2025 Article 90 Part 1 Flashcards
Introduction to NEC
General Requierments
Chapter 1 to 4
Chapter 1
100 and 110
General.
2 articles
- 100 Definitions
- 110 Requierments for
electrical installations
General Requierments
Chapter 1 to 4
Chapter 2 Wiring and Protection
200-
210
215
220
225
230
240
250
280
285
Wiring and Protection
- 200 - Use and Identification of Grounded Conductors
- 210 - Branch circuits
- 215 - Feeders
- 220 - Branch-Circuit, Feeder, and Service Calculations
- 225 - Outside Branch Circuits and Feeders
- 230 - Services
- 240 - Overcurrent Protection
- 250 - Grounding and Bonding
- 280 - Surge Arresters, Over 1KV ( 1000 Volts )
- 285 - Surge Protective Devices (SPDs) 1KV or Less
General Requierments
Chapter1 to 4
Chapter 3. Wiring Methods
and Materials
Wiring Methods and Materials
300 Wire Methods
310 Conductors For General Wiring
312 Cabinets, Cutout Boxes, and Meter Socket Enclosures
314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings;
and Handhold Enclosures
320 Armored Cable: Type AC
General Requierments
Chapter 1 to 4
Chapter 3. Wiring
Methods and
Materials
Wiring Methods and Materials
322 Flat Cable Assemblies: Type FC
324 Flat Conductor Cable: Type FCC
326 Integrated Gas Spacer Cable: Type IGS
328 Medium Voltage Cable: Type MV
330 Metal-Clad Cable: Type MC
General Requierments
Chapter 1 to 4
Chapter 3
Wiring Methods and Materials
332 Mineral-Insulated, Metal-Sheathed Cable: Type MI
334 Nonmetallic-Sheathed Cable: Type NM, NMC, and NMS
336 Power and Control Tray Cable: Type TC
338 Service-Entrance Cable: Type SE and USE
340 Underground Feeder and Branch-Circuit Cable: Type UF
General Requierments
Chapter 1 to 4
Chapter 3. Wiring Methods
and Materials
Wiring Methods and Materials
342 Intermediate Metal Conduit: Type IMC
344 Rigid Metal Conduit: Type RMC
348 Flexible Metal Conduit: Type FMC
350 Liquid-tight Flexible Metal Conduit: Type LFMC
352 Rigid Polyvinyl Chlorid Conduit: Type PVC
General Requierments
Chapter 1 to 4
Chapter 3. Wiring Methods
and Materials
Wiring Methods and Materials
353 High Density Polyethylene Conduit: Type HDPE Conduit
354 Nonmetallic Underground Conduit with Conductors: Type NUCC
355 Reinforced Thermosetting Resin Conduit: Type RTRC
356 Liquid-tight Flexible Nonmetallic Conduit: Type LFNC
358 Electrical Metallic Tubing: Type EMT
90.1 Purpose and Practical Safeguarding.
The purpose of this Code is
the practical safeguarding of persons and property from
hazards arising from the use of electricity.
