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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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  • E3802.4

    In Unfinished Basements and Crawl Spaces

    • In unfinished basements and crawl spaces, NM/SE cable of 2-#6 or 3-#8 and larger may run on joist bottoms; smaller goes through bores or running boards; wall runs may be sleeved, sheath 1/4 in into the box and secured within 12 in (NEC 334.15(C)).

    International Residential Code, 2024 · Chapter 38, Wiring MethodsRead the full text (opens UpCodes in a new tab)

  • E3611.1

    Methods of Grounding Conductor Connection to Electrodes

    • GECs connect to electrodes by exothermic welding or listed lugs, connectors or clamps rated for burial where buried; no solder, one conductor per clamp unless listed (NEC 250.70(A)).

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

  • E3803.3

    Protection From Damage

    • Cables coming out of the ground are protected from the required cover depth (no more than 18 in) to 8 ft above grade, or to the building entry (NEC 300.5(D)).

    International Residential Code, 2024 · Chapter 38, Wiring MethodsRead the full text (opens UpCodes in a new tab)

  • E3802.2.1

    Across Framing Members

    • Cables across joists or rafters within 7 ft of the floor in an accessible attic get guard strips as high as the cable; without permanent stairs or a ladder, only within 6 ft of the opening (NEC 320.23(A)).

    International Residential Code, 2024 · Chapter 38, Wiring MethodsRead 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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