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Search the building code.

Every 2024 IRC section and the IBC as it loads, by number or topic, plus the local rules for your city. Free to search.

Detached houses, duplexes and townhouses up to 3 stories with their own exits use the IRC; every other building uses the IBC (IBC 101.2).

A random sample from 677 sections for San Antonio, TX, the 2024 IRC

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  • E3803.1

    Minimum Cover Requirements

    • Buried cables and raceways meet minimum cover: 24 in cable, 6 in RMC/IMC, 18 in PVC, 12 in for 20 A GFCI 120 V circuits, 6 in for 30 V landscape, less under slabs and buildings (NEC 300.5(A)).

    International Residential Code, 2024 · Chapter 38, Wiring MethodsRead 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)

  • E4003.11

    Bathtub and Shower Areas

    • No pendants, cord or chain-hung fixtures, track or fan light kits within 3 ft horizontally and 8 ft above a tub rim or shower threshold; fixtures over the tub/shower are damp- or wet-rated, wet if in spray (NEC 410.10(D)).

    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.

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