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Canadian Electrical Code Review Guide! P, _5 F6 Y5 J& S2 V+ j" w7 @
For the Exam of Electrician For Red Seal License/ H" U5 ^: @+ u% w
# D# C: e, m6 M# ^) bLesson One
( Q8 R+ {6 g6 m8 N7 E) P. @- eSection 0 DEFINITIONS7 S @# k7 W5 w9 o% _6 x* a
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:4 h/ F j: V8 m9 ~) F$ c. v! b! Y W
Accessible as applied to wiring methods5 o3 V2 G: s: R, K; n2 ~
Alive or live
8 O5 C2 D6 ~4 ~Aluminum-sheathed cable, g( |, q2 ^! N% j J
Ampacity
6 h, |1 N1 q9 VAuthorized person" v+ X' e% f. ?# G
Auxiliary gutter- S# x& p" H: I: I
AWG
' R( i+ p: v" e" v- G/ DBonding
: Q* q& D" }, [# j5 v+ g1 H# T7 rCable tray3 r* y: s+ ?" Y
Cellular floor5 e; d: u9 k# I9 }* h. a" u
Branch circuit
) H L0 C0 F; x) {- { Y: aBus
# ?, Q) l( w& b8 P5 I/ v% fBusway5 j% o9 j# s# {2 i
Communication circuit" F* ^# ^6 v) _. n, ~
Extra-low-voltage power circuit6 g" c# G- a" d* u& e. q
Low-energy power circuit- J6 S8 x8 M& A, y
Multi-wire branch circuit! @5 |1 v5 w! F+ a' a* e# d
Remote control circuit. C4 {* i* u9 _3 C& ^
Signal circuit
" N# \+ t/ Z+ N8 F) \) KCircuit breaker& x p* I! A6 {, h) A& c/ T8 t
Instantaneous-trip circuit breaker
. u. s) S9 C) ]4 E' v0 cConductor
5 |- i% m3 w! r( d8 J. ]& gConduit
% R$ S" n7 @/ X' d3 e$ P Flexible metal conduit
5 T, r2 }, L a: X6 x" @7 S Liquid-tight flexible conduit
* n8 i* H' a) m0 t Rigid conduit9 c; Q* V' C8 c" O7 g0 Q" s2 G
Rigid metal conduit
* A7 X9 w# y& y3 L, L Rigid nonmetallic conduit
+ V' D, V2 U5 a/ @1 l; R) e Rigid PVC conduit5 U2 Y+ a8 q9 `' S6 b
Connector
) z( t* o% D$ c; ~ Box connector
! F/ E2 M- H1 L; n ~7 N- q Wire connector
8 \/ q" a ^3 W8 L" @( Q5 ZController1 v0 }! h' P! g/ s0 o* |3 Z
Disconnecting means
. M& w# q; A `) GDust-tight
9 J$ y- d3 t/ |5 {1 }, lDwelling unit& e& o- G$ V% `* H% r9 g- I( _
Electrical contractor7 \+ R- g7 j; S( N% D% s( q
Electrical metallic tubing
* w9 `( @1 f% w5 [8 D D/ `, NElectrical nonmetallic tubing9 E) k! |* o/ {! c6 `0 A+ v: h# r
Emergency lighting
% Y9 g. g3 z/ E+ x# gExplosion-proof
: c, o) f2 I4 Q. E, d8 Z6 ^- j3 Q% lExtra-low-voltage power circuit! R4 Y" g8 X" S* |4 w2 h5 u6 B
Feeder8 M2 L- P& c3 h: k$ \
Flexible metal conduit& s; [4 N. U9 T: M/ f- R
Ground
3 L; E1 g( V2 [2 {1 lGround fault circuit interrupter
; y/ ^8 T/ D" h* ?) {' PGrounded# ]7 E, l- @$ y U, z
Grounding
; A" G" d, L0 D& w, x+ PGrounding conductor
/ T" m. w; Y% c$ n D" vGrounding electrode B4 k" z5 R4 ~7 d3 ^, b
Guarded+ V& G" v5 [8 e1 d
Hoistway, a \: K% q% ]0 I
Identified2 V6 q% n( `* _
Lampholder6 K3 x' |# r' F, z$ l/ D: u
Low-voltage protection: `: k. \; n9 h, r9 Y1 w
Low-voltage release" y+ A8 M q: B
Neutral
5 t8 V0 S5 L5 T7 u1 tNoncombustible construction
, `$ ^ M4 ^% E' y) }Outlet1 d: J% A" [' V: A
Outline lighting3 I8 f, X3 S- b
Over current device4 Z8 X% D2 |9 E2 q
Overload device
) A0 t5 B! K0 C! j5 ~- v( |Panel board \1 ^, L+ i: i% j2 s9 K
Panelboard, enclosed1 f( h/ r/ r: A7 u& |' h- w
Permanently connected equipment
- Q% v7 L" F5 F& r5 z5 vPermit8 T4 o! v# S, l( B! A
Plenum
/ I2 z4 T" s' J4 }Portable as applied to electrical equipment
! e) r0 s B, C3 S9 [: W9 YPortable ground fault circuit interrupter3 e' B( q* E# \* t0 q$ ~
Power supply cord
/ G+ V6 b3 b$ A7 c+ k1 `Raceway) t+ t& g" b5 h
Receptacle. A! B0 e% Z; I8 t
Duplex receptacle
8 R+ H0 i* N# R& ]. t! | Single receptacle
8 A& [* n% f0 y4 Z. M2 D0 y- [$ g Split receptacle
+ M, b- `8 k8 }- J1 m5 KService, consumer‘s
) g0 q4 ~0 X& L: F6 f( j$ lService, supply
7 Y6 l7 u/ S/ r& v+ K: s) C: hService box
8 J0 Z' E& b( U# rService room
$ ]' y" K- z: Q, n/ F {) H8 TSingle-dwelling
, ~- B# |9 J6 X) {. CSlow-burning as applied to conductor insulation3 P; w+ m% L) j% }
Splitter
/ Q& J" I" I( q4 wStarter
" M& e& N0 j) Z! H& `5 D2 j% |Switch
/ y: Q3 W/ c' C General-use switch
8 _$ m6 d/ ]3 O5 i; P Indicating switch2 S. r; k( V- o! c
Isolating switch. @! G% w P6 j) J! }! _: T
Motor-circuit switch
: L% \8 t- f g5 Q* sSystem
) i, O! q( v0 R2 j: M7 b Communication system
+ W) @5 t! n% Q/ c8 W+ [8 J Community antenna distribution system(CATV)
j' l j% |" N3 Z Grounding system
8 m X$ ~6 ]2 D2 G9 G' ?" c9 bUnderfloor raceway% O; g) ^: M& z6 m' q; n8 P$ }' S, V! x
Voltage:
$ U) X0 J- p6 A$ Z4 n Extra-low voltage
" [( h$ `- r: f2 w" V7 m3 J High voltage: @; ^; M. ?& a/ n8 J1 h \
Low voltage% t; m: P8 C3 ?) z
Voltage of a circuit
' K3 |4 @9 a% `6 UVoltage-to-ground
' M: y- p S% ~* E8 `: Z- \/ B# LWireway$ C& [$ R% h- }$ z
5 O9 d( e5 D) S2 F. C1 h$ oSection 2 GENERAL RULES7 z' V6 }/ a) z, M
Administrative8 Z9 B) b' N4 C1 P8 [9 n% v
2-018 Reconnection3 C8 H5 b5 ^6 U6 v( y& b' a+ `
2-030 Deviation or Postponement
/ U" R1 u/ Y% O6 A- S" ?3 i, d8 sTechnical General
! D" a1 Q5 z3 e( A2-106 Circuit Voltage-to-Ground – Dwelling units0 B4 a9 G, F5 t. y; y, }
2-114 Soldering Fluxes+ A. T- T& u4 V4 S/ M7 O! o* k
2-116 AWG Sizes of conductors: l5 E3 ~6 a- G+ {8 a" c7 n0 x
2-124 Fire spread (see Appendices B and G)
7 d7 K" W% P$ t/ J+ ~2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G); M X$ A% h, [5 ~$ D8 h
Protection of Persons and Property& ]3 N4 m! ?" o
2-202 Guarding of Bare Live Parts
( l4 x/ Q5 U4 V% HMaintenance and Operation7 W5 o- q4 Z+ b' Y0 l
2-304 Disconnection
/ r0 Y8 J5 a9 g% a: _( b2-306 Maintenance of Live Equipment
7 w5 F! R% x* cN 2-306 Shock and flash protection (see Appendix B)
. |1 L% T6 g9 s! W- N8 y2-308 Working Space About Electrical Equipment: Table-56" o6 O, t0 c8 l: z. n
2-310 Entrance to, and Exit from, Working Space
4 \5 A/ G2 l" r6 d2-320 Drainage, N# g5 C- K- o1 s. X
2-322 Electrical Equipment near combustible Gas Meters and other Devices) @; Q% W" w" W7 @5 L
Enclosures3 o. g& d9 i* V: r& p! T2 s! a6 I! i1 g
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
$ b/ f' K6 \6 g" o2-404 Marking of Motors: DP, WP, TE
4 z2 k7 G( j- {# ?2 ^ ) a, g+ O; g- e. p; ~. E
Section 4 Conductors: e9 w7 E3 u* S0 A- Y+ G, @8 E) F
4-000 Scope6 k. _" e/ Q) w! C+ O; X: o* s
4-002 Size of Conductors: 14#, 12#, M* K- c1 c" d$ N
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
( e; B( i2 u8 w2 T4-006 Insulated Conductors: Table 199 J7 h9 I' D- v- P1 O
4-010 Uses of Flexible Cord: Table 11$ T; ]* R6 {5 D2 \
4-012 Sizes of Flexible Cord9 H- Y/ e9 L- D+ H# D" t
4-014 Ampacity of Flexible Cords: Table 12* |, n& h$ u& d+ p# i
4-018 Equipment Wire3 j3 C( J1 n* I2 {
4-020 Insulation of Neutral Conductors
, B+ k/ J- u; I- w! Q4-022 Size of Neutral conductor- C/ b! H, h% O( t1 U
4-024 Common Neutral Conductor, x8 S# p7 ^7 G9 q+ c, E, g& M9 ^
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
9 n* o) A8 m, n4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum3 ~* ]" e+ k+ z. t' R" [
4-032 Identification of Type MI Neutral Conductors* ^9 b" S4 w7 o2 L1 `/ D: ~$ O) f2 T$ H
4-034 Use of Identified Conductors
3 ~; C/ x9 @" r; ]- P4-036 Colour of Conductors: Phase A, B, C, …
; M7 w- G0 l$ e0 {4 `, I' S2 u% C. c9 h" h" m. b# u
Section 6 Services and Service Equipment( g, n y8 f4 S! P' g1 Y2 w
General3 ]7 X! g/ S! D0 G! `" ~' E+ i
6-102 Number of Supply Services Permitted. F8 V! [% Q& q5 V/ w# F0 @5 l9 C
6-104 Number of Consumer’s Services Permitted in or on a Building# S. S/ i7 _9 |/ D" ?
6-108 Supply Service from an Electric Railway System
+ y, o" \2 J: V, g9 A6-110 Three-wire Consumer’s Services
3 t! D# O5 P6 f6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
4 m+ p( m! z% ^5 h6-114 Methods of terminating conductors at consumer’s service8 U4 {4 c; `0 b9 u# k
6-116 Consumer’s Service Head Location) ?" ?; `& f" w- M8 F: h
Control and Protective Equipment
: A# k9 ?2 `- ?* u% k6 @6-200 Service Equipment
d3 z: B. U2 h4 y2 M* ?7 X6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)# M9 k- t9 h$ ]5 c4 N0 \" a0 {
6-208 Consumer’s Service Conductors Location- F7 x5 k) y2 V; ]4 d
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
; E; V2 A' A3 w6-212 Wiring Space in Enclosures, u% \( _3 A8 V. S
6-214 Marking of Service Boxes
# i; W& h2 _7 \" y! ?Wiring Methods. A* T, @3 R+ Y# q7 n+ ?9 S
6-300 Underground Consumer’s Services
9 b. S' q) S* t3 B. a" o6-302 Overhead Consumer’s Service Conductors
1 _ S* w: I- ?0 C6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
% f3 \9 S/ R' M q. ^; X# q! f6-306 Consumer’s Service Raceways# c, Q% e" c7 d
6-308 Use of Bare Neutral in Consumer’s Service
' t8 w) W8 N R9 C7 W& j9 P! e6-310 Use of Joints in Consumer’s Service Neutral Conductors9 i, U% F3 J% ]' z: U0 Z
6-312 Condensation in Consumer’s Service Raceway/ m. S6 K6 f+ y4 N8 U
Metering Equipment
4 M! y! l; g1 ^8 @6-400 Metering Equipment/ V4 T: w% [! f' \ [' S
6-402 Method of Installing Meter Loops8 w9 m h% s* \& b
6-404 Enclosures for Instrument Transformers8 e: x1 B# W9 H, I3 ^8 x5 C
6-408 Location of Meters% |! s& Z3 y! p5 u. c; o1 \, h
' x R' U, [6 c5 l8 R
Section 8 Circuit Loading and Demand Factors
, F/ t, \1 u' P" DGeneral
: z! b9 J$ b9 y) c5 E7 _* Z) P1 Q2 b8-100 Current Calculations% g. s. }8 S' K0 x1 a k4 q
8-102 Voltage Drop ( see Appendix D)8 U) b# {' m+ h4 n9 U+ I7 n: v7 q
8-104 Maximum Circuit Loading
3 b5 G" j! e9 S S# \2 R: J$ K8-108 Number of Branch Circuit Positions- f/ B, s1 M* \' W
8-110 Determination of Areas
4 M6 ]5 {+ y/ ?% n- p( _Services and Feeders
n- b2 ^# Z! e$ d8-200 Single Dwellings (see Appendix B)2 k9 D5 C: k/ y- f8 ]. E, [
8-202 Apartment and Similar Buildings
) Z g1 H* A* ^$ N8 u' `8-204 Schools3 N9 Z9 p6 Q* G- `
8-206 Hospitals
, P& x2 b/ O" g7 l; I& P8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
% O( Z: {7 v; u2 d0 x+ X: D0 q8-210 Other Types of Occupancy (Table 14)
1 Q+ M6 K8 G7 u8-212 Special Lighting Circuits6 U. s5 h7 @& S7 p, C1 {
Branch Circuits. w# X- X- l: V% |
8-300 Branch Circuits Supplying Electric Ranges
8 R8 _! B0 ?2 n; p& F! Y2 \8-302 Connected Loads. E$ s( T* P0 P$ v8 ^. k
4 \; E Z, u' r% O* ~
Section 10 Grounding and Bonding2 m0 V) N9 z$ M$ R* B( B! ^! N$ J M
Scope and Object
; S1 O2 @1 }( Q10-002 Object) Y& v5 o+ ~$ P1 K, q
System and Circuit Grounding
0 P3 R. P; Q% ], b$ }1 o. E$ y10-102 Two-Wire Direct-Current Systems
6 {1 F) c9 l N$ F7 [* s10-104 Three-Wire Direct-Current Systems5 y8 p+ r$ s, Q. M7 t1 R
10-106 Alternating-Current Systems
# j! e8 J3 J0 v10-110 Electric Crane Circuits1 }- a3 g+ H9 \0 \
10-114 Circuits of Less Than 50 V
# X1 C8 s- ]/ ^8 u" A1 D10-116 Instrument Transformer Circuits
1 Y: p& P3 J2 kGrounding Connections for Systems and Circuits
: U+ V8 E( c4 ^10-200 Current Over Grounding and Bonding Conductors
2 n/ i9 T1 N. ~ ]7 B" a5 m10-204 Grounding Connections for Alternating-Current Systems/ H# g& s1 X" t
10-206 Grounding Connections for Isolated Systems
1 R7 k3 B" t" Q& m/ k10-210 Conductor to be Grounded7 X% e2 B3 D K, H
Conductor Enclosure Bonding
& q9 I8 j! g9 K7 K3 a/ {5 \10-302 Other Conductor Enclosures
1 H$ X" a7 R! I- t2 S, dN 10-304 g/ V: K, |. w% g
Equipment Bonding w& j g) [+ W- ]) b J; k+ }* o
10-400 Fixed Equipment, General
. V. K( _. x0 d. l10-402 Fixed Equipment, Specific (3), (4)0 J/ i% n* q! A& {3 O+ L
10-404 In Nonmetallic Wiring Systems
) X8 q+ j) L7 {0 B' V10-406 Non-electrical Equipment
* \$ {; M/ q6 J& F6 m' j! P5 h9 }10-408 Portable Equipment (4)(b): f& H( H( q; N1 f8 u N
10-410 Instrument Transformer Cases
+ i8 l* q7 W/ u( t# f2 X$ ]& c10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
: Q- m2 W$ v( g10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V4 ]$ @2 J3 c6 r; D
Methods of Grounding/ d/ ~# {3 q0 n2 P. k7 i& t3 ^2 H
10-500 Effective grounding (see Appendix B)
: Y8 M9 R8 n5 p: R. T `10-502 Common grounding conductors
9 A- A; M- b+ V, o$ l10-504 Common grounding electrodes
/ K. t7 g S! [5 c5 JBonding Methods
, `5 O7 A- b( [% M" l* y10-600 Clean Surfaces! A# E5 k* z$ p; D3 J8 F
10-604 Bonding at Service Equipment
. e4 S( L) L( Y10-606 Means of Assuring Continuity at Service Equipment
9 K5 ]5 C. W q0 d2 s/ K10-610 Bonding at Other Than Service Equipment
) O& A5 N J3 [" n& p! O10-612 Loosely Jointed Metal Raceways8 O# L: N! \+ e: A9 v
10-614 Bonding Jumpers Table 41
/ ~2 }' O. i }! CGrounding Electrodes% R0 U% \. K& J* S
10-700 Grounding Electrodes
: W7 V5 T9 E6 E6 u6 D% F9 M10-702 Artificial Grounding Electrodes
. d& Q% M0 {% J7 u' kN 10-700 & 10-702) P$ Y7 P2 y5 }7 M. \. {& |$ t( Q
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)+ }3 o$ D9 Z/ q
N 10-702
! w7 `3 ~: \. Y- ?( N9 S. Y! {10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
, W6 M5 {2 a1 }7 IN 10-7025 f0 M" m+ \/ _3 V' }
10-710 Use of Lightning Rods (Appendices B and G)8 f3 ]) D# t" P- ?, a6 h' U2 W$ U( X
N 10-706$ A0 v8 N' g2 }4 j' w7 n# u
Grounding and Bonding Conductors! ~! _8 [8 w. T |
10-800 Continuity of Grounding and Bonding Conductors( n/ |9 P0 {/ K9 T8 _& r7 U+ c$ R
10-802 Material for System Grounding Conductors( r" s3 H; A; b# Y, ?
10-804 Material for Bonding Conductors( W$ R8 c' \& W$ Q* I
10-806 Installation of System Grounding Conductors. B$ l2 O3 Y* ]
10-808 Installation of Equipment Bonding Conductors
H8 E3 s( d9 w/ ~: V/ r10-810 Grounding Conductor Size for DC Circuits
0 a: c5 K8 u0 a/ M% s3 _10-812 Grounding Conductor Size for AC Systems (see Appendix B)! k" ^- O( @6 v# q* y* ~& x
10-814 Bonding Conductor Size (Appendix B)
: r( x: X. {- J5 p# Q: n \10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
' B8 j0 q2 w5 N10-818 Bonding Conductor for Outline Lighting
) ?* L3 N4 y2 x- E10-820 Bonding Conductor Size for Instrument Transformers
3 u) l1 n# B8 x$ |6 n' l1 dGrounding and Bonding Conductor Connections
/ Q0 J! H8 f. O% `& _; V10-902 Grounding Conduct Connection to Water Pipe Electrodes! I: T- a" J4 u7 Z Z9 X
10-906 Bonding conductor connection to circuits and equipment
) O) S% v5 a0 w1 A( s10-908 Grounding Conductor Connection to Electrodes
# X8 V( p, V5 {+ }7 P: _8 yLightning Arresters
; B8 m* r% w1 J; y% _# F9 e; l" p10-1000 Lightning Arresters on Secondary Services – 750V or Less2 e* V1 i: v& q" |5 L9 x2 o1 h
9 x9 }- @/ Q- V5 i- Q' [* K0 @ ZSection 12 – Wiring Methods' b7 Y/ A% v0 k2 V$ B5 V
Scope& h4 ?9 e$ e! ]" U% r( b
12-000 Scope (Appendix B)
9 f6 T8 T. E/ b1 QGeneral Requirement
: X" P! C7 J2 a M# _6 s- Q/ V12-010 Wiring in Ducts and Plenum Chambers
5 Y/ o1 ~! h& X! U. Z- K12-012 Underground Installations (Appendix B)
8 i$ t* X- z# R, C+ w3 p M12-016 Lightning Rod Conductors: ^* ?8 m: A# f: {2 a. R# z& ~$ B& r
Conductors - General# U! b! L; B4 E/ n% q7 Y
12-100 Types of Conductors (Appendix B) Table 19
, n: p. T- d. w. P) C' q& P12-102 Thermoplastic-Insulated Conductors
" p7 \ X; U5 g, E5 w! P12-104 Flame Tested Coverings
0 t. u( @- P; T% U1 B12-106 Multi- and Single- Conductor Cables4 v( ^( e3 Q# u3 H; r( R1 a' h
12-108 Conductors in Parallel (Appendix B)
1 o" e3 e" a0 D4 M9 _12-112 Conductor Joints and Splices; n/ e7 z! N8 w( h
12-114 Ends of insulated conductors
5 H- D' S, b; b3 D: r3 ]. j12-116 Termination of Conductors (Appendix B)1 H! @% b5 l& w3 V% v! _$ Q% I
12-118 Termination and Splicing of Aluminum Conductors
7 ]9 l1 L. j) W0 ]8 K0 m' n& A9 M# [12-120 Supporting of Conductors - Table 21+ b& t0 ]& ?; z+ U* [: a8 _
Open Wiring' f5 E! T( K$ I4 [) h
12-204 Spacing of Conductors& Y ^& V, ^6 e) \
12-206 Conductor Supports
9 z0 D0 d3 `. V2 u. I' O12-208 Conductors on Flat Surfaces& h# \( m! E! ]2 O
12-212 Protection from Mechanical Injury2 z5 k0 \ j8 {7 y2 J
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
. O1 E8 n7 B/ C4 @" k8 V12-308 Minimum Size of Overhead Conductors3 [3 I2 z7 u4 G5 c* e7 Z g
12-318 Use of Neutral Supported Cables7 @$ G% n5 `0 q0 ]
Nonmetallic Sheathed Cable
. a7 o* {# A3 p; {: j6 W12-502 Maximum Voltage
& Y7 Z; B: E1 W- O% Z12-510 Running of cable between Boxes and Fittings (Appendix G)" F2 P o( w% x9 \& C3 \
12-514 Protection on joists and rafters
0 D- y9 D4 S9 ?( ]2 b4 S12-516 Protection for Cable in Concealed Installations (Appendix G)* x0 l! ]5 _2 I/ f5 D* O
12-522 Where Outlet Boxes Are Not Required
/ _& f( J4 ^0 j, y1 D8 X9 G, ~6 vArmoured Cable# P$ Y: X2 Z1 ]: w" S7 O- j. B0 K
12-602 Use (Appendix B)2 J( F& Z7 C) ~# r
12-604 Protection for Armoured Cables in Lanes/ | ^! k/ J4 X' R1 h) d% R
12-606 Use of Thermoplastic Covered Armoured Cable) t+ z7 m( n! h7 G$ i6 z/ ]
12-608 Continuity of Armoured Cable
' p2 Y# O! M% b- x' G; M7 _12-610 Terminating Armoured Cable
) h* O- e0 v$ k& j2 d7 y# l12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems* B7 k( M. p( b1 ~* d0 M
12-614 Radii of Bends in Armoured Cables4 q( v! M z3 }) W$ C6 R
12-616 Concealed Armoured Cable Installation
6 W( Q! M% |: _( a12-618 Running of Cable between Boxes, Etc
8 F7 j _& Z6 a6 \3 SMineral-Insulated and Aluminum-Sheathed Cable
" z+ N( X; _6 D+ S/ G: h* `# f9 Q12-702 Use
( ?/ F4 l0 q, C12-704 Use When Embedded0 n- q, f$ A6 _9 h7 G. L: z, D
12-706 Method of Supporting
# b. b/ T4 L7 E# |3 t# h12-708 Direct Earth Burial
$ P; C+ r: }% L; w# G- A; H12-710 Mechanical Protection; O! R$ I" a$ n* z9 ~+ E( `
12-712 Radii of Bends6 C5 @ F% m3 ^1 |9 }) _: z; D g
12-714 Termination of Mineral-Insulated Cable (Appendix B)
2 ?0 }: N; j: u& W- v: a" }& q12-716 Connection to Other Forms of Wiring
2 R: b# l+ J' x' JFlat Conductor Cable Type FCC
" a) x1 E, h7 A" W12-804 Use Permitted
6 O# F8 [6 x; y3 Q+ P& D12-806 Use Prohibited
1 C( y& i% E# c" |! I12-818 Anchoring
T1 w' m" T7 i6 A) {3 ^( d L r12-820 Crossings
( \5 ~& o4 t" \3 O3 iRaceways - General" w/ I; P- o! d" O8 m# ?" @! c
12-904 Conductors in Raceways
; Z9 L r& `) q12-906 Protection of Conductors at Ends of Raceways4 @) x. d! r# r6 h, k
12-908 Inserting Conductors in Raceways s- S% U7 G, B! j+ d* R' H
12-910 Joints or Splices Within Raceways5 Q: I% A+ i- p3 O6 p
12-912 Stranding of Conductors$ t! ?6 M* t8 f& {- e7 E( G
12-914 Electrical Continuity of Raceways- o9 s: }. ]" r+ L) n2 a2 ^1 a
12-922 Radii of Bends in Raceways
$ c* ?) ?; U, I. mN 12-922 Radii of Bends in Raceways Table 7
9 n& A8 Q l* \8 I* F12-932 Protection for Raceways in Lanes ?, Z) N9 Y1 `3 F2 C
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
& y. ^. l5 A. @& a6 ?$ T: p12-938 Capping of Unused Raceways
4 }- x* r. v; d4 |12-940 Maximum Number of Bends in Raceways& M" ?: l$ u7 n# P" C1 F6 }
Rigid and Flexible Metal Conduit m. v& I1 g* u3 l
12-1002 Use+ Z1 z+ h9 j. b- S, R' v' E
12-1004 Minimum Size of Conduits
: y L$ m. P( [12-1006 Conduit Threads (Appendix B)
1 S" y- _6 a$ E/ @9 Q' \3 y12-1008 Thread Engagement
- M& I$ r% F. U$ Z% l12-1010 Maximum Spacing of Conduit Supports
n# t% W% m2 ?12-1012 Expansion and Contraction of Conduits (Appendix B)4 p+ t0 C' Q/ u. J" o
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
( ?2 N# N# f& }: z9 I Y- [Rigid PVC Conduit and Rigid HFT Conduit
1 I" c( G0 Y& ?- }7 ?12-1100 Use
! Z! R8 z: i& A! f4 t! |12-1102 Restrictions on Use( e# `* Q% {& u
12-1104 Temperature Limitations (Appendix B)
& N8 g H2 F2 a# D' S+ h3 j3 ~12-1108 Field Bends (Appendix B), (2)0 X7 z3 r$ u3 C# t' p
12-1110 Support of Luminaires
) J; R) p7 ~3 U' r, V12-1112 Fittings/ k! P) \1 e5 t7 @& l3 W7 d$ j
12-1114 Maximum Spacing of Conduit Supports
# F" v9 ~. _" c- @+ J/ q12-1116 Support of Equipment
! Y5 t& o! ]$ ^# a12-1118 Expansion Joints (Appendix B example)1 F; v$ D. P) h! b/ t! g; a/ E# P2 L
Rigid RTRC Conduit
" \" w4 r1 O% z7 P) P& e* u3 {5 N" B12-1210 Temperature Limitations
& t0 ~9 q: N- X! M# L6 `% m" H8 y12-1214 Expansion Joints (Appendix B)/ E) L5 _* V1 P$ r3 E0 C; f7 C
Liquid-Tight Flexible Conduit- j% N) A2 v4 w& F- [# r! E! X4 _
12-1302 Use of Liquid-Tight Flexible Conduit
1 }/ B8 @6 \5 _5 T" r3 V12-1304 Maximum Number of Conductors
. L( f; ^3 j6 l* D- V12-1306 Provisions for Bonding3 ^( R1 N: C @; }6 M3 P. R
Electrical Metallic Tubing
; z" x; l2 y @& W12-1402 Use
' u3 e2 s" I7 O, x" N12-1404 Supports
4 a* X3 C7 ^4 r2 M( q0 Y3 W% C12-1406 Minimum Tubing Size
) y) d& L9 p( w' K12-1408 Maximum Number of Conductors! W% d8 d1 J9 M0 Z
12-1410 Connections and Couplings
1 N5 @/ H. E! @( j$ [: O* E- g% t12-1412 Radii of Bends in Tubing
% V( x; E7 q0 p, e% U! e3 n8 uN Table 7
X# f; k. H0 |, O) o' CElectrical Nonmetallic Tubing( C8 q1 K. O y/ K" x! T4 ~
12-1516 Provision for Bonding Continuity1 i6 C2 g# a( w% t* r9 J( I
N 12-1514
1 E! D2 U9 S' n% J8 MSurface Raceways3 t% |. y( h8 C3 q# \5 _5 G
12-1602 Use of Surface Raceway (Appendix B)
2 g3 b& ^4 ]; T0 S- f+ p. m, d12-1604 Temperature Limitations
& B1 C. a/ `# F) Q6 a( i2 C# Y! I12-1606 Conductors in Surface Raceways (Appendix B)# q4 \* @" b Z6 _/ O0 @* D
12-1608 Maximum Voltage. B* B& ]% v" y
12-1610 Joints and splices * {2 A' p: j% Y1 w. |3 m, @# y
Underfloor Raceways
" P. M2 ~7 d2 i* J! t% ` T12-1712 Discontinued Outlets in Underfloor Raceways T7 m+ g; ^# f" _! i+ P( f3 n
Cellular Floors
, D) N$ D& w7 @3 L12-1804 Maximum Conductor Size in Cellular Floor
; i* N i Z! [# Z0 j12-1820 Cellular floor discontinued outlets
8 [; K( e" s8 N$ O7 DAuxiliary Gutters2 Z4 h! |6 K3 Y7 }
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
' n5 t( j8 [5 ~' H12-1902 Auxiliary Gutter Supports
5 P7 r3 I- M7 ?/ R" j$ l, } }12-1904 Auxiliary Gutter Cross-Sectional Area
7 I1 ~9 c, t6 W' D b0 QBusways and Splitters
2 C, q# [: H" X% O, T g12-2004 AC Circuits in Busways and Splitters5 M$ @4 E7 h9 A% ~7 F
12-2006 Busway and Splitter Supports6 \) j( P b* F; S
12-2008 Method of Installation of Busways
0 a% ~; m$ }1 v- @4 x+ |, e4 h12-2012 Reduction in Size of Busways
3 ]5 p2 R& M( u12-2014 Length of Busways Used as Branch Circuits
' F' \% l: c0 b1 b; h2 I$ i12-2018 Taps in Splitters
0 a- h- U7 V7 \Wireways% S5 x% q& R: C5 E; Y3 `) h
12-2104 Conductors in Wireways
( B, K. K1 e2 D4 w6 v* ]: ^12-2106 Taps and Splices in Wireways
2 V4 e9 U& U! A7 [9 O2 n Cable Trays W3 C4 j5 J! A$ v, `. r
12-2200 Method of Installation (Appendix B)
' T4 B/ ?& e( u. A12-2204 Joints and Splices Within Cable Trays
( x: Q$ |; S* [12-2208 Provisions for Bonding/ ^3 T8 y- `+ [8 _* J1 K
12-2210 Ampacities of Conductors in Cable Trays
4 O& h3 V# a" B" q# oInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
* l+ V4 B. ^. I6 j) K" m12-3000 Maximum Number of Outlets Per Circuit8 F. O2 o$ O. _
N 8-304" c( o1 ~0 N5 W1 x; N+ X
12-3002 Outlet Boxes (Appendix B)0 G: L: Y3 q1 P* `, I& X
N 12-3000 q. t5 z$ x6 J
12-3004 Outlet Box Covers
3 N; F4 G/ G# r% I1 e7 |N 12-3002
; ~" a0 N& y P; E T$ @12-3010 Boxes in Concrete Construction4 o8 o2 n5 L; n, X4 y$ ]
N 12-3008- G1 g: Q" S5 i& {( }% S; L5 N8 z
12-3012 Outlet Box Supports
6 E5 E7 Z: t0 ]' }7 x+ ~4 J3 U* oN 12-3010
. ~- P' }) v& Q% R, O2 {12-3016 Accessibility of Junction Boxes- K. r3 N) h9 S+ e0 L
N 12-3014/ u, y2 V" S9 Z
12-3018 Flush Boxes, cabinets, and Fittings0 w$ h* v; F. `
N 12-3016
% ^9 A* s& `# q" i12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
4 Z- e! ]3 t ^% H( L+ u5 NN 12-3022
- Z, R) j- }+ @# b1 Q12-3036 Maximum Number of conductors in a Box - Table 23) z& `9 B3 J3 B3 H) w- `3 e t! i4 [
N 12-3034
, m5 W6 j$ q _/ T& P12-3038 Pull Box or Junction box Sizes
& M/ N6 @$ t/ U5 `N 12-3036
) Q5 g2 X5 t7 V5 A- q1 \5 W& Q( M: X: y' L! c* p7 C8 E9 S2 h
Section 14 Protection and Control
, M' I7 A0 D- K" s5 OGeneral Requirement
: r( C, D3 `) A- b, i14-010 Protective and Control Devices Required
, D( m+ x! N& ?) l14-016 Connection of Devices. l0 X( L2 m. s6 w9 b
Protective Devices – General, g) S: I- \8 x9 X% G
14-100 Overcurrent Devices Required$ _( ]* c* W# O, s& M
14-102 Ground Fault Protection (Appendix B)
" C# w, D8 s# l2 _14-104 Rating of Overcurrent Devices (Appendix B) Table 13
' o/ W. Q5 L, @! {7 p; s7 R- F9 Q14-112 Overcurrent Devices in Parallel4 Z4 Z% [! p- M
Fuses- m( t, ?9 |8 b) L( d+ J( r/ ~3 a
14-200 Time-Delay and Low-Melting Point Fuses
7 g C2 l# ]/ e6 \) m% P% y" g14-202 Use of Plug Fuses
5 V+ n. R" O8 D: C14-208 Rating of Fuses5 N D- Q6 j# c r$ a3 O
14-212 Use of Fuses (Appendix B)! R+ @, v2 @ `/ [
Circuit Breakers9 p% Z* }$ C {' [. h+ X
14-300 Circuit Breakers, General
! h: Y& m$ _/ S14-306 Tripping Elements for Circuit Breakers
: V) F& Q% ~) s- B% e6 I14-308 Battery Control Power for Circuit Breakers
# C7 b, B4 S2 Q" ^Control Devices - General9 S8 u' a( a4 E' ~) c
14-402 Disconnecting Means Required for Fused Circuits, t& w; J2 g' T/ x3 ]
Control Devices - Switches
* ]! y. v- Z4 y- l- H5 h14-502 Mounting of knife Switches
7 E9 X# x0 G+ p. g& t) f8 Q14-504 Maximum Rating of Switches
$ Z4 c8 S E1 y4 g! r14-508 Rating of General-Use AC/DC Switches (Appendix B)
" v* |" ?* p1 J: O14-512 Manually Operated General-Use 347V AC Switches (Appendix B)) P; ?' p$ f# P" d3 z+ x
Solid State Devices
8 |7 V+ W. t# p2 N9 b14-700 Restriction of Use
9 K& K" W L. K& r$ d14-702 Disconnecting Means Required
( @+ O9 G* G$ s) ?( e* M6 P9 z* `" |# b3 r. x5 [4 V
Section 16 Class 1 and Class 2 Circuits/ F. ~! W I9 G7 E3 N& \" L
General# t# o9 H- w' U/ d! c, \% v
16-004 Class 1 Extra-Low-Voltage Power Circuits, {5 O. j' m: v: F9 m
16-006 Class 2 Low-Energy Power Circuits
" W& }9 W9 a' j* d; G5 s# m16-012 Circuits in Communication Cables8 C$ Z2 [0 B$ ^' V
Class 1 Circuits
- @3 p; T6 E! q" V5 G16-100 Limitation of Class 1 Circuits
- S x3 d. X1 g16-104 Overcurrent Protection of Class 1 Circuits$ G) B0 C1 x7 d F, A5 o
16-106 Location of Overcurrent Devices in Class 1 Circuits9 F& Z5 k) D" d! c2 _+ S
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers3 M% h. C/ M z
16-110 Conductor Material and Sizes
' I2 _# A0 ^ o) A& T16-112 Insulated Conductors for Class 1 Wiring' W7 L \0 }3 X) } l7 P
Class 2 Circuits
( X" K& d" F* Y# w0 s16-200 Limitations of Class 2 Circuits (Appendix B)
6 a$ h: [: O$ X6 z9 Q8 s6 r16-204 Marking; W" m9 A3 t5 [1 ]+ B) h
16-206 Overcurrent Protection for Class 2 Circuits# w" k. g3 g7 i! n4 W, K
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
8 l, G7 j/ q( H- i( ~$ G* YELC: extra-low-voltage cable
5 k! |- B7 Z# L$ w5 @* h16-212 Separation of Class 2 Circuit Conductors from Other Circuits1 P* S! Q& X# `
4 \5 r9 U1 W7 B! r
Section 18 Hazardous Locations
$ f1 f' ~1 r) J8 o6 `* ZScope and Introduction; r% G0 ?: [1 g9 z
18-004 Classification
, Z1 I7 Q; ~. s8 T5 s18-006 Division of Class I Locations (Appendices B and J)
1 o+ V/ [- \; T4 ?1 K/ i; V' |18-008 Division of Class II Locations (Appendix B)3 y7 d3 d$ l7 D2 [( d8 ?. m5 @- [
18-010 Division of Class III Locations (Appendix B); k9 |' ]! [! u/ y2 A' S
General
2 j2 h& V0 W; [; s18-062 Metal-Covered Cable (Appendix B). A# i7 G- Y0 E
Installations in Class 1, Zone 1 Location0 |9 b, S- p9 X/ |( y; r) N
18-108 Sealing, Class I, Zone I (Appendix B)
# ~; B, v _$ s( o, u; Y; ]9 [- i; p/ x
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars- [! G5 ?# r! ]! M$ d
Gasoline Dispensing and Service Stations
* z0 J, y8 G f _% ?4 f$ X20-002 General# D T' g+ N8 @8 c4 u
20-004 Hazardous Area (Appendix B)- z( u8 \) v4 t3 o$ P, x: p
Propane Dispensing, Container Filling, and Storage/ c2 g& N% T2 Z5 E
20-034 Hazardous Areas - Table 63
- j. M1 b% E6 ?, w) \; z4 lCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
7 S0 }. I* a5 @& J20-062 Hazardous Areas$ N5 B8 ^- r2 f
Commercial Garages – Repairs and Storage* n! ^# `6 }& C1 o1 T1 N# K3 k
20-100 Scope) W* |, z. |: r$ Z0 I1 z0 I
20-102 Hazardous Areas (1)
' v7 |2 w' s; G; r
4 Z: h* ]8 D% T5 }8 \Section 24 Patient Care Areas
' L6 |4 y, d5 ?; |: \, G. F24-000 Scope (Appendix B)
0 k! ]- [& \4 z0 N) x9 L24-002 Special Terminology (Appendix B)
' k" h, |, l# Y# B1 o! u2 {7 k Patient care area
& @3 a2 l1 K# h: @6 PPatient Care Areas+ @6 n- U, Z( o8 k9 u8 v8 g0 @
24-106 Receptacles in Basic Care Areas (Appendix B)
8 F$ Z9 @1 D% P1 [0 S8 v# dIsolated Systems$ @& U+ {6 _& }4 t! w: s& g4 W
24-204 Single-Phase Isolated Circuits (Appendix B)( b6 A4 y, e( x0 [
24-206
; U; v# j2 _9 c2 B# _. R
4 ^2 o1 k- j3 W. L ~0 E, V8 S2 BSection 26 Installation of Electrical Equipment) N4 E1 _; D7 c+ x0 B! p
General
: E) z1 _# F& }# a3 r7 ?' w26-004 Equipment Over Combustible Surfaces (Appendix B)! A+ e+ [+ s$ t/ @: M& g
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
6 h |0 h8 r# a8 Q Isolating Switches3 h q9 r7 T3 r; u* t& F- \: U4 P
26-100 Location of Isolating Switches
1 |0 o3 D4 ?- w8 T t9 PCapacitors
3 r- h6 Q0 E' H7 C4 O26-204 Guarding of Capacitors
( o7 w2 S- ]$ E; a; i26-206 Grounding of Capacitors
8 K% t$ t7 ^. M& J- W26-208 Conductor Size for Capacitors% w _) R# r* Q' ~
26-210 Overcurrent Protection (Appendix B)
2 H9 g/ `% E6 M L( q# r( ~0 C26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits H% f; E4 ^; W5 `
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits! _1 v) @8 S5 p$ w6 Q# _
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits- M: ?' K( H3 `3 u& B
26-218 Special Provisions for Motor Circuit Capacitors& y5 w8 _3 S& Y5 I, p( v
26-222 Drainage of Stored Charge of Capacitors" F. b3 t+ Z) H5 g( R. a* o5 `
Transformers
" [( ~1 g6 o9 C% [. ^+ n26-240 Transformers, General9 l8 C, L/ a) M! o
26-242 Outdoor Transformer Installations; n B6 P- b! d w y, t- ~
26-244 Transformers, Mounted on Roofs (Appendix B)6 L I9 s) U- B' Z+ Y6 B* C7 o
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
6 D" x U- B6 P1 V26-248 Dry-Core, Open-Ventilated Type Transformers% {, p$ O Z: l9 e0 u
26-250 Disconnecting Means for Transformers
4 V0 {: i" u2 l% s. I. ^26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V0 _* x' z9 L/ x$ a0 c, v5 Y, ]
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
7 {7 e1 r" W7 c! w26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)3 s+ ^% ~3 A& T: V$ L' _) P
26-258 Conductor Size for Transformers% o( b8 p5 c$ a+ O3 @/ g, p5 E- |
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
9 r1 M+ I. z3 R o26-262 Marking of Transformers2 h* D$ `2 i5 H0 F
26-264 Auto-Transformers
4 h8 u: m* o0 R8 rFences% d0 n5 L- c# s X
26-302 Clearance of Equipment - Table 33+ |3 l3 v; d \/ c
Panelboards
1 s+ X+ e1 Z7 ~4 F" M& c26-400 Panelboards in Dwelling Units (Appendix B)4 e0 K8 B- b j+ v+ v5 M
26-402 Location of Panelboards (Appendix G)% i( V$ P# C4 C" A. [
Lightning Arresters
# s" P% Y7 q) q$ \26-508 Connection of Lightning Arresters
0 T* s$ y3 I& k& z: a( LStorage Batteries/ X; S0 a( o8 m) ~; N
26-542 Special Terminology
8 _, r) Q& B( ?# \- p0 F1 d26-550 Battery Installation2 s( X& F. ^1 y- w( N$ v1 W
26-552 Wiring to Batteries
8 P+ k: X; O+ f' dArc Lamps
9 Q$ F: J" v' n+ T26-600 Location of Arc Lamps. |# z$ x2 R2 H) J/ L" v
26-602 Conductors to Arc Lamps! I2 X+ V* c1 c! e# h
26-608 Globes and Spark Arresters9 u! M/ v/ H6 W3 G! k& x( T
Receptacles
0 v3 d7 p! r! Q9 y1 [, v9 l4 q26-700 General (Appendix B)
, f% |# M) q; X7 ?26-702 Receptacles Exposed to the Weather7 A/ M% ]6 v1 c, u, v0 B" T
Receptacles in Residential Occupancies
# k a3 P5 G4 \5 Y$ t" p( [( H26-710 General (Appendices B and G). m1 d, E2 x! P. A+ Z& Q/ D
26-712 Receptacles in Dwelling Units (Appendices B and G)
: K) d$ U b$ X# p26-714 Receptacles in Single Dwellings (Appendices B and G): D+ E3 U' O3 ?
Branch Circuits in Residential Occupancies$ r. b7 n* y# E C1 K+ }1 b
26-720 General9 p7 j& |% H2 V
26-722 Branch Circuits in Dwelling Units
8 Y9 T1 f4 a3 T: Q# k7 o/ y26-724 Branch Circuits in Single Dwellings
& `/ \1 k! c1 |. \/ m26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
: V1 _2 E# b* U2 eN 26-720 (F)
b5 j$ \0 Q. m+ q; x, W( AElectric Heating and Cooking Appliances
9 x, @% `+ q8 R! G8 o26-744 Supply connections for Appliances' o8 C( Z* F" i9 o
26-750 Installation of Storage-Tank Water Heaters E( K! B7 P4 G: X) i& l
26-752 Infrared Drying Lamps! k* T: U( f6 P
! C) V- s1 K& j% vSection 28 Motors and Generators
. K( I1 v" M! j0 {$ t6 kGeneral, l7 l( ?' s. Z! ^2 r
28-010 Special Terminology7 C: x/ m) M+ g; N# j* l
Hermetic refrigerant motor compressor2 }3 v; C! u/ ?6 ]. |* X" u
Locked rotor current rating
# J. d3 Q" t7 MService Factor
: \/ a; y9 C: e4 G( b4 `Table 44; Table 45; Table-D2. E( _; Z5 O2 s, g- o
Wiring Methods and Conductors
. j9 H- z5 U9 z7 L( }28-102 Portable Motors" ?3 k9 j; M" \, k0 G+ r3 R# Q
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
1 F9 G& ?& E4 _28-106 Conductors, Individual Motors- @8 H1 t/ ?. x6 b9 x" T- Y
28-108 Conductors, Two or More Motors
: c7 \( A2 h0 K% _" z28-110 Feeder Conductors+ i3 f; g% o4 J4 r9 x# W
28-112 Secondary Conductors$ _% l& k/ M9 X5 ~5 b: o& a
Overcurrent Protection1 S5 F, m' g. l% X
28-200 Branch Circuit Overcurrent Protection
2 Z' T5 o m* y28-204 Feeder Overcurrent Protection% \ y% }, W6 G. z
28-206 Grouping of Motors on a Single Branch Circuit
1 e9 r r9 c% L% P# M6 _28-210 Instantaneous-Trip Circuit Breakers (Appendix B)2 X6 j" Z- y7 M( I
Overload and Overheating Protection
1 j8 T5 `# |; D% W. w28-302 Types of Overload Protection
. D! _7 o; D+ p0 w! t28-304 Number and Location of Overload Devices (Appendix B) Table 25- V$ u$ `* E$ \4 [! e7 y5 X) ~
28-306 Rating or Trip Selection of Overload Devices (Appendix B)) q2 j+ `" L, L5 P% s! \6 B
28-308 Overload Protection Not Required
W0 D+ D. j$ e7 S8 l C' h" \* NUndervoltage Protection
3 d, C" G, o5 {0 }/ j" Y28-400 Undervoltage Protection Required for Motors (Appendix B)
8 @* i" y8 o; bControl
5 n, X2 {7 D. h; c: A7 L- h28-500 Control Required& R# `5 j. k5 P% c: Y1 S Q; q
28-502 Control Location) A! L/ A+ u q- \7 B- u
28-504 Starters Having Different Starting and Running Position
5 j+ [0 N; D8 A: \6 H28-506 Grounded Control Circuit
% o' M! a/ W5 I/ A8 k3 }Disconnecting Means, [* i4 `0 z8 G# K
28-600 Disconnecting Means Required
8 U5 K/ @7 i: ^+ o0 j+ J28-602 Types and Ratings of disconnecting Means (Appendix B)
% v- }& @7 J+ R B28-604 Location of Disconnecting Means( H( o. U* z( V# Q) O5 X
Hermetic Refrigerant Motor-Compressors
; D$ F+ s6 A3 V9 S# g28-706 Conductor Ampacity
5 H; Y& U* t7 s+ t3 ]0 S5 b& [28-708 Overcurrent Protection; x, L& T. w/ T5 O- p. {* D
28-714 Disconnecting Means
- E4 Q: _1 U$ S3 L( {1 tProtection and Control of Generators7 Z& c1 N4 I$ H' {1 z
28-900 Disconnecting Means Required for Generators
7 `% u S$ V7 f# h! d+ J0 q28-902 Protection of Constant-Voltage Generators
* W) u( O& J2 W: d n28-904 Generator Not Driven by Electricity/ O2 @4 J3 V9 A3 c$ m m
28-906 Balancer sets5 z6 S& s0 s( m3 E# n; r7 K! Q1 K
28-908 Three-Wire Direct-Current Generators- h$ H" j/ S4 W$ x1 x
8 v7 k4 x8 }7 ^0 `- @! e
Section 30 Installation of Lighting Equipment% a; z7 A2 D, d9 w. u% m& O
30-002 Special Terminology (Appendix B)
8 Q! P, f4 j: |, i4 w. H5 zGeneral5 s: N" N- ` i/ F6 F2 J
30-102 Voltage
2 T6 J$ l2 `7 N' K30-104 Protection (Appendix B)
* @, Z, k4 e" ^' O1 O- q6 \30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
% U! N* p! ^7 E& b6 ^30-108 Polarization of Luminaires% E) I3 i( ~2 D# j7 s0 b5 `
30-110 Bonding of Lighting Equipment
4 `4 a+ }6 R" Q9 lLocation of Lighting Equipment$ h! c1 k- |% l3 I/ |3 }' q j4 o
30-200 Near or Over Combustible Material
2 Z, Q. }/ f+ R' A% l. h30-202 In Show Windows
& R7 ?. {7 D' Z2 v! c. O! R" ^30-204 In Clothes Closets+ Q7 B0 p+ k4 K. ]
Installation of Lighting Equipment
7 W6 M9 P% u3 B9 V4 C30-302 Support
5 j+ o8 `( [2 U/ S8 q: N" _# b30-304 Outlet Boxes to be Covered" c u D3 X% Z, }& w3 z
30-308 Circuit Connections+ Q. `5 u' K4 Y( N& r
30-310 Luminaire as a Raceway, m; o! b) V; ]8 a
30-314 Minimum Height of Low Luminaires. K* `! {- Q( b
30-316 Luminaires Exposed to Flying Objects4 y0 U. |* X7 z: x: N
30-320 Luminaires in Damp or Wet Locations4 |+ e& [: n* c- v8 {& O- E" \
N 30-318* a& {9 i0 X( T0 j* n0 ^
Wiring of Lighting Equipment
4 l! u- P& E* J* Q/ H; @( J9 E30-400 Wiring of Luminaires8 x6 q9 O2 w- J# h$ n$ l
30-402 Colour Coding; @5 h; O- F' ^# Y; C$ P+ a2 \
30-404 Conductor Insulation: r2 q6 e p5 a6 t) S4 c; o
30-406 Conductors on Movable Parts0 a! v# ~! g: J
30-408 Wiring of Ceiling Outlet Boxes) Y) X& s; d E n2 [; m5 Q5 y! W& e
30-410 Wiring of Show Window Luminaires# k; R+ n/ K: q9 q: z
30-412 Tap Connection Conductors* e0 v& q* s8 A2 B, O1 m
Luminaires in buildings of Residential Occupancy
O5 i$ E% i+ s( `- n. p" V30-500 Lighting Equipment at Entrances (Appendix G)
0 z6 ^$ r( p1 x7 ^: r/ e5 ~8 M30-502 Luminaires in Dwelling Units (Appendix G)/ W5 [2 o1 X7 d. l6 S4 A- ?
30-504 Stairways (Appendix G)
4 |3 B( Q6 `; Z5 X* G) p4 O30-506 Basements (Appendix G)$ V5 o. ]$ M) O+ Q; _/ `$ q5 e
30-508 Storage Rooms (Appendix G)9 v+ @, u$ e, ^: C- H
30-510 Garages and Carports (Appendix G)0 d- |: Z$ W2 p
Lampholders0 s/ J8 k) ]" y" h v$ |
30-600 Lampholder rating with Incandescent Lamps+ P5 x) T& l$ s. l" R0 I V
N CANCEL" [- ^6 X# o& w
30-602 Connections to Lampholders
; o5 k* w0 x9 I: q' R; y+ {N 30-600/ _0 I4 ?2 Y( u. N# z m3 R
30-604 Switched Lampholders Used on Unidentified Circuits
6 [6 L; R# _9 F* DN 30-602
; ]% i0 y0 b: J/ _30-606 Switched Lampholders with Pull-Type Mechanisms
# o5 M$ A, P c7 m: u1 x5 WN 30-604
0 T# m- d( A2 f$ d0 T0 Y30-610 Pendant Lampholders$ i4 U$ ^- {, @- L, N. A
N 30-608" a6 X8 C$ p* _ l& n% o' m( Z
Electric-Discharge Lighting Systems Operating at 1000V or Less
0 l7 \. K/ ?, h/ D% T" B' A! J8 {30-710 Control (Appendix B)! D! V! V( k* l8 e8 I& W: X# B- o! [
30-712 Branch Circuit Capacity
4 D/ Z) I, g$ Y9 w2 w8 A+ KElectric-Discharge Lighting Systems Operating at More Than 1000V
c8 b' Z5 k, }30-802 Voltages, Dwelling Units
, f* {1 {' U+ M* F( I5 P30-804 control (Appendix B)& x J, y1 z! b$ d5 C# Y9 Q/ ^
Recessed Luminaires (Appendix G)
. p+ W1 k/ ]2 f4 T; {& Q30-902 Spacings for Non-IC Type Luminaires4 h4 G! m7 Q" X, s3 F2 m% R
30-910 Wiring of Recessed Luminaires (Appendix B)
% }& ~! I/ x' B: f8 e$ fExposed Wiring for Permanent Outdoor Lighting4 x- t) z; F" Z& X" H
30-1120 Branch Circuit Loading and Protection
# {4 a2 i5 g5 m/ EExtra-Low-Voltage Lighting Systems; n+ E% U. k' m8 g8 f9 U: k
30-1202 Sources of Supply
+ N' S+ _7 R9 h" n& t2 Q
5 L) S% ]' ~( o8 W: R0 ESection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
, f; @4 L2 c' E, E2 i! D/ P8 b6 iFire Alarm Systems
0 F- n/ p( ?2 w32-100 Conductors; P: V) w) Y2 K5 v1 H
32-102 Wiring Method
9 v; r0 p! }, [2 N0 Z J4 y/ \: p32-104 Equipment Bonding7 @4 h* n' y- K5 }1 m
32-106 Electrical Supervision
/ D* f; R8 Z: T32-108 Current Supply
. [- k8 d* ^: J5 |4 o32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G) u. j) |$ g; l5 }# M% s2 M$ m
Fire Pumps
) K% B& h1 h" T4 P; ?32-208 Overcurrent Protection (Appendix B)
8 \: B4 ^/ a6 o0 _. A- X/ O2 sN 32-206
( j! l6 H" N5 A1 i A32-210 Overload and Overheating Protection (Appendix B)' y p2 v9 L' ?& }5 @
32-212 Ground Fault Circuit Interrupter (Appendix B)' i: m8 ]7 o# g, u$ m C
, o3 q" p+ z0 _$ l
Section 36 High-Voltage Installations
9 J" l2 A3 N, w' AGeneral/ C9 _6 S1 n! b& }6 ^# y
36-000 Scope (Appendix B)
. ?) S8 \) m" O4 a- B7 |36-006 Warning Notices6 l" M7 a0 A. i4 r4 W P" R9 r
Wiring Methods
+ e o: f. \3 u3 q( {4 f36-102 Radii of Bends+ K' a( {; ]3 ]0 y/ o6 p6 s0 {
36-104 Shielding of thermoset insulated conductors
$ Y$ G! {& l0 ^. w- f$ t36-108 Spacing of Exposed Conductors (1) table 30, table 31- L* G# ~+ T. f$ j. |1 }5 V
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
' P6 E! e% `5 @! w# NControl and Protective Equipment5 H3 t: d8 Q: n5 I* d7 i
36-214 Disconnecting Means
& O1 i1 j& T ?/ f2 C Grounding and Bonding. Y) J: d) S% J$ _; q2 X$ i: @
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections" e+ w) G! b. V
36-302 Station Ground Electrode (Appendix B): w& t6 f5 S9 z. F3 b/ S( G- y
36-304 Station Ground Resistance (Appendix B)
4 d$ A* |) @8 H" v1 S. i36-308 Connections to the Station Ground Electrode (Appendix B)
# U' @3 n5 c7 s3 g36-310 Gang-Operated Switch Handle Grounds8 U& k2 o4 w+ Q
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
! e$ B k4 d7 ?7 r
8 k. N" w3 X$ d" l- v' dSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
: e3 N8 N, ]& [$ |8 S$ _. _' d" G. ?38-002 Special Terminology (Appendix B)
( e* O+ ^ u! g# {38-003 Voltage Limitations (Appendix B)7 I" Q# @' g8 O" _% Z
38-004 Live Parts Enclosed7 U6 g8 s" L1 N3 U8 T# E4 h
38-005 Working Clearances$ }: Y( w. M; H7 y# ~* O) y
38-011 Insulation and Types of Conductors* E9 T% ~) n4 o
38-012 Minimum Size of Conductors
- [; g+ l: c% @; I
- N5 d# w( e/ E8 e( ]Section 40 Electric Cranes and Hoists. R" v; L% y; V! b! i6 M
40-008 Disconnecting Means V4 i# a' K6 [2 s5 U6 P0 G, \5 @1 ?0 i
40-010 Main Contact Conductors) X; Y' W+ h, R8 z, Y& J( }
2 \: U& p% b6 n( O! H; @Section 42 Electric Welders- [% J4 L2 C$ n2 O
Transformer Arc Welders
& g; _2 w. F' g/ j1 t42-006 Supply Conductors
4 z7 V, ]; J9 q: z- j* E7 Y; }' x7 i1 H4 V
Section 44: Theatre Installations& L' E7 \. \: z$ `8 `! k
General% c/ p) @! Y4 O% ^
44-104 Number of Conductors in Raceways" q t: `, \0 ^5 n$ C+ q
44-106 Aisle Lights in Moving Picture Theatres6 g4 g: v" F8 {# d/ R; k4 U* ^' C
Fixed Stage Switchboards8 M( [% c6 o9 `4 }4 U3 r! T
44-210 Overcurrent Protection
4 c( Z0 ]5 _+ L2 ZFixed Stage Equipment& a, [: v2 M: w' e
44-324 Receptacles in Gallery Pockets
6 D) m( n$ x+ k' @+ i, z$ C44-326 Receptacles and Plugs
7 R9 K, x' P8 k7 ~9 ~- O4 |
- w4 p J% F" ySection 46 Emergency Systems, Unit Equipment, and Exit Signs, j* \) _6 \/ _( ~8 t
General
5 u L2 _. M/ ?/ n8 u46-102 Instructions
& R/ k$ G! T! h j46-108 Method of Wiring (Appendices B and G)1 K3 R! T" L" @% k3 |
Emergency Systems# v6 N9 D D3 `" ?, N! h1 ~7 M
46-202 Supply (Appendix G)
* d$ L! R- V7 p' u3 O, e2 }$ z46-204 Control
( A9 }8 q$ S' {: C1 f46-206 Overcurrent Protection
2 T, }! n) `& m8 R4 a46-210 Remote Lamps
( |! S6 W) s/ o! p- G9 G6 l; _% xUnit Equipment
, ?6 a: E% }- X; x) \46-304 Supply Connections
- a1 d8 |, A9 A1 i; S" l& \# T46-306 Remote Lamps (Appendix B)
7 G& V6 F+ e- ^- w( vExit Signs1 H( q9 C0 A1 E7 Q u
46-400 Exit Signs (Appendix B and G)
, K- G& D" g: l1 Q- _; E; O; y: C0 M" i( B7 z6 ?
Section 54 Community Antenna Distribution and Radio and Television Installations/ F! n$ K7 d8 x6 q# g
54-000 Scope
1 e, h8 K' {) z% \& e54-004 Community Antenna Distribution (Appendix B)
4 }6 k/ M5 h+ C2 sCommunity Antenna distribution& a A) V8 n$ V! e+ z
54-100 Conductors$ Z6 Z6 [5 N4 v* n- C
54-102 Voltage and Current Limitations (Appendix B)
( m: f& M: O N7 i- TProtection
" j2 \) ~) d6 I, Q54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)) R7 h; R& I% \5 m2 Z: M' [
Grounding
+ G+ M4 A1 A. F# b5 R8 d, M& {54-300 Grounding Conductor% c: M- c6 l; {3 }7 @
Conductors Within Buildings7 ` [& g. ^4 T0 C( D) Q
54-400 Separation from Other Conductors, S/ p1 v' u# _1 v3 R
Equipment) b1 ^6 s" _. F9 G
54-500 Community Antenna Distribution Amplifiers and Other Power Sources. {* b5 ^9 F! _* [
54-502 Exposed Equipment and Terminations
; J7 `0 s3 F D. C9 o
' ?) J) a/ K& r2 e1 FSection 56 Optical Fiber Cables
0 ?. [ m' Z6 s! EGeneral
# M3 s; R0 U" J6 [: D/ Z56-100 Special Terminology5 X/ N/ E& b4 t. b; a
56-102 Types# Q$ i% Q% T; \ }# G! R, c
Installation Methods
2 P( b5 w6 S9 q' {+ B- `& I, g8 n56-200 Nonconductive Optical Fiber Cables (Appendix B)
7 L" k8 y. [8 I56-202 Conductive Optical Fiber Cables (Appendix B)
8 X! e6 e; y! ~3 h% v2 \5 Z5 Y56-204 Hybrid Cables
: v: G! l( K5 R6 X$ S* a% j5 g7 P6 g$ Y56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)( B, g8 N, c' L* j. w8 L
; W4 f Z# B; \* t# G
Section 60 Electrical Communication Systems
* J0 M1 Q9 g% z( W1 n- XGeneral; b2 ~. i/ a/ r3 ^6 ` p
60-100 Special Terminology
2 X1 n6 X- n; xProtection
]+ f1 I: A" k4 h7 U# _/ a8 ^60-202 Primary Protector Requirements+ m8 T% u2 R3 y5 i5 y; v& |; G
Inside Conductors2 Z6 M8 Y9 t7 y5 o! Z# J
60-308 Separation from Other Conductors8 v/ Y$ }# H. k( f+ z
Equipment
, q( s; U) `. s0 A. \, E, [60-404 Exposed Equipment and Terminations
& |3 D S; L5 S. CUnderground Circuits) q. a: M8 o- V
60-600 Direct Buried Systems! z9 W* B2 d3 ~
5 A8 V; c, h/ Y2 ~! fSection 62 Fixed Electric Space and Surface Heating Systems6 j3 ^! W6 }( l, h* B" ?
General8 u2 F$ [4 o h2 i' c: N3 V
62-102 Special Terminology$ [7 q( Z# o: z! Z
62-108 Branch Circuits/ |/ j: c( g3 h3 o0 r" b4 A
62-110 Installation of Fixtures
7 T& h7 M' h4 Q5 m5 W0 c62-114 Overcurrent Protection and Grouping (Appendix B) (5): W* ?! L0 Y) V4 Y( r3 E
62-116 Demand Factors for Service Conductors and Feeders (2)
/ h' Z; ?. Z! a/ g' ^62-118 Temperature Control Devices
4 X: `/ W' S: C- H/ L62-122 Installation of Series Heating Cable Sets (4)(7)
5 ~, A) F! I$ Y' ]3 H1 r0 KElectric Space Heating Systems
% y3 a& J) o/ e3 J1 G& ~9 i62-202 Temperature Control
: x9 O, H" a" \& w62-206 Proximity of Other Wiring (Appendix B)* J/ a3 Y I7 V
62-214 Installation of Heating Panels and Heating Panel Sets
! w0 Z9 b" C! ?$ i" K62-218 Series Heating Cable Sets in Cement or Plaster Ceilings0 l6 q# \5 t- h
62-226 Installation of Under-Floor Covering Heating Panel Sets9 p2 i& q3 z+ K; s Y( s6 I/ G
Electric Surface Heating Systems
. n( k Z1 [8 O7 Z* _3 n. P/ `62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
/ l0 E4 f3 {; @) z
7 k- R4 W$ r0 ?. u: n- WSection 68 Pools, Tubs, and Spas. z- m# I5 _+ G
General: b! ` n" T* W8 T4 { b/ g+ A
68-050 Special Terminology4 W X2 e2 \6 y; q, z% b* ^" V
68-056 Underground Wiring - Table 61. l* G; F8 c7 g$ x* L0 J) I
68-058 Bonding to Ground (Appendix B)3 G' @# M: X4 T
68-060 Junction and Deck Boxes (Appendix B)7 s) K0 L5 }* l( z$ ?
68-064 Receptacles
5 n7 C4 t* I; O. B/ t, ]68-066 Luminaires and Lighting Equipment
# F3 M% }4 K8 Q! l68-068 Ground Fault Circuit Interrupters (Appendix B)( E9 J5 h' p u9 t1 ^
0 w5 v5 k; |1 Z; U
Section 70 — Electrical requirements for factory-built relocatable structures and ( J9 a/ z* x7 a
non-relocatable structures4 k4 f g; W$ r5 D1 e }6 f
70-130 Tests (see Appendix B)8 D& Q+ t" M% F- z' }! H
, _9 _5 o: F2 |! P# jSection 76 Temporary Wiring (Appendix G)
& v$ q% n$ J& f) N9 l76-004 Grounding: v/ L7 f. J4 ~' v: c
76-008 Service Entrance Equipment3 l. x) w; u8 v! z! p
N 76-0061 m4 H' {# B3 R1 L" T
76-014 Branch Circuits
; ?' m0 Y( H* g3 ?; b+ e+ d; u( lN 76-012. ]/ C. O! J# L( C
0 ]1 R9 `5 N6 i6 }9 c6 ]' J) LSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours" q+ v+ A# I. L! ~2 C8 B
Marinas and Yacht Clubs! B" ^# ^( I0 d. f& V
78-052 Receptacles l/ n U) W1 o
78-056 Feeders and Services9 J( l) ^& p) t. p% ?* ?
Marine Wharves, Structures, and Fishing Harbours8 P0 b9 ~3 Y3 s1 H6 ?* y! K. [/ E' g
78-106 Grounding and Bonding* s$ v4 @# w% ~& ^( Y. \
Tables& t+ e9 s$ t$ ~2 Q6 n" |
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
6 d! j3 w. g6 ~1 o5 {1 N: k
# \ ]1 K1 z4 vDiagrams: 1, 2, 7
# \0 A6 a/ k9 r" t" K; ~7 u/ o3 e/ i+ f; Z4 X# ^8 y' d* Y
Appendix B
4 e- K# l0 Z$ s% W& M" s, D' z0 fP352: Ground fault circuit interrupter- 6mA
/ u O' \3 l# \7 v# ?, q+ F* {) l9 @) AP354: 2-126 FT1, FT48 h2 m/ l2 E) w1 n1 S0 \
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
* x, U6 \3 c7 `P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)0 r( v' S1 d8 Y5 R
P370: 12-1012, 1118, 1214 Example:0 U% u% a0 a, L! A, e
P371: 12-1108
! \% x$ T/ K( Z6 mP381: 18-108(1)(b), 18-158(1)(b)
# s8 H/ J" Z2 i! P1 pP386: 24-2067 u! }6 ^; |1 u p* f9 ]" X% q
P389: 26-256! I7 O( c1 X {1 u7 J) s+ I
P391-P393: Section 28, Example to determine Motor Conductors and Protection
2 t7 w9 }+ M) m3 d( h. W4 @4 |$ _2 ^8 r' G1 t9 b* G
Appendix D+ T( ], b4 \3 w/ p6 y3 z' ?6 ~
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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