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• E3903.3.1

  Stairway Lighting Outlet Control

  • Interior stairs with six or more risers get controls at each floor and landing entry; dimmers must reach full brightness from every control (NEC 210.70(A)(2)).

  International Residential Code, 2024 · Chapter 39, Power and Lighting DistributionRead the full text (opens UpCodes in a new tab)

• E3603

  Service, Feeder and Grounding Electrode Conductor Sizing

  International Residential Code, 2024 · Chapter 36, ServicesRead the full text (opens UpCodes in a new tab)

• E3704

  Feeder Requirements

  International Residential Code, 2024 · Chapter 37, Branch Circuit and Feeder RequirementsRead the full text (opens UpCodes in a new tab)

• E3401.3

  Not Covered

  • Utility-controlled installations and services over 400 A are outside these chapters.

  International Residential Code, 2024 · Chapter 34, General RequirementsRead the full text (opens UpCodes in a new tab)

• E4201

  General

  International Residential Code, 2024 · Chapter 42, Swimming PoolsRead the full text (opens UpCodes in a new tab)

• E3701

  General

  International Residential Code, 2024 · Chapter 37, Branch Circuit and Feeder RequirementsRead the full text (opens UpCodes in a new tab)

• E4207.5

  Clearances

  • Storable pools follow the overhead and underground clearance rules (NEC 680.30).

  Works withE4203.7E4203.8

  International Residential Code, 2024 · Chapter 42, Swimming PoolsRead the full text (opens UpCodes in a new tab)

• E4001.15

  Switches Controlling Lighting Loads

  • A neutral is brought to lighting switch locations in bathrooms, halls, stairs and habitable rooms (one location if the whole room is visible), with up to 5 electronic switches per circuit and 25 per feeder (NEC 404.2(C)).

  International Residential Code, 2024 · Chapter 40, Devices and LuminairesRead the full text (opens UpCodes in a new tab)

Searches all 4,276 IRC 2024 sections, 5,532 IBC 2024 sections and defined terms (Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 so far) and each city's local rules as they are added. Section numbers and titles from the International Residential Code and International Building Code, 2024 editions, copyrighted by the International Code Council; the IRC's electrical chapters (34 to 43) follow NFPA 70, the National Electrical Code. Requirements are summarized in our words (IRC Chapters 3 to 43, IBC Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33); read the full text at the link on each result. Local values come from each city's published documents.