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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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  • E3908.12.1

    Aluminum and Copper-Clad Aluminum Equipment Grounding Conductors

    • Bare aluminum EGCs avoid corrosive conditions, concrete, masonry and earth, and terminate at least 18 in above the earth outdoors (NEC 250.120(B)).

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

  • E4003.6

    Thermal Protection

    • Indoor fluorescent ballasts have integral thermal protection, replacements too (NEC 410.130(E)).

    International Residential Code, 2024 · Chapter 40, Devices and LuminairesRead the full text (opens UpCodes in a new tab)

  • E3401.1

    Applicability

    • Chapters 34 to 43 cover the wiring methods common in one- and two-family homes; other NFPA 70 methods are also allowed.

    Local review: San Antonio adopts the National Electrical Code directly with local amendments, and Texas requires licensed electricians; confirm the city's adopted NEC edition before relying on these 2023-based values.

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

  • E3901.2.4

    Countertop and Similar Work Surface Receptacles Outlets

    • Countertop receptacles don't count toward the wall-space receptacles (NEC 210.52(A)(4)).

    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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