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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 713 sections for San Antonio, TX, the 2024 IRC and IBC

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  • E4209.6

    Method of Bonding

    • Bonding uses an 8 AWG solid copper jumper, with enough length left for a replacement non-double-insulated motor (NEC 680.74(B)).

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

  • E3704.4

    Lighting and General Use Receptacle Load

    • General lighting and receptacles are at least 3 VA per sq ft (33 VA/m²) measured to outside dimensions, excluding open porches and unfinishable spaces (NEC 220.5(C), 220.41).

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

  • E3903.3

    Additional Locations

    • Hallways, stairways, garages and the outside of each grade-level egress door (not vehicle doors) get a wall-controlled lighting outlet; a bulkhead stair light may be inside within 5 ft of the bottom riser (NEC 210.70(A)(2)).

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

  • E3906.5

    Flush-Mounted Installations

    • Boxes in noncombustible walls set back no more than 1/4 in; in combustible walls they're flush or project (NEC 314.20).

    International Residential Code, 2024 · Chapter 39, Power and Lighting DistributionRead 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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