1996 National Electrical Code Index
 

The following index is an extract from the "Electrician's Formula and NEC Reference Book


Air Conditioning and Refrigeration - 440

440-32

Conductor Size

440-11/14

Disconnect, General (Part B)

440-14

Disconnect, In Sight and Readily Accessible

440-61/64

Room Air Conditioners (Part G)

440-21

Short-Circuit Protection, See 440-22

Appliances - 422

422-4

Conductor Sizing

422-18

Ceiling Fans - Support

422-17(a)

Cooking Units

422-8

Cords, See 422-22 for Disconnect

422-17

Counter Mounted Cooking Units

422-21 and 422-22

Disconnect (Part D)

422-25

Disconnect, Unit Switch

422-8(d)(2)

Dishwasher

422-8(d)

Disposal

422-5

Overcurrent Protection, See 422-28

422-8(d)(2)

Trash Compactor

422-17

Wall Mounted Ovens

422-14

Water Heaters

Armored Cable (Type AC) - 333

333-20 Exc

Ampacity, When In Thermal Insulation

333-12

Attics or Roof Spaces

333-8

Bending Radius

333-11

Exposed Work

333-7 Exc - 3

Fixture Whip, Support Not Required

333-10

Framing Members

333-7

Support

333-3

Uses, See 333-4

Bonding - 250

250-92(b)

Both Ends of Raceway, Also 250-71(a)(3)

501-16(a)

Class I Hazardous Locations

503-16(a)

Class II Hazardous Locations

502-16(a)

Class III Hazardous Locations

250-75

Enclosures, Not Service

250-77

Expansion Joints

553-11

Floating Buildings, Noncurrent Carrying Metal

680-53

Fountains

250-78

Hazardous (Classified) Locations Bonding

250-80

Interior Metal Piping System

250-79(f)

Jumper, Outside of Raceway

250-79

Jumper Requirements

250-72(d)

Jumper, Service

250-79(e)

Jumper Size, Load Side, Use Table 250-95

250-79(d)

Jumper Size, Service, See 250-79(d)

250-72(e)

Locknuts, Service

250-53(b)

Main Bonding Jumper, See 250-79(d)

250-80(b) FPN

Metal Air Ducts

250-72

Methods, Service

550-11(c)

Mobile Home, Noncurrent Carrying Metal Parts

250-23(b)

Neutral to Service Equipment

250-71(b)

Other Systems, Phone, CATV, etc-

680-22

Pools

250-76

Raceways, Over 250 Volts To Ground

250-74

Receptacle

250-26(a)

Separately Derived System

680-41(d)

Spas and Hot Tubs Indoors

250-81(a)

Water Meter, See 250-112

250-70

When Required, General

250-71

When Required, Service Equipment

Boxes Outlet - 370

370-29

Accessible

370-42

Bushings, See 373-6(c)

300-6

Corrosion Protection, See 370-40(a)

370-25

Covers and Plates, See 370-41

370-24

Depth of Outlet Boxes

370-28(a)(2) Exc.

Depth of Pull and Junction Boxes

370-22

Exposed Surface Extensions

370-27(c)

Fan Box Design

370-16

Fill

370-27(a)

Fixture Box Design

370-27(b)

Floor Box Design

370-21

Gaps or Spaces Around Boxes

370-4

Grounding

370-28

Junction Box

370-3

Nonmetallic Boxes

370-17

Protect Conductors Against Abrasion

370-2

Round Boxes

300-5(e)

Splices Without a Box, Underground

370-23

Support, See 370-43 Nonmetallic Box

370-40(b)

Thickness of Metal

370-18

Unused Openings, See 110-12(a) and 373-4

370-16(a) Table

Volume In Cubic Inches, See 370-16(b)

370-20

Walls and Ceilings

370-15

Wet, Damp or Hazardous (Classified) Locations

300-15

When Required

Branch Circuits - 210

440-32

Air Conditioning

440-32

Refrigeration Equipment

364-8

Busways

210-3

Classification Rating

210-5

Color Code Not Required, Identification Required

645-5(a)

Computers/Data Processing Equipment

210-19(b)

Conductor Ampacity

210-22(c)

Continuous Load

210-23(a)

Cord and Plug Equipment, 80% Maximum Load

424-3(b)

Electric Space Heating

700-18

Emergency Power

210-23(a)

Fastened in Place Equipment, 50% Maximum Load

328-6

Flat Conductor Cable

210-22(b)

Inductive Loads

210-21(a)

Lampholders

210-70(a)

Lighting Outlets Required, Dwelling Unit

210-70(c)

Lighting Outlet Required, Commercial

555-4

Marinas and Boar Yards

550-7

Mobile Home Calculations

210-22(a)

Motor Load, Use Article 430

430-22(a)

Motors

210-4

Multiwire Branch Circuit

210-20 and 240-3

Overcurrent Protection Device

551-42

Recreational Vehicles

210-6(c)

Screw Shell, Voltage Limit

338-3

Service Entrance Cable

600-6

Signs

220-4(b)

Small Appliance, See 220-16(a)

240-19(c)

Taps, See 210-24, 240-3 Ex- 5, 240-4 Exc-1&2

305-4(c)

Temporary Wiring

410-11 and 410-31

Through Fixtures

210-6

Voltage Limit

210-19(a)FPN 4

Voltage Drop, Branch Circuit 3% Maximum

Busways - 364

364-8

Branches From Busways

364-7

Dead Ends To Be Closed

364-14

Length of Busways Used As Branch Circuits

364-15

Markings

364-13

Overcurrent Protection For Branch Circuits

364-10

Overcurrent Protection For Feeders

364-11

Reduction in Size

364-5

Support

364-12

Taps, Feeder or Branch Circuit

364-6

Extension Through Walls And Floors

364-4

Uses

Cabinet, Cutout Boxes (Panelboard Enclosure) - 373

373-6(b)

Bushing or Insulated Fitting for No. 4 or Larger

373-5

Conductor Entering Cabinet and Cutout Boxes

373-8

Enclosures for Switches or Overcurrent Devices

373-3

Installed in Walls

373-8 Exception

Splices and Taps Permitted

373-4

Unused Openings

373-2

Wet, Damp or Hazardous (classified) Locations

373-6(a) Table

Wire Bending Space at Terminal

Cables - 300

300-4(c)

Access Panels, See 300-23

331

Armor Cable

300-4(a)(1)

Bored Holes/Notches in Wood

300-5(h)

Bushing, See 300-16(b)

300-15(c)

Fitting, Use Only as Designed For

300-4(d)

Framing Members, Cables

300-3(b)

Grouping Conductors, See 300-5(i) and 300-20(a)

300-12

Continuity - Mechanical Raceways and Cables

300-4(b)(2)

Protection From Nails and Screws, Metal Plates

300-5(c)

Under Buildings, Cables

300-5

Underground

Cable Trays - 318

318-11

Ampacity

318-5

Construction Specifications

318-7

Grounding

318-8

Installation, Cable

318-6

Installation Requirements, Tray

318-9 and 318-10

Fill

318-7

Grounding

318-6

Installation

318-3

Uses, See 318-4

Calculations Branch, Feeder and Services - 220

220-17

Appliance Demand Factor, Dwelling Unit

220-3(a)

Continuous Load, Branch Circuit

220-10(b)

Continuous Load, Feeder

220-19 Table

Cooking Units Demand Factor, Dwelling Unit

220-18

Dryer, Dwelling Unit Minimum 5,000 VA

220-15

Electric Space Heating

220-11

General Lighting Demand Factors

220-3(b)

General Lighting VA Load

220-20

Kitchen Equipment Demand Factors, Commercial

220-16(b)

Laundry Circuit 1,500 VA, Dwelling Unit

Calculation, Optional - 220

220-30

Dwelling

220-32

Multifamily

220-36

Restaurant

220-34

School

Capacitors - 460

460-8

Conductors

230-32

Service

460-6

Discharge Stored Energy

Class 1 Control Circuits - 725 (Part B)

725-6

Access To Equipment Behind Access Panels

725-3(a)

Classification of Class 1 Circuits

725-16(a)

Conductor Sizes and Use On Class 1 Circuits

725-16(b)

Conductor Insulation

725-17

Conductor Ampacity Derating Factor

725-17

Conductors, Number In a Raceway

725-2(b)

Ducts, Plenums, and Other Spaces, See 300-22

725-19

Extending Aerially Beyond One Building

725-2(e)

Motor Control Circuits

725-12

Overcurrent Protection, See 725-13 Location

725-18

Physical Protection

725-11(a)

Power-Limited Circuits - 30 Volts Maximum

725-2(a)

Spread of Fire, See 300-21

725-11(b)

Voltage, 600 Volts Maximum

725-14

Wiring Methods

725-15

With Other Circuits

Class 2 and 3 Control Circuits - 725 (Part C)

725-6

Access To Equipment Behind Access Panels

725-53(g)

Cable Substitutions

725-3(b)

Classification of Class 2 And 3 Circuits

725-51(g)

Conductor, Minimum Size Class 3

725-2(b)

Ducts, Plenums, And Other Spaces, See 300-22

725-51(d)

Dwelling Unit Cables, CL2X And CL3X

725-42

Extending Beyond One Building

725-49

Fire Resistance of Cables

725-53(e)

General Use Cables, See 725-51(c)

725-50

Listing, Marking, and Installation

725-2(e)

Motor Control Circuits

725-31

Overcurrent Protection, See 760-36

725-53(a)

Plenum Cable, See 725-51(a)

725-53(c)

PLTC Cable, See 725-51(e)

725-31

Power Limitations

725-52(c)

Raceways Not to Support Cables

725-53(b)

Riser Cable, See 725-51(b)

725-4

Safety Control Equipment - Considered Class 1

725-52(a)(2)

Separated From Other Conductors

725-2(a)

Spread of Fire - See 300-21

725-51(f)

Voltage Rating - Class 3 Cables - 300 Volts

725-37

Wiring Methods - Supply Side

725-38

Wiring Methods - Load Side

Computer Rooms and Data Processing Equipment - 645

645-5(a)

Branch Circuits

645-6

Cables Extending Beyond Computer Room

645-5(b)

Connecting Cables, See 645-5(c)

645-10

Disconnecting Means

645-7

Fire Resistant Room Boundaries

645-5(d)(5)

Raised Floors, See 300-22(d)

645-11

Uninterruptible Power Supplies (UPS)

Conduit Bodies, (See Boxes) - 370-16

370-16(c)

Number of Conductors, Fill

370-5

Short Radius, Splices Not Permitted

370-16(c)

Splices, Okay

370-16(c)

Support, See 370-23

Conductor, Ampacity - 310

310-16 Note 05

Bare Conductor

310-16 Note 08

Derating, Conductor Bunching

310-16 Table

Derating, Temperature

310-16 Note 03

Dwelling Unit 120/240 volt

310-17 Table

Free Air

310-15

Methods

310-16 Note 06

MI Cable End Seal

310-15(c)

Multiple Calculations

310-16 Table

Raceway

Conductors, General - 300 and 310

440-32

Air Conditioning

422-4

Appliance

373-6(c)

Bushing

725-16

Class 1 Control Circuit, See 725-17

310-12

Color Code

110-5

Copper

310-9

Corrosive Conditions

310-16 Note 10

Current Carrying, Neutral

310-16 Note 11

Current Carrying, Grounding

300-3(c)(1)

Different Voltages and Systems Mixed

424-3(b)

Electric Space Heating

373-5

Cabinet and Cutout Boxes

300-17

Fill

760-16

Fire Protection, See 760-28 and 760-51(a)

Cooking Equipment - 210

210-22(c)

Demand Factor, See 220-19 Table Note 4

422-22(b)

Disconnect

410-4(c)

Exhaust Fans, Wiring

422-17(a)

Installation Requirements

210-19(b) Ex- 2

Neutral Conductor

210-21(b)(4)

Receptacle Rating

210-19(b) Ex- 1

Tap Conductors, See 240-21(f)

Cords - 400

400-5

Ampacity

422-8

Appliances, See 422-22 for Disconnect

400-14

Color Code/Identification of Grounded Conductor

210-23(a)

Cord and Plug Equipment, 80% Maximum Load

422-22

Disconnect

410-30

Fixtures

400-23

Grounding Conductor Identification

400-22

Neutral (Grounded) Conductor In Flexible Cords

400-13

Overcurrent Protection

680-7

Pool Plug Connected Equipment

400-14

Protection From Damage

400-11

Show Window

400-4 Table

Specifications

400-9

Splices

400-10

Strain Relief, Pull at Joints and Terminals

400-7

Uses, See Table 400-4, See 400-8

Disconnecting Means

440-11/14

Air Conditioning (Part B)

422-25

Appliance, Unit Switch

460-8(c)

Capacitors

645-10

Computer/Data Processing Room

424-65

Duct Heaters

424-19

Electric Space Heating

514-5

Gas Dispenser

110-22

Identification

550-6

Mobile Home

430-74

Motor Control Circuits

430-101/113

Motor and Controller (Part I)

225-8(b)

Separate Buildings

230-70/83

Services

600-2

Sign

Electrical Metallic Tubing (EMT) - 348

348-9

Bends - How Made

348-10

Bends - Number In One Run (360 Degrees)

348-6

Conductor Fill

348-8

Couplings and Connectors

348-11

Reaming

348-5

Size - 1/2 to 4 Inch

348-14

Splices and Taps

348-12

Supports

348-7

Threads, None Permitted

348-1

Uses

348-4

Wet Location Requirements

FORMULA AND NEC INDEX BOOK

This handy book contains every electrical formula and instruction steps required to pass any Electrical Exam. In addition the book also contains an extensive National Electrical Code Index. $21


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