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Canadian Electrical Code Review Guide* X" n# q0 W. Y" v8 u
For the Exam of Electrician For Red Seal License
W# e( l* i9 G0 X0 R$ t
$ n" ?! R( r% q) gLesson One5 T6 F; x) J* I& x; Z
Section 0 DEFINITIONS
5 ^" C/ x0 H0 F" M) h! n& gThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:8 h T% Z: E/ R) o$ P
Accessible as applied to wiring methods
( \! _" r6 M9 c6 C- |7 u2 s# [4 P/ sAlive or live
4 _' d ?+ P9 M& E+ j KAluminum-sheathed cable' @* s% L8 @" ^( B$ |
Ampacity
% {/ L* ^5 v% r- u( v& E% i# q/ p& ~) LAuthorized person
0 S9 q8 Q, N6 T/ K0 J% UAuxiliary gutter+ p7 Z3 t6 z' O) x, x0 B
AWG
9 P! s3 U) H; U2 NBonding
. ?" }( n& s& k; m0 k7 H! K% P1 @Cable tray
: T1 |: S4 f5 Q) Z. RCellular floor
, o. [5 N% M6 O1 I( HBranch circuit" l; K, }, Q6 L4 D; p! u8 T
Bus- i& b5 V4 v+ V) c' K8 n
Busway
5 w0 D' h& N8 r; @! c8 e1 j# qCommunication circuit( S: R6 _7 d) Q
Extra-low-voltage power circuit6 j: u1 {5 V' V K. x( O! {
Low-energy power circuit+ c. ]! u. W* z$ X. N$ Z2 m; z
Multi-wire branch circuit- B4 {& p+ w7 s! a( P/ ^6 N2 [
Remote control circuit
1 H+ \* V E* E. h/ QSignal circuit8 z" Y$ \/ e, p8 U8 `5 I" u: V
Circuit breaker0 ]8 y8 V6 U. ]! Y/ b
Instantaneous-trip circuit breaker
# w: [9 u8 h3 o7 g" ~9 o2 vConductor0 }# X2 |$ p8 a: }- Q
Conduit
2 d9 x8 B0 c4 A# @9 n Flexible metal conduit( o ]* E% o# _& z9 _. N. K
Liquid-tight flexible conduit* S X! t; D$ k# l+ ^$ `
Rigid conduit- A" o/ ~4 z$ H
Rigid metal conduit! m+ U. h) s c1 k6 K$ t1 Z+ ^
Rigid nonmetallic conduit; W2 g' l4 f0 W) a
Rigid PVC conduit0 Z; T2 @% [$ [1 f8 ?4 }1 `' S; h
Connector
; Y }$ y2 c1 s: n7 F8 {6 }: U3 a4 ] Box connector
. X# @" }/ J! d* t, h+ ?% ]5 g2 _9 Z Wire connector
0 |* m5 g6 x6 n" Y4 j0 @Controller# h { D4 o/ J0 `3 e" q8 S
Disconnecting means
" j m g* q! C: `2 r5 PDust-tight
1 u- a0 J6 T. s9 }& \% V: FDwelling unit
* X% {7 n5 O8 dElectrical contractor
/ A2 q* D4 S1 ^( @1 ~* TElectrical metallic tubing9 ?9 l. F% U4 {8 b8 M
Electrical nonmetallic tubing
+ ~. g- q2 X# I: a) q7 _0 `Emergency lighting
- U; c% D+ ]! Y' u$ V" BExplosion-proof! ~) I; h; J" ^9 q
Extra-low-voltage power circuit& e# j# {& E* X7 p# R
Feeder
$ }& m, I9 V: u! X2 T2 L3 RFlexible metal conduit
% O% Q2 l+ ^) O2 j( B3 G* E a1 jGround
) Z7 E/ j4 @0 |8 c1 l; WGround fault circuit interrupter
0 ?% i. q/ N) iGrounded" e( {$ O+ ^4 N) _6 z2 A# n
Grounding
9 a& e l7 N0 ]* D, C! JGrounding conductor
3 F, X7 A4 J8 }7 \, n1 K& H. }Grounding electrode5 y; R3 ~9 P4 s, M, F* C7 @) t, p
Guarded+ h. d Y. p c
Hoistway/ t$ F2 m# }$ l4 U
Identified
! ]; }7 X( O) ~; i1 y# V u0 JLampholder
) d( g7 j2 G0 v; Z% k9 tLow-voltage protection
5 q g7 C& `9 I- ILow-voltage release
5 N h4 G- Y+ u" m4 X3 yNeutral
: w8 J1 d. x3 n1 v' i, P# MNoncombustible construction
E1 M& l! m* Y, R. { @5 jOutlet4 ~- R# j3 y/ S$ ?
Outline lighting% B/ i/ A4 J& n8 |9 @2 z- _) z" @
Over current device
: G6 Y$ g$ x, `6 ]6 f; b" uOverload device2 G Z9 r( ^ S% W8 A
Panel board
$ _8 u1 l2 _# I& @0 iPanelboard, enclosed
' m5 G1 C- e, F% z6 C+ PPermanently connected equipment
; @/ B/ E" i0 W' }/ x" OPermit3 x$ v7 ?) }2 `$ {8 P
Plenum5 U, P/ K7 v- \0 k* V" q2 U: C+ T( j
Portable as applied to electrical equipment
: F! B% m' T! h+ e/ T3 X3 ]Portable ground fault circuit interrupter0 n$ p5 |! J% M
Power supply cord. ?* k+ {/ p) o# h& c- u
Raceway
: m# }7 I1 [# W* dReceptacle! }6 }0 M7 W/ q
Duplex receptacle% T' L3 g: s5 \$ f) j6 T, J: G. h1 g
Single receptacle
1 ^4 D7 n7 X# K; |& J1 T- i Split receptacle
. E/ Y0 j& O* C5 Y3 q" `Service, consumer‘s. J/ k0 R0 I$ b5 w
Service, supply
" X2 d7 c- f" PService box
" a( X5 H- v4 G3 ^6 o4 w# V+ U0 TService room9 A: D( Z) w# n/ s9 G$ m
Single-dwelling
6 O' N6 M! M, ^9 USlow-burning as applied to conductor insulation
8 w8 ?5 z4 d8 TSplitter
6 m) T0 J3 y& hStarter
' ^+ {4 u. h$ p+ s4 ~/ j" y" I: h4 H% _Switch
Q8 ?( ^# o& _9 Q2 f General-use switch- V5 [& R; |6 Z8 D' u O
Indicating switch; k( [) K; ~6 J% }
Isolating switch
- j7 l2 x# S, _9 j- J. O- g0 \ Motor-circuit switch
( R4 [( A5 V+ X- \, NSystem
4 J* t* P1 X& S L8 _% S2 J8 a" a Communication system% ~2 s, F) I5 |6 V, k( J* Q/ J2 u
Community antenna distribution system(CATV)
2 _8 R, @9 e" r7 q1 g Grounding system
0 u7 M4 B# C2 ]% C" i8 AUnderfloor raceway
" S# D. l! }' ]Voltage:
B& y( l: M( O6 |; P7 ]) a Extra-low voltage
$ J; O V0 \& X' j' C9 s1 G4 F$ ] \" }$ | High voltage
$ D% P6 O6 P$ d0 I1 X$ z0 g: B Low voltage
. L" z- l/ z( H+ q: @Voltage of a circuit" F; O6 V) x2 B9 A- Y4 q" Z! A6 [: W
Voltage-to-ground
3 D. d6 v* i6 E( D" M& R4 zWireway
3 X0 s. c( }7 h: ?5 h" E" \
) ?0 x/ C2 ?& k6 h* ~; mSection 2 GENERAL RULES
; T6 u8 u1 @# ~& j3 p& X* x! ?5 ]$ ^Administrative! O2 a8 [) \; d( t2 r P3 [
2-018 Reconnection
. }. {2 Q! Y% p7 w- @/ C2-030 Deviation or Postponement% s& D3 C/ _1 ?' U
Technical General0 y- Q' ^) p7 G
2-106 Circuit Voltage-to-Ground – Dwelling units$ {4 q0 D4 O1 N& d
2-114 Soldering Fluxes
1 D: d- P& z* h4 Y1 k2-116 AWG Sizes of conductors* r3 r" _/ S9 u9 R
2-124 Fire spread (see Appendices B and G)# }+ A, B8 y2 \+ R r
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)& s- W- ^8 ^( A1 q, D
Protection of Persons and Property* o. s: j- u* v& F) |8 K
2-202 Guarding of Bare Live Parts+ O- k+ H/ U8 v( _2 D
Maintenance and Operation8 W( J6 u. y+ U. v' o
2-304 Disconnection" C. o$ f% l1 o! n7 ?
2-306 Maintenance of Live Equipment
3 Q8 F9 q! w) a1 gN 2-306 Shock and flash protection (see Appendix B)
. g2 ]' p- w7 j S4 |4 |$ K+ D/ e2-308 Working Space About Electrical Equipment: Table-56
5 E2 E+ z) }& I8 G( K$ }( y& D- {2-310 Entrance to, and Exit from, Working Space
# L6 p) r6 P5 ?7 P; o# a2-320 Drainage
" g% E* Y- z/ F2 T: H( S2-322 Electrical Equipment near combustible Gas Meters and other Devices
% ~$ j5 @6 R) ]( P5 E% P3 bEnclosures9 {1 u" R1 }+ c# A. t1 q; ~
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
9 L% I7 M2 H+ I2-404 Marking of Motors: DP, WP, TE+ p; O* o3 F/ T. R0 Z
6 o6 P; T- A, v4 ]- r& j0 D+ HSection 4 Conductors) \9 n4 W1 m |+ D0 T! A0 F# t
4-000 Scope
- V( t$ m3 \# W% z+ j4 c& Q4-002 Size of Conductors: 14#, 12#
* t1 |/ {1 j# Y. _- [( k4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36/ c. m4 f9 G% s. Q% f
4-006 Insulated Conductors: Table 19
( T v2 ]7 {9 l& R: |4-010 Uses of Flexible Cord: Table 11
% I, |1 Z3 j, Y F. a4-012 Sizes of Flexible Cord1 X. V) J B2 ]) j" A
4-014 Ampacity of Flexible Cords: Table 12( g6 D6 Q# E! k, q& q
4-018 Equipment Wire2 x% f% W6 B% a0 v+ k1 c
4-020 Insulation of Neutral Conductors
: T0 q) o1 D( r) ~. N4-022 Size of Neutral conductor
5 c! y d5 ^2 \4 F" X" e; C! K4-024 Common Neutral Conductor* D6 |5 {# O+ h* l
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
8 B& n) D; d, }. V& D# B8 Q4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum* U* `7 Z: [9 c" y
4-032 Identification of Type MI Neutral Conductors
- @! ?0 P( e8 h4-034 Use of Identified Conductors
4 _* K* v- ?0 j( \+ j% t7 _) C( H4-036 Colour of Conductors: Phase A, B, C, …" w' X: ?, P- ], m2 U! h& d% g; D' W
0 i1 _8 S# ]) y9 h3 M3 H- Z
Section 6 Services and Service Equipment. Q% d& g7 Y5 e v4 O5 r1 S1 G
General, H" i4 V1 \& ]0 k
6-102 Number of Supply Services Permitted% u0 C0 q/ C5 i( }0 O3 N
6-104 Number of Consumer’s Services Permitted in or on a Building* y+ [4 i& G6 E" d
6-108 Supply Service from an Electric Railway System4 i5 p9 D& c/ W3 |2 W8 E3 g+ K
6-110 Three-wire Consumer’s Services
& v3 k2 d) X* s: I6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
- D9 ~5 l2 t+ ? K6 I4 ]5 X# v! \6-114 Methods of terminating conductors at consumer’s service
+ G. R8 h/ L9 I: ]6-116 Consumer’s Service Head Location# l( b# `2 m' z1 A% U
Control and Protective Equipment
3 B/ M; C* _' E% G) Z6-200 Service Equipment0 t) _! g% Q y& K' |
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e): C7 L1 u7 {+ I" i/ b/ r6 X# c
6-208 Consumer’s Service Conductors Location
, r6 O- H9 M% ?" ^2 y) z! P6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
4 I: h7 Q9 v+ H7 E- m+ ~8 E% H4 M6-212 Wiring Space in Enclosures
1 q: e+ E% o2 d. _6-214 Marking of Service Boxes
& U) z! m9 z2 F/ gWiring Methods
4 t4 ^. ?5 u2 |0 e3 t$ l6-300 Underground Consumer’s Services
' g6 o9 W: V, R2 f7 \4 H* Y6-302 Overhead Consumer’s Service Conductors# o5 X# b& B# g, H; O% v% k
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
' n) I8 C7 r0 e6-306 Consumer’s Service Raceways7 x& @1 z. R3 C- q. S V. J
6-308 Use of Bare Neutral in Consumer’s Service
+ t3 {6 t" `' d( S6-310 Use of Joints in Consumer’s Service Neutral Conductors
8 G: J1 B, ~* q3 J& t6-312 Condensation in Consumer’s Service Raceway
/ S0 J: R( p# S# X1 Y% `5 H0 x' {% zMetering Equipment! X' i" I. P |! W' n% W
6-400 Metering Equipment! [- M+ W+ S0 ^9 v/ j' c
6-402 Method of Installing Meter Loops5 {9 B* e* K# y9 @
6-404 Enclosures for Instrument Transformers
2 V( {9 s2 {( P' U4 R* T$ W6-408 Location of Meters$ B- \5 v/ P9 F. u* x7 v
1 o% Q$ M9 E, u! z9 y+ i0 }Section 8 Circuit Loading and Demand Factors4 L5 Y2 ~/ T6 T9 r3 J0 n
General; r. s* q- S7 d) J9 J) P
8-100 Current Calculations
9 I8 Q2 e9 [7 p+ I) }0 Z8-102 Voltage Drop ( see Appendix D). Q: c7 k# ~; f- P1 P
8-104 Maximum Circuit Loading
3 R4 U8 n* _( H8-108 Number of Branch Circuit Positions* x3 h2 ~" q) a0 i7 p( [; ~0 F' X+ z" P* |& }
8-110 Determination of Areas
2 k1 N$ Y3 L1 n4 H! \& J9 iServices and Feeders1 n0 X' L' y6 j' m: H8 S# I
8-200 Single Dwellings (see Appendix B)
# @1 @2 z3 d; [# }9 @8-202 Apartment and Similar Buildings
- r2 ~3 g' ?0 s! F6 R) _8-204 Schools
/ k0 S' H8 {$ i# R# `8-206 Hospitals
/ C f0 O4 A( {9 T) T! b8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
' @# p$ Q' x/ F" l8-210 Other Types of Occupancy (Table 14)
+ {. B, v. t- Z8-212 Special Lighting Circuits
. P" L8 m/ i9 r w! h8 @' b6 A6 cBranch Circuits
* ?, M" |: X) D: V* E4 a8-300 Branch Circuits Supplying Electric Ranges+ k8 G7 Z; ]9 k5 I7 m0 x
8-302 Connected Loads
8 X* b- ~. w, d6 J X8 C/ R8 r' z8 D. u Y4 @! t( ?* Y
Section 10 Grounding and Bonding
5 ]/ `7 \4 _7 p9 L1 H& }' U# PScope and Object
7 T! l( s! \, {8 V10-002 Object
' B/ B0 A7 V2 [, dSystem and Circuit Grounding4 R$ |0 Y, k7 {) y# s
10-102 Two-Wire Direct-Current Systems
; }/ o' [2 {+ |; Z& p) y, }10-104 Three-Wire Direct-Current Systems' Z4 I, a; ^5 M
10-106 Alternating-Current Systems5 C' J% g; a3 d3 s( M' p! {- @
10-110 Electric Crane Circuits
7 d& I! ~/ j3 n( S) |+ P$ j10-114 Circuits of Less Than 50 V
/ ]8 u4 ?, V3 ^: x! r10-116 Instrument Transformer Circuits
( F1 f P B1 k; Q" F& eGrounding Connections for Systems and Circuits: x0 r) [! Y' V' I
10-200 Current Over Grounding and Bonding Conductors4 y6 M9 |9 \9 Z% s3 h
10-204 Grounding Connections for Alternating-Current Systems V7 E4 o. [0 J1 X0 u/ h1 p
10-206 Grounding Connections for Isolated Systems3 |6 ]: x0 c7 B3 t S+ t7 n$ q
10-210 Conductor to be Grounded
# h! g0 i3 @8 H1 i$ oConductor Enclosure Bonding0 x( Y' E# Y) J* ?5 d+ [
10-302 Other Conductor Enclosures
& Z: t3 ?( i ^# ?- uN 10-3041 R, n/ ?4 m: v$ v k' v2 E" [
Equipment Bonding, f; _: Y. n: u" e( |& D
10-400 Fixed Equipment, General
6 b9 D. b8 _0 A1 d10-402 Fixed Equipment, Specific (3), (4)
Y% A% u4 I7 X8 s# b3 }10-404 In Nonmetallic Wiring Systems
# P1 \" W5 V: R4 H0 q; d10-406 Non-electrical Equipment
/ ?/ f' P) F$ t* Z, S0 T10-408 Portable Equipment (4)(b). F% Q' H2 O# R& a$ {
10-410 Instrument Transformer Cases3 N# B! r) x& Y# |. _" x7 b7 b, C7 Y
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
! v1 [) x; a5 W h6 ^3 M& e6 ^10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
+ Q* G) T- n/ W5 b p0 l ?Methods of Grounding
3 v' W3 L3 p6 ~2 Z( i; y( E10-500 Effective grounding (see Appendix B)
+ V( {$ a b' g" k- u1 S10-502 Common grounding conductors
+ t" s$ f* [( N7 n10-504 Common grounding electrodes
; F l/ a& q% G' v$ ^Bonding Methods
# m& L- d( L: l+ z. H10-600 Clean Surfaces; c( Q2 c4 S2 g: \! ^
10-604 Bonding at Service Equipment
) I0 ~5 I; R- Q/ a( z5 z+ p3 b10-606 Means of Assuring Continuity at Service Equipment& P9 [% N& D7 Q$ n" I! `* F6 q* k
10-610 Bonding at Other Than Service Equipment
$ @( c5 v" |+ ]2 Z& R; F! K8 y10-612 Loosely Jointed Metal Raceways8 b) y7 [- v6 A# }0 Q% c
10-614 Bonding Jumpers Table 41
! E: U: D& M6 ~- w$ NGrounding Electrodes$ c% x' _; i# t% B z
10-700 Grounding Electrodes
- u6 S3 P1 d$ Y8 ^% D10-702 Artificial Grounding Electrodes+ f/ z9 J4 Z' M* n( a
N 10-700 & 10-7021 @+ o, `! u* ^3 K3 ^
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)1 F- F4 ^& k0 |
N 10-702
3 I' K" g" M, i# X4 z. L$ n- V10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding& d" z. K6 n& p4 Z- E8 p" X
N 10-702 U1 K" \8 K; O& Y9 a% t
10-710 Use of Lightning Rods (Appendices B and G)
4 ~4 {: Z3 e, {& V/ @) E* T$ GN 10-7062 e( F1 ]0 b) B% f
Grounding and Bonding Conductors5 Q$ Y1 y2 |0 {( Z
10-800 Continuity of Grounding and Bonding Conductors$ s& Y/ D8 d( K; U5 _8 _6 {9 _: E- z& A
10-802 Material for System Grounding Conductors2 c# b' k. T: R1 W o9 p+ L
10-804 Material for Bonding Conductors) h$ w9 F: ]2 r) s0 X2 b/ D
10-806 Installation of System Grounding Conductors" v2 f( n5 A7 K4 T7 O
10-808 Installation of Equipment Bonding Conductors' U* e' N5 U* s
10-810 Grounding Conductor Size for DC Circuits
4 j( A* V! m& R( K3 o1 }10-812 Grounding Conductor Size for AC Systems (see Appendix B)6 k8 X* ~! W$ {- e6 J+ \
10-814 Bonding Conductor Size (Appendix B)
& ? b _+ a$ H10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
) S8 g! z! \- A r10-818 Bonding Conductor for Outline Lighting$ M1 N7 y7 V* l
10-820 Bonding Conductor Size for Instrument Transformers
& Q7 p5 d. `1 y gGrounding and Bonding Conductor Connections
" M% d/ Q9 W4 E) l5 Z10-902 Grounding Conduct Connection to Water Pipe Electrodes4 v X5 L0 }/ @3 S: }1 z' r8 W
10-906 Bonding conductor connection to circuits and equipment# Z W d3 _* \% o0 o" [. v! T7 F
10-908 Grounding Conductor Connection to Electrodes1 o0 V4 C1 m H0 ` S( t7 W0 I
Lightning Arresters. W/ g R& r9 s$ P: o
10-1000 Lightning Arresters on Secondary Services – 750V or Less# Q4 m b! Q( u8 t7 L
5 K: `8 H; d" N* H& ?5 |8 v
Section 12 – Wiring Methods2 L; G2 |6 v9 }+ L( H
Scope
+ n# m, U7 f5 y% o) b! Q' R12-000 Scope (Appendix B), B$ j$ d. D% w
General Requirement
, L# ~8 \8 P) j. \12-010 Wiring in Ducts and Plenum Chambers
$ O! m0 P% s( h7 @12-012 Underground Installations (Appendix B)1 q; ?; n+ G! B0 o; ~2 Z; f0 X
12-016 Lightning Rod Conductors
& ^6 K" v5 s. e, A) l/ J3 ~Conductors - General- J8 ~. F0 }2 y6 |% D, a
12-100 Types of Conductors (Appendix B) Table 19
: L) e$ X9 b6 Q$ Z12-102 Thermoplastic-Insulated Conductors: P7 @1 Q4 d% c- `
12-104 Flame Tested Coverings+ E- L+ P& Z, ?& B
12-106 Multi- and Single- Conductor Cables. u2 r0 z& p! R1 u$ H2 }2 r
12-108 Conductors in Parallel (Appendix B)
9 h( N/ G9 W. W! S12-112 Conductor Joints and Splices( E( a" o/ k/ a: q% m. ?
12-114 Ends of insulated conductors
4 l4 i( ]' \! I" L7 I3 z) W12-116 Termination of Conductors (Appendix B)4 b* e% \. @* |0 x
12-118 Termination and Splicing of Aluminum Conductors8 F6 T$ o0 v; N7 k; h
12-120 Supporting of Conductors - Table 21# D- U @ O* u7 ?2 g
Open Wiring# A% r) ~5 H! F4 i0 O
12-204 Spacing of Conductors" X* w+ Y" p$ d$ O5 f0 [8 M
12-206 Conductor Supports
' _8 i; V- S' M12-208 Conductors on Flat Surfaces
2 ? q0 ^5 D1 c' `12-212 Protection from Mechanical Injury
; g! W7 u3 z3 i. H; LExposed Wiring on Exteriors of buildings and between Buildings on the same Premises
( T0 H1 T: N! [# Q7 ]12-308 Minimum Size of Overhead Conductors: R+ G3 u) J9 E$ v' r5 h
12-318 Use of Neutral Supported Cables% ]% g/ X. M) h' e. x! n
Nonmetallic Sheathed Cable; f$ T& j8 C& D& T8 t, \5 y
12-502 Maximum Voltage4 ]4 W0 G9 s; y0 ]8 u; m) S
12-510 Running of cable between Boxes and Fittings (Appendix G)& d- k: Z5 G" K# ]4 _
12-514 Protection on joists and rafters
! A" T; \8 w3 \' s) N) w$ i. H12-516 Protection for Cable in Concealed Installations (Appendix G)
( u) H1 c2 ?4 o* p12-522 Where Outlet Boxes Are Not Required
0 n& N2 G4 U8 S. [. w4 U9 `' }; `Armoured Cable
7 K4 [; m: ?2 N( I7 V( c: N12-602 Use (Appendix B)7 m+ j) u8 o2 z: G6 Y ]5 ?& W+ u0 S
12-604 Protection for Armoured Cables in Lanes4 L' K& T. f: K2 a! l# p4 e
12-606 Use of Thermoplastic Covered Armoured Cable
( p4 q% g$ Z5 x. Y/ c3 r12-608 Continuity of Armoured Cable
9 h( z; [3 g( J" a h- g12-610 Terminating Armoured Cable
$ ?5 M/ k; [- r, Y. T A* @8 r12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
' P B" ?# F7 ?4 n5 R' U12-614 Radii of Bends in Armoured Cables
5 k% d% j! K& i; C7 D/ E v1 K12-616 Concealed Armoured Cable Installation [" _. J8 Y9 E( z4 \% m
12-618 Running of Cable between Boxes, Etc
* e% L" a M% ^' }Mineral-Insulated and Aluminum-Sheathed Cable
( Y2 F/ v- Z# j: i& y12-702 Use+ s) P8 a4 ~& Z- L0 w3 z8 a
12-704 Use When Embedded+ k6 O: Z; Y, G% j) a
12-706 Method of Supporting
9 H3 `7 M' I" c( `3 d) d12-708 Direct Earth Burial$ Q- q( D4 G- c9 H. n
12-710 Mechanical Protection
9 \4 ?% g7 W& g12-712 Radii of Bends
8 L( c) G6 R% f12-714 Termination of Mineral-Insulated Cable (Appendix B)7 g- {2 X8 V! H2 \( f% w; _
12-716 Connection to Other Forms of Wiring- W' a6 W3 Y; O6 i9 I5 f; U. |, v
Flat Conductor Cable Type FCC3 F1 H% N4 C4 ?
12-804 Use Permitted, g6 _( Z) W# O* k$ {% s
12-806 Use Prohibited
4 j+ D! K6 U! `1 D; y* @12-818 Anchoring
7 o0 { T, T* R" Z; q12-820 Crossings
* J8 p+ p* I, k& T2 I) k2 WRaceways - General) F+ M* ?% h% x9 c+ p: ~3 s
12-904 Conductors in Raceways# t f& h; V [% h* z
12-906 Protection of Conductors at Ends of Raceways' T4 W! _( D2 X1 g' l
12-908 Inserting Conductors in Raceways
/ V% {% ^% p' f) H) Y$ y' Y* j12-910 Joints or Splices Within Raceways% F- w& K6 h" Q7 b7 O
12-912 Stranding of Conductors
: z3 v6 b" q9 _, c, }12-914 Electrical Continuity of Raceways; w# m8 ~, Z5 q1 a1 \ r
12-922 Radii of Bends in Raceways* N4 ?4 J+ p; k) r
N 12-922 Radii of Bends in Raceways Table 7% J( q# e; u5 J. a F% k
12-932 Protection for Raceways in Lanes
+ R; }# f+ h5 r7 W# z12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B): j0 q, l e" O. ?7 n. E! }6 G
12-938 Capping of Unused Raceways
7 M9 Q7 C3 \1 B2 H12-940 Maximum Number of Bends in Raceways0 ^' e' F1 W6 H2 V0 j$ r, t8 k
Rigid and Flexible Metal Conduit
2 J' j- q; E8 @3 _( i12-1002 Use: O& Y# k: ?; ~' z! ^
12-1004 Minimum Size of Conduits2 o& N. k8 u4 ^8 K
12-1006 Conduit Threads (Appendix B)% D2 |- t7 V1 q% a6 y ^- |0 U
12-1008 Thread Engagement G* C1 V7 g- w! {& v
12-1010 Maximum Spacing of Conduit Supports8 I* W# v( G7 s# a$ w7 _6 L
12-1012 Expansion and Contraction of Conduits (Appendix B), W: Z7 r/ T* _5 E0 n. o) l* Q
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
3 f( o% K, }7 p/ c% o- J! E" d. uRigid PVC Conduit and Rigid HFT Conduit- M0 O+ W0 S% N+ N
12-1100 Use o' Y- j0 y- G& H
12-1102 Restrictions on Use
- D% O+ C6 A- w/ e$ `12-1104 Temperature Limitations (Appendix B)
2 N* i8 [+ h7 U, w8 J( k4 G12-1108 Field Bends (Appendix B), (2)4 @8 G9 {3 f- b' x4 L$ P* A. j* T* S
12-1110 Support of Luminaires Y( B7 c5 H; ]; f& |# w
12-1112 Fittings5 P% }% H4 J Z, s# p
12-1114 Maximum Spacing of Conduit Supports
, u1 Q/ k5 r7 D* L12-1116 Support of Equipment1 ^5 G1 u, q' o# I* A0 L! P4 W' m
12-1118 Expansion Joints (Appendix B example)9 |' m {: m! @$ c5 ?. F
Rigid RTRC Conduit1 N8 W- {; I! O0 F2 i1 h, Y+ g) c
12-1210 Temperature Limitations
4 P* b2 F' P# D* \/ Y2 J" G% N! y12-1214 Expansion Joints (Appendix B)
) b% v& M& C7 X% Q% `- [Liquid-Tight Flexible Conduit
) t) v5 v1 I/ D2 M& Z12-1302 Use of Liquid-Tight Flexible Conduit) E7 l2 i, N1 t/ Z: ~
12-1304 Maximum Number of Conductors' Q' ?0 Q9 z! H6 K( b
12-1306 Provisions for Bonding
; g5 j1 A. K6 A! EElectrical Metallic Tubing9 Q7 M) n: q- ]" H% K' X' ~9 k
12-1402 Use
* ^3 W& E F F12-1404 Supports
6 `2 c/ f& W. F" U/ M: }! o12-1406 Minimum Tubing Size
U; a5 p! g0 w$ p# ]0 j D$ s8 K12-1408 Maximum Number of Conductors
0 V! |% v- j3 J* c' A* Z12-1410 Connections and Couplings0 {4 F, D& B6 W$ q+ v: ?
12-1412 Radii of Bends in Tubing" Y" E$ ~ F3 A( C5 v
N Table 7
% E( c' P* A' }/ J. G' O$ bElectrical Nonmetallic Tubing4 [- j2 ?' @( F/ T' G* X
12-1516 Provision for Bonding Continuity" g7 u( U5 _" s9 Y' T0 j! q
N 12-1514
# C" c: p9 c% ^4 N, K3 Y( M. d8 b, YSurface Raceways
. V9 B" s6 t2 w i# q12-1602 Use of Surface Raceway (Appendix B)
4 b( e/ h. m0 P" A0 }! C12-1604 Temperature Limitations+ y5 A# K, z5 {% m
12-1606 Conductors in Surface Raceways (Appendix B)
6 ^2 I& C- b$ a" B$ ~12-1608 Maximum Voltage! d4 _/ f/ }% `7 k7 P+ H' D
12-1610 Joints and splices
+ v ]$ K9 f* P$ Y0 GUnderfloor Raceways
* }' c7 A- `4 _5 Y* T4 x12-1712 Discontinued Outlets in Underfloor Raceways8 p$ k7 O! U, Y9 T4 J3 w
Cellular Floors* w! B( n" ?% x2 ?
12-1804 Maximum Conductor Size in Cellular Floor
: N- w3 N6 \, q9 _6 @. n12-1820 Cellular floor discontinued outlets+ k8 u/ k! V% V) F9 g& N( t1 c
Auxiliary Gutters- O% D5 H& N/ j% s
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
! Y7 e/ ~, B( h* w12-1902 Auxiliary Gutter Supports
' b( d' q. G9 d, I% Z12-1904 Auxiliary Gutter Cross-Sectional Area
2 R6 v1 Q( h5 ^) S0 t* OBusways and Splitters
3 E; w' @/ }3 X& P: S1 T12-2004 AC Circuits in Busways and Splitters
& b' t' u6 z1 I. D% v! [8 n12-2006 Busway and Splitter Supports+ g& a$ K0 P6 ^( ?- }' ^
12-2008 Method of Installation of Busways
7 ]% x% F& Q q1 T0 ^12-2012 Reduction in Size of Busways: Q: U% n; l& b& F' P6 V
12-2014 Length of Busways Used as Branch Circuits- @! F# v# i2 ]8 y% O9 ?% M
12-2018 Taps in Splitters
% l; B: R# `( m& D, KWireways
( j( n& m9 N6 S; z12-2104 Conductors in Wireways
3 \( g7 ~2 L9 s12-2106 Taps and Splices in Wireways3 b/ _1 _, W8 |" {8 {% A h+ f
Cable Trays
: T) G9 V8 Q& ^. r0 a7 }12-2200 Method of Installation (Appendix B)
% r7 _* R2 h" \7 P12-2204 Joints and Splices Within Cable Trays2 Y! l# l% {+ K) |3 _& L( L
12-2208 Provisions for Bonding
n$ ~4 a6 U9 r* h' Y3 v: V12-2210 Ampacities of Conductors in Cable Trays4 ?. z7 Y/ f& D
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
1 \ O7 Q) N. a, M12-3000 Maximum Number of Outlets Per Circuit; [5 k/ ~& v# |+ z; V* j
N 8-304" p4 l% w: M1 C$ s- a* ?
12-3002 Outlet Boxes (Appendix B)
# b$ Q8 E# N- {% l1 H3 `N 12-30005 u+ v6 d$ \& t& X2 c5 V: `
12-3004 Outlet Box Covers
. k+ P/ J& w" G: vN 12-3002. ^ P4 _" u# ]/ U$ ^* E1 y. p
12-3010 Boxes in Concrete Construction
, u8 [ y% d @0 E! lN 12-30084 I5 G, E, C0 j9 K: K
12-3012 Outlet Box Supports+ D, }+ t5 x% I
N 12-3010: A$ p/ F$ `. s$ H2 C) S
12-3016 Accessibility of Junction Boxes9 W* o/ G0 ?2 e! x5 d
N 12-3014
" t) ?) Y1 M! u- u12-3018 Flush Boxes, cabinets, and Fittings
4 t2 G# M. d% f# p3 W1 uN 12-30162 J' P8 U8 Q5 f8 r# _
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) + ]5 l' g. \* z/ k
N 12-30229 l) p+ p: b; B% P
12-3036 Maximum Number of conductors in a Box - Table 23& }* x! h0 m2 z( z. [
N 12-3034
: z1 R. F# ]& y. F, G12-3038 Pull Box or Junction box Sizes
; u9 A: L5 ?: O5 l2 r6 DN 12-3036) x, X7 ]9 k; i* f7 u; s
# B1 Z7 ?$ q. v# R0 h' i5 l; zSection 14 Protection and Control
; v2 S' E/ Q4 C$ }1 ZGeneral Requirement7 L( ]/ t$ K- z& d% `
14-010 Protective and Control Devices Required" ^+ Y5 A6 h8 U, J. f, A+ L/ p M
14-016 Connection of Devices
l9 S3 P( G. d1 A Protective Devices – General
* Y/ B8 T z$ D' Y9 M 14-100 Overcurrent Devices Required
: W; P% s% c2 e3 ]# G+ l5 J Y0 s14-102 Ground Fault Protection (Appendix B)$ ]. c* P7 i% \/ N
14-104 Rating of Overcurrent Devices (Appendix B) Table 13) A6 X* t# e7 u4 H) \# |* C* f
14-112 Overcurrent Devices in Parallel, m2 }3 Q1 L; x2 ^
Fuses, [" _0 e3 |6 I6 {& U! P l- Y
14-200 Time-Delay and Low-Melting Point Fuses
6 P4 j3 B1 N& @, ^14-202 Use of Plug Fuses1 ?2 h, D, O* d1 _
14-208 Rating of Fuses d3 w' O4 O. _3 x, C; y
14-212 Use of Fuses (Appendix B) i. w, Y& n' y
Circuit Breakers$ h9 q7 W$ g! Q" S. A
14-300 Circuit Breakers, General% C7 Z$ A% M& |4 X
14-306 Tripping Elements for Circuit Breakers7 H5 [( M4 \. t. p( R% I- g
14-308 Battery Control Power for Circuit Breakers% K4 p! K, ~3 J
Control Devices - General1 H6 c( u E& F4 Q- S3 g5 W
14-402 Disconnecting Means Required for Fused Circuits+ r8 j) W; Q1 U# w6 m% o
Control Devices - Switches6 t6 M- q5 O: F L" H9 ~
14-502 Mounting of knife Switches: h5 S2 f/ D) K3 e1 h% |" L/ b
14-504 Maximum Rating of Switches# i! p9 Z1 c* @6 Y
14-508 Rating of General-Use AC/DC Switches (Appendix B)
+ J* O. U5 ^+ M14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
6 |) ^! C9 [' Z* YSolid State Devices% q8 h" w$ x3 X
14-700 Restriction of Use
6 _: H7 Q. ?( A14-702 Disconnecting Means Required
* `5 A2 I* Q _5 j1 O: @3 C1 N: W* L0 y" j
Section 16 Class 1 and Class 2 Circuits3 N% M4 s4 ~4 X* O
General$ I7 _5 b# {+ x0 D! H
16-004 Class 1 Extra-Low-Voltage Power Circuits+ }+ ^6 t) s! s9 X" ~
16-006 Class 2 Low-Energy Power Circuits5 m! I1 s! w4 B
16-012 Circuits in Communication Cables. g# Z/ M9 V/ Y+ S3 z o2 v
Class 1 Circuits
- K- J2 k( x. D& R+ v6 H: a, K16-100 Limitation of Class 1 Circuits
8 f Q4 ~* U- o; m9 V/ x% B0 r16-104 Overcurrent Protection of Class 1 Circuits
: b. |1 m$ ~, B* V) i8 h9 @16-106 Location of Overcurrent Devices in Class 1 Circuits
$ K" r9 K+ j: K/ K$ h( h: X16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
' w, j% X, T8 _5 Y; z8 M5 `3 A% @16-110 Conductor Material and Sizes( c1 p8 W' o1 h5 e1 ?# N5 T
16-112 Insulated Conductors for Class 1 Wiring
i/ {0 k# H" b4 ?0 T' Q1 B! ?$ lClass 2 Circuits. l, I5 K8 Z1 s5 b5 Z2 @' T
16-200 Limitations of Class 2 Circuits (Appendix B) T' ^/ n* V9 R; |
16-204 Marking
7 F+ v- W4 a1 K- _% w# _16-206 Overcurrent Protection for Class 2 Circuits
' n, r) l1 P" s16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
0 \7 l6 x$ t/ T) X( t% {( W2 KELC: extra-low-voltage cable/ T, [2 b3 H) ]5 I
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
' y1 @4 V3 q& U7 I; B
' T) ~ b2 ~4 n9 G. a! ySection 18 Hazardous Locations3 k: @/ |2 c* o" C& g2 F
Scope and Introduction
! S9 q2 o: V1 h# l$ R18-004 Classification
/ C. V; N, k5 h) ]5 G% m18-006 Division of Class I Locations (Appendices B and J)
7 E% r4 u8 ~* d2 V2 b1 w18-008 Division of Class II Locations (Appendix B)$ \& G- M+ R, |8 X& O6 o, [
18-010 Division of Class III Locations (Appendix B). e, s7 S* j: m4 e/ A2 `6 ~
General. O1 p/ T. R' s( {
18-062 Metal-Covered Cable (Appendix B)
$ Q9 O4 N, u# L4 K m. EInstallations in Class 1, Zone 1 Location# f, v$ ^0 |; k
18-108 Sealing, Class I, Zone I (Appendix B). {6 E) `9 H ]' d
' k. ?8 a7 m, `
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
. W5 m8 ~* w. i8 s9 YGasoline Dispensing and Service Stations* _- e1 ], H3 h- @( C7 H. @* j
20-002 General" N# D [: U' m; d, C E; j
20-004 Hazardous Area (Appendix B)$ i1 t% U v( s3 C1 k
Propane Dispensing, Container Filling, and Storage! ~3 {4 Q2 o3 R6 T+ f1 J3 j
20-034 Hazardous Areas - Table 63- f0 n2 F. j7 X2 q4 i6 `( w
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities5 y, |) @) O! |$ U
20-062 Hazardous Areas
4 d8 P9 H- X3 @6 @Commercial Garages – Repairs and Storage0 P0 V1 Y6 j; S; ~3 j
20-100 Scope
% c: y' }+ U0 u; R3 N* a, w20-102 Hazardous Areas (1)
7 u: [# x n5 |4 }( L+ o3 y
% q5 F' b' N; R7 JSection 24 Patient Care Areas+ ^9 l0 P f% b! N+ y
24-000 Scope (Appendix B)
2 Y, @" o; z9 H$ _# x# C4 x24-002 Special Terminology (Appendix B)5 ?% p. ^4 l) |: _& t! O+ o) _) H
Patient care area" q; K% M* O. h# O
Patient Care Areas
7 p5 `2 U G+ @) u& d; N, X" G: P- r; ?$ [24-106 Receptacles in Basic Care Areas (Appendix B)
9 q5 `0 q# u3 H4 MIsolated Systems
, P% _! x8 I* S9 ]* C24-204 Single-Phase Isolated Circuits (Appendix B)
9 E/ d- W4 r5 @0 C: p24-206
5 L$ \6 A% N& _9 F3 |! F
9 R% M4 @, H8 n+ L8 l" Q5 cSection 26 Installation of Electrical Equipment
2 M4 T& s% W/ q, ^( n6 h5 CGeneral* x$ u* V* x; A- M- l9 L
26-004 Equipment Over Combustible Surfaces (Appendix B)
* n, I4 W6 V+ G# ?26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G), o, v% g2 [$ J8 h: h" i) e% h
Isolating Switches" C/ h4 I, z& l
26-100 Location of Isolating Switches0 n$ ^$ s k& y5 s
Capacitors
5 e; R( W7 |2 A# H2 n26-204 Guarding of Capacitors/ [' }: I" k9 N4 J0 t, t- K/ a1 X
26-206 Grounding of Capacitors1 k3 W4 J; T% ]: @' R
26-208 Conductor Size for Capacitors! M1 ~' D% L: k; N! h
26-210 Overcurrent Protection (Appendix B)
- N" i" A" d- V" ?' C26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits8 J2 \& t; o/ T1 h+ ?$ U
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
& w: a8 I4 T$ ^+ i! j9 f4 J( c! @26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
" i& C# B- ^1 m( d6 c2 @26-218 Special Provisions for Motor Circuit Capacitors
, j/ N" q7 K/ Z( A26-222 Drainage of Stored Charge of Capacitors
" x; | _4 j5 ^( Q1 k/ X9 @ yTransformers+ K) Y) B: `; F. Z/ f
26-240 Transformers, General
3 v& C- V, l5 }, T. ~26-242 Outdoor Transformer Installations1 B' B- A9 q/ R( r9 o/ c% W
26-244 Transformers, Mounted on Roofs (Appendix B)# v" E( u' F; ~! g
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)! t: \8 C/ T& A( h2 [
26-248 Dry-Core, Open-Ventilated Type Transformers0 |. x* Y: r( D9 G7 U
26-250 Disconnecting Means for Transformers
* Z- G+ p. Y( w( G9 Y* v. s- Z26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V# H4 j4 a0 j" R0 p; J, D
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
) A! Q: S4 x$ |! ]( }0 R26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
5 {* M4 z! K n6 _* d26-258 Conductor Size for Transformers
' U' k" L3 D _% h5 U4 i26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
( @/ n' V" C* ^, \9 y L$ C: s26-262 Marking of Transformers# Z( V6 s7 B. x# l+ [. Z1 T# P
26-264 Auto-Transformers
8 `# K3 s9 F- o0 G( pFences# `2 G+ N8 N+ k, R
26-302 Clearance of Equipment - Table 33
' r4 B% @4 D7 t: O) x5 Y- BPanelboards
$ }& f1 C5 V# s3 ?9 y7 ^" K. u26-400 Panelboards in Dwelling Units (Appendix B)& S6 f* X% C& F. ~
26-402 Location of Panelboards (Appendix G)
3 l( m. u4 H7 y8 vLightning Arresters; K0 A% Q/ [: P( X6 t0 k! I$ f l+ R
26-508 Connection of Lightning Arresters
) X, }, c8 c' V4 p( Q3 E; DStorage Batteries
' E5 T6 [2 D# u3 G7 P26-542 Special Terminology
! J/ v, \# Y& y3 u/ O# M+ E5 a* M2 {26-550 Battery Installation
5 f7 K" z) w8 M26-552 Wiring to Batteries+ J& S" T) ], B/ H
Arc Lamps
1 |. P3 P) U; M% ^, d8 g( V, F" Q: a26-600 Location of Arc Lamps5 h; w: D0 m+ L( W$ _1 T) N( Q
26-602 Conductors to Arc Lamps! Y* S, `" Q0 _- e& b
26-608 Globes and Spark Arresters% l3 x3 c9 u; |+ s
Receptacles
0 R$ Y" E6 ~8 L ]9 y' A26-700 General (Appendix B)( X% K, k" M4 m* u
26-702 Receptacles Exposed to the Weather) \) |$ U7 V3 i% N! k
Receptacles in Residential Occupancies( R% ]# g; u& x. e
26-710 General (Appendices B and G)/ ~& B8 C% {' ] {
26-712 Receptacles in Dwelling Units (Appendices B and G)
4 Z z4 z4 H# e0 n# u8 `7 ]3 b26-714 Receptacles in Single Dwellings (Appendices B and G)
3 Y" j- I! l0 yBranch Circuits in Residential Occupancies+ m# m* ^+ \9 ]6 k
26-720 General, @7 w% y* K) e o# S
26-722 Branch Circuits in Dwelling Units& K) ^* i$ @. |' T7 U+ H7 E
26-724 Branch Circuits in Single Dwellings& K6 j& }6 _' V4 V% C/ N
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
. p) U, ?7 h: G; e' z! E+ jN 26-720 (F)
) Z( B. n/ x1 g7 h$ ^7 u1 bElectric Heating and Cooking Appliances% m7 I: y k# B0 k
26-744 Supply connections for Appliances
) p0 p' R/ ~5 n- L+ h9 U26-750 Installation of Storage-Tank Water Heaters, H4 r6 L8 U H8 g, ]# ?% P- {2 Q
26-752 Infrared Drying Lamps
+ V9 t6 i& d1 |) c6 `0 Q0 B$ x" ]# A$ u) y3 Y
Section 28 Motors and Generators
l) a2 u7 V# Z! l. S/ y' \. JGeneral& X: M# O J, c! F6 J# W
28-010 Special Terminology
( k$ p3 q. a2 `& rHermetic refrigerant motor compressor+ a2 O! L; I6 I
Locked rotor current rating2 y. F3 \" l3 s& A* \7 `
Service Factor" V+ ~. C& l8 e2 {, w0 a, p" F; p5 A
Table 44; Table 45; Table-D2
/ e2 T& R" T6 b# C' A. W- `( u: VWiring Methods and Conductors: v4 U+ \3 i E1 g0 |# ?
28-102 Portable Motors* m/ @% o& T* z4 u# f
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity' y, ?: ~% U4 c' U
28-106 Conductors, Individual Motors5 p1 i/ V& a# R2 U! k* e
28-108 Conductors, Two or More Motors1 ^& @6 a7 c3 o* A/ q! J
28-110 Feeder Conductors) C6 C# N% b* B0 _
28-112 Secondary Conductors$ P% ]: n" n! B% P& R* t
Overcurrent Protection
! k$ K. @% Q3 Q. u3 w! T; r# H0 `28-200 Branch Circuit Overcurrent Protection) M( L% [ v0 a0 X" O# ^
28-204 Feeder Overcurrent Protection: | i* x! }2 u2 \- }8 e6 }8 v
28-206 Grouping of Motors on a Single Branch Circuit8 D5 E) i& A& W. C( @
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
, u- U" O; N& K+ \/ G. _Overload and Overheating Protection
. S% K# Y. K6 W- N$ h1 @' t28-302 Types of Overload Protection
! H# l% B8 {7 w7 G28-304 Number and Location of Overload Devices (Appendix B) Table 257 C( w1 V: R; }6 ?
28-306 Rating or Trip Selection of Overload Devices (Appendix B)8 k s4 j6 r" W3 P' Z
28-308 Overload Protection Not Required3 ?1 g: H* v V: C
Undervoltage Protection
2 I) t* t( a3 G& m% B; p9 H28-400 Undervoltage Protection Required for Motors (Appendix B)
1 M: W; [$ M+ o" yControl
' `$ z* A0 p6 z; u28-500 Control Required
" C8 i6 V6 W4 N6 J) l7 G0 {" `28-502 Control Location
8 [5 P/ a9 K6 Q28-504 Starters Having Different Starting and Running Position
1 j% Y8 i9 J4 S6 s28-506 Grounded Control Circuit& }3 Y5 X) b: [3 w' K4 w$ U$ z; C- W
Disconnecting Means
4 q8 j# o# l0 `% b8 q2 k; Q28-600 Disconnecting Means Required
! c, y" Y }! B. x- S5 ~8 g$ n28-602 Types and Ratings of disconnecting Means (Appendix B)2 H1 D( P w6 ^" `! {
28-604 Location of Disconnecting Means' D2 |& w: a: M5 u* x
Hermetic Refrigerant Motor-Compressors
l( K0 b" G! r8 k, Z# m28-706 Conductor Ampacity
; d' _& w; L# S$ P8 \6 l9 j/ v28-708 Overcurrent Protection, l: m) r* v- u! u- ~* Q
28-714 Disconnecting Means
8 v1 K% j* `# e" CProtection and Control of Generators
3 E' j. x9 W5 C. l, m28-900 Disconnecting Means Required for Generators
4 c8 p, N- u! ? {3 \% [( B28-902 Protection of Constant-Voltage Generators( \( v5 b# ?9 R T6 f \9 D( [9 Y
28-904 Generator Not Driven by Electricity
3 h; m( j1 N4 I Z28-906 Balancer sets
/ H- Z2 h* h0 t7 v2 Z6 T- Q28-908 Three-Wire Direct-Current Generators, |# U% I R0 x9 N7 c9 E# m( ]' |: N5 K
* q- T- f* t- u) R, W0 |/ s- |1 ASection 30 Installation of Lighting Equipment
% ^. Y0 l+ B) @- z- V30-002 Special Terminology (Appendix B)
* L& {' H* W: @General
G. _4 e$ _5 i, w, [9 g% S3 N0 w30-102 Voltage
% ]# P5 l( m( Z& o( v30-104 Protection (Appendix B)
* d" s" j5 P$ J. G30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment9 o0 S8 v0 i4 g0 N/ {- D' |; F
30-108 Polarization of Luminaires% w( X& Q( V5 I/ _. z- g
30-110 Bonding of Lighting Equipment
' A- o% r7 j+ ~) I0 qLocation of Lighting Equipment. E+ a! j& T4 @7 D' m, U# T; b
30-200 Near or Over Combustible Material
. A) r" m/ ~. N1 O. u1 f: C30-202 In Show Windows, F7 S _9 c; E( N; W. G
30-204 In Clothes Closets. B7 I. p% z- T) Y( a
Installation of Lighting Equipment
) ^' W6 ^9 A8 k30-302 Support
' o7 d. s- O1 ?9 P8 _30-304 Outlet Boxes to be Covered1 m2 r6 P* K1 Z6 u v
30-308 Circuit Connections- V6 h1 n; x9 f5 M
30-310 Luminaire as a Raceway" n u! L) {) n* m
30-314 Minimum Height of Low Luminaires
4 v4 S& ^3 d+ g$ p. A# q' m% P30-316 Luminaires Exposed to Flying Objects
! _! r$ B( { |' }9 \; W- R }30-320 Luminaires in Damp or Wet Locations
7 {3 V2 G5 ^" F# a5 S$ g0 SN 30-318
, E6 {( m N$ M. f' TWiring of Lighting Equipment! D/ `6 p3 ?; t* g* h- L F
30-400 Wiring of Luminaires0 y- Z& J1 q9 [" m
30-402 Colour Coding
( W+ S! c3 ^& S5 }30-404 Conductor Insulation0 ?. D5 @. o: l1 P
30-406 Conductors on Movable Parts! w# c5 X1 b2 ]* e
30-408 Wiring of Ceiling Outlet Boxes
w& [0 W. J3 X* z" s1 k5 V30-410 Wiring of Show Window Luminaires6 O d0 B' ^9 \8 T. _9 f6 L. s
30-412 Tap Connection Conductors" Y0 ?( F) I6 W- m3 r3 m
Luminaires in buildings of Residential Occupancy6 B" c* _( O3 R5 J# `. R
30-500 Lighting Equipment at Entrances (Appendix G)5 X1 c: o, C" V+ Z+ s
30-502 Luminaires in Dwelling Units (Appendix G)
. I3 C% a, j( n- ]! P30-504 Stairways (Appendix G)0 B6 W* l# t( N) V' n+ q+ v6 \$ t
30-506 Basements (Appendix G)
# P: ]; ]& v( _4 o2 ]30-508 Storage Rooms (Appendix G)% m4 X2 a; l6 E
30-510 Garages and Carports (Appendix G)4 q" i% y1 v* Q9 M6 f7 ^
Lampholders
. d# d, @4 f4 [' U) l2 v30-600 Lampholder rating with Incandescent Lamps" D) T" Z0 ^' Z3 s+ }" m
N CANCEL; `- D6 c" [% L# K
30-602 Connections to Lampholders0 S; M% _- N4 w* q- Q0 N! Q" u/ B$ C
N 30-600! ?; A, n4 S# Y5 r% N
30-604 Switched Lampholders Used on Unidentified Circuits
# [# a a7 w" P; |" q) JN 30-602
e/ n* ^; h2 C1 M. n2 [, \30-606 Switched Lampholders with Pull-Type Mechanisms& @5 C q. S9 W$ T- N1 C
N 30-604. r- E$ s" ^8 [) F" M& }
30-610 Pendant Lampholders, p( ?% a' L+ J2 T) O. Z, H# ^. z
N 30-608
2 A- R8 \4 u! S6 S) v, X- QElectric-Discharge Lighting Systems Operating at 1000V or Less
" I2 A9 M; j8 y9 l30-710 Control (Appendix B)
! M% d" `! \+ K- x! n, F2 i6 H) n30-712 Branch Circuit Capacity0 l1 L( I# m( E
Electric-Discharge Lighting Systems Operating at More Than 1000V
9 w7 _1 _5 ^: B) _$ M30-802 Voltages, Dwelling Units
1 o9 e8 b8 j9 J( `( v30-804 control (Appendix B)
' L$ Q* k! I& ^7 D( PRecessed Luminaires (Appendix G)
6 p" U; I# G" H30-902 Spacings for Non-IC Type Luminaires' J: h1 n( U+ n3 u3 |
30-910 Wiring of Recessed Luminaires (Appendix B)7 h3 k# X9 o) @9 K$ z
Exposed Wiring for Permanent Outdoor Lighting6 N" s0 X, ?5 I1 z3 U
30-1120 Branch Circuit Loading and Protection3 a1 ?* T- `4 R5 q, M5 |
Extra-Low-Voltage Lighting Systems
1 u$ }! [( J. d30-1202 Sources of Supply1 m j+ [5 v& T8 {8 E. f; }
5 r6 k0 z, p$ {0 u0 d0 s0 _
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)) p2 g! E* D; k N: C3 W' {
Fire Alarm Systems
' a; L1 q; o; U32-100 Conductors1 u+ [; q- ^: u8 x, ~$ v
32-102 Wiring Method
1 q5 B7 s' E7 G" l9 ^0 w: v8 {32-104 Equipment Bonding
4 F. X0 W7 E: U; c3 {" Z8 k32-106 Electrical Supervision* u( s; A3 u" P3 o
32-108 Current Supply0 u) g# h: f9 d5 t
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)- T7 o/ ~( G* q8 i. r5 F
Fire Pumps# {1 B2 B; [ A! B& \! n
32-208 Overcurrent Protection (Appendix B)5 V8 P* v1 G: X8 t& O$ x8 c
N 32-206% L5 w5 N: C6 V8 V" I
32-210 Overload and Overheating Protection (Appendix B)
8 l: c5 K' L G32-212 Ground Fault Circuit Interrupter (Appendix B)2 V9 P0 ~$ V$ f9 @
+ ~- ~% S) \. R( dSection 36 High-Voltage Installations
1 }" x. l5 T: z( q2 S7 lGeneral
) J, E" V% |/ F" F( k6 X& @, E& k36-000 Scope (Appendix B)
* w% J" u! r3 |7 G+ d) F9 @! ~36-006 Warning Notices$ t( M' Y8 }' g, e( Q4 H& H$ F
Wiring Methods
1 Y3 y$ Y+ ?5 i$ \- d) \36-102 Radii of Bends
/ z* s8 r4 A0 f5 _% m; e36-104 Shielding of thermoset insulated conductors! `( F9 a; F2 n
36-108 Spacing of Exposed Conductors (1) table 30, table 31: Z2 X+ y7 I( v2 a( W0 M8 E
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34. D( @: o$ o. l) c$ Y
Control and Protective Equipment
4 P/ M7 S1 N- C% h; d, X36-214 Disconnecting Means4 {6 k3 ?4 U* A6 n/ |% U
Grounding and Bonding: ^4 x7 R' a, V; I* h
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
+ V" @9 s2 L* y* p' a* a% l36-302 Station Ground Electrode (Appendix B)
4 J+ }3 W* Y+ g36-304 Station Ground Resistance (Appendix B)
z- K. i" V0 N) ^' f36-308 Connections to the Station Ground Electrode (Appendix B)
* v0 Z* R9 S3 q; L, G36-310 Gang-Operated Switch Handle Grounds
% f$ {$ W8 {3 k' Q36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations/ ?8 u+ B/ |1 A5 u* A
( }: H# V3 W0 G$ @3 J
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
" d( H% C( Q& N38-002 Special Terminology (Appendix B)" t0 L' I, n' T$ J9 U- F `
38-003 Voltage Limitations (Appendix B)
7 z9 f" w5 B6 l# K. }# R& P9 Q38-004 Live Parts Enclosed0 t' O5 V E" A" K' S/ X
38-005 Working Clearances: k) B* x" u6 B9 S; y
38-011 Insulation and Types of Conductors) K2 A3 P1 O! B) c9 b
38-012 Minimum Size of Conductors
; ^- d& V# ]4 i6 h& e3 ^/ W; {8 a( b3 ^% X, E5 K
Section 40 Electric Cranes and Hoists3 x8 ^& G4 M: w0 C C8 w
40-008 Disconnecting Means
( M) p0 Y: \1 f f40-010 Main Contact Conductors- i4 H; R& ?7 V
4 a7 N. A$ ]7 e
Section 42 Electric Welders
% I+ g/ ~9 }& v, d$ n: e/ ^6 KTransformer Arc Welders
0 L' g" E- {/ c' p! M6 q42-006 Supply Conductors1 p9 ~2 D; G. G; C
. Q' v7 U: Q( ^$ ^& nSection 44: Theatre Installations0 U. v7 U* F1 T4 V& Z
General
: F2 n9 U$ [ i1 D* v) R44-104 Number of Conductors in Raceways
# q/ A5 j$ v0 s44-106 Aisle Lights in Moving Picture Theatres
9 M% |: S* }7 y! b( U* X5 U( d1 wFixed Stage Switchboards7 a, C1 J1 G- U9 ?, Z, |7 K
44-210 Overcurrent Protection
# Y# }( e# c4 x) W7 w1 y! q" DFixed Stage Equipment
+ N+ T6 n. q3 \44-324 Receptacles in Gallery Pockets
3 |9 o3 Y1 `9 ~; A1 r44-326 Receptacles and Plugs
. ~. J5 b, }# f1 o
% m& r! f: v: Q7 E" HSection 46 Emergency Systems, Unit Equipment, and Exit Signs
3 }) l0 C" t# X; F, rGeneral3 u% ^) r0 V3 I6 t
46-102 Instructions
0 c8 {) A5 R- B( l5 }3 C46-108 Method of Wiring (Appendices B and G)2 D) T- c+ F3 e0 X
Emergency Systems
# I( R+ E3 H8 h( {. R46-202 Supply (Appendix G)) Q7 c. h1 W* v, ~% n
46-204 Control! J7 p' j2 m ^ K
46-206 Overcurrent Protection. O5 l+ x/ e2 c2 g5 i
46-210 Remote Lamps7 o" S7 k w4 Q7 k$ A2 Y
Unit Equipment
7 i( u& k/ y$ l! a. M8 r46-304 Supply Connections
* y) z- K( Z6 `( l46-306 Remote Lamps (Appendix B)/ c5 a4 D* p/ r( L# o5 X4 Y; z8 M
Exit Signs. u+ B7 S* }- m
46-400 Exit Signs (Appendix B and G)
& @5 \9 d- \8 p( l/ i5 `3 G
0 G0 T, V% e! D9 a9 m: CSection 54 Community Antenna Distribution and Radio and Television Installations1 a' c) z; p8 T7 f
54-000 Scope
8 _! q+ z5 ?( X2 Q54-004 Community Antenna Distribution (Appendix B)( T5 G) ]* I8 d# e: q
Community Antenna distribution8 i c# ^ q" `; b* e% i/ N. |0 ^
54-100 Conductors" X6 e1 l/ V% S G2 M( Z
54-102 Voltage and Current Limitations (Appendix B)
7 E8 `8 N2 f$ H* t% ?7 f7 TProtection) h7 d8 \- @; l0 M4 V7 z
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
* G2 y) S+ L+ P" H1 BGrounding2 Y7 t6 A" o1 u1 R5 L0 Y
54-300 Grounding Conductor
$ P N! }3 B `! ~Conductors Within Buildings' O3 p2 U- D: L$ \. `4 ?7 w& C
54-400 Separation from Other Conductors# R- ?& a4 n6 M9 S: Q
Equipment
) q" T2 p. J8 i& x54-500 Community Antenna Distribution Amplifiers and Other Power Sources
7 T. k, W5 e) s7 O54-502 Exposed Equipment and Terminations
8 \5 P y* ^# Y$ G6 x7 P6 N5 f7 j) p$ s" F
Section 56 Optical Fiber Cables
1 V. M* o$ \) a2 K, J3 pGeneral( X" C: B! b5 J( u- ~: y+ J1 k1 X# S
56-100 Special Terminology
. v: k7 @; M0 j: ]: p- }& \56-102 Types
; Q( C7 d2 B& A9 d8 w) ^1 @Installation Methods) A9 |7 c) s4 K% N
56-200 Nonconductive Optical Fiber Cables (Appendix B)
& D6 E$ `# @5 q( }56-202 Conductive Optical Fiber Cables (Appendix B)+ k: e8 g2 h8 j4 f" J/ ]
56-204 Hybrid Cables
* S7 w4 w+ D( b56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
% c' }2 b+ R) l* }/ N! A' L1 h! }$ Y2 E8 B0 c4 E8 O. j
Section 60 Electrical Communication Systems
, ]- O. E4 o" {) h/ H6 v+ EGeneral
7 g- m8 j4 L3 d, o8 b2 R60-100 Special Terminology: D7 ~3 p, r- w8 y
Protection
( z w5 b& V0 H Z, j# K* `! d9 G+ u/ l60-202 Primary Protector Requirements
6 t' W: p1 z) I' T! [" lInside Conductors, ]% U1 }4 X) k0 x/ M: h9 ]
60-308 Separation from Other Conductors5 H% m, x% |- k. N- T6 R* h' @
Equipment
' }" d* M* Q6 Y: P- Q60-404 Exposed Equipment and Terminations7 C9 @8 p1 M* q6 m
Underground Circuits2 t% ]. l' c! @- a3 f5 r
60-600 Direct Buried Systems% A" V9 w2 a5 N) m1 e& m% k
* ]" `& U2 D: J- e; M
Section 62 Fixed Electric Space and Surface Heating Systems
( @& ? g' n& G! s8 MGeneral
9 ^0 Q9 @; S! T! k9 n* L* ?3 G8 D* L62-102 Special Terminology
- j @) [- ?; c+ P62-108 Branch Circuits* O/ c" G) r$ K1 K0 m/ Y* W
62-110 Installation of Fixtures: D8 u" m* I) ]+ W: N
62-114 Overcurrent Protection and Grouping (Appendix B) (5). H% x2 U+ M. Y. f0 w4 v6 m# p
62-116 Demand Factors for Service Conductors and Feeders (2)( S, {3 s; P. o+ _; X+ Q: c
62-118 Temperature Control Devices
6 y( N- M; o- I& X- k) r! \6 t62-122 Installation of Series Heating Cable Sets (4)(7)
4 p L, u4 g7 [6 v' R1 NElectric Space Heating Systems- ]2 P- c `9 I( n) t
62-202 Temperature Control( j( m3 u/ G2 ?
62-206 Proximity of Other Wiring (Appendix B)- \9 P1 q4 m2 E: w& _# ?) x% y' A
62-214 Installation of Heating Panels and Heating Panel Sets
# F' Q1 c# Y! h62-218 Series Heating Cable Sets in Cement or Plaster Ceilings6 [0 `9 B# x( `, V
62-226 Installation of Under-Floor Covering Heating Panel Sets. o) W% _' G7 r: i5 e8 u
Electric Surface Heating Systems/ W( Q f/ Q o2 O" r' W9 V
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
9 V4 S% [8 |: N! U
' r' y/ U3 U: w# NSection 68 Pools, Tubs, and Spas
+ @2 T9 H5 `+ v V9 gGeneral
( H( Y/ ?5 d5 k7 p0 k! Y6 }, ?68-050 Special Terminology
, S1 r+ x& T8 I% a, k: k68-056 Underground Wiring - Table 61
' P8 j7 p g6 ~% J" a+ A! i68-058 Bonding to Ground (Appendix B)6 G8 t X/ a% V3 p5 K. D
68-060 Junction and Deck Boxes (Appendix B)1 |. f" M$ [9 u4 Z& Q
68-064 Receptacles$ {3 e1 z1 V; D7 o
68-066 Luminaires and Lighting Equipment
- v; o: _$ u7 c/ j7 |5 M" k1 n% y68-068 Ground Fault Circuit Interrupters (Appendix B)- }: T( r0 |, x: \3 \/ g
* U7 O: D+ h, f* F: r. K( M# sSection 70 — Electrical requirements for factory-built relocatable structures and
1 B9 q1 b0 t& T# r% ~non-relocatable structures
. @! e1 D) x/ ]70-130 Tests (see Appendix B)7 w: o% j' E/ J$ Z
' ?3 N+ W0 r$ l) |, i# ]/ p
Section 76 Temporary Wiring (Appendix G) B' p9 a+ V# S& k) s2 {; A( x
76-004 Grounding" G, G* G. F5 q; f& t- D2 n- B& ?
76-008 Service Entrance Equipment
/ u5 x4 C- S; y9 j8 V& @5 qN 76-006
/ c# Y# r+ g8 T5 Z+ d* H9 c: o76-014 Branch Circuits
0 P$ C3 n4 n9 nN 76-012* F/ O% A) S4 f! Q0 B d8 h
, K4 M/ D {" u7 Q. ESection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
. X/ U1 L0 |9 l2 W4 u) B7 QMarinas and Yacht Clubs
7 e, q- h, t* G$ P8 A2 u; b9 h) P78-052 Receptacles
+ o$ J9 M( E9 @3 n8 U# o78-056 Feeders and Services) K. H$ ]0 r+ Y* x% u
Marine Wharves, Structures, and Fishing Harbours
" a: p; D) S6 A7 \$ a78-106 Grounding and Bonding
; A7 }8 c6 @: T/ e) X( U7 q( N7 n) r* xTables( k& o) x. F/ O, r7 d
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+ _9 V5 | N( L: X2 W, G+ R
" d( l% J" N5 ?' k+ y0 KDiagrams: 1, 2, 74 F) R! ~! o, Z3 v. _, j
$ a& G$ `* u% |2 L, Q
Appendix B
1 g2 u$ @0 q7 T/ p- OP352: Ground fault circuit interrupter- 6mA/ w# V& H/ o! N1 o. ]
P354: 2-126 FT1, FT4
& E# J3 P) U( L+ O% A+ KP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)7 r2 \. Y R3 x% S+ K2 u( P
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)( s+ b+ k, V' ~$ `" p f
P370: 12-1012, 1118, 1214 Example:& I6 C* h- ]! @- t, s
P371: 12-1108: i/ ]9 C1 b- Z5 S
P381: 18-108(1)(b), 18-158(1)(b)4 H F# n7 `4 ^9 m I6 ]: S' I; T+ r
P386: 24-206
3 {5 O9 [9 Q% W& b! uP389: 26-256$ s4 F, D2 g6 Z6 }/ J4 B2 [) Z7 h
P391-P393: Section 28, Example to determine Motor Conductors and Protection
n, s6 Y# H( Q8 b, e/ n( C
; G6 m8 U; b+ DAppendix D
+ C; O$ G' }# ^: m7 j" O8 W0 x5 _2 LTable D1, D2, D3, D4, D5, D6, D7, D16 |
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