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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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  • E3704.2

    Feeder Loads

    • Feeder load uses the standard calculation with its demand factors (NEC 220.40).

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

  • E3705.5.3

    Small Conductors

    • Small conductors are protected at no more than 15 A for 14 Cu, 20 A for 12 Cu, 30 A for 10 Cu; 15 A for 12 Al, 25 A for 10 Al, 30 A for 8 Al (NEC 240.4(D)).

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

  • E3901.7

    Outdoor Outlets

    • Front and back of each dwelling with grade access get an outdoor receptacle reachable from grade, no more than 6 ft 6 in up; decks, porches and balconies get one within 6 ft 6 in of the surface (NEC 210.52(E)).

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

  • E3905.1.7

    Wiring Methods With Interior Access

    • Wireways, multioutlet assemblies, gutters and surface raceways with accessible removable covers need no separate boxes (NEC 300.15(A)).

    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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