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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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  • E3605.1

    Insulation of Service-Entrance Conductors

    • Service-entrance conductors on or entering buildings are insulated, except some bare grounded conductors in raceway, cable or direct burial (NEC 230.41).

    Works withE3406.5

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

  • E3702.8

    Branch Circuits Serving Motor-Operated and Combination Loads

    • With a fixed motor over 1/8 hp plus other loads, count 125% of the largest motor plus the rest (NEC 220.11(A)).

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

  • E3604.2.2

    Vertical Clearance From Grade

    • Over grade: 10 ft at the service entrance, drip loop and pedestrian areas; 12 ft over residential property and driveways; 18 ft over streets and truck areas (NEC 230.24(B)).

    Local review: CPS Energy sets its own meter, service-drop and point-of-attachment requirements in San Antonio; check its service standards alongside these.

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

  • E3701.5.2

    Grouping

    • Multiwire circuit conductors are grouped by ties or markers in the panel unless the cable or raceway makes the grouping obvious (NEC 200.4(B), 210.4(D)).

    International Residential Code, 2024 · Chapter 37, Branch Circuit and Feeder RequirementsRead 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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