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Canadian Electrical Code Review Guide0 _) a3 _: F" x+ `$ O* C
For the Exam of Electrician For Red Seal License3 K0 F! p6 p+ n% a( o
" _, [: U1 p& [7 c) @Lesson One
/ C" J6 g7 e4 Y9 [+ }Section 0 DEFINITIONS: B0 S A7 {( z6 I1 B2 O
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:" @, h# S+ V( c, w9 g$ w7 e' \
Accessible as applied to wiring methods
4 n, U# S! E* g9 U: |5 W4 S( qAlive or live) ]6 A- k$ ~- @- `7 S& q5 q1 r/ U
Aluminum-sheathed cable) P+ W* w2 T; n. k9 g
Ampacity
4 U" u& s+ S$ k( oAuthorized person
8 X+ | t' o9 |2 t& gAuxiliary gutter$ b% f4 S: |3 l5 J
AWG$ U7 l! V* m# h& b0 f
Bonding7 o' n+ W" I( |4 \8 Z6 x# O
Cable tray
a+ e4 ] A! r/ D! q/ ~* DCellular floor
: M1 W" k& {0 A% o' ?Branch circuit
7 @8 ~0 b( e* ]. eBus
9 ~, Q3 b9 g L/ Z' C. UBusway1 L' D1 X0 j0 H
Communication circuit' U! l T/ t+ c! f
Extra-low-voltage power circuit7 i3 o) Y( N: U1 {7 T! H7 X
Low-energy power circuit6 R3 G0 ^6 Q* z* c3 s w
Multi-wire branch circuit" r- H/ u3 ^/ F) A+ P: D0 Q
Remote control circuit4 j7 Y6 @/ Z) X) I
Signal circuit) `7 J* o6 D8 Q7 M2 r
Circuit breaker B6 g6 n; z( X2 F# M h8 A5 Y- [
Instantaneous-trip circuit breaker
0 I3 e: j' L' M0 j9 k5 vConductor) z# X, r/ t& Y0 a- H8 V+ y- V$ a, L
Conduit3 ?$ {' m+ _8 m R9 D3 L& ~9 c! ]
Flexible metal conduit
2 v2 i6 Q8 [- N' c Liquid-tight flexible conduit! m% l, A5 G1 H3 [3 k0 _
Rigid conduit$ t& c) q5 }0 L. b C( Q0 A
Rigid metal conduit. R! D" p, ]& }3 s8 X
Rigid nonmetallic conduit' s, l! u9 u/ W M
Rigid PVC conduit
1 Y7 ]5 W1 B3 r4 J$ S* b% V. e. tConnector
% [' i- |1 M# N8 v+ A Box connector
" c+ x& N1 \5 o% J$ y Wire connector! N Y7 t. U: z. l/ P1 |
Controller* Q& @5 e+ k* S* X& ]6 d
Disconnecting means% m4 \0 D+ A" `: H3 M* h
Dust-tight
2 |) a+ D1 v) ^( W% j X) VDwelling unit
. Y5 U6 l; L( F* [1 p* \1 W. XElectrical contractor, h6 O2 m9 m7 i4 \) l/ [; d. I
Electrical metallic tubing
$ t' I3 F. _8 Y4 t' vElectrical nonmetallic tubing0 b1 _# I! n, S) Q3 X: r' ~
Emergency lighting0 N2 o6 ~" L, m5 y
Explosion-proof2 T% l( M6 l( t* w8 W+ j) j
Extra-low-voltage power circuit t# ^* `: [# {; N; f
Feeder' D H# A$ D# g4 p: @- {
Flexible metal conduit
! n, A! t g2 l2 _4 q' LGround( g. r9 e; V, J8 H
Ground fault circuit interrupter5 {6 x h# D1 d% n
Grounded f# m5 A2 w+ d' \/ `6 A
Grounding
4 f) y' E% v: w. z5 ~/ B2 OGrounding conductor! R/ p H! v" C) y# p8 j3 B* [
Grounding electrode
$ n0 d5 g( Y9 k2 x1 r6 XGuarded
( B( Z+ C& H% a/ THoistway/ ^5 n; P9 m) ?3 c3 M
Identified# c9 L; R( D/ l7 Y
Lampholder
* E$ O9 U/ ^* J. B6 M1 SLow-voltage protection# A- r! z; w) b9 t
Low-voltage release; j+ w- k- J& N: r- d) x" ]! n
Neutral
4 ?0 J& Z) v: r8 D& p* b+ F( oNoncombustible construction
& L! H( k7 d2 q0 @Outlet3 C$ x, r5 z+ f) R1 P2 W) U
Outline lighting
% H" Z& u2 D/ j; ?( s- F& v) ^Over current device
% u( z. h- q7 s2 dOverload device
' [, e$ s/ y. k5 Q r% \! wPanel board
8 e* O$ w$ O0 G8 T! O3 \$ B; y6 DPanelboard, enclosed0 X* ?6 g; i4 S+ _$ ~+ k! r( q5 C( L. f
Permanently connected equipment
( T2 V" T/ v; @, _Permit) u0 u* N4 @* x" L; t! L7 P, m
Plenum
% c. S7 d6 Y0 \3 O8 MPortable as applied to electrical equipment
* O1 _0 x- H% yPortable ground fault circuit interrupter+ _/ ~; l1 j r) M2 K
Power supply cord- X$ i- u, R ^. y0 a# b+ V3 @7 [
Raceway- R+ _( @& k/ r/ ^4 w7 U; `- N& w& N
Receptacle) y% D' @0 M) O
Duplex receptacle; `+ q$ s( \/ H+ r8 i8 N# e v
Single receptacle* [& h7 o0 Q. g2 ]3 o% Z
Split receptacle
) n& A( F% @& ^6 z$ [6 ]Service, consumer‘s
: n% W" {+ f; G( {" R/ }( e z; XService, supply
D, o. k# J: Z- x0 P- oService box8 k0 o I1 l2 i3 Y
Service room
" }9 e2 w6 {! PSingle-dwelling
/ j7 v! g& ~9 uSlow-burning as applied to conductor insulation9 ?7 C$ B {$ E/ B4 y% b% x5 W( }4 c
Splitter- T! t( a4 w7 o
Starter$ P+ w. s$ y, l
Switch
' s1 p2 J9 V% D General-use switch+ o! }5 _, `8 o3 V% f( W
Indicating switch4 f+ u% |" U d' d0 G k
Isolating switch2 Y. s, Q3 t- @1 I# B5 D2 m5 J% M
Motor-circuit switch
) r6 B8 N- p2 S4 d; `# _% rSystem
' U/ V: H1 [5 D/ [$ J& s Communication system
: Q% Y0 j0 n; Q$ p. Y Community antenna distribution system(CATV)
) Y( a1 `7 s }* a6 q Grounding system9 Z. W& I7 z; f4 o. J) b
Underfloor raceway
3 H V0 Z M5 |* X" EVoltage:
- ?, d; _* i" r# X6 P- e ] Extra-low voltage
% Z t4 F5 I v: H3 h/ ] High voltage
( t+ a O% Z( _ Low voltage/ p2 ^7 q Z% F! p: J
Voltage of a circuit& p: Y' s) Y" w* t: b7 F
Voltage-to-ground1 _& Y1 {$ ?$ s& w2 s% g* L: V- p
Wireway0 H5 O! o% l. ^6 [* w; K
. y1 `7 y* k( h; w* r
Section 2 GENERAL RULES
" o0 C. q7 |7 mAdministrative
8 C# b" x. `6 F( Y2 A2-018 Reconnection9 P5 |% b' ^& {! j, T: I
2-030 Deviation or Postponement
7 Y; o' t. @' {' ^Technical General
& ~( R: y+ B5 q; Q: R2 ?" [2-106 Circuit Voltage-to-Ground – Dwelling units. h; q: d( p, K
2-114 Soldering Fluxes% g, B- Q8 u- ?0 A
2-116 AWG Sizes of conductors
# A7 y# c" a- C _1 s w2-124 Fire spread (see Appendices B and G)
8 d3 r, P' e- | a9 m: v* J2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
/ N" L. I& Q( }) j" MProtection of Persons and Property
) H# V3 Y/ A& [/ j2-202 Guarding of Bare Live Parts
& K# x& u# x$ a# k$ w9 H/ cMaintenance and Operation1 l* z9 @9 j2 r2 {. I/ R8 W! |
2-304 Disconnection- N# D$ R/ S& I
2-306 Maintenance of Live Equipment
2 \3 |( n) ]0 Z0 q1 ]N 2-306 Shock and flash protection (see Appendix B)
( `9 {' _; I# h- q. k2-308 Working Space About Electrical Equipment: Table-563 t p; }- \& a5 L: i' o- F
2-310 Entrance to, and Exit from, Working Space& e" \+ l* H2 _2 o( ~
2-320 Drainage$ P$ F! k9 [7 f# E9 Q4 Y& g8 \
2-322 Electrical Equipment near combustible Gas Meters and other Devices- x$ ]4 P& u4 G- M
Enclosures- v7 ?7 s' \ z4 p. l2 j
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
z; Q: k/ r) n3 H2-404 Marking of Motors: DP, WP, TE* e+ h" Z6 J, z' e' u2 A$ m
! f( i3 J# F, e; ZSection 4 Conductors, r- |0 d A/ ?9 r
4-000 Scope/ r6 g3 @; h# ^7 ^) ~
4-002 Size of Conductors: 14#, 12#
" k# t9 c8 p0 K2 k' b4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
3 k3 l# B/ J' j. U4-006 Insulated Conductors: Table 19
9 ~- Z4 I9 A! B- U4 N9 Q+ ]3 O4-010 Uses of Flexible Cord: Table 111 d: a7 k/ C! i; I, I" U
4-012 Sizes of Flexible Cord
0 t/ @: @1 g. X" o! w# H4-014 Ampacity of Flexible Cords: Table 12
$ d7 |0 _- Y8 `' Q4-018 Equipment Wire! M* f1 x* e- B0 I3 ^; [- g2 B
4-020 Insulation of Neutral Conductors2 p6 L1 ~+ i# l; L6 e% ?/ \
4-022 Size of Neutral conductor1 w/ j$ k1 v; D+ ?
4-024 Common Neutral Conductor
. l( \9 y W* W! y. N4 P2 B }4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
) z2 K. K* \; _! r9 j4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
0 A# L2 h8 V+ T5 o8 f, f# \* h4-032 Identification of Type MI Neutral Conductors: W4 p" B5 E+ B9 Z5 |0 v/ f# w; b! B( G
4-034 Use of Identified Conductors
* ]7 R4 r- b# x. d- C( u- B7 g4-036 Colour of Conductors: Phase A, B, C, …
9 ~1 z* Q3 r# {6 k- `, @
7 o+ U( d) ~' k, Z4 G% rSection 6 Services and Service Equipment( ~# }1 n* z, f- O/ b! a
General
Y& K5 a# r9 e6-102 Number of Supply Services Permitted) f+ |8 d2 n8 C' y. Q
6-104 Number of Consumer’s Services Permitted in or on a Building4 D) f- d) t$ P& ?8 D8 f
6-108 Supply Service from an Electric Railway System
0 a/ K0 f3 k: t' G/ C6-110 Three-wire Consumer’s Services
; z5 Q! [! x6 \& T! a! j; d6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors, V9 O: B, e# Q8 S. `
6-114 Methods of terminating conductors at consumer’s service
! v& j5 s, u0 a$ Q* L: V: b6-116 Consumer’s Service Head Location0 r4 V" b/ u& c5 B% q" L
Control and Protective Equipment$ f* ?& n# R; |' l3 y
6-200 Service Equipment
* h2 l/ N6 R- H3 ~& O, J6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)- \- E1 k8 ]! {) m& w9 _
6-208 Consumer’s Service Conductors Location- z0 q+ \+ I9 Y4 c
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches- t, J/ g2 k, ~
6-212 Wiring Space in Enclosures
% N' F' t6 d, E* P- }6-214 Marking of Service Boxes
4 ~2 G$ Z$ s" a! l. s# P. TWiring Methods
+ p2 `4 K% D8 Q x2 M6 z6-300 Underground Consumer’s Services
# D! L" Z! B7 x2 K4 j2 n, @/ o6-302 Overhead Consumer’s Service Conductors; ` B- f9 x! p- Z/ H9 }1 U6 r5 R
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
5 p" d( b; f8 N! d6-306 Consumer’s Service Raceways7 t0 I! q v" S& o3 W1 j, ]
6-308 Use of Bare Neutral in Consumer’s Service! J% F$ k' D/ j
6-310 Use of Joints in Consumer’s Service Neutral Conductors: B; Z3 `# L8 W) g1 x
6-312 Condensation in Consumer’s Service Raceway
$ q& y u0 g; O6 l6 X* r% MMetering Equipment
% m+ k: B0 k8 x$ \( I5 A2 T6-400 Metering Equipment
5 @6 [" {, W) L: P7 c0 B6-402 Method of Installing Meter Loops p6 F1 h: |3 |5 O) r6 P3 Z
6-404 Enclosures for Instrument Transformers' j' F2 H: M. r% ]$ L
6-408 Location of Meters
9 G9 ~! ?% e0 s- L* |7 q. V: }* F. D" p$ i% t( _3 q1 y6 y
Section 8 Circuit Loading and Demand Factors
! |6 Y9 D1 k5 G6 j% LGeneral
( b c/ b& n$ @1 G# F* O. j6 l! F4 K8-100 Current Calculations: w' o0 K3 B& L- q& B2 z
8-102 Voltage Drop ( see Appendix D)
- d5 ^: I& G( k) B8-104 Maximum Circuit Loading% q; L6 Z5 H" w/ Z0 N+ F& u
8-108 Number of Branch Circuit Positions
) I, N. A1 \: q. {4 X8-110 Determination of Areas$ u2 k6 i- m$ z; d# `4 h
Services and Feeders
; ~3 Y$ e5 ~1 i' l& y& K8-200 Single Dwellings (see Appendix B)
$ Q- r! e4 W0 w( O8-202 Apartment and Similar Buildings
: U2 n O5 A" a0 i4 g1 ^8-204 Schools
: E. h1 k. x" \9 i8-206 Hospitals0 j I. v p5 f% v- i' }
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
( a, k, e/ S3 Q9 J! E' O! X8-210 Other Types of Occupancy (Table 14)
* ?. \! s2 B1 t3 i5 m/ e; v8-212 Special Lighting Circuits+ Z/ E( T8 _; a- K( w( T
Branch Circuits
j" D/ r( K. P- ^* R# G! x$ u0 k8-300 Branch Circuits Supplying Electric Ranges# U$ O* w( W- I1 }( f e7 F. y
8-302 Connected Loads
* j, r7 W* J8 s1 K4 Z3 J7 z/ O( Y2 Z5 E4 `
Section 10 Grounding and Bonding
. y; Y) N1 x4 N4 {$ qScope and Object5 J! O6 J, X$ }# {, O* D; t! A
10-002 Object
0 M) Z' @' l8 Z) X9 wSystem and Circuit Grounding
n5 s7 y' ~! y10-102 Two-Wire Direct-Current Systems
4 D% V! R- J% ?7 K$ {10-104 Three-Wire Direct-Current Systems, e9 |3 p0 ~2 Z
10-106 Alternating-Current Systems1 P" ?* |" y. y) }& f1 D! u
10-110 Electric Crane Circuits% g/ w$ ~6 u1 O/ K% _
10-114 Circuits of Less Than 50 V
7 }8 J: y4 V4 Q# K5 b10-116 Instrument Transformer Circuits" g p8 Y5 e! V1 F2 ]: ]' \# \; L3 D
Grounding Connections for Systems and Circuits
/ D' v R9 T$ E. v8 o5 J. S% ?' v10-200 Current Over Grounding and Bonding Conductors
: D J4 t! ?6 _* N3 |10-204 Grounding Connections for Alternating-Current Systems& W0 d$ a$ Z5 M5 I
10-206 Grounding Connections for Isolated Systems
( i H# Y" x& Z4 n( T# Y- x; O3 A10-210 Conductor to be Grounded
/ ~% S/ S7 A' T: u+ hConductor Enclosure Bonding; F& Q+ g Q6 i$ t+ b& p
10-302 Other Conductor Enclosures
0 L: Q9 t! V( Z1 ?N 10-304
, E3 }# F9 ?4 }) E% w" j1 ^" tEquipment Bonding
5 B g, i" l$ I/ s5 ?10-400 Fixed Equipment, General- O. f1 m( ?5 ]% M# W6 a: \
10-402 Fixed Equipment, Specific (3), (4)* a1 }, f8 |# J h o+ o, c
10-404 In Nonmetallic Wiring Systems
% k. U( f4 s' Y10-406 Non-electrical Equipment' \% I/ c! ^* A! `& R
10-408 Portable Equipment (4)(b)3 ]7 R: Y0 i: [+ p6 ~% R
10-410 Instrument Transformer Cases
1 x0 B, T% r- g& x- i% u j10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less0 V4 d2 Z' q4 F; q1 p
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V4 [: h% _" x5 J; j, X
Methods of Grounding
9 I; Z' c, Q4 `10-500 Effective grounding (see Appendix B)' M" B- }2 p/ z: T
10-502 Common grounding conductors
, Y, }/ f% m/ ^( L( \1 e10-504 Common grounding electrodes7 g7 a1 g- R( q1 v4 V
Bonding Methods
7 k, I5 a) w0 x10-600 Clean Surfaces1 q( f1 I* X, v7 B2 `8 y. }
10-604 Bonding at Service Equipment
% H8 w- [) r2 q10-606 Means of Assuring Continuity at Service Equipment
; Q" `( s, e) r% _' w3 o10-610 Bonding at Other Than Service Equipment- ~! y( e: T! y" W! `! b" h
10-612 Loosely Jointed Metal Raceways9 q2 w1 L6 _4 z
10-614 Bonding Jumpers Table 411 k% g, x# H% |& ^4 n8 A+ i
Grounding Electrodes# U" c8 T7 S9 O, |9 C
10-700 Grounding Electrodes. L& v: A& |# e* C8 E& W6 T) E
10-702 Artificial Grounding Electrodes5 n# v' w' `: ?3 B
N 10-700 & 10-7022 ]8 {) }+ G$ F: Z- d3 [
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
$ i6 a2 ~) N' F2 S: j2 ?0 C! bN 10-702( P9 h# S f/ n. X. C3 _, r
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding. J* e, j+ _3 i* E
N 10-7022 V+ V* t$ U% U" }) X0 u9 O6 X
10-710 Use of Lightning Rods (Appendices B and G) j% Y3 _- ~9 }; C' t0 X
N 10-706
& G m N* Y7 a3 DGrounding and Bonding Conductors" R+ S# A% f9 O$ R
10-800 Continuity of Grounding and Bonding Conductors8 i$ h( l6 l3 d( Y+ L9 q
10-802 Material for System Grounding Conductors
/ e/ m' {1 r2 R/ I& s% ~10-804 Material for Bonding Conductors
! o8 l9 X9 z9 X i3 v4 u10-806 Installation of System Grounding Conductors
9 X7 z" h3 B( J3 h9 E10-808 Installation of Equipment Bonding Conductors1 J) b; X9 b) f$ D7 L
10-810 Grounding Conductor Size for DC Circuits' n0 B; |, o k' e. o: `
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
2 J+ G6 [% H2 A* h7 [10-814 Bonding Conductor Size (Appendix B)
) d! O( N# w% U# k1 L' I7 x! r10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
8 v6 X# g6 Q3 L; e# @% J10-818 Bonding Conductor for Outline Lighting! W' }; b" M& `0 \% |0 z( l
10-820 Bonding Conductor Size for Instrument Transformers
- u l8 f8 P) k# l# r2 V2 ^# eGrounding and Bonding Conductor Connections
- @* r. @1 Q) J7 B% T10-902 Grounding Conduct Connection to Water Pipe Electrodes
@, \7 ?/ q7 x; r4 M10-906 Bonding conductor connection to circuits and equipment
5 U- I) N a& i5 s) g2 H10-908 Grounding Conductor Connection to Electrodes
( y$ c0 I) {2 q" J1 B [6 w2 ^ OLightning Arresters. w2 O; `) k" c% N
10-1000 Lightning Arresters on Secondary Services – 750V or Less
' K% |$ \, T& h9 S* G$ P5 U3 ]7 }5 ^+ Q( M
Section 12 – Wiring Methods
7 k3 [$ B" n- @% `9 AScope
' m, ^0 A# @9 t0 T% Q+ p b12-000 Scope (Appendix B)5 J) |+ \) q" O7 b. x5 _
General Requirement
7 O: B4 w% Q& K( _2 B+ J12-010 Wiring in Ducts and Plenum Chambers/ t7 g8 q# M. B
12-012 Underground Installations (Appendix B)
9 [. G, w7 ^& ?$ B/ j! C5 ]/ x0 j12-016 Lightning Rod Conductors
' s6 t6 S0 A& x4 y' `& KConductors - General8 _! x- ~" J% g, f8 A) ]; Y
12-100 Types of Conductors (Appendix B) Table 19/ k% c) @; i: z) i% h$ U# I j
12-102 Thermoplastic-Insulated Conductors1 `! |9 I6 R. T9 f- `6 O
12-104 Flame Tested Coverings
/ Z+ R# }! U x3 T12-106 Multi- and Single- Conductor Cables
( v% f/ w% v2 w( ~12-108 Conductors in Parallel (Appendix B)
/ B# y% w; \0 V, W( |12-112 Conductor Joints and Splices. E a0 h: P% d0 b
12-114 Ends of insulated conductors
- n& \) `3 V6 q `' g12-116 Termination of Conductors (Appendix B)1 X; ?. h8 c: ?% z0 k5 B
12-118 Termination and Splicing of Aluminum Conductors9 t" _, N! F3 f, v4 P5 ^
12-120 Supporting of Conductors - Table 21
' t2 ~0 F# n# q/ G& oOpen Wiring8 i4 I/ K, O# w, n' n
12-204 Spacing of Conductors
t3 g$ Y/ _7 K1 c4 G. w9 U12-206 Conductor Supports
+ }0 ^9 y% X- H12-208 Conductors on Flat Surfaces
1 m/ V# g x" o7 k7 O6 D12-212 Protection from Mechanical Injury
+ f& @8 ~. R1 z6 _Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises* v/ s1 {+ @0 @$ ~: ]
12-308 Minimum Size of Overhead Conductors- T) o5 \' n/ A
12-318 Use of Neutral Supported Cables
' H7 e) H2 o( h5 A. wNonmetallic Sheathed Cable+ m& I3 D4 Q# c2 [
12-502 Maximum Voltage/ q% _8 P2 P9 F7 M5 A+ o
12-510 Running of cable between Boxes and Fittings (Appendix G)
( W. o" T" b+ @0 h* z, [& b12-514 Protection on joists and rafters
+ z+ Z! v2 L$ R2 f/ j4 v12-516 Protection for Cable in Concealed Installations (Appendix G)
! }8 c- C8 x# c/ W12-522 Where Outlet Boxes Are Not Required
! q- R3 B# @& ?9 b$ Z% X- h6 k* `, M6 bArmoured Cable/ O/ I, w5 g2 c& l0 H
12-602 Use (Appendix B)8 A. t% x" M( ~( F
12-604 Protection for Armoured Cables in Lanes! T; i4 R A7 c; g
12-606 Use of Thermoplastic Covered Armoured Cable
2 d& Q0 F/ p4 Q8 g12-608 Continuity of Armoured Cable
1 a* \" o, K" ^) }& L: U8 u12-610 Terminating Armoured Cable
3 X; H; ~( X$ M* g+ g* f12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems$ E* R1 \0 q+ r
12-614 Radii of Bends in Armoured Cables
0 k5 M% j+ `! ?. D3 y4 \5 `12-616 Concealed Armoured Cable Installation5 c6 G, |! ~+ k m5 x# s
12-618 Running of Cable between Boxes, Etc. n& s% L6 f2 t- K
Mineral-Insulated and Aluminum-Sheathed Cable
+ e) y" ] D- y& u( G* S8 R& D12-702 Use
* O% v* ~6 V% R9 Y( T7 M/ r12-704 Use When Embedded
5 B) D* j0 L' o# n W6 ^% k12-706 Method of Supporting
4 L L% \9 ]3 G m12-708 Direct Earth Burial
O1 |2 `2 V4 ?& g, O12-710 Mechanical Protection) Z- i- \6 q3 v z2 ?, _# z$ F- x$ P
12-712 Radii of Bends' Q5 A0 ^; w! s- w5 b- O
12-714 Termination of Mineral-Insulated Cable (Appendix B)
; e- a2 n! X. E12-716 Connection to Other Forms of Wiring3 s; z! ~1 y! y% [7 `
Flat Conductor Cable Type FCC
& I$ l) `- P2 a+ f( Q0 c% X! Y# ]12-804 Use Permitted* G F; l$ u7 \3 H2 r5 C
12-806 Use Prohibited
' ], x% L2 o: b$ c a12-818 Anchoring$ ?. t7 _) c+ [5 A" `! s p
12-820 Crossings7 v [% I( |( R, z
Raceways - General
' Z, y f9 L% R/ z' k( I% _- ?12-904 Conductors in Raceways' y: Y% Y( i# i! w* U! B- I+ Z. N
12-906 Protection of Conductors at Ends of Raceways
- A0 N( W( D1 E. Y* v4 ~12-908 Inserting Conductors in Raceways6 X% Z/ X6 N+ V4 ]0 U: V0 u
12-910 Joints or Splices Within Raceways
7 b. L) E2 h9 A. k12-912 Stranding of Conductors
0 Z6 k: Q/ q/ F4 @3 u12-914 Electrical Continuity of Raceways
( A+ ?" {( a1 m% q" Z3 d& U12-922 Radii of Bends in Raceways
) e7 X9 n8 D9 H' Q* f. MN 12-922 Radii of Bends in Raceways Table 7/ Q" f( G, J% @7 i) @
12-932 Protection for Raceways in Lanes
# x N0 Z9 [/ z7 M2 p' O" z7 c5 S12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
5 M- Z- u( E" U0 j4 ]) i1 t12-938 Capping of Unused Raceways; {) }$ f6 B$ _" E1 [# H u
12-940 Maximum Number of Bends in Raceways/ z# f+ t, ?1 s9 Y2 m
Rigid and Flexible Metal Conduit
5 `; G2 h5 I9 S( M. }9 }3 T: i3 p12-1002 Use
) M0 D" S6 V7 [12-1004 Minimum Size of Conduits
. ?9 m7 ]8 y2 b2 d( p7 z12-1006 Conduit Threads (Appendix B). Q! H8 L* Y- v0 `
12-1008 Thread Engagement
8 G. o* N% C* N$ I, _# L W* y12-1010 Maximum Spacing of Conduit Supports
# U6 a7 ^9 a% L4 V# [2 t5 h" x) T12-1012 Expansion and Contraction of Conduits (Appendix B)5 ~& ^) n( j* _+ o' O6 d$ x
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 4 x% e& c- M' v ~
Rigid PVC Conduit and Rigid HFT Conduit) ^9 O ^% g" H
12-1100 Use/ }1 ], T$ ]6 N) W8 v! N; C6 ]1 j! i
12-1102 Restrictions on Use
. D7 V1 f s9 U- l- \12-1104 Temperature Limitations (Appendix B)
# D1 W; T- Q9 N7 e12-1108 Field Bends (Appendix B), (2)" R. |- w, Q' B3 Y9 |
12-1110 Support of Luminaires& I1 A# q: M' {8 H$ B% r8 Z6 F
12-1112 Fittings, R) q8 j$ M0 K, s. V8 q/ `
12-1114 Maximum Spacing of Conduit Supports
! M! B5 r+ }1 u: N; \- x* X' L12-1116 Support of Equipment1 b$ C2 Y. I+ A ]8 }9 _
12-1118 Expansion Joints (Appendix B example)
! D: U8 h, d. S. `; c+ yRigid RTRC Conduit9 x7 c+ C7 v6 \2 ?/ Y [9 [
12-1210 Temperature Limitations
f' ?* g" s) D% }9 ~12-1214 Expansion Joints (Appendix B)1 D/ {6 h% ]: v
Liquid-Tight Flexible Conduit
0 S' e6 Y7 K9 ~, o12-1302 Use of Liquid-Tight Flexible Conduit1 F$ H' X4 I6 y
12-1304 Maximum Number of Conductors
" u) X7 J# X* Q; F; S- [12-1306 Provisions for Bonding
B# b6 J. v4 a2 q, @Electrical Metallic Tubing8 C! N* n3 G1 f
12-1402 Use) ~7 v- ]7 w5 S! d/ X M
12-1404 Supports# ~0 x7 X4 M8 T1 T6 z5 \
12-1406 Minimum Tubing Size
" G) C. p `3 Q12-1408 Maximum Number of Conductors N. c g" L9 S9 O) R3 f/ k
12-1410 Connections and Couplings
( J+ ~3 z; P8 M' c6 z* L5 O12-1412 Radii of Bends in Tubing6 }0 I. W U+ g* h
N Table 7
' U0 D% k2 A8 Y( PElectrical Nonmetallic Tubing4 r; m w. U% c% I+ W8 _: f4 N
12-1516 Provision for Bonding Continuity
' f- c7 Q* N q+ K4 g C- XN 12-1514 ~1 H [' o/ @$ E0 O
Surface Raceways
8 t3 `! y: N2 G' Q! s12-1602 Use of Surface Raceway (Appendix B)# Q: }/ j" V+ O* k E) V3 F: p
12-1604 Temperature Limitations
}) S m' u4 M, A( }. x12-1606 Conductors in Surface Raceways (Appendix B)
* ~+ P) l. o. @5 d3 \7 r5 k o' g12-1608 Maximum Voltage
* G8 K. M! w# z+ r12-1610 Joints and splices $ q% g2 c9 ?. e5 P3 J! z
Underfloor Raceways s# z8 v: I; k' r7 w2 H3 x
12-1712 Discontinued Outlets in Underfloor Raceways# O! w9 |; G! ?+ A" m: e) D7 D
Cellular Floors
. p. c1 B; C% ~: w12-1804 Maximum Conductor Size in Cellular Floor
, g% |/ p1 Q& z$ U# _12-1820 Cellular floor discontinued outlets
" r4 X! K }; \4 i0 U" iAuxiliary Gutters
4 p! p; }. L+ q9 o& A2 t12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces; _1 S! i1 Q1 T, y% w# t4 m
12-1902 Auxiliary Gutter Supports! {" i1 c. k* h" ~/ j! |
12-1904 Auxiliary Gutter Cross-Sectional Area8 N7 U& j# |+ ~4 x: l1 D
Busways and Splitters0 Y" c3 P7 B, E' \; t) u3 @. l6 q
12-2004 AC Circuits in Busways and Splitters, e0 B5 ?% |8 P( O* ]& Q
12-2006 Busway and Splitter Supports
/ E4 i4 J! \- m; a12-2008 Method of Installation of Busways0 p6 I+ j" I$ \0 l
12-2012 Reduction in Size of Busways, r. F/ {$ f% P7 o m
12-2014 Length of Busways Used as Branch Circuits) u0 U% l0 p! j) Y% n& d! i
12-2018 Taps in Splitters: [/ j* W' \7 S$ f) N
Wireways
/ `! e) V! h( R6 b12-2104 Conductors in Wireways
1 G" s0 l$ }: O0 f12-2106 Taps and Splices in Wireways
& `; z3 I% M: }/ G Cable Trays
2 N( l; T0 G# ^# V; r) e12-2200 Method of Installation (Appendix B)
4 i; K1 P e1 u1 @3 T. d! h2 m12-2204 Joints and Splices Within Cable Trays/ }+ v: D- W5 z% A, ?! e
12-2208 Provisions for Bonding
# S& d/ J- t% L4 `( y+ k12-2210 Ampacities of Conductors in Cable Trays: f- F% a }" h( U$ a
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
" }* R/ ^7 y0 P: B& O8 l$ Y8 H12-3000 Maximum Number of Outlets Per Circuit
. L$ y- E2 i6 Y5 J5 Z2 ]( rN 8-304) i4 b/ B9 G) b9 K) z5 L3 w
12-3002 Outlet Boxes (Appendix B)( B8 a$ j; j1 F! }7 @
N 12-3000) Z5 a) p: u0 R6 n; Q- K/ F9 `% g- q
12-3004 Outlet Box Covers
& K2 T5 w4 @3 I& l% fN 12-3002
+ I* }. ~. }6 j# Y4 @4 ^0 S$ ^12-3010 Boxes in Concrete Construction5 T9 t3 W: l* q" K6 x
N 12-3008
' o# L/ Z- Z8 S& ^$ K12-3012 Outlet Box Supports1 d* I- c: N' n# V+ P
N 12-3010
% Q* Y- M. [& J# [12-3016 Accessibility of Junction Boxes
# p! ]4 X9 M. [( X' R" _5 ?( g9 Z, eN 12-3014
: E3 ~7 f' |: r8 @$ D12-3018 Flush Boxes, cabinets, and Fittings& d. \" v" _7 W. w
N 12-3016/ r7 D) g% N+ O% i0 v3 |2 p
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
+ E; O9 A$ V- P: O4 NN 12-3022: D6 s- s3 c5 n1 }& C, Q
12-3036 Maximum Number of conductors in a Box - Table 23) r* j* m0 X8 p+ e$ X) V$ c
N 12-30348 T8 q- y# D* Y. K) X2 d* e% y I+ Z
12-3038 Pull Box or Junction box Sizes. `" C; {. p% O8 k2 b. W% b
N 12-3036- f' e# F# x E; x1 b
8 A8 ?; N# w; Y' D' T* @8 x; ^
Section 14 Protection and Control
: N$ g0 j( z, s& M; mGeneral Requirement
; C" c* N% V5 B' Q' H14-010 Protective and Control Devices Required! X6 W M( x: y) p ?2 k3 ~: y
14-016 Connection of Devices$ p- a* w( F3 b# V$ X
Protective Devices – General( D- {; L/ a7 Q, G8 q# W0 L( i
14-100 Overcurrent Devices Required
/ r0 W; I4 k2 U* O14-102 Ground Fault Protection (Appendix B)
; n5 ]6 K. b q8 P' {14-104 Rating of Overcurrent Devices (Appendix B) Table 13: t3 S9 m2 m4 ?+ Q- ]
14-112 Overcurrent Devices in Parallel
' l8 Y; ?+ u9 ^" I" V/ C+ GFuses
* A3 e( `9 k# q4 O z14-200 Time-Delay and Low-Melting Point Fuses
b. U2 g7 r* u# I4 I% U5 ~8 w7 K14-202 Use of Plug Fuses
* [% Z% a" u/ a( q6 Q1 z14-208 Rating of Fuses
8 N8 t, T1 B- ?14-212 Use of Fuses (Appendix B)1 X" c9 B. ~- {# ~) t9 |
Circuit Breakers" v7 h" c; v4 d
14-300 Circuit Breakers, General+ w4 k$ X; B3 S C. \
14-306 Tripping Elements for Circuit Breakers
, l% C; t) w N) `0 s8 v14-308 Battery Control Power for Circuit Breakers
8 J2 _. c: f# m: R6 r3 ?Control Devices - General
1 f, t+ y2 X+ v6 F' s14-402 Disconnecting Means Required for Fused Circuits
# x4 K1 Q7 D/ p, }Control Devices - Switches
' R$ h) y0 W3 @" @4 t% v4 x* u14-502 Mounting of knife Switches; i" Y$ m& x- b) B8 g1 d
14-504 Maximum Rating of Switches
5 o( ~ V/ I0 j6 Z! |; m14-508 Rating of General-Use AC/DC Switches (Appendix B)
, b# t0 C3 H i- L6 r% @14-512 Manually Operated General-Use 347V AC Switches (Appendix B)1 `+ n8 G1 ?) [6 T9 P
Solid State Devices6 Y2 V! m, V! g% z. G- [( ]( I
14-700 Restriction of Use
7 x) F( f! x4 [' P14-702 Disconnecting Means Required; o# U# D& ~( P+ O z
% o1 |( O, @" I( |4 t' o# vSection 16 Class 1 and Class 2 Circuits; X+ G) b. D+ U+ D- M
General$ n9 e' D/ t" n
16-004 Class 1 Extra-Low-Voltage Power Circuits
% E- d& @2 F0 S" m8 o$ O* g16-006 Class 2 Low-Energy Power Circuits
% `/ g% F) D; Q16-012 Circuits in Communication Cables6 M7 S% E3 k# q6 ~
Class 1 Circuits# V1 W" X: T# n: p
16-100 Limitation of Class 1 Circuits# [3 c$ U1 O5 b, v. C
16-104 Overcurrent Protection of Class 1 Circuits/ x: ~! h# s: M( S; I
16-106 Location of Overcurrent Devices in Class 1 Circuits
( ?$ j" y/ Y0 p1 b16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
& U9 h: X/ c9 _ p' j$ b16-110 Conductor Material and Sizes/ p& e& n0 ^# o6 ]/ O% X M! u
16-112 Insulated Conductors for Class 1 Wiring: [5 a4 V$ ?) ]% E7 K6 ^* d
Class 2 Circuits
3 ~7 z& O( H6 ~+ _0 J6 `16-200 Limitations of Class 2 Circuits (Appendix B)/ Q" z3 e/ x% L* J& l* A
16-204 Marking9 T6 j3 O- v5 Z2 S2 S2 \
16-206 Overcurrent Protection for Class 2 Circuits
" d, g* @. m# k+ i16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
S! N+ d" G% \ u6 O, P: T& u, vELC: extra-low-voltage cable4 D4 A7 k! H: D6 ^. x( V+ Z! E
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
6 b. X2 z) x( j
8 e+ J0 ^/ p% M! H, CSection 18 Hazardous Locations
( H h: g1 q$ nScope and Introduction
& ~6 Y1 M" s F( ~18-004 Classification, @; m" ]+ E* |
18-006 Division of Class I Locations (Appendices B and J)( U* Z2 [8 ` @3 O7 ^) ?8 G' b
18-008 Division of Class II Locations (Appendix B)
% p0 ~4 i' D- _' W X18-010 Division of Class III Locations (Appendix B)
0 ~" p4 M7 u+ uGeneral
. F% @/ _2 R9 s% I; }18-062 Metal-Covered Cable (Appendix B)% \, u6 V! m9 r0 b
Installations in Class 1, Zone 1 Location2 c5 v0 o2 a9 Q& w7 z& C
18-108 Sealing, Class I, Zone I (Appendix B)
( J, F. t: Y2 }
6 v) D9 [7 w; U5 [* [+ y0 dSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
; A$ E( }3 Z6 Q) N! ~Gasoline Dispensing and Service Stations
$ j% k1 Z8 J, a: A* n4 }" D" {% @3 j20-002 General
+ x3 H0 Q, j9 L9 T* D4 h8 r20-004 Hazardous Area (Appendix B)8 S8 S" F! ?2 W
Propane Dispensing, Container Filling, and Storage
A" O2 p* E6 b20-034 Hazardous Areas - Table 632 S9 R$ A2 q: ?4 X1 `/ w; S- R' `
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities* S9 Z0 _; z4 M2 a7 u# F6 ~: u
20-062 Hazardous Areas5 G& C3 q) E1 y. R* b+ ]
Commercial Garages – Repairs and Storage0 @* ~6 X$ \3 o0 ?
20-100 Scope1 X; k% \) V3 A; w: K
20-102 Hazardous Areas (1)
& I0 {% s; U3 L' c8 V' u% M& w( U. O' m, G6 P4 O
Section 24 Patient Care Areas
, S7 b5 D4 y1 { O- |/ G24-000 Scope (Appendix B)
9 Z L5 O1 ], |. l24-002 Special Terminology (Appendix B)
+ ~5 ` n8 H( @/ ]1 p Patient care area
' _9 ?; a; O% I" Q8 ]Patient Care Areas
+ I C0 B7 G) u( d. h/ m9 u- G24-106 Receptacles in Basic Care Areas (Appendix B)
. n6 g7 u4 D7 o: qIsolated Systems+ q( F7 e( | ~
24-204 Single-Phase Isolated Circuits (Appendix B)
( x/ o" X9 C& E4 o! {9 ~- c24-2065 V3 S8 ?( f* O- s o$ [. _
2 \7 d" o. Q6 [4 lSection 26 Installation of Electrical Equipment& w) @4 p' H5 _! c% f
General8 L( Y0 ^: W' S: ~* u
26-004 Equipment Over Combustible Surfaces (Appendix B)3 v6 w4 L# C" ?+ B7 Y% E/ b
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
9 z1 Y2 J& v" A6 O a& J. \. a Isolating Switches; V4 c# J/ x( e# C8 q$ Q. k
26-100 Location of Isolating Switches: m) y: d- j- q% U7 O5 H0 V3 h* g5 G
Capacitors8 A4 q5 c) b1 V* c8 G# g T
26-204 Guarding of Capacitors1 R4 M5 L: b% v0 L$ G
26-206 Grounding of Capacitors! S+ k' Y" T$ b* r
26-208 Conductor Size for Capacitors& J a4 {2 K8 K! G ?3 D
26-210 Overcurrent Protection (Appendix B)- Z$ n* @2 N/ Q5 g& V$ D; K
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
- S' z: z: {9 J! v' O26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits/ R5 X: Y) b" w8 C, k
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
% N* h& D7 P m) k, M26-218 Special Provisions for Motor Circuit Capacitors
& J. K4 b3 b+ L# y3 p6 }26-222 Drainage of Stored Charge of Capacitors
( z! z; o% h# o( V; b8 UTransformers- l% q( [3 {) Q+ }
26-240 Transformers, General
$ _, }3 h& {7 r) o26-242 Outdoor Transformer Installations
: g. E- o# o0 |7 r26-244 Transformers, Mounted on Roofs (Appendix B)2 s5 u0 I1 n6 D6 Z6 q1 ~; h" _* n+ d
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
+ L7 e* |, [- [) U( U+ [26-248 Dry-Core, Open-Ventilated Type Transformers
) Q1 B6 I% ]8 g! c) u26-250 Disconnecting Means for Transformers
: p3 ~4 `: d% ^2 e26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V0 E! L5 b) s! ~% {
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers, `7 {' W8 U& u; _! T F1 [
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
9 z' @) l% p1 t, _/ \26-258 Conductor Size for Transformers
, @. p2 [1 r/ q& a& T- w' y26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)" D9 } P+ ?0 u
26-262 Marking of Transformers, c: p% V1 K% L/ G( S3 T: ?
26-264 Auto-Transformers
- R+ a3 v; q0 @Fences2 N: s h2 h. B8 ]1 S) i
26-302 Clearance of Equipment - Table 33
# F( l, J2 V6 |6 j) P0 BPanelboards$ I% ^( t Q- j0 O' K, x: s7 Q! j
26-400 Panelboards in Dwelling Units (Appendix B)
. v* v: }4 A/ U F26-402 Location of Panelboards (Appendix G)% f+ N7 W5 ` l% a0 ^+ [ {
Lightning Arresters5 F; D6 {3 @; k
26-508 Connection of Lightning Arresters# [5 D T; Z9 [5 U# }
Storage Batteries$ p- @6 P; X, ]
26-542 Special Terminology, l! ?0 g) s k' V1 s/ J
26-550 Battery Installation6 g5 Z/ s3 R( \6 Z4 g' u; I
26-552 Wiring to Batteries! j4 _/ [0 [9 ]: \* q
Arc Lamps" t& C1 d! ]- r
26-600 Location of Arc Lamps
5 k% D/ p2 [+ C26-602 Conductors to Arc Lamps/ m9 R* q) n$ s' [+ E
26-608 Globes and Spark Arresters
/ ]1 z; l+ J, Y% vReceptacles9 p3 R9 E" y8 a3 U) y
26-700 General (Appendix B)& O' e) T8 u5 g: S8 _* n
26-702 Receptacles Exposed to the Weather
; T; ]4 X# r: r( H( K, QReceptacles in Residential Occupancies; e6 M& v5 t8 g" Z5 {# \
26-710 General (Appendices B and G)
9 C$ g" [" ], r; D# M# b26-712 Receptacles in Dwelling Units (Appendices B and G)4 q+ l# }6 @9 o- P8 I# |
26-714 Receptacles in Single Dwellings (Appendices B and G)" h! Q* v1 w8 z9 @# _7 d3 p s
Branch Circuits in Residential Occupancies
. _% H6 F9 s+ j; n9 G26-720 General- v; m6 B2 Q9 W* H. L% }
26-722 Branch Circuits in Dwelling Units0 ^- w1 ~5 T9 v& H, d
26-724 Branch Circuits in Single Dwellings
3 Q' X5 a4 [; b. \7 c26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
5 o; F' j1 I( o: ^N 26-720 (F)& n F% x2 D4 Y. y/ t
Electric Heating and Cooking Appliances
: t8 D! u. c# C( C2 \$ j26-744 Supply connections for Appliances
$ t! C9 O4 V: ]3 N26-750 Installation of Storage-Tank Water Heaters
3 h. p5 T) E* Y H26-752 Infrared Drying Lamps
% p x! r, Q' a0 m' x
8 b* m: ~4 e% C/ Q1 t/ {5 ISection 28 Motors and Generators
( E# n1 ?7 i3 R& P5 G+ AGeneral
2 ~/ f" z1 d/ H( [- |28-010 Special Terminology
& o/ o3 D1 b/ ^# V8 B* k3 ?/ e. LHermetic refrigerant motor compressor
* d3 ?" Y! @" F1 P7 a% J& \/ tLocked rotor current rating
0 T+ i' l# ]: r8 lService Factor
" @. M' z2 n! U9 k7 vTable 44; Table 45; Table-D2
7 q% [8 ]' \& f- h, EWiring Methods and Conductors8 k, E$ ^# R+ L3 W8 v- s) i& D
28-102 Portable Motors$ p5 E7 Y- m# k! o
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
D$ O ~& Y. N28-106 Conductors, Individual Motors9 k% W' w3 i' v K; E
28-108 Conductors, Two or More Motors
n+ X- }4 G; d2 C28-110 Feeder Conductors
/ F% l6 W1 ~# p' I4 h8 k- W) i28-112 Secondary Conductors
" V4 ?$ R- i4 M6 [Overcurrent Protection! t3 \( n8 Y+ Q0 x3 i0 c
28-200 Branch Circuit Overcurrent Protection% I( e3 o3 q8 b8 I. X
28-204 Feeder Overcurrent Protection; c0 J& j' G* v* ~0 s, V
28-206 Grouping of Motors on a Single Branch Circuit8 W& }$ I6 _/ Q6 ?; t1 n4 n
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
" a+ z- X! C: e( ~( S0 G+ [Overload and Overheating Protection
, J3 K$ S6 `# p) Q3 \0 ?28-302 Types of Overload Protection" M& L& X) I O% C
28-304 Number and Location of Overload Devices (Appendix B) Table 254 |! ~5 g% P; {/ W( P& ~
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
8 g# ^! A3 z0 m% u+ p5 h1 P; P2 V& l28-308 Overload Protection Not Required
0 z* \" _+ d& D0 d, j9 CUndervoltage Protection
* R* [* o# O, a1 T# b28-400 Undervoltage Protection Required for Motors (Appendix B)
. ]' S0 S) L# H fControl; [# C8 \' m- T7 F
28-500 Control Required
" B# H7 z4 A6 e- ~( c: U28-502 Control Location
& f$ N, ?( k# R6 P28-504 Starters Having Different Starting and Running Position) W) N% p, ]( M$ o
28-506 Grounded Control Circuit
+ T* }7 O2 _- x: L8 rDisconnecting Means. D& u2 j0 J- m8 @; U2 M+ _: o
28-600 Disconnecting Means Required* P' n" _" }8 k* X& n
28-602 Types and Ratings of disconnecting Means (Appendix B)
; r. r. z" D& ]7 G' d! H, d28-604 Location of Disconnecting Means
3 L! H! S3 R0 B) v& z' } Hermetic Refrigerant Motor-Compressors
; s4 ]* i; ?) X& V- R! Z; _28-706 Conductor Ampacity
- [/ v3 M! @8 |; l28-708 Overcurrent Protection
2 V6 M' M9 ^' }% B" A28-714 Disconnecting Means- C+ r' J* p) v* B+ |+ Q. D! i
Protection and Control of Generators8 V* h, y# @( q7 v: r; U5 r
28-900 Disconnecting Means Required for Generators, i) l4 N. L% a7 f ~
28-902 Protection of Constant-Voltage Generators/ h5 d, p# T) ]0 J
28-904 Generator Not Driven by Electricity0 p8 N+ U' x+ d
28-906 Balancer sets
, ^9 d8 Y' s6 x5 ^7 ?# w) a1 z& c28-908 Three-Wire Direct-Current Generators' @' X) a, v* W
4 m4 b' m% k+ R% Z
Section 30 Installation of Lighting Equipment2 k- t+ l9 K' u, _# i) C$ P
30-002 Special Terminology (Appendix B)2 L" o* R6 q3 X" S
General
% K6 v( b& t" T% ^ o7 j/ Z, R30-102 Voltage
: \: T" F. Q+ t" A& p30-104 Protection (Appendix B)
+ W1 }6 A, z% g. c30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
# ^+ |7 S# j8 F& s6 V30-108 Polarization of Luminaires( U- M' i+ u; ~1 V- u+ m& ]. X- \
30-110 Bonding of Lighting Equipment
+ b9 H! ?1 ]7 ~% W! F) @! K3 ~Location of Lighting Equipment+ D# d9 W( C j5 J* i+ w
30-200 Near or Over Combustible Material
! Q& z/ e' M" n, S, Z+ ?" r- A30-202 In Show Windows
$ P0 V }! Z/ l, ^4 e k% A* f30-204 In Clothes Closets" J6 c: O o9 R% \( W3 `
Installation of Lighting Equipment c; y9 `- Y, l
30-302 Support" E: w! z( y# f& _5 `
30-304 Outlet Boxes to be Covered7 @ \- Q( O' ^) Y$ o7 m
30-308 Circuit Connections( Y9 u7 a. G' k3 a) P. I3 ]! B; l2 U
30-310 Luminaire as a Raceway
7 i7 T6 x. h8 \7 g30-314 Minimum Height of Low Luminaires, J( E7 ]5 @. _4 ~
30-316 Luminaires Exposed to Flying Objects+ F( ]. y3 M5 |4 r2 f
30-320 Luminaires in Damp or Wet Locations
9 ^8 L/ B7 K( T1 M- r a* YN 30-3189 p i& h9 w% A
Wiring of Lighting Equipment3 W+ Z3 m/ d9 h$ e
30-400 Wiring of Luminaires, u# {' @3 _3 i
30-402 Colour Coding
" q1 K% f" V( ^- N: h9 q F30-404 Conductor Insulation
4 W; A. v- Q5 j30-406 Conductors on Movable Parts0 C% a0 A$ S4 `$ ~( J
30-408 Wiring of Ceiling Outlet Boxes
1 a8 z( r: Y, ~0 Z/ M/ L30-410 Wiring of Show Window Luminaires
% k6 t9 U' P* t1 Z1 X30-412 Tap Connection Conductors
# k; k/ F8 p# h. d! ULuminaires in buildings of Residential Occupancy3 S; V/ m0 k6 i
30-500 Lighting Equipment at Entrances (Appendix G)
, s6 o1 F9 N! x/ ]( p30-502 Luminaires in Dwelling Units (Appendix G)
1 }$ }5 A% t5 f# G: I30-504 Stairways (Appendix G)8 ^( E$ [* w# d+ d- L. {! S
30-506 Basements (Appendix G): K. J' ^9 c6 A. g
30-508 Storage Rooms (Appendix G)' I6 ~0 o, v2 c( W4 ]- U
30-510 Garages and Carports (Appendix G)
/ Y3 Q4 u% r# J, j+ X3 zLampholders# {! @9 `7 [8 j; l# f, v
30-600 Lampholder rating with Incandescent Lamps
6 U+ H! I' z1 m: @% IN CANCEL$ r) L$ _2 h b0 y! E
30-602 Connections to Lampholders$ G8 O+ G$ u0 _, v# s
N 30-600' G1 T& G5 E- s- p
30-604 Switched Lampholders Used on Unidentified Circuits: T/ L9 Y8 x& Q7 V) P
N 30-602
9 ~0 n" ?; s0 c! b30-606 Switched Lampholders with Pull-Type Mechanisms6 @6 P3 I! }: R! B. b
N 30-604$ u& ^% O' |% |, _( S; i
30-610 Pendant Lampholders$ N. r% m4 r, g' k
N 30-608
5 l6 @8 S" U) O. LElectric-Discharge Lighting Systems Operating at 1000V or Less5 m+ W) w+ g: _6 _$ p
30-710 Control (Appendix B); r, V# q6 W" I' ?& V0 U( t! f
30-712 Branch Circuit Capacity
$ o- X9 ]+ h! b1 y% |) e/ O- GElectric-Discharge Lighting Systems Operating at More Than 1000V8 e* q9 `. z, k: N! g2 e6 G, }
30-802 Voltages, Dwelling Units
# S' a6 `* k% G; w$ b$ P+ I' |30-804 control (Appendix B)
- P$ d' l8 H) }7 gRecessed Luminaires (Appendix G)5 G6 Z! h3 G+ I
30-902 Spacings for Non-IC Type Luminaires3 H+ z3 q% z2 E! h; K
30-910 Wiring of Recessed Luminaires (Appendix B)' a- D0 \9 c+ E
Exposed Wiring for Permanent Outdoor Lighting
0 m- {# A# V$ q1 e C30-1120 Branch Circuit Loading and Protection0 C( s8 J1 N! F* J
Extra-Low-Voltage Lighting Systems( q' r6 i) z+ Y& N0 C8 x3 S
30-1202 Sources of Supply) l9 l2 ]: t& q
, Z U2 a4 b/ A: TSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
( N* M9 O( u- O" S# {) u( HFire Alarm Systems4 ]$ W2 K! V# \# x7 l9 t
32-100 Conductors; S& n- Q1 s/ C5 Y4 _1 R+ y0 x6 h
32-102 Wiring Method
9 ^6 q/ O& j9 H& C; }32-104 Equipment Bonding
6 U; v6 f8 |% t6 {32-106 Electrical Supervision7 J1 c" Q6 B' X: r7 P
32-108 Current Supply8 q( H/ d% G2 T' J3 p
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
! P/ R1 D! U+ k# o% X4 c2 I9 Y' W2 XFire Pumps
% T3 [' {& ^ g( ^6 C32-208 Overcurrent Protection (Appendix B)
( n/ [$ t" D, H; _: i' `$ |+ FN 32-206' y3 m4 _/ j0 n4 j2 s" F) ]
32-210 Overload and Overheating Protection (Appendix B)6 o! V+ Y1 y6 J8 ?( v
32-212 Ground Fault Circuit Interrupter (Appendix B)0 k" Z3 t. ?0 ]
! p+ W4 r* n" o: e* [1 R- o
Section 36 High-Voltage Installations
|7 \+ g3 v9 L. H, H3 cGeneral* v/ p9 a8 X6 D3 l
36-000 Scope (Appendix B)3 E8 v; @' S6 q: g3 i) C
36-006 Warning Notices
/ L6 I2 q1 M; O/ K% @) N( [Wiring Methods8 _7 [) N- v. \$ P" K
36-102 Radii of Bends6 V' h/ R4 \8 H# X4 ^
36-104 Shielding of thermoset insulated conductors! u [# d2 N( B/ Z
36-108 Spacing of Exposed Conductors (1) table 30, table 31& _2 @: j4 ?3 O' ^2 a7 h' ]
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
0 J j- c9 `8 u( yControl and Protective Equipment
# p* ]" G" \& T4 B1 S9 `) N4 S36-214 Disconnecting Means
$ n& j9 k" N) A Grounding and Bonding
3 E3 b9 F( Z2 C* I/ E$ Q! [36-300 Material and minimum size of grounding conductor and ground grid conductor and connections" ]4 x. A5 D: n6 i# |
36-302 Station Ground Electrode (Appendix B)3 V) n$ |' Y& C$ f g
36-304 Station Ground Resistance (Appendix B)
$ |- S. f5 \/ ]6 [36-308 Connections to the Station Ground Electrode (Appendix B)
. l; O- B2 c- A( K& w1 O1 ~36-310 Gang-Operated Switch Handle Grounds
. f: e. N6 e4 r4 C36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
+ X3 s0 e& F* t! @$ G# l& `* }' n7 q$ s- I; q) X+ Y4 ?) `' [
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment9 N1 L6 `: g( D' ]2 E, \' w$ f
38-002 Special Terminology (Appendix B)1 d0 Z2 M, Y3 ?% [
38-003 Voltage Limitations (Appendix B)
% H, L+ |+ Z/ C3 f7 U3 R6 n38-004 Live Parts Enclosed
& y5 k. L, C( w" p [" ^! _38-005 Working Clearances
3 \# g7 P" D! M* _* S1 ~38-011 Insulation and Types of Conductors* _' ^! H: `! o/ p/ J0 c* O! w
38-012 Minimum Size of Conductors ~. Y5 f5 G- Z. C* U, o
F8 ?2 y. z7 v* Z; T. d
Section 40 Electric Cranes and Hoists. R" z! ]5 ]$ K. P9 t, J
40-008 Disconnecting Means7 A* P4 F% n# N0 @7 F9 o
40-010 Main Contact Conductors
2 Q. t9 }8 ^/ p" Z2 p+ F4 A. T1 B
Section 42 Electric Welders& y) s$ G+ c- H* h- R$ g8 b
Transformer Arc Welders
+ }4 F9 j2 w- P3 e& u, {. h5 l42-006 Supply Conductors
2 `9 ?( i. W) `# c: b6 G
' w' _$ w! A& _6 DSection 44: Theatre Installations+ f& @9 P( A7 K' @# K
General5 D' ? _- e; o, Q, M1 v) i; l% _
44-104 Number of Conductors in Raceways
9 A. q. w: Q/ p% G% V/ g2 L1 ~44-106 Aisle Lights in Moving Picture Theatres
2 h: Y7 m: R% }" [Fixed Stage Switchboards1 Q) c6 W- s; Q( p! G. C6 g
44-210 Overcurrent Protection
1 M7 q$ K; Q. r& `( x1 N8 j: R5 }Fixed Stage Equipment$ R5 J7 s8 K0 g2 r0 \
44-324 Receptacles in Gallery Pockets
: m4 X6 S$ n! d. M" k' p, O7 R9 Y3 e44-326 Receptacles and Plugs$ J% C; m. t% H+ H
, Z/ Q2 r7 D+ V# Q9 ISection 46 Emergency Systems, Unit Equipment, and Exit Signs
2 O; H/ M5 i0 {/ IGeneral
" T0 B/ m; J9 ~46-102 Instructions! ]. V; `& _4 [0 w) @
46-108 Method of Wiring (Appendices B and G) ?3 u W7 M l" W. R' V
Emergency Systems
( M; f+ e1 L2 q" _46-202 Supply (Appendix G)& M$ \2 r( x1 Z9 @
46-204 Control* `! S w6 _8 `' v6 u; ~4 s
46-206 Overcurrent Protection
8 H/ l7 N) H% f% a' K' E46-210 Remote Lamps
( B4 E4 V" f; Q4 AUnit Equipment
& E0 g$ L% V* j0 m9 X4 }46-304 Supply Connections' q5 f1 e' \% V. D, R8 I! Q
46-306 Remote Lamps (Appendix B)
! u' ~% Q4 R- aExit Signs
" B. |, X+ o5 v% d/ J( o! A8 \* A46-400 Exit Signs (Appendix B and G)
" N; u1 ~5 k1 T* r# A5 V) ^& I- X: i3 I2 A6 l7 v. C' g9 k' P1 o: i
Section 54 Community Antenna Distribution and Radio and Television Installations$ n% M: w! x9 S- N
54-000 Scope0 V& Q2 W) b% u' c; Y
54-004 Community Antenna Distribution (Appendix B)1 C9 c# w6 G5 q. G& f0 Z2 E
Community Antenna distribution0 u; G( e8 s3 _. u* Q
54-100 Conductors
5 }- K2 i4 L! ?54-102 Voltage and Current Limitations (Appendix B)( O, v6 q; v$ ]2 K3 M- y
Protection% j" r$ a" g. c4 ^* Z8 X
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B); r* T& k; q- q4 s9 U" O0 [: u
Grounding
& m- v9 o" i& I$ L- @54-300 Grounding Conductor
$ \5 R% K6 z* p wConductors Within Buildings3 c+ U+ b8 B$ t, D# [! S
54-400 Separation from Other Conductors
2 D9 ?$ b/ E `% y# ^9 e$ S9 k: nEquipment! M& u' p3 s( D0 g4 U. n" f% F
54-500 Community Antenna Distribution Amplifiers and Other Power Sources+ R6 C/ t9 A& r* }3 T# o0 j
54-502 Exposed Equipment and Terminations
4 J4 ~& K* C2 K: l! X9 X: n" |* d; v+ c7 U4 q& {
Section 56 Optical Fiber Cables
: K- K8 E! {( g' YGeneral
& m. J% x( K+ B& z56-100 Special Terminology5 E( G% J, G+ ~( _7 r
56-102 Types( b+ g, u+ G: D& r
Installation Methods
% Z! P4 r3 P7 c) P F56-200 Nonconductive Optical Fiber Cables (Appendix B)
7 \+ ]# x( @& p2 [( L, ~5 K56-202 Conductive Optical Fiber Cables (Appendix B)
2 n4 `, V8 @, I2 j4 |! c56-204 Hybrid Cables* p8 g& W. d" _# |1 Q8 M+ y, K
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)( d; P$ } u% \- L4 g/ l
; e& J8 V. m9 X
Section 60 Electrical Communication Systems$ V# L# l: X% j! {/ b* K. u
General
0 P# h. e( s' v60-100 Special Terminology
3 C# m2 _ X8 R% K+ v5 C2 ZProtection9 T. o3 X8 U, L6 v' [5 T1 ?! s
60-202 Primary Protector Requirements9 D+ O7 ~; b) f& G; z# x6 l! m- w8 M
Inside Conductors
/ D5 h7 j6 j. w60-308 Separation from Other Conductors
$ f5 [4 O% y3 N1 R" i4 z* [2 }Equipment: B, ?2 i- l3 M. ?; f8 W
60-404 Exposed Equipment and Terminations
; p1 ] Y: \0 `' `# j0 ~; Q1 nUnderground Circuits
" |# e0 f) E+ J3 Y. K60-600 Direct Buried Systems
# v8 u8 L7 h, C2 k. N/ K' `$ f% S+ g# S" _/ @, D! x
Section 62 Fixed Electric Space and Surface Heating Systems$ `! q* F6 h3 b; s4 @ G" l
General
3 \1 ?/ C- W4 z# ?8 i62-102 Special Terminology* E4 Y( R( d8 }4 n# l! T+ f5 D8 C ^
62-108 Branch Circuits
8 C" L. V0 ~# U R, ]62-110 Installation of Fixtures% A9 v1 L) l G+ b
62-114 Overcurrent Protection and Grouping (Appendix B) (5)- b. ~# Y- k4 _% f7 ^; r5 @: @
62-116 Demand Factors for Service Conductors and Feeders (2). m# w( L1 u C6 N# q8 |
62-118 Temperature Control Devices
0 |! ?% p/ j: t: h+ h, N0 T9 {62-122 Installation of Series Heating Cable Sets (4)(7)7 R2 u0 W% d8 c
Electric Space Heating Systems
: h0 E [3 M9 ~" K62-202 Temperature Control
( x3 [+ y* @7 r+ D; N- s1 u# k0 W62-206 Proximity of Other Wiring (Appendix B)
6 s+ l' I3 w+ F9 Q( f% _, N1 a62-214 Installation of Heating Panels and Heating Panel Sets! |. V1 G* j9 [) t2 t C5 Z& ?
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings/ A' C! ?6 }; o/ F8 d
62-226 Installation of Under-Floor Covering Heating Panel Sets
Y$ x+ s6 E$ F* ` n$ {Electric Surface Heating Systems
/ I* }; |% s+ n- X62-306 Heating Cables and Heating Panels Installed Below the Heated Surface/ X& C7 w# o0 L2 u Y, e) M+ m
! ^, t- x/ l6 G. x) sSection 68 Pools, Tubs, and Spas
/ o+ k5 _8 z& n6 Z/ U; F) l. H7 vGeneral/ a) I* G5 X% _' h
68-050 Special Terminology
6 T8 ?' A5 d, M5 @68-056 Underground Wiring - Table 61
5 m6 ~# q5 k* i }+ @68-058 Bonding to Ground (Appendix B)
$ K8 j; O- O2 U) p68-060 Junction and Deck Boxes (Appendix B)
9 I r9 q' X4 w. ]* d68-064 Receptacles# D. X. b. s: a+ \/ t6 u% D
68-066 Luminaires and Lighting Equipment& y2 x2 ^/ O& B" V n" N
68-068 Ground Fault Circuit Interrupters (Appendix B)% _6 Q3 M1 L7 Z- e" v2 Y
8 @2 f2 L, v" i2 x
Section 70 — Electrical requirements for factory-built relocatable structures and + Z) q( `# \# F/ n) _- n+ r
non-relocatable structures x( l1 G# ~. {/ g$ T8 U: D
70-130 Tests (see Appendix B)
- S5 J+ T9 k1 l6 U- M
. G% Y/ q1 Y4 K" V0 pSection 76 Temporary Wiring (Appendix G)( h6 x5 J; C! S* z. X
76-004 Grounding
; [; E* {/ \5 V/ k4 `" K* F M76-008 Service Entrance Equipment! w6 r; K9 C: {) V2 u4 P
N 76-006- ?% S% q6 A J* R' g$ a
76-014 Branch Circuits
" ~4 x" i+ F# S2 E( ^# [- J/ XN 76-012
, {0 N2 M, i* R3 Z% T) F3 E% U1 B$ R
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours- B n+ n/ f I, ]' w0 B6 A2 A
Marinas and Yacht Clubs
- q$ H: D7 V+ W8 y0 _& i78-052 Receptacles
2 v, \$ A1 }# h) n78-056 Feeders and Services
6 T" `/ l1 x6 H3 ?Marine Wharves, Structures, and Fishing Harbours
, A5 o& T6 ~9 s& p( x78-106 Grounding and Bonding O! m5 R$ o& Y0 u' I8 H4 f
Tables
" v' m3 G2 c) @" K( A* {' G! E0 H9 M1,2,3,4,5A,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
$ @8 t# h) s k5 v5 K, @6 ]) d7 M* F+ ?" X" P+ w! Q
Diagrams: 1, 2, 7
- a* I7 r( U' u3 b6 [# D4 c/ j; M- a& T
Appendix B/ }1 r( q% C8 e* J1 X+ v. c
P352: Ground fault circuit interrupter- 6mA
9 a' y9 [* E2 ^ o3 rP354: 2-126 FT1, FT49 k2 X) ^' M" l" `% t2 Y, s
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
, I' K2 r# r7 h( g* U, B: }' F6 VP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
5 M% _- f. c) HP370: 12-1012, 1118, 1214 Example:
( ^5 ]+ {+ j# @8 [( GP371: 12-11085 Q; l* F& g% I& L# F# g
P381: 18-108(1)(b), 18-158(1)(b), a" _* C& g+ O8 J6 o* [
P386: 24-206" f: O& s4 o% y) p7 H! ?' U) w
P389: 26-256
, r$ ^# T' s" H; r. _ H/ P7 _3 BP391-P393: Section 28, Example to determine Motor Conductors and Protection
1 u% R+ k; o4 X7 x* w4 T% o( f ? C
0 _ D, ]5 j5 S# VAppendix D# u" o8 M1 K) e: r' X" N, ]' R
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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