| 1999 National Electrical Code Index | |
| A | Air Conditioning - Article 440 |
| Antennas - Article 810 | |
| Appliances - Article 424 | |
| Armored Cable (Type AC) - Article 333 | |
| B | Bonding |
| Boxes - Article 370 | |
| Branch Circuits - Article 210 | |
| Busways - Article 364 | |
| C | Cable Trays - Article 318 |
| Cables | |
| Load Calculations Standard - Article 220, Part B | |
| Load Calculations Optional - Article 220, Part C | |
| Carnival, Circuses and Fairs - Article 525 | |
| CATV - Article 820 | |
| Circuit Breakers - Article 240, Part G | |
| Class 1 Control Circuits - Article 725, Part B | |
| Class 1 Control Circuits - Article 725, Part C | |
| Class 1 Control Circuits - Article 725, Part C | |
| Code Introduction - Article 90 | |
| Computer Rooms - Article 645 | |
| Conductors - Article 310 | |
| Conduit Body | |
| Cooking Equipment | |
| Cords - Article 400 | |
| D | Disconnecting Means |
| E | Electric Heat - Article 424 |
| Electrical Metallic Tubing - Article 348 | |
| Electrical Nonmetallic Tubing - Article 331 | |
| Emergency Systems - Article 700 | |
| Equipment Rules | |
| F | Feeders - Article 215 |
| Fire Alarm (Nonpower limited) Article 760, Part B | |
| Fire Alarm (Power limited) Article 760, Part C | |
| Fire Pumps - Article 695 | |
| Fixture Wire - Article 402 | |
| Flexible Metal Conduit - Article 350 | |
| Fountains - Article 680, Part E | |
| Fuses - Article 240, Part E and F | |
| G | Garages for Vehicle Repairs - Article 511 |
| Gasoline Dispensers - Article 514 | |
| Ground-Fault Circuit Interrupter - GFCI Protection | |
| GFCI Protection for Receptacles | |
| Grounding - Article 250 | |
| Grounding Conductor - Article 250, Part F | |
| Grounding Electrode - Article 250, Part C | |
| Grounding Electrode Conductor - Article 250, Part C | |
| Grounding of Equipment, Article 250, Part F | |
| Grounding of Services, Article 250, Part B | |
| H | Harmonics and Lonlinear Loads |
| Hazardous Class I Location, Article 501 | |
| Hazardous Class II Location - Article 502 | |
| Hazardous Class III Location - Article 503 | |
| Hazardous Zone Location - Article 550 | |
| Health Care Facilities - Article 517 | |
| High-Leg | |
| I | Inspectors Responsibilities |
| Intermediate Metal Conduit - Article 345 | |
| Intrinsically Safe Systems - Article 504 | |
| L | Legal Standby Systems - Article 701 |
| Lighting Fixtures - Article 410 | |
| Liquidtight Conduit - Article 351 | |
| M | Metal Clad Cable (Type MC) - Article 334 |
| Mobile/Manufactured Homes - Article 550 | |
| Motors - Article 430 | |
| N | Network Powered Systems - Article 830 |
| Neutral (Grounded Conductor) - Article 200 | |
| Nonmetallic Sheath Cable - Article 336 | |
| O | Optical Fiber Cable - Article 770 |
| Optional Standby Power - Article 702 | |
| Outside Wiring - Article 225 | |
| Overcurrent Protection - Article 240 | |
| P | Panel and Disconnect Cabinets - Article 373 |
| Panelboard (guts) - Article 384, Part C | |
| Places of Assembly - Article 518 | |
| Plenum Cable | |
| R | Raceways General - Article 300 |
| Receptacles | |
| Hazardous (Class II) Location | |
| Refrigeration - Article 440 | |
| Rigid Metal Conduit - Article 346 | |
| Rigid Nonmetallic Conduit - Article 347 | |
| S | Satellite Dish - Article 810 |
| Service Cable (SE and USE) - Article 338 | |
| Service Conductors - Article 230, Parts B through D | |
| Services Disconnect - Article 230, Part F | |
| Signs and Outline Lighting - Article 600 | |
| Sound Systems - Article 640 | |
| Spas and Hot Tubs, Indoors - Article 680, Part D | |
| Spas and Hot Tubs, Outdoors Article 680, Part B | |
| Splices | |
| Spray Paint Booths - Article 516 | |
| Surface Raceway - Article 352 | |
| Surge (Lighting) Arresters - Article 280 | |
| Swimming Pools - Article 680, Part B | |
| Swimming Pools, Storable - Article 680, Part C | |
| Switchboards - Article 384, Part B | |
| Switches - Article 380 | |
| T | Telephone - Article 800 |
| Temporary Wiring - Article 305 | |
| Transformer Vaults - Article 450, Part C | |
| Transformers - Article 450 | |
| V | Voltage Drop |
| W | Wireways - Article 362 |
| X | |
| Y | |
| Z | |
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