j+ j/ `54-100 Conductors: | Q3 \3 n" C$ H9 [) S/ n
54-102 Voltage and Current Limitations (Appendix B), ?0 X, D( o; n3 k5 a
Protection
2 m9 U1 z, ]; u54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
% q0 @6 F5 u4 E6 UGrounding7 f, l$ D# R0 N8 T
54-300 Grounding Conductor( d9 ?: L& G! _8 D" E0 I
Conductors Within Buildings6 }& q9 e+ c) n
54-400 Separation from Other Conductors
8 ?/ C( g; |5 H4 J: EEquipment: F. ]+ |- @4 L- M
54-500 Community Antenna Distribution Amplifiers and Other Power Sources4 w1 [; \+ B e
54-502 Exposed Equipment and Terminations
0 \; N2 i1 ?4 L2 u& y
) D# d6 C G* q6 G B V" ~2 [Section 56 Optical Fiber Cables
$ }0 |3 |6 x- C) U% W* RGeneral( {0 j* t. O) d2 d' e+ m
56-100 Special Terminology
5 \" D/ u7 G$ d( {% P) S56-102 Types
" Q/ s1 ^5 h+ H+ P: t7 c2 D+ O, DInstallation Methods2 ?% M* L+ g/ t
56-200 Nonconductive Optical Fiber Cables (Appendix B), I$ M8 S6 c! G( S5 h3 V1 e
56-202 Conductive Optical Fiber Cables (Appendix B)1 n$ q& M/ l' ~. l2 k5 L( D) q
56-204 Hybrid Cables
# l; G, _! g% o3 M) T1 l6 o56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)) i7 X4 L! a5 Q6 S+ A
/ C+ i7 A/ Q6 I( }
Section 60 Electrical Communication Systems7 i* P' }* ^7 x! c* ^7 z1 K
General& C4 W/ Q" M' v$ F- }
60-100 Special Terminology9 A- h1 E( r, I7 h7 k8 d' e7 t
Protection: s# x- m" b6 C
60-202 Primary Protector Requirements$ s2 L, t& ~0 H8 j% p
Inside Conductors
6 {( J7 i% q: g3 s( E' n60-308 Separation from Other Conductors
: d& `5 H8 M4 `6 n/ Q: a, i5 CEquipment7 V3 m+ T8 I2 `! ]
60-404 Exposed Equipment and Terminations' H9 L: R" Y) U' ?5 ]+ r
Underground Circuits
6 v, j+ J' N/ k$ O y c7 Y60-600 Direct Buried Systems" B5 ?3 }( \8 n7 u
4 J5 ]' {& H' V3 t$ A$ r, I ~- w8 NSection 62 Fixed Electric Space and Surface Heating Systems- E# \% X3 ?' P0 M& f6 v
General8 R# V* f6 {$ }5 b3 A, H m7 i
62-102 Special Terminology3 C* F, s6 D% N" _' J) W
62-108 Branch Circuits
, }( _6 {) S: l; l! F62-110 Installation of Fixtures
7 G" d% R2 \$ Y, x" ?1 }( O62-114 Overcurrent Protection and Grouping (Appendix B) (5)
' o; I( t5 l6 [" X8 K. y6 u! O! d62-116 Demand Factors for Service Conductors and Feeders (2)" ~7 U6 U4 @! S. r" x
62-118 Temperature Control Devices
7 S u' D ]( k. ?+ u: J" u2 d5 n' G62-122 Installation of Series Heating Cable Sets (4)(7)
, r6 E) h5 Z% M, J& FElectric Space Heating Systems5 ~% N1 D) A& b* Q
62-202 Temperature Control2 |3 y% u3 d6 H+ g T
62-206 Proximity of Other Wiring (Appendix B)
/ g" L7 [3 p( c; g62-214 Installation of Heating Panels and Heating Panel Sets0 f7 X* j& A4 O$ u" h6 a
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings, ~0 E8 _% _/ c
62-226 Installation of Under-Floor Covering Heating Panel Sets) U4 F0 @$ Q( {
Electric Surface Heating Systems" r/ @* G8 P F) ?. c' L) Q
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface0 J* n0 O4 `8 {* I, T
% [, m, y' Y1 ~/ t6 I
Section 68 Pools, Tubs, and Spas
6 g8 ?( L$ J, h9 ]4 \6 wGeneral
" F0 x, x: v: j9 F68-050 Special Terminology( w5 V0 U5 v6 F# e# l. f
68-056 Underground Wiring - Table 61) Y: ?8 Z9 p7 r3 O- A j
68-058 Bonding to Ground (Appendix B)6 V" J0 G/ ~4 e
68-060 Junction and Deck Boxes (Appendix B)
* T: n3 I5 W0 D68-064 Receptacles
9 U* x7 @) x% Y j7 e; W0 s68-066 Luminaires and Lighting Equipment
) E) n$ V! H4 q68-068 Ground Fault Circuit Interrupters (Appendix B)
% K4 }6 f" A3 g; y( W- z6 c! q" r; S9 E( r A2 V6 p! T8 {9 j
Section 70 — Electrical requirements for factory-built relocatable structures and ! C2 U$ a( G; R- G! _* m
non-relocatable structures
3 b8 r) e6 C7 x3 R" X70-130 Tests (see Appendix B)
% e4 D3 ?! r/ J8 p# A& L! Z7 D9 |0 ~7 D; C$ O ]' O z/ G
Section 76 Temporary Wiring (Appendix G)
' Q: ~% Y, p# T% ]3 U76-004 Grounding+ f- z, z+ E/ ^4 G5 y
76-008 Service Entrance Equipment
! U3 @) M* n" U2 Q, |) X: n2 [N 76-006- T6 {: w/ p$ f1 \; O" k) H% z
76-014 Branch Circuits! |7 }- v2 a" J/ W; O$ z
N 76-012
* |2 X) w+ n, }& @! `& V/ Z! f
( q+ h1 @, w1 wSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours/ H w% \; ]6 w2 P2 g# `
Marinas and Yacht Clubs
! h9 h% b" G7 E. k1 k; ^78-052 Receptacles
# l1 C+ N8 y2 a8 W+ f5 Y78-056 Feeders and Services
q$ x! M* l. d# I' DMarine Wharves, Structures, and Fishing Harbours" L9 b: Q+ `; d% A6 m/ W
78-106 Grounding and Bonding
R7 _3 _) N* C3 GTables# v. I! L( O- C4 _
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65" }0 a# U4 c4 g- q9 o
9 c G# ?/ ^3 p1 r' `
Diagrams: 1, 2, 7' Q2 _7 k! M# f/ r7 N
0 a6 q% {! H, H3 L9 g- {
Appendix B
, g! m9 u' i) x s4 VP352: Ground fault circuit interrupter- 6mA
+ V5 l+ M. u( yP354: 2-126 FT1, FT4
5 W6 M1 Q! d$ ?6 u% I' RP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
% O/ V D) v4 {. t& m5 q1 pP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
y \) g( p+ p& uP370: 12-1012, 1118, 1214 Example:
6 A: G+ d! M; ?2 Y' x9 RP371: 12-1108. H$ f; R& H& t- O
P381: 18-108(1)(b), 18-158(1)(b)
/ J" N/ {/ h3 [P386: 24-206
, h2 m6 }4 S; ~P389: 26-256
9 W1 d3 w& o0 |3 EP391-P393: Section 28, Example to determine Motor Conductors and Protection
* z7 f: y" d$ u: A& k$ o
$ E. ^) @9 J% I- ~' s# g2 RAppendix D6 d7 U# ?7 q+ E w$ D( L9 D, V0 ^* a
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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