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• E3705.3

  Adjustment Factor for Conductor Proximity

  • More than three current-carrying conductors in a raceway or cable, or cables bundled over 24 in, are derated; not for nipples of 24 in or less, and AC/MC rules differ (NEC 310.15(C)(1)).

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

• E3903

  Lighting Outlets

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

• E3702.12

  Branch Circuits for Air-Conditioning and Heat Pump Equipment

  • AC and heat pump conductors meet the nameplate minimum circuit ampacity, and the breaker is the size and type marked (NEC 440.4(B), 440.35).

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

• E3701.2.1

  Continuous Load

  • With continuous loads, conductors are sized for the noncontinuous load plus 125% of the continuous load.

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

• E3401

  General

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

• E3501

  General

  International Residential Code, 2024 · Chapter 35, Electrical DefinitionsRead the full text (opens UpCodes in a new tab)

• E4002

  Receptacles

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

• E4206.1

  Transformers and Power Supplies

  • Underwater luminaire transformers and power supplies are listed for pools, isolated-winding with a grounded barrier or double-insulated (NEC 680.23(A)(2)).

  International Residential Code, 2024 · Chapter 42, Swimming PoolsRead 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.