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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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  • E3601.7

    Maximum Number of Disconnects

    • One disconnect per service unless one of the grouped methods is used, and never more than six grouped disconnects (NEC 230.71).

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

  • E3404.6

    Unused Openings

    • Unused openings are closed; metal plugs in nonmetallic boxes are recessed at least 1/4 in (NEC 110.12(A)).

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

  • E3906.3

    Conductors and Cables Entering Through Raceways

    • Conductors in a complete raceway between boxes need no extra securing (NEC 314.17(B)(3)).

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

  • E3601.8

    Emergency Disconnects

    • Dwelling service conductors end in an outdoor, readily accessible emergency disconnect rated for the available fault current and marked in white letters at least 1/2 in high on red (NEC 230.85).

    Local review: The outdoor emergency disconnect is a 2023 NEC requirement; confirm San Antonio's adopted NEC edition and CPS Energy's meter-disconnect rules before relying on it.

    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.

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