Article 200 - Use and Identification of Neutral Conductors - 01 - Introduction.aac - 14.2 MB
Article 200 - Use and Identification of Neutral Conductors - 02 - Scope (200.1).aac - 441 kB
Article 200 - Use and Identification of Neutral Conductors - 03 - Neutral Conductor (200.4).aac - 7.53 MB
Article 200 - Use and Identification of Neutral Conductors - 04 - Identification of Grounded Conductors (200.6).aac - 17.8 MB
Article 200 - Use and Identification of Neutral Conductors - 05 - Use of White or Gray Color (200.7).aac - 7.19 MB
Article 200 - Use and Identification of Neutral Conductors - 06 - Means of Identification of Terminals (200.9).aac - 1.18 MB
Article 200 - Use and Identification of Neutral Conductors - 07 - Identification of Terminals (200.10).aac - 12.9 MB
Article 210 - Branch Circuits - 01 - Scope (210.1).aac - 1.57 MB
Article 210 - Branch Circuits - 02 - Multiwire Branch Circuits (210.4).aac - 23.6 MB
Article 210 - Branch Circuits - 03 - Identification for Branch Circuits (210.5).aac - 7.24 MB
Article 210 - Branch Circuits - 04 - Multiple Branch Circuits (210.7).aac - 1.19 MB
Article 210 - Branch Circuits - 05 - GFCI Protection (210.8).aac - 46.4 MB
Article 210 - Branch Circuits - 06 - Dwelling Unit (210.11).aac - 15.6 MB
Article 210 - Branch Circuits - 07 - Arc-Fault Circuit-Interrupter Protection (210.12).aac - 18 MB
Article 210 - Branch Circuits - 08 - Receptacle Rating (210.21).aac - 11.6 MB
Article 210 - Branch Circuits - 09 - Permissible Loads, Multiple-Outlet Branch Circuits (210.23).aac - 5.7 MB
Article 210 - Branch Circuits - 10 - Receptacle Outlets (210.50).aac - 1.41 MB
Article 210 - Branch Circuits - 11 - Dwelling Unit Receptacle Outlets (210.52).aac - 59.2 MB
Article 210 - Branch Circuits - 12 - Equipment Requiring Servicing (210.63).aac - 1.52 MB
Article 210 - Branch Circuits - 13 - Lighting Outlet Requirements (210.70).aac - 30.5 MB
Article 215 - Feeders - 01 - Scope (215.1).aac - 2.75 MB
Article 215 - Feeders - 02 - Conductor Identification (215.12).aac - 8.21 MB
Article 220 - Branch-Circuit, Feeder, and Service Load Calculations - 01 - Article 220 - Branch-Circuit, Feeder, and Service Load Calculations.aac - 2.87 MB
Article 225 - Outside Branch Circuits and Feeders - 01 - Scope (225.1).aac - 907 kB
Article 225 - Outside Branch Circuits and Feeders - 02 - Clearance for Overhead Conductors (225.18).aac - 6.87 MB
Article 225 - Outside Branch Circuits and Feeders - 03 - Clearances from Buildings (225.19).aac - 5.57 MB
Article 225 - Outside Branch Circuits and Feeders - 04 - Trees for Conductor Support (225.26).aac - 663 kB
Article 225 - Outside Branch Circuits and Feeders - 05 - Raceway Seals (225.27).aac - 4.58 MB
Article 225 - Outside Branch Circuits and Feeders - 06 - Number of Supplies (225.30).aac - 2.86 MB
Article 225 - Outside Branch Circuits and Feeders - 07 - Disconnecting Means (225.31).aac - 2.41 MB
Article 225 - Outside Branch Circuits and Feeders - 08 - Disconnecting Means Location (225.32).aac - 3.09 MB
Article 225 - Outside Branch Circuits and Feeders - 09 - Maximum Number of Disconnects (225.33).aac - 1.52 MB
Article 230 - Services - 01 - Scope (230.1).aac - 1.76 MB
Article 230 - Services - 02 - Number of Services (230.2).aac - 6.35 MB
Article 230 - Services - 03 - Not to Pass Through a Building (230.3).aac - 1.34 MB
Article 230 - Services - 04 - Conductors Considered Outside a Building (230.6).aac - 1.89 MB
Article 230 - Services - 05 - Service Conductors Separate from Other Conductors (230.7).aac - 3.39 MB
Article 230 - Services - 06 - Raceway Seals (230.8).aac - 1.45 MB
Article 230 - Services - 07 - Vertical Clearance for Overhead Service Conductors (230.24).aac - 1.49 MB
Article 230 - Services - 08 - Point of Attachment (230.26).aac - 7.94 MB
Article 230 - Services - 09 - Service Masts as Support (230.28).aac - 2.92 MB
Article 230 - Services - 10 - Installation (230.30).aac - 1.5 MB
Article 230 - Services - 11 - Protection Against Damage (230.32).aac - 5.89 MB
Article 230 - Services - 12 - Spliced Conductors (230.46).aac - 8.67 MB
Article 230 - Services - 13 - Protection Against Physical Damage (230.50).aac - 3.11 MB
Article 230 - Services - 14 - Overhead Service Locations (230.54).aac - 2.59 MB
Article 230 - Services - 15 - High-Leg Conductor Identification (230.56).aac - 7.15 MB
Article 230 - Services - 16 - Service Equipment - Enclosed or Guarded (230.62).aac - 2.36 MB
Article 230 - Services - 17 - Marking for Service Disconnect (230.66).aac - 1.16 MB
Article 230 - Services - 18 - Surge Protection (230.67).aac - 2.79 MB
Article 230 - Services - 19 - Service Disconnect Requirements (230.70).aac - 8.31 MB
Article 230 - Services - 20 - Number of Service Disconnects (230.71).aac - 7.87 MB
Article 230 - Services - 21 - Service Disconnect, Supply Side Connection (230.82).aac - 20.6 MB
Article 230 - Services - 22 - Emergency Disconnects (230.85).aac - 10.8 MB
Article 240 - Overcurrent Protection - 01 - Scope (240.1).aac - 3.49 MB
Article 240 - Overcurrent Protection - 02 - Overcurrent Protection of Conductors (240.4).aac - 21.8 MB
Article 240 - Overcurrent Protection - 03 - Standard Ampere Ratings (240.6).aac - 803 kB
Article 240 - Overcurrent Protection - 04 - Supplementary Overcurrent Protection (240.10).aac - 7.25 MB
Article 240 - Overcurrent Protection - 05 - Phase Conductor Overcurrent Device (240.15).aac - 3.83 MB
Article 240 - Overcurrent Protection - 06 - Location of Overcurrent Protective Devices at Premises (240.24).aac - 6.33 MB
Article 240 - Overcurrent Protection - 07 - Vertical Position (240.33).aac - 4.59 MB
Article 240 - Overcurrent Protection - 08 - Indicating (240.81).aac - 3.29 MB
Article 300 - General Requirements for Wiring Methods and Materials - 01 - Scope (300.1).aac - 7.57 MB
Article 300 - General Requirements for Wiring Methods and Materials - 02 - Conductors (300.3).aac - 30.4 MB
Article 300 - General Requirements for Wiring Methods and Materials - 03 - Protection Against Physical Damage (300.4).aac - 15.7 MB
Article 300 - General Requirements for Wiring Methods and Materials - 04 - Underground Installations (300.5).aac - 59 MB
Article 300 - General Requirements for Wiring Methods and Materials - 05 - Protection Against Corrosion and Deterioration (300.6).aac - 2.62 MB
Article 300 - General Requirements for Wiring Methods and Materials - 06 - Raceways Exposed to Different Temperatures (300.7).aac - 15.4 MB
Article 300 - General Requirements for Wiring Methods and Materials - 07 - Raceways in Wet Locations Above Grade (300.9).aac - 936 kB
Article 300 - General Requirements for Wiring Methods and Materials - 08 - Electrical Continuity (300.10).aac - 2.97 MB
Article 300 - General Requirements for Wiring Methods and Materials - 09 - Securing and Supporting (300.11).aac - 13 MB
Article 300 - General Requirements for Wiring Methods and Materials - 10 - Mechanical Continuity (300.12).aac - 4.04 MB
Article 300 - General Requirements for Wiring Methods and Materials - 11 - Mechanical and Electrical Continuity of Conductors - Splices and Pigtails (300.13).aac - 8.65 MB
Article 300 - General Requirements for Wiring Methods and Materials - 12 - Length of Free Conductors (300.14).aac - 10.8 MB
Article 300 - General Requirements for Wiring Methods and Materials - 13 - Boxes or Fittings (300.15).aac - 21.3 MB
Article 300 - General Requirements for Wiring Methods and Materials - 14 - Inserting Conductors in Raceways (300.18).aac - 1.68 MB
Article 300 - General Requirements for Wiring Methods and Materials - 15 - Induction in Ferrous Metal Parts (300.20).aac - 4.45 MB
Article 300 - General Requirements for Wiring Methods and Materials - 16 - Spread of Fire or Products of Combustion (300.21).aac - 7.91 MB
Article 300 - General Requirements for Wiring Methods and Materials - 17 - Wiring in Ducts and Plenum Spaces (300.22).aac - 14.6 MB
Article 300 - General Requirements for Wiring Methods and Materials - 18 - Article 300 Summary.aac - 5.7 MB
Bonus - AFCI - 01 - Chapter 1.aac - 35.1 MB
Bonus - GFCI - 01 - Chapter 1.aac - 69.9 MB
Bonus - Surge and Article 242 Overvoltage Protection - 01 - Chapter 1.aac - 92.8 MB
Article 310 - Conductors for General Wiring - 01 - Scope (310.1).aac - 941 kB
Article 310 - Conductors for General Wiring - 02 - Conductors (310.3).aac - 3.81 MB
Article 310 - Conductors for General Wiring - 03 - Conductor Construction and Application (310.4).aac - 16.8 MB
Article 310 - Conductors for General Wiring - 04 - Conductor Identification (310.6).aac - 2.14 MB
Article 310 - Conductors for General Wiring - 05 - Uses Permitted (310.10).aac - 18.1 MB
Article 310 - Conductors for General Wiring - 06 - Ampacities of Insulated Conductors in Raceways, Cables, or Buried (310.16).aac - 2.68 MB
Article 312 - Cabinets, Cutout Boxes, and Meter Socket Enclosures - 01 - Scope (312.1).aac - 2.46 MB
Article 312 - Cabinets, Cutout Boxes, and Meter Socket Enclosures - 02 - Damp or Wet Locations (312.2).aac - 6.56 MB
Article 312 - Cabinets, Cutout Boxes, and Meter Socket Enclosures - 03 - Position in Walls (312.3).aac - 1.34 MB
Article 312 - Cabinets, Cutout Boxes, and Meter Socket Enclosures - 04 - Repairing Gaps in Noncombustible Surfaces (312.4).aac - 2.36 MB
Article 312 - Cabinets, Cutout Boxes, and Meter Socket Enclosures - 05 - Enclosures, Openings to be Closed (312.5).aac - 6.8 MB
Article 312 - Cabinets, Cutout Boxes, and Meter Socket Enclosures - 06 - Deflection of Conductors (312.6).aac - 9.6 MB
Article 312 - Cabinets, Cutout Boxes, and Meter Socket Enclosures - 07 - Overcurrent Device Enclosures (312.8).aac - 2.46 MB
Article 312 - Cabinets, Cutout Boxes, and Meter Socket Enclosures - 08 - Material 312.10).aac - 1.32 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 01 - Scope (314.1).aac - 1.83 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 02 - Nonmetallic Boxes (314.3).aac - 783 kB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 03 - Metal Boxes (314.4).aac - 1.27 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 04 - Damp or Wet Locations (314.15).aac - 1.62 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 05 - Conductors That Enter Boxes or Conduit Bodies (314.17).aac - 10 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 06 - Flush-Mounted Box Installations (314.20).aac - 412 kB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 07 - Repairing Noncombustible Surfaces (314.21).aac - 1.22 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 08 - Surface Extensions (314.22).aac - 6.57 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 09 - Support of Boxes (314.23).aac - 12.2 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 10 - Covers and Canopies (314.25).aac - 10.8 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 11 - Outlet Box Requirements (314.27).aac - 14 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 12 - Wiring to be Accessible (314.29).aac - 3.13 MB
Article 314 - Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Handhole Enclosures - 13 - Handhole Enclosures (314.30).aac - 14 MB
Article 320 - Armored Cable (Type AC) - 01 - Scope (320.1).aac - 3.11 MB
Article 320 - Armored Cable (Type AC) - 02 - Definition (320.2).aac - 1.04 MB
Article 320 - Armored Cable (Type AC) - 03 - Uses Permitted (320.10).aac - 1.2 MB
Article 320 - Armored Cable (Type AC) - 04 - Uses Not Permitted (320.12).aac - 5.05 MB
Article 320 - Armored Cable (Type AC) - 05 - Exposed Work (320.15).aac - 362 kB
Article 320 - Armored Cable (Type AC) - 06 - Through or Parallel to Framing Members (320.17).aac - 546 kB
Article 320 - Armored Cable (Type AC) - 07 - In Accessible Attics or Roof Spaces (320.23).aac - 2.34 MB
Article 320 - Armored Cable (Type AC) - 08 - Bending Radius (320.24).aac - 3.17 MB
Article 320 - Armored Cable (Type AC) - 09 - Securing and Supporting (320.30).aac - 5.65 MB
Article 320 - Armored Cable (Type AC) - 10 - Boxes and Fittings (320.40).aac - 2.85 MB
Article 320 - Armored Cable (Type AC) - 11 - Equipment Grounding Conductor (320.108).aac - 606 kB
Article 320 - Armored Cable (Type AC) - 12 - Article 320 Summary.aac - 3.49 MB
Article 330 - Metal-Clad Cable (Type MC) - 01 - Scope (330.1).aac - 372 kB
Article 330 - Metal-Clad Cable (Type MC) - 02 - Definition (330.2).aac - 7.79 MB
Article 330 - Metal-Clad Cable (Type MC) - 03 - Listing Requirements (330.6).aac - 1.4 MB
Article 330 - Metal-Clad Cable (Type MC) - 04 - Uses Permitted (330.10).aac - 8.91 MB
Article 330 - Metal-Clad Cable (Type MC) - 05 - Uses Not Permitted (330.12).aac - 1.57 MB
Article 330 - Metal-Clad Cable (Type MC) - 06 - Exposed Work (330.15).aac - 197 kB
Article 330 - Metal-Clad Cable (Type MC) - 07 - Through or Parallel to Framing Members (330.17).aac - 167 kB
Article 330 - Metal-Clad Cable (Type MC) - 08 - Bending Radius.aac - 677 kB
Article 330 - Metal-Clad Cable (Type MC) - 09 - Securing and Supporting (330.30).aac - 4.99 MB
Article 330 - Metal-Clad Cable (Type MC) - 10 - Equipment Grounding Conductor (330.108).aac - 2.68 MB
Article 330 - Metal-Clad Cable (Type MC) - 11 - Article 330 Summary.aac - 2.82 MB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 01 - Scope (334.1).aac - 677 kB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 02 - Definition (334.2).aac - 514 kB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 03 - Uses Permitted (334.10).aac - 5.3 MB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 04 - Uses Not Permitted (334.12).aac - 4.24 MB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 05 - Exposed Work (334.15).aac - 14.7 MB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 06 - Through or Parallel to Framing Members (334.17).aac - 493 kB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 07 - Accessible Attics and Roof Spaces (334.23).aac - 2.03 MB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 08 - Bending Radius (334.24).aac - 3.71 MB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 09 - Securing and Supporting (334.30).aac - 1.43 MB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 10 - Boxes and Fittings (334.40).aac - 2.89 MB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 11 - Equipment Grounding Conductor (334.108).aac - 169 kB
Article 334 - Nonmetallic-Sheathed Cable (Type NM) - 12 - Article 334 Summary.aac - 8.37 MB
Article 336 - Power and Control Tray Cable (Type TC) - 01 - Scope (336.1).aac - 710 kB
Article 336 - Power and Control Tray Cable (Type TC) - 02 - Definition (336.2).aac - 1.42 MB
Article 336 - Power and Control Tray Cable (Type TC) - 03 - Uses Permitted (336.10).aac - 3.8 MB
Article 336 - Power and Control Tray Cable (Type TC) - 04 - Uses Not Permitted (336.12).aac - 262 kB
Article 338 - Service-Entrance Cable (Types SE and USE) - 01 - Scope (338.1).aac - 1.5 MB
Article 338 - Service-Entrance Cable (Types SE and USE) - 02 - Uses Permitted (338.10).aac - 4.73 MB
Article 338 - Service-Entrance Cable (Types SE and USE) - 03 - Uses Not Permitted (338.12).aac - 2.12 MB
Article 338 - Service-Entrance Cable (Types SE and USE) - 04 - Bending Radius (338.24).aac - 604 kB
Article 338 - Service-Entrance Cable (Types SE and USE) - 05 - Article 338 Summary.aac - 1.21 MB
Article 340 - Underground Feeder and Branch-Circuit Cable (Type UF) - 01 - Scope (340.1).aac - 494 kB
Article 340 - Underground Feeder and Branch-Circuit Cable (Type UF) - 02 - Definition (340.2).aac - 155 kB
Article 340 - Underground Feeder and Branch-Circuit Cable (Type UF) - 03 - Uses Permitted (340.10).aac - 1.62 MB
Article 340 - Underground Feeder and Branch-Circuit Cable (Type UF) - 04 - Uses Not Permitted (340.12).aac - 766 kB
Article 340 - Underground Feeder and Branch-Circuit Cable (Type UF) - 05 - Bends (340.24).aac - 556 kB
Article 340 - Underground Feeder and Branch-Circuit Cable (Type UF) - 06 - Article 340 Summary.aac - 8.6 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 01 - Introduction.aac - 7.36 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 02 - Scope (342.1).aac - 1.51 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 03 - Definition (342.2).aac - 8.55 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 04 - Uses Permitted (342.10).aac - 3.07 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 05 - Dissimilar Metals (342.14).aac - 1.09 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 06 - Number of Conductors (342.22).aac - 9.4 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 07 - Bends (342.24).aac - 9.01 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 08 - Number of Bends (360 Degrees) (342.26).aac - 2.33 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 09 - Reaming (342.28).aac - 2.76 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 10 - Securing and Supporting (342.30).aac - 13.6 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 11 - Couplings and Connectors (342.42).aac - 16.7 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 12 - Bushings (342.46).aac - 2.53 MB
Article 342 - Intermediate Metal Conduit (Type IMC) - 13 - Equipment Grounding Conductor (342.60).aac - 781 kB
Article 342 - Intermediate Metal Conduit (Type IMC) - 14 - Article 342 Summary.aac - 11.8 MB
Article 344 - Rigid Metal Conduit (Type RMC) - 01 - Scope (344.1).aac - 1.76 MB
Article 344 - Rigid Metal Conduit (Type RMC) - 02 - Definition (344.2).aac - 195 kB
Article 344 - Rigid Metal Conduit (Type RMC) - 03 - Uses Permitted (344.10).aac - 7.55 MB
Article 344 - Rigid Metal Conduit (Type RMC) - 04 - Number of Bends (360 Degrees) (344.26).aac - 442 kB
Article 344 - Rigid Metal Conduit (Type RMC) - 05 - Securing and Supporting (344.30).aac - 1.82 MB
Article 344 - Rigid Metal Conduit (Type RMC) - 06 - Couplings and Connectors (344.42).aac - 8.85 MB
Article 344 - Rigid Metal Conduit (Type RMC) - 07 - Bushings (344.46).aac - 382 kB
Article 344 - Rigid Metal Conduit (Type RMC) - 08 - Equipment Grounding Conductor (344.60).aac - 1.09 MB
Article 348 - Flexible Metal Conduit (Type FMC) - 01 - Scope (348.1).aac - 821 kB
Article 348 - Flexible Metal Conduit (Type FMC) - 02 - Definition (348.2).aac - 8.87 MB
Article 348 - Flexible Metal Conduit (Type FMC) - 03 - Uses Permitted (348.10).aac - 308 kB
Article 348 - Flexible Metal Conduit (Type FMC) - 04 - Uses Not Permitted (348.12).aac - 2.54 MB
Article 348 - Flexible Metal Conduit (Type FMC) - 05 - Trimming (348.28).aac - 4.15 MB
Article 348 - Flexible Metal Conduit (Type FMC) - 06 - Securing and Supporting (348.30).aac - 8.36 MB
Article 348 - Flexible Metal Conduit (Type FMC) - 07 - Equipment Grounding and Bonding Conductors (348.60).aac - 7.57 MB
Article 348 - Flexible Metal Conduit (Type FMC) - 08 - Article 348 Summary.aac - 5.92 MB
Article 350 - Liquidtight Flexible Metal Conduit (Type LFMC) - 01 - Scope (350.1).aac - 3.99 MB
Article 350 - Liquidtight Flexible Metal Conduit (Type LFMC) - 02 - Definition (350.2).aac - 278 kB
Article 350 - Liquidtight Flexible Metal Conduit (Type LFMC) - 03 - Uses Permitted (350.10).aac - 2.34 MB
Article 350 - Liquidtight Flexible Metal Conduit (Type LFMC) - 04 - Uses Not Permitted (350.12).aac - 1.38 MB
Article 350 - Liquidtight Flexible Metal Conduit (Type LFMC) - 05 - Trimming (350.28).aac - 1.09 MB
Article 350 - Liquidtight Flexible Metal Conduit (Type LFMC) - 06 - Securing and Supporting (350.30).aac - 9.97 MB
Article 350 - Liquidtight Flexible Metal Conduit (Type LFMC) - 07 - Article 350 Summary.aac - 6.72 MB
Article 352 - Rigid Polyvinyl Chloride Conduit (Type PVC) - 01 - Scope (352.1).aac - 453 kB
Article 352 - Rigid Polyvinyl Chloride Conduit (Type PVC) - 02 - Definition (352.2).aac - 681 kB
Article 352 - Rigid Polyvinyl Chloride Conduit (Type PVC) - 03 - Uses Permitted (352.10).aac - 3.6 MB
Article 352 - Rigid Polyvinyl Chloride Conduit (Type PVC) - 04 - Uses Not Permitted (352.12).aac - 3.14 MB
Article 352 - Rigid Polyvinyl Chloride Conduit (Type PVC) - 05 - Trimming (352.28).aac - 10.4 MB
Article 352 - Rigid Polyvinyl Chloride Conduit (Type PVC) - 06 - Securing and Supporting (352.30).aac - 4 MB
Article 352 - Rigid Polyvinyl Chloride Conduit (Type PVC) - 07 - Expansion Fittings (352.44).aac - 16.7 MB
Article 352 - Rigid Polyvinyl Chloride Conduit (Type PVC) - 08 - Bushings (352.46).aac - 840 kB
Article 352 - Rigid Polyvinyl Chloride Conduit (Type PVC) - 09 - Joints (352.48).aac - 3.04 MB
Article 352 - Rigid Polyvinyl Chloride Conduit (Type PVC) - 10 - Equipment Grounding Conductor (352.60).aac - 2.51 MB
Article 356 - Liquidtight Flexible Nonmetallic Conduit (Type LFNC) - 01 - Scope (356.1).aac - 1.1 MB
Article 356 - Liquidtight Flexible Nonmetallic Conduit (Type LFNC) - 02 - Definition (356.2).aac - 841 kB
Article 356 - Liquidtight Flexible Nonmetallic Conduit (Type LFNC) - 03 - Uses Permitted (356.10).aac - 3.82 MB
Article 356 - Liquidtight Flexible Nonmetallic Conduit (Type LFNC) - 04 - Uses Not Permitted (356.12).aac - 1.46 MB
Article 356 - Liquidtight Flexible Nonmetallic Conduit (Type LFNC) - 05 - Securing and Supporting (356.30).aac - 4.87 MB
Article 356 - Liquidtight Flexible Nonmetallic Conduit (Type LFNC) - 06 - Fittings (356.42).aac - 2.06 MB
Article 356 - Liquidtight Flexible Nonmetallic Conduit (Type LFNC) - 07 - Equipment Grounding Conductor (356.60).aac - 4.59 MB
Article 356 - Liquidtight Flexible Nonmetallic Conduit (Type LFNC) - 08 - Article 356 Summary.aac - 4.72 MB
Article 358 - Electrical Metallic Tubing (Type EMT) - 01 - Scope (358.1).aac - 1.55 MB
Article 358 - Electrical Metallic Tubing (Type EMT) - 02 - Definition (358.2).aac - 1.13 MB
Article 358 - Electrical Metallic Tubing (Type EMT) - 03 - Uses Permitted (358.10).aac - 1.7 MB
Article 358 - Electrical Metallic Tubing (Type EMT) - 04 - Uses Not Permitted (358.12).aac - 5.12 MB
Article 358 - Electrical Metallic Tubing (Type EMT) - 05 - Reaming (358.28).aac - 360 kB
Article 358 - Electrical Metallic Tubing (Type EMT) - 06 - Securing and Supporting (358.30).aac - 2.6 MB
Article 358 - Electrical Metallic Tubing (Type EMT) - 07 - Couplings and Connectors (358.42).aac - 1.92 MB
Article 358 - Electrical Metallic Tubing (Type EMT) - 08 - Equipment Grounding Conductor (358.60).aac - 4.3 MB
Article 362 - Electrical Nonmetallic Tubing (Type ENT) - 01 - Scope (362.1).aac - 5.56 MB
Article 362 - Electrical Nonmetallic Tubing (Type ENT) - 02 - Uses Permitted (362.10).aac - 14.8 MB
Article 362 - Electrical Nonmetallic Tubing (Type ENT) - 03 - Uses Not Permitted (362.12).aac - 4.13 MB
Article 362 - Electrical Nonmetallic Tubing (Type ENT) - 04 - Securing and Supporting (362.30).aac - 410 kB
Article 362 - Electrical Nonmetallic Tubing (Type ENT) - 05 - Bushings (362.46).aac - 1.06 MB
Article 362 - Electrical Nonmetallic Tubing (Type ENT) - 06 - Joints (362.48).aac - 3.11 MB
Article 362 - Electrical Nonmetallic Tubing (Type ENT) - 07 - Equipment Grounding Conductor (362.60).aac - 3.69 MB
Article 376 - Metal Wireways - 01 - Scope (376.1).aac - 2.29 MB
Article 376 - Metal Wireways - 02 - Definition (376.2).aac - 10 MB
Article 376 - Metal Wireways - 03 - Uses Permitted (376.10).aac - 535 kB
Article 376 - Metal Wireways - 04 - Uses Not Permitted (376.12).aac - 206 kB
Article 376 - Metal Wireways - 05 - Conductors Connected in Parallel (376.20).aac - 2.56 MB
Article 376 - Metal Wireways - 06 - Supports (376.30).aac - 1.13 MB
Article 376 - Metal Wireways - 07 - Splices Taps, and Power Distribution Blocks (376.56).aac - 13.2 MB
Article 376 - Metal Wireways - 08 - Construction (376.100).aac - 11 MB
Article 380 - Multioutlet Assemblies - 01 - Scope (380.1).aac - 3.02 MB
Article 380 - Multioutlet Assemblies - 02 - Uses Permitted (380.10).aac - 1.12 MB
Article 380 - Multioutlet Assemblies - 03 - Uses Not Permitted (380.12).aac - 8.68 MB
Article 380 - Multioutlet Assemblies - 04 - Article 380 Summary.aac - 852 kB
Article 386 - Surface Metal Raceways - 01 - Scope (386.1).aac - 462 kB
Article 386 - Surface Metal Raceways - 02 - Definition (386.2).aac - 2.82 MB
Article 386 - Surface Metal Raceways - 03 - Uses Permitted (386.10).aac - 339 kB
Article 386 - Surface Metal Raceways - 04 - Uses Not Permitted (386.12).aac - 494 kB
Article 386 - Surface Metal Raceways - 05 - Securing and Supporting (386.30).aac - 124 kB
Article 386 - Surface Metal Raceways - 06 - Equipment Grounding Conductor (386.60).aac - 972 kB
Article 386 - Surface Metal Raceways - 07 - Separate Compartments (386.70).aac - 2.79 MB
Article 392 - Cable Trays - 01 - Scope (392.1).aac - 3.45 MB
Article 392 - Cable Trays - 02 - Definition (392.2).aac - 1.44 MB
Article 392 - Cable Trays - 03 - Uses Permitted (392.10).aac - 10.6 MB
Article 392 - Cable Trays - 04 - Cable Tray Installations (392.18).aac - 5.31 MB
Article 392 - Cable Trays - 05 - Cable and Conductor Installation (392.20).aac - 3.51 MB
Article 392 - Cable Trays - 06 - Bushed Conduit and Tubing (392.46).aac - 1.14 MB
Article 392 - Cable Trays - 07 - Cable Splices (392.56).aac - 1.27 MB
Article 392 - Cable Trays - 08 - Summary of Other Wiring Methods.aac - 41.4 MB
Article 400 - Flexible Cords and Flexible Cables - 01 - Scope (400.1).aac - 7.97 MB
Article 400 - Flexible Cords and Flexible Cables - 02 - Suitability (400.3).aac - 544 kB
Article 400 - Flexible Cords and Flexible Cables - 03 - Types of Flexible Cords and Flexible Cables (400.4).aac - 4.32 MB
Article 400 - Flexible Cords and Flexible Cables - 04 - Uses Permitted (400.10).aac - 17.8 MB
Article 400 - Flexible Cords and Flexible Cables - 05 - Uses Not Permitted (400.12).aac - 8.08 MB
Article 400 - Flexible Cords and Flexible Cables - 06 - Pull at Joints and Terminals (400.14).aac - 1.72 MB
Article 400 - Flexible Cords and Flexible Cables - 07 - Protection from Damage (400.17).aac - 492 kB
Article 400 - Flexible Cords and Flexible Cables - 08 - Article 400 Summary.aac - 17.7 MB
Article 404 - Switches - 01 - Scope (404.1).aac - 584 kB
Article 404 - Switches - 02 - Switch Connections (404.2).aac - 26.5 MB
Article 404 - Switches - 03 - Switch Enclosures (404.3).aac - 2.65 MB
Article 404 - Switches - 04 - Damp or Wet Locations (404.4).aac - 11.8 MB
Article 404 - Switches - 05 - Indicating (404.7).aac - 3.68 MB
Article 404 - Switches - 06 - Accessibility and Grouping (404.8).aac - 17.8 MB
Article 404 - Switches - 07 - General-Use Snap Switches, Dimmers, and Control Switches (404.9).aac - 400 kB
Article 404 - Switches - 08 - Mounting of Snap Switches, Dimmers, and Control Switches (404.10).aac - 7.36 MB
Article 404 - Switches - 09 - Rating and Use of Snap Switches (404.14).aac - 1.34 MB
Article 404 - Switches - 10 - Switch Marking (404.20).aac - 4.36 MB
Article 404 - Switches - 11 - Electronic Control Switches (404.22).aac - 1.87 MB
Article 404 - Switches - 12 - Article 404 Summary.aac - 2.88 MB
Article 406 - Receptacles, Cord Connectors, and Attachment Plugs - 01 - Scope (406.1).aac - 482 kB
Article 406 - Receptacles, Cord Connectors, and Attachment Plugs - 02 - Definitions (406.2).aac - 1.02 MB
Article 406 - Receptacles, Cord Connectors, and Attachment Plugs - 03 - Receptacle Rating and Type (406.3).aac - 9.69 MB
Article 406 - Receptacles, Cord Connectors, and Attachment Plugs - 04 - General Installation Requirements (406.4).aac - 16.1 MB
Article 406 - Receptacles, Cord Connectors, and Attachment Plugs - 05 - Receptacle Mounting (406.5).aac - 12.7 MB
Article 406 - Receptacles, Cord Connectors, and Attachment Plugs - 06 - Receptacle Faceplates (406.6).aac - 3.45 MB
Article 406 - Receptacles, Cord Connectors, and Attachment Plugs - 07 - Attachment Plugs and Flanged Surface Devices (406.7).aac - 4.06 MB
Article 406 - Receptacles, Cord Connectors, and Attachment Plugs - 08 - Receptacles in Damp or Wet Locations (406.9).aac - 16.7 MB
Article 406 - Receptacles, Cord Connectors, and Attachment Plugs - 09 - Tamper-Resistant Receptacles (406.12).aac - 13.9 MB
Article 406 - Receptacles, Cord Connectors, and Attachment Plugs - 10 - Article 406 Summary.aac - 6.28 MB
Article 408 - Switchboards, Switchgear, and Panelboards - 01 - Scope (408.1).aac - 2.41 MB
Article 408 - Switchboards, Switchgear, and Panelboards - 02 - Arrangement of Busbars and Conductors (408.3).aac - 4.58 MB
Article 408 - Switchboards, Switchgear, and Panelboards - 03 - Field Identification (408.4).aac - 5.71 MB
Article 408 - Switchboards, Switchgear, and Panelboards - 04 - Unused Openings (408.7).aac - 2.08 MB
Article 408 - Switchboards, Switchgear, and Panelboards - 05 - Clearances (408.18).aac - 2.53 MB
Article 408 - Switchboards, Switchgear, and Panelboards - 06 - Overcurrent Protection (408.36).aac - 15.7 MB
Article 408 - Switchboards, Switchgear, and Panelboards - 07 - Equipment Grounding Conductor (408.40).aac - 13.7 MB
Article 408 - Switchboards, Switchgear, and Panelboards - 08 - Neutral Conductor Terminations (408.41).aac - 1.65 MB
Article 408 - Switchboards, Switchgear, and Panelboards - 09 - Article 408 Summary.aac - 13.1 MB
Article 410 - Luminaires, Lampholders, and Lamps - 01 - Scope (410.1).aac - 2.65 MB
Article 410 - Luminaires, Lampholders, and Lamps - 02 - Luminaires in Specific Locations (410.10).aac - 11.4 MB
Article 410 - Luminaires, Lampholders, and Lamps - 03 - Outlet Boxes to be Covered (410.22).aac - 301 kB
Article 410 - Luminaires, Lampholders, and Lamps - 04 - Supports (410.30).aac - 19.8 MB
Article 410 - Luminaires, Lampholders, and Lamps - 05 - Means of Support (410.36).aac - 16.1 MB
Article 410 - Luminaires, Lampholders, and Lamps - 06 - Screw Shell Type (410.90).aac - 1.45 MB
Article 410 - Luminaires, Lampholders, and Lamps - 07 - Clearance and Installation (410.116).aac - 4.51 MB
Article 410 - Luminaires, Lampholders, and Lamps - 08 - Disconnecting Means (410.130(G)).aac - 5.57 MB
Article 411 - Low-Voltage Lighting - 01 - Scope (411.1).aac - 491 kB
Article 411 - Low-Voltage Lighting - 02 - Low-Voltage Lighting Systems (411.3).aac - 423 kB
Article 411 - Low-Voltage Lighting - 03 - Listing Required (411.4).aac - 1.98 MB
Article 411 - Low-Voltage Lighting - 04 - Specific Location Requirements (411.5).aac - 6.6 MB
Article 411 - Low-Voltage Lighting - 05 - Article 411 Summary.aac - 1.33 MB
Article 422 - Appliances - 01 - Scope (422.1).aac - 268 kB
Article 422 - Appliances - 02 - GFCI Protection (422.5).aac - 11.3 MB
Article 422 - Appliances - 03 - Support of Ceiling Paddle Fans (422.18).aac - 1.11 MB
Article 422 - Appliances - 04 - Outlet Boxes to be Covered (422.20).aac - 1.4 MB
Article 422 - Appliances - 05 - Permanently Connected Appliance Disconnects (422.31).aac - 1.56 MB
Article 422 - Appliances - 06 - Disconnection of Cord-and-Plug-Connected Appliances (422.33).aac - 622 kB
Article 424 - Fixed Electric Space-Heating Equipment - 01 - Scope (424.1).aac - 1.15 MB
Article 424 - Fixed Electric Space-Heating Equipment - 02 - Disconnecting Means (424.19).aac - 10.5 MB
Article 424 - Fixed Electric Space-Heating Equipment - 03 - Duct Heater Disconnecting Means (424.65).aac - 1.87 MB
Article 424 - Fixed Electric Space-Heating Equipment - 04 - Article 424 Summary.aac - 500 kB
Article 430 - Motors, Motor Circuits, and Controllers - 01 - Scope (430.1).aac - 2.1 MB
Article 430 - Motors, Motor Circuits, and Controllers - 02 - Definitions (430.2).aac - 1.65 MB
Article 430 - Motors, Motor Circuits, and Controllers - 03 - Disconnect for Control Circuits (430.75).aac - 485 kB
Article 430 - Motors, Motor Circuits, and Controllers - 04 - Motor Controller Horsepower Rating (430.83).aac - 11.1 MB
Article 430 - Motors, Motor Circuits, and Controllers - 05 - Disconnect Location (430.102).aac - 1.48 MB
Article 430 - Motors, Motor Circuits, and Controllers - 06 - Readily Accessible Disconnect (430.107).aac - 3.18 MB
Article 430 - Motors, Motor Circuits, and Controllers - 07 - Type of Disconnecting Means (430.109).aac - 4.9 MB
Article 440 - Air-Conditioning and Refrigeration Equipment - 01 - Scope (440.1).aac - 308 kB
Article 440 - Air-Conditioning and Refrigeration Equipment - 02 - Marking on Hermetic Refrigerant Motor-Compressors and Equipment (440.4).aac - 6.36 MB
Article 440 - Air-Conditioning and Refrigeration Equipment - 03 - Grounding and Bonding (440.9).aac - 2.12 MB
Article 440 - Air-Conditioning and Refrigeration Equipment - 04 - Disconnect Location (440.14).aac - 2.56 MB
Article 445 - Generators - 01 - Scope (445.1).aac - 1.71 MB
Article 445 - Generators - 02 - Disconnecting Means and Emergency Shutdown (445.18).aac - 20 MB
Article 450 - Transformers and Transformer Vaults - 01 - Scope (450.1).aac - 532 kB
Article 450 - Transformers and Transformer Vaults - 02 - Ventilation (450.9).aac - 1.5 MB
Article 450 - Transformers and Transformer Vaults - 03 - Grounding and Bonding (450.10).aac - 6.42 MB
Article 450 - Transformers and Transformer Vaults - 04 - Transformer Accessibility (450.13).aac - 5.4 MB
Article 450 - Transformers and Transformer Vaults - 05 - Disconnecting Means (450.14).aac - 4.09 MB
Meet the Team - 01 - Chapter 1.aac - 12.6 MB
Article 90 - Introduction to the National Electrical Code - 01 - Introduction.aac - 4.93 MB
Article 90 - Introduction to the National Electrical Code - 02 - Purpose of the NEC (90.1).aac - 42.4 MB
Article 90 - Introduction to the National Electrical Code - 03 - Scope of the NEC (90.2).aac - 6.34 MB
Article 90 - Introduction to the National Electrical Code - 04 - Code Arrangement (90.3).aac - 2.59 MB
Article 90 - Introduction to the National Electrical Code - 05 - Enforcement (90.4).aac - 24.4 MB
Article 90 - Introduction to the National Electrical Code - 06 - Examination of Equipment for Product Safety (90.7).aac - 5.73 MB
Article 90 - Introduction to the National Electrical Code - 07 - Article 90 Summary.aac - 7.4 MB
Article 100 - Definitions - 01 - Article 100 - Definitions.aac - 142 MB
Article 110 - Requirements for Electrical Installations - 01 - Scope (110.1).aac - 6.81 MB
Article 110 - Requirements for Electrical Installations - 02 - Approval of Conductors and Equipment (110.2).aac - 1.97 MB
Article 110 - Requirements for Electrical Installations - 03 - Installation and Use (110.3(B)).aac - 8.41 MB
Article 110 - Requirements for Electrical Installations - 04 - Conductor Material (110.5).aac - 1.7 MB
Article 110 - Requirements for Electrical Installations - 05 - Conductor Sizes (110.6).aac - 4.81 MB
Article 110 - Requirements for Electrical Installations - 06 - Wiring Integrity (110.7).aac - 1.57 MB
Article 110 - Requirements for Electrical Installations - 07 - Suitable Wiring Methods (110.8).aac - 4.13 MB
Article 110 - Requirements for Electrical Installations - 08 - Interrupting Rating (Overcurrent Protective Devices) (110.9).aac - 15.2 MB
Article 110 - Requirements for Electrical Installations - 09 - Equipment Short-Circuit Current Rating (110.10).aac - 6.76 MB
Article 110 - Requirements for Electrical Installations - 10 - Deteriorating Agents (110.11).aac - 2.09 MB
Article 110 - Requirements for Electrical Installations - 11 - Mechanical Execution of Work (110.12).aac - 14.3 MB
Article 110 - Requirements for Electrical Installations - 12 - Mounting and Cooling of Equipment (110.13).aac - 534 kB
Article 110 - Requirements for Electrical Installations - 13 - Conductor Termination and Splicing (110.14).aac - 38.6 MB
Article 110 - Requirements for Electrical Installations - 14 - High-Leg Conductor Identification (110.15).aac - 2.81 MB
Article 110 - Requirements for Electrical Installations - 15 - Arc-Flash Hazard Warning (110.16).aac - 28.8 MB
Article 110 - Requirements for Electrical Installations - 16 - Markings (110.21).aac - 10.9 MB
Article 110 - Requirements for Electrical Installations - 17 - Identification of Disconnecting Means (110.22).aac - 1.39 MB
Article 110 - Requirements for Electrical Installations - 18 - Available Fault Current (110.24).aac - 4.62 MB
Article 110 - Requirements for Electrical Installations - 19 - Lockable Disconnecting Means (110.25).aac - 5.87 MB
Article 110 - Requirements for Electrical Installations - 20 - Spaces About Electrical Equipment (110.26).aac - 90.8 MB
Article 110 - Requirements for Electrical Installations - 21 - Enclosure Types (110.28).aac - 17.7 MB
Dedication - 01 - Dedication.aac - 481 kB
Introduction - 01 - Introduction.aac - 1.07 MB
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Mike Holt - Understanding the National Electrical Code Volume 1 - 2020 NEC