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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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  • E3404.14

    Reconditioned Equipment

    • Reconditioned equipment is allowed where not prohibited, rebuilt with identified replacement parts (NEC 110.20).

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

  • E3902.21

    Arc-Fault Circuit Interrupter Protection

    • 120 V, 10-20 A outlets in kitchens, living, family, dining, bedrooms, closets, halls, laundry and similar areas get AFCI protection by a combination breaker or one of the allowed outlet-AFCI arrangements (home run 50 ft for 14 AWG, 70 ft for 12 AWG) (NEC 210.12(A)).

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

  • E4205.4

    Luminaires and Related Equipment

    • Underwater luminaire circuits carry an unspliced insulated copper EGC of at least 12 AWG back to the panelboard (NEC 680.23(F), 680.24(F)).

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

  • E3907.1.1

    Splices, Taps and Feed-Through Conductors

    • Feed-through and tap conductors fill no more than 40% of the wiring space (75% with splices), with a label naming the feed-through disconnect (NEC 312.8(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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