NEC Finder

Use these two tables as a guide to the latest edition of the National Electric Code.

 

Click on the Article Number
to See the Title

Article 110 Article 250 Article 517
Article 210 Article 280 Article 525
Article 215 Article 285 Article 527
Article 220 Article 310 Article 680
Article 225 Article 408 Article 685
Article 230 Article 430  
Article 240 Article 450  
 

Article 110 Requirements for Electrical Installations

110.3 (B) Installation and Use of Equipment
110.9 Interrupting Rating
110.10 Impedance and Other Characteristics
110.12(C)

Integrity of Electrical Equipment and Connections

110.14(C)

Temperature Limitations (Terminations and Devices)

110.26 Space about Electrical Equipment
   
Article 210 Branch Circuits

210.8(A)  

GFCI Protection for Personnel (Dwelling Units)
210.8(B) GFCI Protection for Personnel (Other than Dwelling Units)
210.11 Branch Circuits Required
210.12 Arc-Fault Circuit Interrupter
210.20  Overcurrent Protection

Article 215 Feeders

215.3

Overcurrent Protection for Feeders

215.10

Ground-Fault Protection of Equipment

Article 220 Branch Circuit, Feeder and Service Calculations

220.3

Branch Circuit Load Computations
Article 225 Outside Branch Circuits and Feeders
225.30 Number of Supplies
Article 230 Services

230.40

Number of Service Entrance Conductor Sets

230.71

Maximum Number of Disconnects

230.90(A)

Overcurrent Protection (Ungrounded conductor)

230.95

Ground-Fault Protection of Equipment
Article 240 Overcurrent Protection

240.4

Protection of Conductors

240.6

Standard Ampere Ratings

240.8

Fuses or Breakers in Parallel

240.20(B)

Circuit Breaker as Overcurrent Device

240.21

Location in Circuit

240.83

Markings (Circuit Breakers)

240.86

Series Ratings
Article 250 Grounding

250.24(B)

Grounded Conductor Brought to Service Equipment

250.30

Grounding Separately Derived AC Systems

250.32

Two or More Buildings or Structures Supplied for a Common Service

250.50

Grounding Electrode System

250.122

Size of Equipment Grounding Conductors

Article 280 Surge Arresters

280.4(A)

Listing for Surge Arresters <1000V
Article 285 Transient Voltage Surge Suppressors (TVSS)

285.5

 Listing

285.6

Short Circuit Current Rating

285.21

Connection

Article 310 Conductors for General Wiring

310.4

Conductors in Parallel

310.15   

Ampacities of Conductors
Article 408 Switchboards and Panelboards

408.14

Classification of Panelboards

408.15

Number of Overcurrent Devices in One Panelboard

408.16(F)

Back-fed Devices

408.21

Grounded Conductor Terminations

Article 430 Motors, Motor Circuits and Controllers

430.6

Ampacity and Motor Rating Determination

430.52    

Rating or Setting for Individual Motor Circuits

430.102  

Location of Disconnecting Means

430.150

Table-FLC - Three Phase Motors

Article 450 Transformers

450.3

Overcurrent Protection

Article 517 Health Care Facilities

517.17

Ground Fault Protection

Article 525 Carnivals, Circuses, Fairs and Similar Events

525.23

GFCI Protection for Personnel

Article 527 Temporary Installations

527.6      

Ground-Fault Protection for Personnel

Article 680 Swimming Pools, Fountains and Similar Installations

680.32

GFCI - Storable Pools

680.41

Emergency Switch for Spas and Hot Tubs

680.44

GFCI - Spas and Hot Tubs

680.51(A)

GFCI - Fountains

680.62(A)

GFCI - Therapeutic Tubs

680.71

GFCI - Hydromassage Bathtubs

Article 695 Fire Pumps

695.3(A)(1)

Electric Utility Service Connection

1999 NEC / 2002 / 2005 NEC Finder

1999 NEC

2002 NEC

2005 NEC

Article Title

300

300 300 Wiring Methods

305

527 590 Temporary Installations
310 310 310 Conductors for General Wiring

318

392 392 Cable Trays

320

398 398 Open Wiring on Insulators

321

396 396 Messenger Supported Wiring

324

394 394 Concealed Knob-and-Tube Wiring

325

326 326 Integrated Gas Spacer Cable: Type IGS

326

328 328 Medium Voltage Cable: Type MV

328

324 324 Flat Conductor Cable: Type FCC

330

332 332 Mineral-Insulated, Metal-Sheathed Cable: Type MI

331

362 362 Electrical Nonmetallic Tubing: Type ENT

333

320 320 Armored Cable: Type AC

334

 330 330 Metal-Clad Cable: Type MC

336

334 334 Nonmetallic-Sheathed Cable: Types: NM,NMC, and NMS

338

338 338 Service-Entrance Cable: Types SE and USE

339

 340 340 Underground Feeder and Branch-Circuit Cable: Type UF

340

336 336 Power and Control Tray Cable: Type TC

342

382 382 Nonmetallic Extensions

343

354 354 Nonmetallic Underground Conduit with Conductors: Type NUCC

345

342 342 Intermediate Metal Conduit: Type IMC

346

344 344 Rigid Metal Conduit: Type RMC

347

352 352 Rigid Nonmetallic Conduit: Type RNC

348 

358 358 Electrical Metallic Tubing: Type EMT

349

360 360 Flexible Metallic Tubing: Type FMT

350

 348 348 Flexible Metal Conduit: Type FMC

351 (Part A)

350 350 Liquidtight Flexible Metal Conduit: Type LFMC

351 (Part B)

356 356 Liquidtight Flexible Nonmetallic Conduit: Type LFNC

352 (Part C)

384 384 Strut-Type Channel Raceway

352 (Part A)

386 386 Surface Metal Raceways

352 (Part B)

388 388 Surface Nonmetallic Raceways

353

380 380 Multioutlet Assembly

354

390 390 Underfloor Raceways

356

374 374 Cellular Metal Floor Raceways

358

372 372 Cellular Concrete Floor Raceways

362 (Part A)

376 376 Metal Wireways

362 (Part B)

378 378 Nonmetallic Wireways

363

322 322  Flat Cable Assemblies: Type FC

364

368 368 Busways

365

370 370 Cablebus

370

314 314 Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, Fittings; and

373

312 312 Cabinets, Cutout Boxes, and Meter Socket Enclosure

374

366 366

Auxiliary Gutters

380

404  404 Switches

384

408 408 Switchboards and Panelboards
   

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