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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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  • E4206.1

    Transformers and Power Supplies

    • Underwater luminaire transformers and power supplies are listed for pools, isolated-winding with a grounded barrier or double-insulated (NEC 680.23(A)(2)).

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

  • E4207.2

    Ground-Fault Circuit Interrupters Required

    • Storable pool equipment and cords are GFCI-protected, and receptacles within 20 ft get Class A GFCI (NEC 680.32).

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

  • E4303.1

    Wiring Methods on Supply Side of Class 2 Power Source

    • Supply-side wiring follows Chapters 34 to 41 with overcurrent protection of 20 A max; transformer input leads may be under 14 AWG if 12 in or shorter, 600 V insulated, and never under 18 AWG (NEC 725.127).

    International Residential Code, 2024 · Chapter 43, Class 2 Remote-Control, Signaling and Power-Limited CircuitsRead the full text (opens UpCodes in a new tab)

  • E3906.8.3

    Mounting in Finished Surfaces

    • Boxes in finished surfaces are held by identified clamps, anchors or fittings (NEC 314.23(C)).

    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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