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• E4001.10

  Box Mounted

  • Switches in recessed boxes seat their plaster ears on the wall; flush boxes seat the yoke on the box; mounting screws are listed or 32 TPI machine screws (NEC 404.10(B)).

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

• E3905

  Boxes, Conduit Bodies and Fittings

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

• E3404.11

  Equipment Identification

  • Equipment carries the maker's mark and ratings; reconditioned equipment is marked with the reconditioner, date and 'reconditioned', with the original listing mark removed (NEC 110.21(A)).

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

• E4203

  Equipment Location and Clearances

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

• E4304.4

  Class 2 Cables With Other Circuit Cables

  • Jacketed Class 2 cables may share raceways with jacketed power-limited fire alarm, optical fiber, communications, CATV and low-power broadband cables (NEC 725.139(E)).

  International Residential Code, 2024 · Chapter 43, Class 2 Remote-Control, Signaling and Power-Limited CircuitsRead the full text (opens UpCodes in a new tab)

• E4001

  Switches

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

• E3601.7.2

  Panelboards

  • Two to six separate panelboards, each with one main disconnect, are allowed.

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

• E3602

  Service Size and Rating

  International Residential Code, 2024 · Chapter 36, ServicesRead 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.