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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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  • E3701.2.2

    Ampacity Adjustment or Correction

    • Conductors also carry the maximum load after correction and adjustment factors; a feeder neutral not on an overcurrent device may be sized at 100% (NEC 210.19(A), 215.2(A)).

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

  • E3909.1

    Where Permitted

    • Cords are for removable or interchangeable appliances and portable equipment, never a substitute for fixed wiring, concealed, run through walls/ceilings/floors, or attached to surfaces (NEC 400.10, 400.12).

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

  • E3901.9

    Basements, Garages and Accessory Buildings

    • At least one receptacle in each unfinished basement portion, each garage vehicle bay (no higher than 5.5 ft) and each powered accessory building; a security-system-only receptacle doesn't count (NEC 210.52(G)).

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

  • E3905.4.1

    Outlet Boxes Without Enclosed Devices or Utilization Equipment

    • Boxes without devices are at least 1/2 in deep (NEC 314.24(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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