National Electric Code NEC Article List

This article is about article list of all NEC (National Electric Code) Standard and defined one by one.

1. Article 100 Definitions
2. Article 110 Requirements for Electrical Installations
3. Article 200 Use and Identification of Grounded Conductors 72
4. Article 210 Branch Circuits
5. Article 215 Feeders
6. Article 220 Branch-Circuit, Feeder, and Service Calculations 117
7. Article 225 Outside Branch Circuits and Feeders
8. Article 230 Services
9. Article 240 Overcurrent Protection
10. Article 250 Grounding and Bonding
11. Article 280 Surge Arresters, Over 1 kV
12. Article 285 Surge-Protective Devices (SPDs), 1 kV or Less 286
13. Article 300 Wiring Methods
14. Article 310 Conductors for General Wiring
15. Article 312 Cabinets, Cutout Boxes, and Meter Socket Enclosures 359
16. Article 314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures 365
17. Article 320 Armored Cable: Type AC
18. Article 322 Flat Cable Assemblies: Type FC
19. Article 324 Flat Conductor Cable: Type FCC
20. Article 326 Integrated Gas Spacer Cable: Type IGS 390
21. Article 328 Medium Voltage Cable: Type MV
22. Article 330 Metal-Clad Cable: Type MC
23. Article 332 Mineral-Insulated, Metal-Sheathed Cable:Type MI 398
24. Article 334 Nonmetallic-Sheathed Cable: Types NM, NMC, and NMS 401
25. Article 336 Power and Control Tray Cable: Type TC 407
26. Article 338 Service-Entrance Cable: Types SE and USE 409
27. Article 340 Underground Feeder and Branch-Circuit Cable: Type UF 412
28. Article 342 Intermediate Metal Conduit: Type IMC
29. Article 342 Intermediate Metal Conduit: Type IMC
30. Article 348 Flexible Metal Conduit: Type FMC
31. Article 350 Liquidtight Flexible Metal Conduit: Type 424
32. Article 352 Rigid Polyvinyl Chloride Conduit: Type PVC 426
33. Article 352 Rigid Polyvinyl Chloride Conduit: Type PVC 426
34. Article 354 Nonmetallic Underground Conduit with Conductors: Type NUCC 434
35. Article 355 Reinforced Thermosetting Resin Conduit: Type RTRC 435
36. Article 356 Liquidtight Flexible Nonmetallic Conduit: Type LFNC 439
37. Article 358 Electrical Metallic Tubing: Type EMT 442
38. Article 360 Flexible Metallic Tubing: Type FMT
39. Article 362 Electrical Nonmetallic Tubing: Type ENT 447
40. Article 366 Auxiliary Gutters
41. Article 368 Busways
42. Article 370 Cablebus
43. Article 372 Cellular Concrete Floor Raceways
44. Article 374 Cellular Metal Floor Raceways
45. Article 376 Metal Wireways
46. Article 378 Nonmetallic Wireways
47. Article 380 Multioutlet Assembly
48. Article 382 Nonmetallic Extensions
49. Article 384 Strut-Type Channel Raceway
50. Article 386 Surface Metal Raceways
51. Article 388 Surface Nonmetallic Raceways
52. Article 390 Underfloor Raceways
53. Article 392 Cable Trays
54. Article 394 Concealed Knob-and-Tube Wiring
55. Article 396 Messenger-Supported Wiring
56. Article 398 Open Wiring on Insulators
57. Article 399 Outdoor Overhead Conductors over 600 Volts 499
58. Article 400 Flexible Cords and Cables
59. Article 402 Fixture Wires
60. Article 404 Switches
61. Article 406 Receptacles, Cord Connectors, and Attachment Plugs (Caps) 526
62. Article 408 Switchboards and Panelboards
63. Article 409 Industrial Control Panels
64. Article 410 Luminaires, Lampholders, and Lamps
65. Article 411 Lighting Systems Operating at 30 Volts or Less 568
66. Article 422 Appliances
67. Article 424 Fixed Electric Space-Heating Equipment 578
68. Article 426 Fixed Outdoor Electric Deicing and Snow Melting Equipment 590
69. Article 427 Fixed Electric Heating Equipment for Pipelines and Vessels 595
70. Article 430 Motors, Motor Circuits, and Controllers 599
71. Article 440 Air-Conditioning and Refrigerating Equipment 653
72. Article 440 Air-Conditioning and Refrigerating Equipment 653
73. Article 450 Transformers and Transformer Vaults (Including Secondary Ties) 665
74. Article 455 Phase Converters 682
75. Article 460 Capacitors 684
76. Article 470 Resistors and Reactors 687
77. Article 480 Storage Batteries 688
78. Article 490 Equipment, Over 600 Volts, Nominal 691
79. Article 500 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2 702
80. Article 501 Class I Locations 727
81. Article 502 Class II Locations 754
82. Article 503 Class III Locations 763
83. Article 504 Intrinsically Safe Systems 768
84. Article 505 Zone 0, 1, and 2 Locations 774
85. Article 506 Zone 20, 21, and 22 Locations for Combustible Dusts or Ignitible Fibers/Flyings 793
86. Article 510 Hazardous (Classified) Locations — Specific 801
87. Article 511 Commercial Garages, Repair and Storage 801
88. Article 513 Aircraft Hangars 808
89. Article 514 Motor Fuel Dispensing Facilities 812
90. Article 515 Bulk Storage Plants 820
91. Article 516 Spray Application, Dipping, and Coating Processes 826
92. Article 517 Health Care Facilities 835
93. Article 518 Assembly Occupancies 865
94. Article 520 Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations 870
95. Article 522 Control Systems for Permanent Amusement Attractions 888
96. Article 525 Carnivals, Circuses, Fairs, and Similar Events 891
97. Article 530 Motion Picture and Television Studios and Similar Locations 895
98. Article 540 Motion Picture Projection Rooms 899
99. Article 545 Manufactured Buildings 901
100. Article 547 Agricultural Buildings 903
101. Article 550 Mobile Homes, Manufactured Homes, and Mobile Home Parks 908
102. Article 551 Recreational Vehicles and Recreational Vehicle Parks 921
103. Article 552 Park Trailers 938
104. Article 553 Floating Buildings 950
105. Article 555 Marinas and Boatyards 951
106. Article 590 Temporary Installations 958
107. Article 600 Electric Signs and Outline Lighting 966
108. Article 604 Manufactured Wiring Systems 978
109. Article 605 Office Furnishings (Consisting of Lighting
110. Accessories and Wired Partitions) 980
111. Article 610 Cranes and Hoists 982
112. Article 620 Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts 991
113. Article 625 Electric Vehicle Charging System 1009
114. Article 626 Electrified Truck Parking Spaces 1018
115. Article 630 Electric Welders 1024
116. Article 640 Audio Signal Processing, Amplification, and Reproduction Equipment 1028
117. Article 645 Information Technology Equipment 1037
118. Article 647 Sensitive Electronic Equipment 1043
119. Article 650 Pipe Organs 1045
120. Article 660 X-Ray Equipment 1046
121. Article 665 Induction and Dielectric Heating Equipment 1049
122. Article 668 Electrolytic Cells 1053
123. Article 669 Electroplating 1057
124. Article 670 Industrial Machinery 1058
125. Article 675 Electrically Driven or Controlled Irrigation Machines 1061
126. Article 680 Swimming Pools, Fountains, and Similar Installations 1064
127. Article 682 Natural and Artificially Made Bodies of Water 1095
128. Article 685 Integrated Electrical Systems 1098
129. Article 690 Solar Photovoltaic (PV) Systems 1099
130. Article 692 Fuel Cell Systems 1125
131. Article 694 Small Wind Electric Systems 1129
132. Article 695 Fire Pumps 1138
133. Article 700 Emergency Systems 1156
134. Article 701 Legally Required Standby Systems 1173
135. Article 702 Optional Standby Systems 1178
136. Article 705 Interconnected Electric Power Production Sources 1181
137. Article 708 Critical Operations Power Systems (COPS) 1188
138. Article 720 Circuits and Equipment Operating at Less Than 50 Volts 1195
139. Article 725 Class 1, Class 2, and Class 3 RemoteControl, Signaling, and Power-Limited Circuits
140. Article 727 Instrumentation Tray Cable: Type ITC 1213
141. Article 760 Fire Alarm Systems 1214
142. Article 770 Optical Fiber Cables and Raceways 1230
143. Article 800 Communications Circuits 1244
144. Article 810 Radio and Television Equipment 1264
145. Article 820 Community Antenna Television and Radio Distribution Systems 1270
146. Article 830 Network-Powered Broadband Communications Systems 1282
147. Article 840 Premises-Powered Broadband Communications Systems 1299
148. Table 1 Percent of Cross Section of Conduit and Tubing for Conductors 1306
149. Table 2 Radius of Conduit and Tubing Bends 1310
150. Table 4 Dimensions and Percent Area of Conduit and Tubing (Areas of Conduit or Tubing for the Combinations of Wires Permitted in Table 1, Chapter 9) 1310
151. Table 5 Dimensions of Insulated Conductors and Fixture Wires 1315
152. Table 5A Compact Copper and Aluminum Building Wire Nominal Dimensions and Areas 1319
153. Table 8 Conductor Properties 1320
154. Table 9 Alternating-Current Resistance and Reactance for 600-Volt Cables, 3-Phase, 60 Hz, 75°C (167°F) — Three Single Conductors in Conduit 1321
155. Table 10 Conductor Stranding 1324
156. Table 11(A) Class 2 and Class 3 Alternating-Current Power Source Limitations 1325
157. Table 11(B) Class 2 and Class 3 Direct-Current Power Source Limitations 1325
158. Table 12(A) PLFA Alternating-Current Power Source Limitations 1326
159. Table 12(B) PLFA Direct-Current Power Source Limitations 1326
160. Informative Annex A Product Safety Standards 1327
161. Informative Annex B Application Information for Ampacity Calculation 1333
162. Informative Annex C Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size 1349
163. Informative Annex D Examples 1413
164. Informative Annex E Types of Construction 1425
165. Informative Annex F Availability and Reliability for Critical Operations Power Systems; and Development and Implementation of Functional Performance Tests (FPTs) for Critical Operations Power Systems 1429
166. Informative Annex G Supervisory Control and Data Acquisition (SCADA) 1433
167. Informative Annex H Administration and Enforcement 1435
168. Informative Annex I Recommended Tightening Torque Tables from UL Standard 486A-B 1443