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Canadian Electrical Code Review Guide+ g: i& K+ [' T" y% b
For the Exam of Electrician For Red Seal License4 i+ f" I& C4 w
: J% h3 A. X- S" i; l) b5 K* w0 `Lesson One
" q& M. ]/ A; @9 iSection 0 DEFINITIONS
7 A* ^: P' L* A) w4 J. u0 I( vThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
, F( a# I6 z: y7 YAccessible as applied to wiring methods
! U" a6 k- N5 _6 L/ f, GAlive or live5 V( {: i! s( g0 o9 V; [2 u
Aluminum-sheathed cable8 \2 D8 J: N6 m0 I
Ampacity3 F6 n! @ q% }. o5 i. v
Authorized person" W2 W) ~ n Q. q# Z
Auxiliary gutter- _! ^1 s3 S- G, p: i8 W
AWG
: { j6 j3 @" J3 N+ CBonding# L. ]; ` _" s2 ?
Cable tray" H+ E4 u5 ?0 Q8 ~5 ~7 C
Cellular floor
9 z* Q- B7 s) ]4 a; ~Branch circuit I! i' s4 w2 H0 n* R1 t7 W; g
Bus$ _4 o& R9 N" M) j. R( a; N
Busway
/ F5 x# p* B$ [( _' q- M' ?7 \5 S+ UCommunication circuit# }) n( b) a; t8 q
Extra-low-voltage power circuit ?2 q3 T' e6 T. {8 ^# w
Low-energy power circuit
' o/ a8 h9 l8 N" {/ L0 hMulti-wire branch circuit* C' t. ^9 P" W/ k" u) P
Remote control circuit
2 G& Q F+ e. S9 O8 W3 } h% HSignal circuit. a- q- k) {7 k5 g: w5 u5 o, t4 b
Circuit breaker
b. z; \. E4 @# IInstantaneous-trip circuit breaker# H; F4 {1 Y2 l1 y
Conductor
8 o3 i4 _8 h5 ?Conduit
2 V! q- Q7 f1 l" F Flexible metal conduit
' F: C2 s; h, T. R4 L5 n* U Liquid-tight flexible conduit
1 Y8 I1 b4 X6 J" i' B/ |+ K Rigid conduit
% O p# w M' Y4 c2 m) P Rigid metal conduit/ N( `% y$ p1 p$ \5 b* R0 n1 |
Rigid nonmetallic conduit. b( k/ U! T! m
Rigid PVC conduit, x$ F% K& N) q: R
Connector
% s; Z4 z _( ~, }5 c Box connector
@3 A; _9 m* l4 r- c3 j Wire connector
0 Z) k6 z+ C% @/ v( A, qController
$ F+ B k" ^) o( \+ ZDisconnecting means
|# K5 ?# H! LDust-tight+ H: ^; G7 U; t0 T8 z
Dwelling unit
: f/ a, S; S a& X! HElectrical contractor
9 M4 W, O. h: XElectrical metallic tubing
, [4 v' l2 N B5 n* h* mElectrical nonmetallic tubing
9 \: T- s! N7 V1 HEmergency lighting
8 @" C9 Q# J2 YExplosion-proof1 F. ^' ^! H% G H' B, j3 l
Extra-low-voltage power circuit
8 I! m( d. e4 C( g _1 E. o0 tFeeder* F% S0 r* K6 f: \+ ^
Flexible metal conduit/ B. k, F$ a& V% f, j2 g
Ground
, D2 h/ y* T2 S" R( K8 bGround fault circuit interrupter- [9 x; B- z; |( b# V" q9 p
Grounded! j% k6 M' f3 f+ W# K' j8 P
Grounding" m" Y& c" F5 `% D& I: Y8 W0 c) M) _
Grounding conductor
7 B' I% [4 J( q. A1 A, AGrounding electrode
1 M0 i% \; V& N' ~" R+ ]Guarded: j- Q8 J+ a& {2 X0 [
Hoistway
) Z' B: W5 t6 X# b0 c, [. RIdentified
# L) M: ?& E; H6 ] ^) ]Lampholder# q+ o( I: Z7 `: g/ C" ]5 c: t
Low-voltage protection
+ Q$ M2 M: U' Z- Z+ m! c5 |+ g" C7 b7 ?Low-voltage release$ \ n3 v; ^ k: ?/ l, J5 y Z
Neutral
' Y; Z6 X5 `# [# _Noncombustible construction
% @9 A; R; G' N2 |$ _4 V- COutlet
? Z9 Y3 `/ z$ I2 ]Outline lighting
( E7 g3 d$ L% T9 KOver current device
% ~0 c5 ~* A! [% K$ UOverload device# D/ f3 U0 d+ Y7 J
Panel board6 ?% e0 \9 o: F: N5 \- n
Panelboard, enclosed
5 l2 p! p5 Z8 L- G& d, ]Permanently connected equipment
9 ~ J# O* {% ?Permit
3 S7 _% W% ?' o- k: C3 ^Plenum+ s3 g9 h; ]" x6 b
Portable as applied to electrical equipment
4 L9 s# g9 F) V: X; GPortable ground fault circuit interrupter U- i$ X3 H+ A2 K0 N
Power supply cord3 J( \2 F8 k% e7 M' [8 g
Raceway3 m$ B# J/ S/ T. q) M* f
Receptacle
' z& w, \" P, @ Duplex receptacle
* Y z! J& d/ P$ J) j V Single receptacle
6 r* U7 r" _' g5 R Split receptacle
8 U/ {8 \6 f9 o, `. N( ]0 B; ZService, consumer‘s
/ _" ~* y2 X5 a& c2 O) YService, supply
$ A) [$ j3 v# z* J( jService box8 r Z' {% D K
Service room
* q5 p6 ]! R8 W+ L$ uSingle-dwelling
& c9 O1 V& @) c( R9 U* tSlow-burning as applied to conductor insulation( }& y4 U1 ]2 V d) }# q
Splitter1 j, X# n! G: c* I1 G! F
Starter
* B7 [" V6 X1 J8 p eSwitch) s q n5 m. Q H: `1 n# }
General-use switch
! A, X9 C+ v$ [! ?0 N* z- } Indicating switch. k( V7 P* B4 h; ^4 I( G" A
Isolating switch
" f# ^* h1 l' [ Motor-circuit switch
& A! n( {' V" {$ M7 YSystem
] S4 |* \+ g/ X3 G9 Q: ?* I Communication system
6 G# s6 k# D& _8 J Community antenna distribution system(CATV): o1 f [# m$ g0 f$ F
Grounding system
3 z K& I4 V& b7 bUnderfloor raceway
& T2 z- I! Z w7 I- EVoltage:( I& _7 `/ [2 }1 U* o+ K0 P- S* Y
Extra-low voltage
! n B( B: m, P0 R E- D4 r High voltage
* |% [3 G4 _) p3 _# [ Low voltage
) [; N8 R* A6 B. A1 w- sVoltage of a circuit' e2 v7 t- x" S( b& f3 S+ M
Voltage-to-ground# l, m2 a2 S( t6 `4 q
Wireway
! A, Z( {/ ` k7 l
9 U+ p9 D( a+ ^# m2 j& `" NSection 2 GENERAL RULES
' O8 ~5 C$ u! o) }Administrative
& h0 @4 D! `, Q4 B9 D1 @' G2-018 Reconnection- ?, ~8 m: v4 V1 `* C. z
2-030 Deviation or Postponement
3 B7 G. W4 O& gTechnical General
5 K+ M# U6 C9 x. O' o2-106 Circuit Voltage-to-Ground – Dwelling units
' w" l3 z# C& w* q t7 X2-114 Soldering Fluxes
0 o0 N1 g" U# K) |9 A2-116 AWG Sizes of conductors
4 i( |9 O- _0 V g2-124 Fire spread (see Appendices B and G)3 c+ r: D3 y" ?9 U7 g
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)0 V% O4 ^# z. B( O1 p, k
Protection of Persons and Property+ k. a. @# N! I4 t- y
2-202 Guarding of Bare Live Parts4 j3 m- I4 A' T! X
Maintenance and Operation) T% A! R9 Q( Q, Y0 b0 L8 \. H
2-304 Disconnection
" t( V, \: D5 @0 P2 T2-306 Maintenance of Live Equipment
; J5 I4 ~& z5 P, S+ QN 2-306 Shock and flash protection (see Appendix B)3 T! t6 { J) ~4 v; ^$ p
2-308 Working Space About Electrical Equipment: Table-56" n# g3 X/ o1 C0 K O2 `
2-310 Entrance to, and Exit from, Working Space
3 I9 x$ u* A/ g) c0 E# R2-320 Drainage% V) e( D2 ~2 {1 B2 T1 W, \
2-322 Electrical Equipment near combustible Gas Meters and other Devices
6 q$ i# x" U' F# v3 f( [& N# M' B! E( ?Enclosures
' F4 l# w! k0 o! r1 v2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) - E% z& T1 _" a" d5 Y# o
2-404 Marking of Motors: DP, WP, TE" {2 D" h* I: ?: \
6 y# L w- g* I7 ~3 \+ d7 m( X" ]Section 4 Conductors4 U* s" P. |( S1 K( Y0 S+ l! F3 j T
4-000 Scope8 d* N1 x( r4 G7 `# R1 O
4-002 Size of Conductors: 14#, 12#
0 A& e2 v/ q. L' y0 c) }9 s4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36/ R0 n0 U5 R' \& E6 [
4-006 Insulated Conductors: Table 19
) W% W" @ t5 e1 _3 Z" q4-010 Uses of Flexible Cord: Table 118 T! `* z; |4 |( e) p% C5 O
4-012 Sizes of Flexible Cord
9 x- T& s, d7 A1 D; h4-014 Ampacity of Flexible Cords: Table 12- x& u# _) B/ B+ Q/ B; z
4-018 Equipment Wire
9 q+ b2 H2 n- I# q- O4 c7 f- v4-020 Insulation of Neutral Conductors8 H9 X9 |" V: Z) f8 ~% \
4-022 Size of Neutral conductor
# l+ [4 p, f) d# O4-024 Common Neutral Conductor. Y0 r% c. l6 E v: t9 m$ [
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
; h" T" G" X) U! Q4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum0 Z* A! p( u4 \* o2 I8 |% V1 b
4-032 Identification of Type MI Neutral Conductors' I0 s7 o6 @0 o& K, K. q$ H
4-034 Use of Identified Conductors* ?6 Q' U9 L Y+ f
4-036 Colour of Conductors: Phase A, B, C, …0 G( z- w5 t, h& S
8 a. J2 g, F; D. t& ?9 m% A0 C
Section 6 Services and Service Equipment9 ~* D3 k" N1 b6 U: x! L7 Z
General
/ g5 W t2 j* Z \9 _+ s6-102 Number of Supply Services Permitted
! T! b; ?6 R F. h- |6-104 Number of Consumer’s Services Permitted in or on a Building" j P5 ]1 G9 [" u$ q8 P/ p# M/ ~' [. }
6-108 Supply Service from an Electric Railway System
3 {9 P9 h# |" _+ x l+ ?& T6-110 Three-wire Consumer’s Services + E( n* g. u' Q; B7 D* d
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
7 F$ B4 {" t7 z6-114 Methods of terminating conductors at consumer’s service' s6 ?2 N; m1 _- p. f8 E" l0 c8 e8 ]
6-116 Consumer’s Service Head Location
& B7 Z y4 Q- @$ p& ~Control and Protective Equipment
# u# o: c+ C2 O0 Z6-200 Service Equipment
0 R" V3 r' j4 ^6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)9 N) w/ O1 C: q, W. @9 F4 ]
6-208 Consumer’s Service Conductors Location) M" ^5 F( U8 k& z2 `" {
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
$ c+ x0 T% `6 t$ H' L6-212 Wiring Space in Enclosures( O- K; A" }8 q; l
6-214 Marking of Service Boxes
- d7 j6 \* S7 `6 A# D) qWiring Methods
" N4 w* E0 a+ [; {. M h6-300 Underground Consumer’s Services
6 t( `. [. e# R0 {) B u }. l6-302 Overhead Consumer’s Service Conductors
# N( ^2 H# K B0 v& r0 q- k6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
, N* o1 t8 H8 H) l: Y6-306 Consumer’s Service Raceways$ u" t# l1 Z1 B7 Z6 m* b0 i
6-308 Use of Bare Neutral in Consumer’s Service5 n! \9 e) [ N C
6-310 Use of Joints in Consumer’s Service Neutral Conductors/ v) h1 Y" s0 u5 e! r
6-312 Condensation in Consumer’s Service Raceway3 L5 z. j4 d& g, i1 } O0 ~
Metering Equipment
/ p7 m/ a. g5 A" c6-400 Metering Equipment- p1 |& A! O {7 I) c
6-402 Method of Installing Meter Loops3 w8 r0 O- i5 d( @- g6 k
6-404 Enclosures for Instrument Transformers# [3 \# v: I1 I' V' z
6-408 Location of Meters [. ?. N% _- i M! h( k8 ^( B( H
$ c7 a. G& x+ i% {6 R! aSection 8 Circuit Loading and Demand Factors
; \& F$ u2 n0 F8 j# A& L N* oGeneral; v) {5 v$ f1 t( \- m
8-100 Current Calculations; }8 A5 r! I: V0 c8 d" a
8-102 Voltage Drop ( see Appendix D)
# U$ e0 U/ ]: C( ?5 S8 A+ m8-104 Maximum Circuit Loading$ n$ G4 g* x+ s
8-108 Number of Branch Circuit Positions
1 ]& t. J. N3 w8-110 Determination of Areas
& [4 h$ L- Q' i' ZServices and Feeders
6 f* y5 A3 J N( m8-200 Single Dwellings (see Appendix B)* I" q* D) F- U; T/ J# @2 P
8-202 Apartment and Similar Buildings" y% D# N( t; k$ S) U$ s- |$ w! w
8-204 Schools' i2 N1 ^4 o3 Q- {
8-206 Hospitals/ `6 f2 l" t, ]6 c5 T/ ?( n+ j
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy5 r- }- C( d! v/ p6 J
8-210 Other Types of Occupancy (Table 14)$ P: |: B# O3 t, u6 E0 N1 a
8-212 Special Lighting Circuits: _* l+ ]/ H! f/ N$ I
Branch Circuits
# P5 k2 D- e) e8-300 Branch Circuits Supplying Electric Ranges+ k1 R) o2 a5 u& B0 N
8-302 Connected Loads7 P2 g5 @# v1 h
7 X: d' \2 @9 z+ A9 oSection 10 Grounding and Bonding
+ i0 L& M* A2 O5 o7 [- bScope and Object
8 S. q3 o0 a: b) ]. u$ u10-002 Object
& _4 X# @* E5 y$ r9 a# P e( L& T" oSystem and Circuit Grounding
9 J; M. \4 V3 }' p/ [10-102 Two-Wire Direct-Current Systems* q' a# Q! D% X5 _ f2 m) Q
10-104 Three-Wire Direct-Current Systems
M7 r$ ?( j* J2 A- Q- E10-106 Alternating-Current Systems, S7 w% p) c' Y/ }
10-110 Electric Crane Circuits
6 I# Y# a2 R9 b4 H$ `. \9 N10-114 Circuits of Less Than 50 V5 N: u8 U( ]* Z5 ?. ^8 [1 a( J) l
10-116 Instrument Transformer Circuits
! j2 w {% N6 Q. A m& xGrounding Connections for Systems and Circuits5 { {' E8 l4 {8 s4 w. g
10-200 Current Over Grounding and Bonding Conductors! Q# f% v$ P# j; k; y
10-204 Grounding Connections for Alternating-Current Systems3 s0 f" b. @% d
10-206 Grounding Connections for Isolated Systems
R6 l8 K" \5 i3 r- @1 r9 l. ~10-210 Conductor to be Grounded- y( W, t0 v3 q( p. S/ _
Conductor Enclosure Bonding
: ~8 j5 C1 F" D1 X6 N$ F/ O10-302 Other Conductor Enclosures
+ G a9 x3 \% n$ i7 b- g& [N 10-304
- c/ M; ~! t8 f2 B! b6 l1 fEquipment Bonding
; i3 H) q4 Y5 z! R! p6 W5 e10-400 Fixed Equipment, General
; G, C6 `; ]. G& B$ b! }& J& k10-402 Fixed Equipment, Specific (3), (4)
; y8 b! V5 K) t( {, q+ A10-404 In Nonmetallic Wiring Systems
- F7 e+ d1 E2 [# d. I& J10-406 Non-electrical Equipment& [6 f* B3 ?. K$ E
10-408 Portable Equipment (4)(b)1 w. h/ l6 f' q' `: P- n
10-410 Instrument Transformer Cases) I: r; _% S- `: Q
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
8 M: Z2 ]# h; u10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
3 |0 H. \4 ~$ w* b3 w# y! @: PMethods of Grounding3 o# A6 y% i' ?: S. e. I
10-500 Effective grounding (see Appendix B)1 }" f! V, ?1 P8 l
10-502 Common grounding conductors
& f0 H, H' N- p' u4 \" X10-504 Common grounding electrodes
) L8 A" \2 n2 k" m& |Bonding Methods
6 X: \: ^. U, c6 n( M( [0 b8 Q10-600 Clean Surfaces
, p1 q; o8 g# F10-604 Bonding at Service Equipment; e$ C& {0 f+ I6 {8 N
10-606 Means of Assuring Continuity at Service Equipment0 Q8 f8 `$ r2 ^3 O O2 `
10-610 Bonding at Other Than Service Equipment
8 O* J1 q0 A5 I" Q0 a! n10-612 Loosely Jointed Metal Raceways
- u: {) H/ h% E' l10-614 Bonding Jumpers Table 41* M- u5 O k7 p
Grounding Electrodes
: Q, A% h! R0 W10-700 Grounding Electrodes
$ W0 O5 |. R: e$ `+ d10-702 Artificial Grounding Electrodes
; R' m, R) ~# y' c5 ^2 k6 Z6 z( aN 10-700 & 10-702
( v. I" P+ x. u; N" f( ^, V10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)$ w, h( G2 @2 j- K/ m4 x X% q
N 10-702
5 O+ k! d6 A# w! u# N7 K10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding' J F6 l4 ^/ Q1 `
N 10-702
1 q' W9 Z+ M4 a- Z. q" W0 w9 ]10-710 Use of Lightning Rods (Appendices B and G): g( A" U6 _% V4 f- s
N 10-706
( ` y- O5 F4 K# l8 p6 z4 hGrounding and Bonding Conductors) d+ F& T% H) u2 V+ J3 v6 j
10-800 Continuity of Grounding and Bonding Conductors
( I+ i2 u8 A7 ^5 E; L# S. f' Y( S9 B10-802 Material for System Grounding Conductors* K6 u% `# D' P: V+ C
10-804 Material for Bonding Conductors
3 G. _4 h: s Y* e10-806 Installation of System Grounding Conductors
1 p7 }) _: v, X. Q; h2 b- ~7 K10-808 Installation of Equipment Bonding Conductors9 v# P% S7 V* i; \8 \7 w; m
10-810 Grounding Conductor Size for DC Circuits
) [! H+ w% o& n& E10-812 Grounding Conductor Size for AC Systems (see Appendix B)
" N0 H& F: ^4 `' d+ }; @5 E10-814 Bonding Conductor Size (Appendix B)+ M4 i2 [) r" Q1 Q
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment5 W: z- t4 N, N. Q, j; _/ `
10-818 Bonding Conductor for Outline Lighting
4 m- o$ F9 N X, d; @10-820 Bonding Conductor Size for Instrument Transformers+ x0 I* ?$ J2 \7 S& g! U, |
Grounding and Bonding Conductor Connections: h: U& h6 t8 R, q- Y
10-902 Grounding Conduct Connection to Water Pipe Electrodes2 l* B% j0 m% Y: K3 z0 M K
10-906 Bonding conductor connection to circuits and equipment( K5 T, t% X5 j
10-908 Grounding Conductor Connection to Electrodes: ^: n8 L* H. R" f( k$ H) C
Lightning Arresters
4 R+ P( k6 n! i+ W) b1 p6 a% a10-1000 Lightning Arresters on Secondary Services – 750V or Less
1 t* J9 t2 u* K- V9 M. u0 e! o: X
7 I1 K5 n f' x) qSection 12 – Wiring Methods Z" M2 F' ?9 H! S5 E) K, u5 P
Scope9 x3 _$ U/ e p. c" V
12-000 Scope (Appendix B)- ]5 ^7 Q- j& U
General Requirement
% s# k5 U# q) C$ \) j0 T# t12-010 Wiring in Ducts and Plenum Chambers
1 ^, A* E* z: K12-012 Underground Installations (Appendix B)' |3 A" y- F! s! g+ q6 u
12-016 Lightning Rod Conductors
! [# c% u0 Y) U wConductors - General- U& Z0 `' A; B$ |& L- [3 h9 W) a+ `5 f
12-100 Types of Conductors (Appendix B) Table 19
& ]4 A1 l. M- I( I0 z+ ~3 \, ~12-102 Thermoplastic-Insulated Conductors
; `$ l* M6 |8 A% P. H- \# d( d' i% M- H12-104 Flame Tested Coverings9 h2 d, O- K- _! C
12-106 Multi- and Single- Conductor Cables
* s, Z, M8 v) B5 i; o2 ]/ _& x* c4 V12-108 Conductors in Parallel (Appendix B)% a* v# i0 |* z& z4 b* ~
12-112 Conductor Joints and Splices6 x9 Y% j, H( Q/ E2 L1 S5 w; B
12-114 Ends of insulated conductors& n% W# `, U2 T. y, _0 G* K
12-116 Termination of Conductors (Appendix B)) l2 e0 ] ?3 k5 ]
12-118 Termination and Splicing of Aluminum Conductors- K6 ]) ? R. ^6 v: ^4 z3 y3 M( T m
12-120 Supporting of Conductors - Table 21
* j4 A' H) v& N1 I3 R3 SOpen Wiring
V6 f' T7 l/ y, ~1 H0 z3 _: i2 }# M- W( f12-204 Spacing of Conductors/ }4 e4 c1 } ^1 u; S
12-206 Conductor Supports
9 n" Q Q4 J+ r- T5 @7 M3 ~6 _12-208 Conductors on Flat Surfaces
0 c) B( `+ b% z& n7 G* b12-212 Protection from Mechanical Injury2 M+ x; A* ~$ g$ ]1 w; W1 B
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises8 o/ R6 C" j8 s9 o7 r! e
12-308 Minimum Size of Overhead Conductors
f3 ~0 v8 y0 R; K, \; }! r12-318 Use of Neutral Supported Cables4 U8 ~: h( _) V% h4 |. H' `
Nonmetallic Sheathed Cable# Y g! E& K$ w" |( H
12-502 Maximum Voltage4 @: T1 p" N( Q% d- d* v
12-510 Running of cable between Boxes and Fittings (Appendix G)
. s X; D u4 m2 Q A& j+ O+ Q C12-514 Protection on joists and rafters
) _- E: K% @: I12-516 Protection for Cable in Concealed Installations (Appendix G)5 b3 W6 H" k b2 g5 R1 s3 r
12-522 Where Outlet Boxes Are Not Required$ @0 [7 A v0 l
Armoured Cable* G5 q- s# d! l7 f4 U3 c6 l
12-602 Use (Appendix B)
8 R8 G% k2 m2 I, ~6 m/ ?2 N( x: B12-604 Protection for Armoured Cables in Lanes! t9 c. S" Z! ?: Q' m, o* x
12-606 Use of Thermoplastic Covered Armoured Cable& N0 a7 [; m6 X+ X! S
12-608 Continuity of Armoured Cable6 O$ u& I0 g- L9 y7 e6 I
12-610 Terminating Armoured Cable" l; Y1 Q( x) V
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
/ @& c* f& j4 I* r12-614 Radii of Bends in Armoured Cables4 t1 u. P+ M! z& }' e2 _0 M- o
12-616 Concealed Armoured Cable Installation
+ L' `9 }0 u B12-618 Running of Cable between Boxes, Etc
6 o/ @ {6 N0 P2 T! s6 N& k9 B& BMineral-Insulated and Aluminum-Sheathed Cable
% F8 { l' u' s; `' O12-702 Use8 F; t7 M" |, v; {& _" C5 @$ X; p
12-704 Use When Embedded
* t6 k- f& D2 ~- T8 b. R12-706 Method of Supporting
8 `% i0 S' U: }12-708 Direct Earth Burial
: C# s' o, N/ p$ |! d12-710 Mechanical Protection) g/ O( J' C6 p8 y: `# J" ^
12-712 Radii of Bends
+ O. C( b; V* J) }8 [12-714 Termination of Mineral-Insulated Cable (Appendix B)
1 b8 j' _. A% \ o# T12-716 Connection to Other Forms of Wiring* c9 Q7 P5 ~3 Q
Flat Conductor Cable Type FCC
) z' r+ h" M4 \- D" i" X6 H9 I12-804 Use Permitted* ~- M) g' C( p& p- e* \
12-806 Use Prohibited" D+ p! z! b1 p6 ]
12-818 Anchoring
$ {, B( k- t2 R$ f( H4 h12-820 Crossings6 J0 ?, H( B$ G% `9 l" Z& l
Raceways - General
2 H1 `" @* r1 [ ]12-904 Conductors in Raceways
! `; t7 I' M& O. x3 P12-906 Protection of Conductors at Ends of Raceways
& m4 P0 E. G$ x) n/ A1 |9 G9 |12-908 Inserting Conductors in Raceways
( V$ t7 X& q: Q, A+ N1 Q. J12-910 Joints or Splices Within Raceways
R/ n+ b( n4 W# l( [ R12-912 Stranding of Conductors
3 @, i& P* T) a7 H& m( K12-914 Electrical Continuity of Raceways3 T) o, ?0 p2 v' C
12-922 Radii of Bends in Raceways
1 I o# K1 A( I6 D& ^N 12-922 Radii of Bends in Raceways Table 7% k' H( y3 R7 a1 @7 _6 d+ N
12-932 Protection for Raceways in Lanes) `- p; C; s' H, ~. H2 ?1 k
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)2 X/ b A2 E, M. I- _7 Z0 a0 b* y
12-938 Capping of Unused Raceways* C2 t+ X. ~( j5 H& f
12-940 Maximum Number of Bends in Raceways
" o/ I' [, v( HRigid and Flexible Metal Conduit
0 A* R+ W: F9 b7 \' ?3 W' V12-1002 Use
5 G* u" O; a+ \5 H8 l( q8 }9 j12-1004 Minimum Size of Conduits9 f: n3 A( c( A6 M$ C2 S1 Q
12-1006 Conduit Threads (Appendix B)
8 n/ m9 T2 X% B) v12-1008 Thread Engagement {3 T* r: _! {) S! w& }) Z
12-1010 Maximum Spacing of Conduit Supports. w0 d; Y3 j) G+ U! G3 o" q
12-1012 Expansion and Contraction of Conduits (Appendix B)* ~2 J$ K( W% I& [1 s$ j6 d5 x: b
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
1 c4 P9 x/ @- J6 M3 u- [Rigid PVC Conduit and Rigid HFT Conduit
/ T! W7 E- F3 ]0 e12-1100 Use
# e7 i H; n+ W$ ^% F12-1102 Restrictions on Use6 A6 h6 D6 v3 m; U5 b
12-1104 Temperature Limitations (Appendix B)( {, M8 g( n' p8 M' |% o! F: l
12-1108 Field Bends (Appendix B), (2)' e: ^$ P( N( j5 M! g" ` C
12-1110 Support of Luminaires
4 v( `7 |# z7 I- K) A7 v+ @4 }12-1112 Fittings- ~7 @- U( }/ z. @' k
12-1114 Maximum Spacing of Conduit Supports
, K/ H. V/ a- D0 A3 ^5 l+ O a12-1116 Support of Equipment
, @- }2 `' o2 |9 o+ C# u0 ?! W12-1118 Expansion Joints (Appendix B example)6 B& Y* Y' d, C [' H" h4 R' a3 B
Rigid RTRC Conduit
) s, `- b+ d7 l0 | @& I1 v12-1210 Temperature Limitations
; X$ B; e, o7 ^$ [' z12-1214 Expansion Joints (Appendix B)
" b% n7 d: W9 S+ Z; YLiquid-Tight Flexible Conduit
' s9 D* k9 a- ^8 _5 P12-1302 Use of Liquid-Tight Flexible Conduit1 |) O$ E U5 r
12-1304 Maximum Number of Conductors
9 [$ J) I9 F3 X3 w" B( m9 |( Y12-1306 Provisions for Bonding1 `7 }9 ?" a/ N, V; s
Electrical Metallic Tubing
9 `2 W( A* U. L; k" v/ B! R) W, Y. E12-1402 Use
8 C/ o" @7 v. ]' x4 Y12-1404 Supports. q% W" m, b# ^
12-1406 Minimum Tubing Size8 C ]" g; f% ]; W' p
12-1408 Maximum Number of Conductors
* O6 L5 e/ y0 T/ N7 m+ Q7 W# [12-1410 Connections and Couplings: M* C5 }$ u8 ]1 s% M+ j
12-1412 Radii of Bends in Tubing0 g# f' n* Y( }* |
N Table 72 O! n( E6 B1 \9 J
Electrical Nonmetallic Tubing
2 ]$ l% Q# c9 V+ M12-1516 Provision for Bonding Continuity7 D' R7 S( y6 |/ \
N 12-15143 H# M( |( x( q% [4 w0 T3 B
Surface Raceways
' u9 q. M) m X6 l x2 ~- _# X12-1602 Use of Surface Raceway (Appendix B)# i1 j4 {0 [* f, ^' w$ f! Z
12-1604 Temperature Limitations
) ]! G" E0 E( a12-1606 Conductors in Surface Raceways (Appendix B)$ U4 s" O/ y& D/ j+ l9 j
12-1608 Maximum Voltage7 i+ v- X/ E6 N. X$ [3 n
12-1610 Joints and splices ) g9 @. Y& g" o1 H. n
Underfloor Raceways
3 r. ?0 J' [2 n" [8 W12-1712 Discontinued Outlets in Underfloor Raceways% E; t5 ]0 k/ ?( p* X8 y
Cellular Floors7 ^3 x5 G$ H6 _; w& }. ~
12-1804 Maximum Conductor Size in Cellular Floor% u* x H- v# U: j) j9 F
12-1820 Cellular floor discontinued outlets
; p4 n* T! F/ K: G$ t: RAuxiliary Gutters
* `! b" O s, h0 H, o/ }12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces9 K/ u" ^2 `/ P6 S
12-1902 Auxiliary Gutter Supports- i0 y0 f# ^1 X$ D/ y5 l- M& u6 {! e
12-1904 Auxiliary Gutter Cross-Sectional Area: j. V* I6 B W* g; V
Busways and Splitters
. R6 t' G2 W% g% D$ |7 N# m12-2004 AC Circuits in Busways and Splitters
P# ]6 g0 X& U2 c( [12-2006 Busway and Splitter Supports" B' b g3 b/ K( F
12-2008 Method of Installation of Busways
" }6 d7 I; H2 _12-2012 Reduction in Size of Busways
. F6 H! l: k" A( y. B12-2014 Length of Busways Used as Branch Circuits$ ]1 R% g0 r$ Q* i
12-2018 Taps in Splitters9 b- `" w7 K- Y3 d7 C# X5 J! `3 b1 s7 N
Wireways
$ v: W8 K% v5 u6 C$ F+ d4 q12-2104 Conductors in Wireways
7 Z: D4 }" k# _12-2106 Taps and Splices in Wireways$ E( v& x8 U4 m# K' a6 u
Cable Trays) y7 J% T+ o W& d
12-2200 Method of Installation (Appendix B)
" m& S0 h; I' M7 `8 A12-2204 Joints and Splices Within Cable Trays
+ y% w$ T ^2 f9 x# H f9 p12-2208 Provisions for Bonding
1 h' F% ~1 M% t4 T; L h12-2210 Ampacities of Conductors in Cable Trays7 B5 p* T4 S C5 [7 b' Y+ |+ S
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
( T: R# \7 w/ d- [, E12-3000 Maximum Number of Outlets Per Circuit# s8 m/ m( V! h
N 8-304
/ t. g; ]) T: ?! P! ?0 |# ^12-3002 Outlet Boxes (Appendix B)7 e9 J `' |, f$ f. ?5 D
N 12-30001 ~2 e: F( D5 l: g7 P8 j9 x! ?
12-3004 Outlet Box Covers ~8 w" G a6 [2 D2 h
N 12-3002, B1 J: W3 W, w7 J
12-3010 Boxes in Concrete Construction
6 ?( ^6 C; B3 U) _N 12-3008
6 i/ Q7 |1 z1 P7 A5 _) S- Q5 z12-3012 Outlet Box Supports+ z3 X$ J9 T6 ?7 z" {) ]6 Y
N 12-3010
7 i& w. |+ `& t" [, h* h12-3016 Accessibility of Junction Boxes
3 J# O, b" Z7 _2 e. ? `3 KN 12-30142 d3 r( [) i& L' f/ ^
12-3018 Flush Boxes, cabinets, and Fittings+ {4 ^4 y* z0 f! O0 W8 m; g: d
N 12-3016- w: ?4 j- e \, K q
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
x5 A2 o5 ]% n1 j& f/ J0 s; `" v8 [N 12-3022: }4 y3 ?2 x( p2 |0 e7 |& r* Y% K# d! A
12-3036 Maximum Number of conductors in a Box - Table 23
) N: |7 k5 R1 N5 h* WN 12-30341 m) D; v* U1 F6 \6 Y
12-3038 Pull Box or Junction box Sizes
5 q- }; X3 e; |. c: Q0 z: BN 12-30369 _4 n0 S( ]" h" f: M
5 w2 ~8 _ ^- j% a
Section 14 Protection and Control
% x' ^0 @7 g2 S$ e$ P- YGeneral Requirement- G# Z8 H) T/ ~
14-010 Protective and Control Devices Required' C% t4 X4 o4 s/ _' E: P" o
14-016 Connection of Devices3 b f5 F. t5 `+ r6 Z" L. I% w
Protective Devices – General- B7 M; t4 U9 P2 U/ ^1 {
14-100 Overcurrent Devices Required
- ~' f, _" _* |14-102 Ground Fault Protection (Appendix B)
& b& c k: g/ n# L) m% z! C14-104 Rating of Overcurrent Devices (Appendix B) Table 13, w }# u0 p) B3 T% k: P7 P
14-112 Overcurrent Devices in Parallel
- Z. n1 D6 y$ I7 b r8 l1 z4 O K1 XFuses
! R7 n! B1 c1 H; T14-200 Time-Delay and Low-Melting Point Fuses7 {% B/ J8 O8 |- Z* J' d
14-202 Use of Plug Fuses
4 V, i: {' Y* [6 L14-208 Rating of Fuses
3 w! W7 t, e% |, _14-212 Use of Fuses (Appendix B): W" L; B$ F( ^9 x" V. O' [
Circuit Breakers
: H' L2 P/ i* j9 E7 B2 F5 a14-300 Circuit Breakers, General/ Q. k( S, w7 j) @: K6 f8 K. s; T% u
14-306 Tripping Elements for Circuit Breakers
q/ Q) [0 W+ r% K+ q14-308 Battery Control Power for Circuit Breakers t, G# L4 o- f" M& ]) y& i
Control Devices - General
& P( c9 v$ E4 z7 X& _% s14-402 Disconnecting Means Required for Fused Circuits* E- n2 C) t; O# C& Y- ~& o% w
Control Devices - Switches { l- [6 X0 C+ ^- V: D
14-502 Mounting of knife Switches
8 t9 }% u( t( e( [. c. E2 X+ @14-504 Maximum Rating of Switches. H3 A! |# }$ I4 y. r3 R* u+ P/ A
14-508 Rating of General-Use AC/DC Switches (Appendix B)
; b5 w. B* x# x R14-512 Manually Operated General-Use 347V AC Switches (Appendix B)- p k2 r* B; s% U1 l
Solid State Devices. v ^4 X) X. x( j4 A! _* z
14-700 Restriction of Use
4 X. E1 H0 F; D) }14-702 Disconnecting Means Required
+ Q5 E) a6 {8 b7 T3 B6 C- t
2 W4 F" N7 I% s, ?Section 16 Class 1 and Class 2 Circuits
1 _- c D8 A+ PGeneral
2 j" ?- Y" m l/ Z) q16-004 Class 1 Extra-Low-Voltage Power Circuits
5 b6 Q+ x" R! ^* a- M6 e16-006 Class 2 Low-Energy Power Circuits6 J2 B0 z& S% y+ K* G" W
16-012 Circuits in Communication Cables
. k+ F+ v- q" a" n' hClass 1 Circuits; h/ X% E! g- F @
16-100 Limitation of Class 1 Circuits
1 y& W& k- ]$ s" w% M1 g16-104 Overcurrent Protection of Class 1 Circuits2 s* C7 f6 n) ` I1 ~/ }
16-106 Location of Overcurrent Devices in Class 1 Circuits
1 W$ G1 L& v }1 X0 X$ o( G16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers; y+ Y W3 Q0 M+ L- h9 c! u0 f; X
16-110 Conductor Material and Sizes0 W& r9 l0 Y9 R
16-112 Insulated Conductors for Class 1 Wiring: v$ w, ~* C- D- f5 y* P) T9 N
Class 2 Circuits
- \$ O P9 I3 E& X- K1 y) y% \16-200 Limitations of Class 2 Circuits (Appendix B)& Z4 v2 ?8 a' u5 e, C6 c
16-204 Marking0 h5 b" k6 z0 i: {7 \
16-206 Overcurrent Protection for Class 2 Circuits
7 u5 P! r3 ]; T* I1 p/ I16-210 Conductors for Class 2 Circuit Wiring (Appendix B)$ j1 d7 x" b# L0 c
ELC: extra-low-voltage cable& a1 d4 \$ b8 g
16-212 Separation of Class 2 Circuit Conductors from Other Circuits! z$ m) h2 C5 M w* B; t+ f
1 V, i$ H% K; @. Q
Section 18 Hazardous Locations/ S- U. H. ~8 `% J' ]2 H( ?8 }
Scope and Introduction
# o7 g4 b4 ?, d$ F18-004 Classification
0 ^" g- ^/ I% a9 a; |18-006 Division of Class I Locations (Appendices B and J)1 \5 d2 \+ v- L! \+ U0 Z
18-008 Division of Class II Locations (Appendix B)) B5 {& x1 Q3 k" Q& w5 q
18-010 Division of Class III Locations (Appendix B)% f7 R6 D, @: `1 R: h7 U
General$ n6 }9 P% |( [( ?9 v
18-062 Metal-Covered Cable (Appendix B), k2 x8 z" b: C/ I' f; ^% q
Installations in Class 1, Zone 1 Location3 L; E+ Q. E& X3 i
18-108 Sealing, Class I, Zone I (Appendix B)5 [1 M4 C; V* g) I/ y( v
4 e# e; w+ A1 g2 m" H" V
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
: ]: j7 Q# Q3 ~( f$ K6 jGasoline Dispensing and Service Stations
& l4 a. ]( l6 l20-002 General9 I# D" ?( t. M1 B& P
20-004 Hazardous Area (Appendix B)
/ U, r" ~) ?- G( D4 z: \Propane Dispensing, Container Filling, and Storage" H: \8 e9 D" t. T w& P$ b
20-034 Hazardous Areas - Table 637 z- S' U8 K- F h& C2 ~! J0 S
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
( D: W2 L4 y" J7 c/ y20-062 Hazardous Areas# I5 I2 h/ W/ B
Commercial Garages – Repairs and Storage
% Q G7 E8 e& J- E20-100 Scope
$ f: p& {# g$ ^; K2 k20-102 Hazardous Areas (1)
' k: y1 [* t; k' p9 g
+ R- p0 P% k- u# RSection 24 Patient Care Areas) A, G/ d; L( S8 q
24-000 Scope (Appendix B)
& ]# U' G4 y# k( \8 ]6 n5 X24-002 Special Terminology (Appendix B)
- U1 U5 h& J% u Patient care area! X9 J u( }# v7 F" L
Patient Care Areas
6 d* x* s- P# j: v24-106 Receptacles in Basic Care Areas (Appendix B)
( b* Z8 F5 m4 b6 N6 }5 oIsolated Systems
: R: Q: v( ^) S: R3 c24-204 Single-Phase Isolated Circuits (Appendix B)
9 \- ~6 |9 j( h0 t& B8 O24-206% t0 W1 D6 Q: N4 A9 L. I5 P8 u2 [; i
9 z: @3 a1 @: C3 [3 N: ySection 26 Installation of Electrical Equipment' D& L: Z. S8 W! F4 x# ]3 t( v
General' @$ |/ |$ ^8 _0 M
26-004 Equipment Over Combustible Surfaces (Appendix B). e7 {8 Q V" p* o; t; Q$ A
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
; t+ a% c$ d& Y Isolating Switches2 M/ p Q+ A/ ]
26-100 Location of Isolating Switches
6 Y3 Z" H) @# R) L7 U U! VCapacitors/ f L+ D J! u( r4 T/ v, n6 {1 w
26-204 Guarding of Capacitors
3 N; N5 U% d0 s1 E+ Y4 m5 B; O& s26-206 Grounding of Capacitors
2 [5 P- {0 z2 k26-208 Conductor Size for Capacitors# a6 _- i/ ~" K0 O* z/ U
26-210 Overcurrent Protection (Appendix B)
/ W, G) w7 P7 {, I26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
( \, Q8 a$ z" y( V26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
# a+ p; e" |8 B0 w% V' s$ f# h26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
2 K* @1 J, I) v4 y2 {2 s( T0 W7 |26-218 Special Provisions for Motor Circuit Capacitors# T! |$ D) I4 }, {
26-222 Drainage of Stored Charge of Capacitors
2 E8 F* X+ S/ N3 z" s H9 W+ ?: Z' iTransformers9 O7 f5 W9 l* Q( G
26-240 Transformers, General0 M t8 t5 e! L/ @8 l9 Q
26-242 Outdoor Transformer Installations0 }# m! x5 j) _
26-244 Transformers, Mounted on Roofs (Appendix B)
$ ]' ?9 b, ^% H$ V! J% X9 K5 ~26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)( b+ U8 O3 [8 Q% Y0 i7 x6 i
26-248 Dry-Core, Open-Ventilated Type Transformers
n; g6 x: {* { s: `/ b26-250 Disconnecting Means for Transformers* u. m" [: v4 c( I% q9 Q S
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
2 P* s ~' E t/ U" I6 ?26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
, l' \% V( @- @. ?# H% P26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
: Z9 `* W& g* A% Y26-258 Conductor Size for Transformers/ g4 v( L7 _6 T. w1 x9 [
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
$ \1 m$ s7 N. ]. h$ C26-262 Marking of Transformers9 M& q8 P( F8 c* ~
26-264 Auto-Transformers+ z* |7 ~2 D `
Fences
7 i* g" h8 c( e) |) _26-302 Clearance of Equipment - Table 33
; [ H/ s4 W; i4 CPanelboards
& _3 V; n9 K% F& c$ L( `7 `1 Y26-400 Panelboards in Dwelling Units (Appendix B)% Y% K" d& C" F* m: Y: k- N
26-402 Location of Panelboards (Appendix G)+ u1 k5 z y# m( \6 W' o/ x
Lightning Arresters/ q% B' |: u+ k4 ~! n ^; J6 a
26-508 Connection of Lightning Arresters
+ V( u5 I# o: A K# w+ GStorage Batteries
1 X% t6 m* q9 H( [2 `# E9 l26-542 Special Terminology( V5 j, P' m; ~. H
26-550 Battery Installation
$ }& @$ L8 w9 X" L1 {26-552 Wiring to Batteries& R+ b' h2 `$ c f
Arc Lamps
C% l- F) c5 S+ Q9 l. G: F4 p) X8 k26-600 Location of Arc Lamps) x/ q$ n& [3 o, E4 p( K
26-602 Conductors to Arc Lamps
% x8 w5 s( g. E# Z26-608 Globes and Spark Arresters
, l! w6 q9 u* U& B$ q; M, HReceptacles
% {: f: e& n7 u' R1 f26-700 General (Appendix B); z* l: R& Z# v! U3 t$ b
26-702 Receptacles Exposed to the Weather
1 t* i v5 q. d6 Z$ d0 ^+ L" K- R! |Receptacles in Residential Occupancies' n0 D; F' K8 ~0 G2 e3 w& J
26-710 General (Appendices B and G)
! V1 Z: }* Y: ^8 Z5 p26-712 Receptacles in Dwelling Units (Appendices B and G)9 x! w$ t. @4 ]4 S, L3 ^
26-714 Receptacles in Single Dwellings (Appendices B and G), n. C0 Q6 ]2 x2 [2 j6 U( t/ k
Branch Circuits in Residential Occupancies- b) d9 `% _$ h$ N3 x( N5 q6 X
26-720 General
# u" k2 L1 X1 k9 G; |( b3 P* d, }& Y# [6 D26-722 Branch Circuits in Dwelling Units
. p, `$ h! e3 n* B26-724 Branch Circuits in Single Dwellings9 `, l. X+ h8 _; o7 q
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)1 m/ x6 _; D+ h" \
N 26-720 (F). y% ]8 W9 v# @3 V" q
Electric Heating and Cooking Appliances8 v; k5 Q; g2 \. |9 ^0 ~6 D. m
26-744 Supply connections for Appliances1 g0 q, [. f) P7 v) H
26-750 Installation of Storage-Tank Water Heaters
; b/ e5 [. E9 l6 `: z$ D2 }26-752 Infrared Drying Lamps5 F5 \! \/ k( U: Z
) R7 y& C B" `7 |! K
Section 28 Motors and Generators
9 K' [$ e- W# a+ ]! M E( v, Z4 LGeneral$ {! ^# F. z0 x7 m; _
28-010 Special Terminology! C+ o7 {, L1 i9 N# R+ p# g$ {
Hermetic refrigerant motor compressor
$ v. ?" `. {9 A. K; eLocked rotor current rating
$ R+ E( |. D! c7 H7 g! AService Factor) d |8 L4 a, s, F
Table 44; Table 45; Table-D2
" z/ H3 C4 f6 ^Wiring Methods and Conductors
* R4 o4 R# q6 H3 [" D* ~5 g28-102 Portable Motors
( _5 W6 |* W f D* c28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
+ x- W A7 e4 s( F) w- {28-106 Conductors, Individual Motors
. z! L3 c n+ W+ a) E2 M# Y o8 P7 |2 e' t28-108 Conductors, Two or More Motors! |. {$ h& v T# w% H2 X
28-110 Feeder Conductors4 [( R4 h* p) Y' s5 a/ `1 U5 [
28-112 Secondary Conductors2 ^. d! h: t. n: n8 _
Overcurrent Protection
. r0 ?" L" ?; x- H; {: U28-200 Branch Circuit Overcurrent Protection
! W7 ^4 u5 U+ p: R, I/ t28-204 Feeder Overcurrent Protection
; I% a k; H8 q+ i% _& g/ o) V28-206 Grouping of Motors on a Single Branch Circuit0 {' {9 w& E6 b
28-210 Instantaneous-Trip Circuit Breakers (Appendix B) U, r" k3 E4 q8 e
Overload and Overheating Protection! |1 v( e0 O5 ]
28-302 Types of Overload Protection4 w. ]$ b H, \1 }' M8 e( P
28-304 Number and Location of Overload Devices (Appendix B) Table 256 J' }) \, t% s9 @
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
. _7 G# d2 U' }28-308 Overload Protection Not Required
2 W3 f E' ^3 K a5 [) X" ]' hUndervoltage Protection : k, @+ @7 ` D6 b) i Z1 x% _
28-400 Undervoltage Protection Required for Motors (Appendix B)
2 w$ Z. a5 p) eControl
0 d$ c1 l; L, v0 {28-500 Control Required0 F f" U7 f9 e# N
28-502 Control Location
0 r7 \ v; s) t% D# k. q6 x28-504 Starters Having Different Starting and Running Position2 Y' G/ O+ w. \: J" _1 m% X$ H
28-506 Grounded Control Circuit
/ {/ G2 I# i: E7 UDisconnecting Means( c8 o2 f# z1 m k: ?
28-600 Disconnecting Means Required
% j# V, j7 l5 k2 l8 t28-602 Types and Ratings of disconnecting Means (Appendix B)
( u$ G4 E# ~" o" X7 M- ~3 Y3 ^28-604 Location of Disconnecting Means1 u1 n2 |6 W/ Z: e
Hermetic Refrigerant Motor-Compressors1 r5 d" X" Y5 F7 w4 F
28-706 Conductor Ampacity( O! ^6 U( V" G- C8 L& Q
28-708 Overcurrent Protection
* r) Z2 a% N; w28-714 Disconnecting Means
2 V2 O7 V, t! s! k+ s0 wProtection and Control of Generators
! {1 [, f/ _+ s" P' b$ `" S$ V28-900 Disconnecting Means Required for Generators
! I" G9 N2 b r6 q) G, N4 W28-902 Protection of Constant-Voltage Generators
6 n8 p( z9 l9 L9 t9 C28-904 Generator Not Driven by Electricity
# c3 l( j& [: R8 j28-906 Balancer sets: b/ ~: F2 G! D. _" c
28-908 Three-Wire Direct-Current Generators1 H) ~) h. \ O1 K
8 t3 n% s+ z7 q" M* W" d
Section 30 Installation of Lighting Equipment$ c4 L* j. e2 y0 S9 t
30-002 Special Terminology (Appendix B)
; {5 l, V* X; G) A& _General
" i* [8 q4 h0 f# ]. y6 e; q/ ^) m. T30-102 Voltage3 l& T& K# `3 O/ y, q7 m
30-104 Protection (Appendix B)
3 d" G; i: j5 Z7 L- q30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
" O) C+ L; q2 m$ r- l5 E3 s# e30-108 Polarization of Luminaires8 d2 @. y6 k9 v
30-110 Bonding of Lighting Equipment' S: U2 j) H- D; s
Location of Lighting Equipment
1 W% [( t E2 ?- v30-200 Near or Over Combustible Material
; g: V0 M& T9 h+ _# u, M4 V4 m- N! h4 K7 v30-202 In Show Windows
* \) }) g" R4 W2 a+ p30-204 In Clothes Closets
# ^* W; O2 y% ^6 e# I8 V9 E$ yInstallation of Lighting Equipment
0 n5 S- d. o6 ^. [7 k' f0 t7 z30-302 Support$ r( T! {2 h9 E$ Q6 e* L
30-304 Outlet Boxes to be Covered4 V3 z6 x& @6 D V t( N
30-308 Circuit Connections7 `3 b8 U! y d1 L
30-310 Luminaire as a Raceway. q5 B- L# m3 d) X$ c# C. e9 r2 K7 `
30-314 Minimum Height of Low Luminaires
+ d i1 \+ }/ X- T' a4 _- y30-316 Luminaires Exposed to Flying Objects L9 k! a) ?8 J' ]; D
30-320 Luminaires in Damp or Wet Locations
- Q0 C) ?. Z' l) T$ ^- b1 _9 oN 30-318
, V ?" n5 Y: S" }9 [) Q' a% |Wiring of Lighting Equipment* N, x7 A8 D# ^! l+ Z" }$ ~
30-400 Wiring of Luminaires
) h( [3 A% D3 t2 ?- j30-402 Colour Coding, d& D9 P7 }' r) j/ a) g6 ^2 _
30-404 Conductor Insulation2 ]: O3 U/ t; \2 r( u: s
30-406 Conductors on Movable Parts
9 F: l: T8 c# h3 s; q30-408 Wiring of Ceiling Outlet Boxes1 t: Q6 j; @" F( u' H, E. b
30-410 Wiring of Show Window Luminaires
, S# F# j" m* `2 N30-412 Tap Connection Conductors( Q# O" B! M M8 P
Luminaires in buildings of Residential Occupancy; h. i$ s0 {3 q; T3 u
30-500 Lighting Equipment at Entrances (Appendix G); O( O6 X. z( y5 f' o* `
30-502 Luminaires in Dwelling Units (Appendix G)
$ H$ ~2 m0 t# g c Y30-504 Stairways (Appendix G)" T& a: C$ F8 k; |
30-506 Basements (Appendix G)
~. G$ R" v$ f& \) s5 V9 F30-508 Storage Rooms (Appendix G)1 X* d/ a& ^+ j3 _/ R
30-510 Garages and Carports (Appendix G)
/ o5 y9 ^0 \8 z# X- ALampholders$ F6 h9 d8 B) ^# e
30-600 Lampholder rating with Incandescent Lamps
" D+ ~: p u s+ fN CANCEL
- X. d- b6 [3 [- y30-602 Connections to Lampholders4 f: y+ O/ B+ z* W( W3 a$ h
N 30-600. `( ^7 W4 H) e
30-604 Switched Lampholders Used on Unidentified Circuits& P2 [5 a- v% o& L0 K# e) ~. S) ~
N 30-602
) p; s7 {: d5 a1 \# Q30-606 Switched Lampholders with Pull-Type Mechanisms0 p3 b! ]/ c9 d7 H
N 30-604
( v% D4 F+ A* @2 ^! M' R% N8 l30-610 Pendant Lampholders
' P% b( [) ^9 v: z/ ?* D6 {" xN 30-6089 ~% | X5 H# @3 b: ]$ H$ ?
Electric-Discharge Lighting Systems Operating at 1000V or Less+ u8 M2 h6 O6 h- ^# G% r+ x- F
30-710 Control (Appendix B). O4 V' M) K" w2 _
30-712 Branch Circuit Capacity
5 O2 s' ]: R3 t) w/ E4 xElectric-Discharge Lighting Systems Operating at More Than 1000V
5 @& S1 t" w' L% t( X30-802 Voltages, Dwelling Units% n# E' P' ~& p. W
30-804 control (Appendix B)7 [0 x2 Y# Z% y' Z. i* U0 A
Recessed Luminaires (Appendix G)
, a% I3 R* m+ S- _$ w5 Q30-902 Spacings for Non-IC Type Luminaires
* [+ n& }; g3 X* j1 V" s! R2 @30-910 Wiring of Recessed Luminaires (Appendix B)' e1 |, C5 A+ V9 w ~4 D
Exposed Wiring for Permanent Outdoor Lighting, ~6 v' _6 ^( Z& \8 i* d0 n9 K0 y
30-1120 Branch Circuit Loading and Protection1 Z' {8 M$ R/ ` _& r. u
Extra-Low-Voltage Lighting Systems
/ ]& j2 J" G: x8 O30-1202 Sources of Supply
3 w; s# n/ R, i( n# _! y" ]
, f% x% }, r) g1 }5 ]Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)* \0 a0 Z3 F! S& }
Fire Alarm Systems: E: q" r- v2 k/ J
32-100 Conductors
* V1 F2 ]5 _: Z- _32-102 Wiring Method* M1 l" M( k3 {
32-104 Equipment Bonding
/ |- T: J4 @! B- _' u2 @32-106 Electrical Supervision* F% N2 v# v: O5 | \* a5 e
32-108 Current Supply
4 H |! {& {2 Z$ [2 S32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
5 O7 s# Z. `4 A. n9 m2 LFire Pumps
# K1 j, |$ [, ?4 H! n. l- u32-208 Overcurrent Protection (Appendix B)
1 [) G$ n$ S4 ~8 z/ kN 32-206: K2 c4 x( Q, u t
32-210 Overload and Overheating Protection (Appendix B)$ o/ m' V U# v( d
32-212 Ground Fault Circuit Interrupter (Appendix B)
. b# X' J- x" s- Q3 |7 i$ W4 D. K* _6 q
Section 36 High-Voltage Installations, S* Q6 O+ H, R
General
" M$ t+ F2 j0 _. R: j! k36-000 Scope (Appendix B)7 g1 I0 |6 M: S% q8 ^
36-006 Warning Notices
3 j2 n) v* U5 xWiring Methods
2 X3 P+ t& N# t( F. r( c- n% N36-102 Radii of Bends
, N4 g6 Y# X$ F. @' X5 r% O' u( K6 r36-104 Shielding of thermoset insulated conductors
' u }. J0 _- } W/ ~6 I36-108 Spacing of Exposed Conductors (1) table 30, table 31
]; [, t& j6 k! w6 C36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 349 x& N" k$ j- e* z4 D" t/ V' V
Control and Protective Equipment' i# B5 B1 a+ p
36-214 Disconnecting Means
8 o/ F: o( w; b& K8 C8 a5 b Grounding and Bonding' ^) a# N+ j2 C
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections5 t7 t9 ]* e& y, ]
36-302 Station Ground Electrode (Appendix B)
5 h* C" J. A, f# L) S% v/ a4 [' N- \36-304 Station Ground Resistance (Appendix B)
' c* b5 d E& r0 t2 p( X36-308 Connections to the Station Ground Electrode (Appendix B)
# J: ?, o% s6 k: |# m; N1 ~$ q/ h36-310 Gang-Operated Switch Handle Grounds/ N7 O5 @6 K; c8 N- W
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
, x2 {% w, c! [- d9 Q! g" m: T+ f
% h/ f: k. Z$ s: }Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
{: ~5 I) N. E* r. b38-002 Special Terminology (Appendix B)
; B- Y+ ]# ?, I6 ~, g38-003 Voltage Limitations (Appendix B)
1 q# n% b% \. C38-004 Live Parts Enclosed
0 o3 U8 N$ A+ W) D4 G! M3 F3 c38-005 Working Clearances( ^6 W3 f% `3 g! j7 x$ r
38-011 Insulation and Types of Conductors
: b( G7 j5 u* p! V3 `: I# f38-012 Minimum Size of Conductors& C7 _9 S; Q- p! f0 e
: O/ o# z+ a7 ?8 n
Section 40 Electric Cranes and Hoists
; u9 z* u3 W1 U) O- `/ O, I40-008 Disconnecting Means1 s1 L% g2 @2 T; d" y
40-010 Main Contact Conductors
/ a1 c* G3 J9 E9 l, b
2 R3 t: |( L) k4 eSection 42 Electric Welders
! t* A3 s, b, A5 |3 c7 STransformer Arc Welders
: A9 M5 L" [! F) g; z42-006 Supply Conductors
0 y5 Q/ _1 m' b7 n$ B ?
6 U. |, x3 Q( A7 C: c# T8 _Section 44: Theatre Installations
( D" q: t; W5 F/ K9 N- e8 w7 SGeneral
6 u% o* k) L# X" U P44-104 Number of Conductors in Raceways
+ ~' P& ^3 W0 w44-106 Aisle Lights in Moving Picture Theatres
8 F0 w1 h/ \* f2 a1 J! C5 ^* OFixed Stage Switchboards
* r8 W# j- o0 S% d$ n44-210 Overcurrent Protection: Q: K* A; t( U" a! G( J T# O
Fixed Stage Equipment
$ S9 C5 ?& x# Q& K44-324 Receptacles in Gallery Pockets* j2 A5 r8 d2 r& _ Y3 j4 j
44-326 Receptacles and Plugs+ H0 k0 K9 y' u- \3 L$ H
7 d3 Y. _& Q3 A V. y" p
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
- r+ z1 p0 N! \ @6 ~) D7 FGeneral/ d) z N' |0 V- e. X: ~3 ~, }
46-102 Instructions( o: y0 r$ |" F/ I P0 y8 o
46-108 Method of Wiring (Appendices B and G)! E9 a) m, T* Z/ S* Y& Q) N
Emergency Systems! |5 s5 z+ u4 y: i+ l- {
46-202 Supply (Appendix G)6 j7 b" |& j- Y
46-204 Control
4 g7 @( b/ b( c0 ^/ n, b- G& u; F; T3 H46-206 Overcurrent Protection; @2 g1 B& o8 e% \' b, n& n
46-210 Remote Lamps6 T% S" S2 ^( o/ [
Unit Equipment$ L+ M2 g2 ?. T9 f8 x: Y
46-304 Supply Connections6 I5 C+ p* g# x! O* K* w' E
46-306 Remote Lamps (Appendix B)
$ x' a* L: h0 b3 L: H$ fExit Signs- t# g( \: h1 L( l8 s4 r
46-400 Exit Signs (Appendix B and G)4 T, j, ?- u5 X( [% ?( l
3 }7 ]! ^/ `- v, i. X" X
Section 54 Community Antenna Distribution and Radio and Television Installations
7 l6 t3 e8 y$ J' T54-000 Scope
) @9 j, G+ ]( `/ |54-004 Community Antenna Distribution (Appendix B)6 L a3 b9 K; x% C
Community Antenna distribution
( a; f+ _1 E2 e* o; r/ T6 P' Z54-100 Conductors
( X* k- x0 j4 x- [/ b6 C54-102 Voltage and Current Limitations (Appendix B)' d' o! c' c0 Z# g
Protection9 i' T4 v) @5 H& l; y4 _
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)9 k) f' j; C% h3 N. g) P3 V
Grounding! \5 K, C- M; v& W+ X
54-300 Grounding Conductor
, ]& r1 D# R6 y2 jConductors Within Buildings" z$ c& [. N6 n9 J, G
54-400 Separation from Other Conductors
" h! V9 x& F% I2 R' r5 c1 GEquipment
% t; B5 K/ \, o- E54-500 Community Antenna Distribution Amplifiers and Other Power Sources ?1 Z. w! u% J& \# d# {# F4 I* m
54-502 Exposed Equipment and Terminations z1 r# p. {/ f8 W3 q
9 o$ a, p2 T) g1 X) z4 X# E2 F8 R6 SSection 56 Optical Fiber Cables
) j5 a6 W/ i' @, i5 m1 gGeneral2 T% T. e' q! p- l+ A' j
56-100 Special Terminology. \ @$ _9 e$ k
56-102 Types
% z/ |$ D1 c( g% ~+ J4 FInstallation Methods$ T; g6 U% q! M$ h* b8 m! ]3 T
56-200 Nonconductive Optical Fiber Cables (Appendix B)
0 I S- v7 p* ~3 R/ y- h: }56-202 Conductive Optical Fiber Cables (Appendix B)- g% i# C4 q `& J: K9 ~
56-204 Hybrid Cables
" d7 V) E( j& d" H3 f- X56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
0 \& J0 k/ G- e; D' Y
S# e& Q: b& H4 U0 G- \: H9 `- DSection 60 Electrical Communication Systems
6 [, j) a! h0 U# |+ xGeneral
0 H f! h. x* V, ^( n60-100 Special Terminology4 n- W6 e4 L8 n# C
Protection. m0 p" D$ U2 s l
60-202 Primary Protector Requirements- S6 w L/ L, J" h# Q8 |: k' _) w# x
Inside Conductors& p7 e' _: a8 @" G
60-308 Separation from Other Conductors: \! t9 u0 B# F% Y2 @
Equipment: Q! V5 J% h* l& |' H2 w& Q' o
60-404 Exposed Equipment and Terminations7 U& _$ ^7 y: o" |* k
Underground Circuits. o! J$ ]. x" _% u V
60-600 Direct Buried Systems
& F- a {/ y$ f" k9 @0 N0 m
5 G3 \( w7 z! qSection 62 Fixed Electric Space and Surface Heating Systems! w5 ?5 Y* `" z2 y! _ p
General
2 d; g! y6 \8 C62-102 Special Terminology
0 f" n+ ?7 B& [0 y5 p: }62-108 Branch Circuits6 D: |$ `4 P a$ s$ j: K5 q
62-110 Installation of Fixtures
; O7 U4 U6 V/ }7 g62-114 Overcurrent Protection and Grouping (Appendix B) (5)
: U; o3 E0 R1 x( p' V4 ^! J62-116 Demand Factors for Service Conductors and Feeders (2)
9 F/ n2 Z/ {% q p5 t) V5 l62-118 Temperature Control Devices
+ f# R5 k& |& L: F# n0 b) z: ?" n62-122 Installation of Series Heating Cable Sets (4)(7). `% f4 ?' l* e. o% E) p
Electric Space Heating Systems* q/ R# t" U4 o
62-202 Temperature Control4 ]0 n( O& A" s3 U }
62-206 Proximity of Other Wiring (Appendix B)2 b0 W, ~8 m* B1 |- x6 K7 O
62-214 Installation of Heating Panels and Heating Panel Sets
0 u3 P) O, ?8 s; ]62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
* ~4 b( Q* p; M62-226 Installation of Under-Floor Covering Heating Panel Sets
2 G }) p- Q" a. U0 VElectric Surface Heating Systems) j9 ^3 O. c2 t! ~! S
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface* d9 d9 O; r! ]& V, e P+ A
3 e3 ^" m: ^. `5 v) V
Section 68 Pools, Tubs, and Spas! n* p! {7 q" { e! O
General6 w. O4 G' s# g* D
68-050 Special Terminology$ @& C7 F3 Y2 C
68-056 Underground Wiring - Table 61
' a' N- F" n; f1 m68-058 Bonding to Ground (Appendix B)
( u. K: Y$ N( r8 q! }68-060 Junction and Deck Boxes (Appendix B)
3 _, r1 F' ^8 t4 v2 N68-064 Receptacles' B6 W/ q' v2 a4 _9 Z- G7 p
68-066 Luminaires and Lighting Equipment( _3 M. E: `* n ]3 I, m1 b. O5 j* u) @
68-068 Ground Fault Circuit Interrupters (Appendix B)- y* m$ w8 O/ s ]4 j/ D( u! y
6 `7 w$ w& Q. i: |1 `& W- {Section 70 — Electrical requirements for factory-built relocatable structures and
+ M" K0 ^ J( L, E3 B- Dnon-relocatable structures
# }' r: k4 Z) x# k70-130 Tests (see Appendix B): c( U- Q" m. }4 ^7 a* t% B8 A
# n* i* V' @& ~+ ?
Section 76 Temporary Wiring (Appendix G)' J: V$ v, k: U2 X% `: y
76-004 Grounding
4 n% L4 a+ k' {: T: X! [: t76-008 Service Entrance Equipment
2 d k% z' i$ r1 ?4 V2 qN 76-006& E* B$ o# r+ y; j2 B1 I- a
76-014 Branch Circuits6 Z. }) U( P: U, E
N 76-0127 I1 ?& C+ y. G, B; P
; @5 z% ~/ I* C. m, c) tSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours3 I- C- I) A; K4 J+ o" N) ^9 g6 Z
Marinas and Yacht Clubs
Y7 N7 j3 d/ k& q3 s$ F# `& J& y) t78-052 Receptacles
3 e6 L! x) [( A& x78-056 Feeders and Services
5 ?( ~* K6 X, \+ t" o7 ~% w2 ]Marine Wharves, Structures, and Fishing Harbours2 t7 c& F0 G+ w( U$ z- S+ V
78-106 Grounding and Bonding0 v% e# v( R o7 Y
Tables6 p% X5 z# `) i$ J+ w- l
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,659 L) `+ c- ^! [8 V4 }; {
8 o: n$ v# f7 ?+ k" c- V: s4 c
Diagrams: 1, 2, 7
) R) d" v- M- Y, b1 w. t5 z9 J! V* W6 O- a) O4 [
Appendix B/ m0 [7 l0 J: A4 p: N
P352: Ground fault circuit interrupter- 6mA( W: G R+ |) [. T* @! \& [
P354: 2-126 FT1, FT4
: q. ?3 X/ ]" F9 g h' Z9 IP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)" S4 I: h; J9 w6 J# E5 \4 X0 n
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
# v1 e4 G9 }3 [6 v! X! LP370: 12-1012, 1118, 1214 Example:. i- i) ^( j! n+ g
P371: 12-1108% B, o" q# O& P5 H. ?+ a3 ?
P381: 18-108(1)(b), 18-158(1)(b)
; Q6 T5 o7 p( w2 v3 G$ ^P386: 24-206
' c: \: \" j* f+ x! Z& s+ EP389: 26-256! v6 v, @. C( a6 }) ?( \
P391-P393: Section 28, Example to determine Motor Conductors and Protection! B% {/ u) \3 x+ F# b
9 y: Y) `0 A7 r: ]9 {, v, I
Appendix D( q ?! _: B+ Y! f
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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