Skip to content
Built4UIQ
Log inSign up free

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 713 sections for San Antonio, TX, the 2024 IRC and IBC

Show another sample

  • E3802.9

    Locations exposed to direct sunlight

    • Conductors in direct sun are listed sunlight-resistant or covered with listed sunlight-resistant tape or sleeving (NEC 310.10(D)).

    International Residential Code, 2024 · Chapter 38, Wiring MethodsRead the full text (opens UpCodes in a new tab)

  • E3802.4

    In Unfinished Basements and Crawl Spaces

    • In unfinished basements and crawl spaces, NM/SE cable of 2-#6 or 3-#8 and larger may run on joist bottoms; smaller goes through bores or running boards; wall runs may be sleeved, sheath 1/4 in into the box and secured within 12 in (NEC 334.15(C)).

    International Residential Code, 2024 · Chapter 38, Wiring MethodsRead the full text (opens UpCodes in a new tab)

  • E3908.15

    Connecting Receptacle Grounding Terminal to an Equipment Grounding Conductor

    • A bonding jumper connects the receptacle ground to a grounded metal box, except surface boxes with direct contact, listed self-grounding yokes or listed floor boxes (NEC 250.146).

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

  • E3701.1

    Scope

    • Chapter 37 covers branch circuits and feeders serving less than the whole dwelling load; a feeder carrying the whole load is sized like a service (NEC 310.12(B)).

    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.

Check your plans against these codes

Start an application and get every flag with its section and fix.

Start an application