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 677 sections for San Antonio, TX, the 2024 IRC

Show another sample

  • E3601.6.2

    Service Disconnect Location

    • The service disconnect is readily accessible, outdoors or indoors nearest where the conductors enter, never in a bathroom, and each occupant can reach their unit's disconnect (NEC 230.70(A), 230.72(C)).

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

  • E3406.10

    Terminals

    • Conductors terminate in pressure connectors, flexible-lead splices, or (10 AWG and smaller) binding screws; multi-wire and aluminum terminals are identified (NEC 110.14(A)).

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

  • E3607.3.2

    Grounded Conductor, Existing Premises

    • Older installs that grounded the neutral at a second building may stay if there's no EGC, no parallel metal path and no ground-fault protection, with the neutral sized to the larger of E3704.3 or E3908.13 (NEC 250.32(B)(1) Exc).

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

  • E3406.6

    Conductors in Parallel

    • Parallel conductors are 1/0 AWG or larger, matched in length, material, size and insulation, with matching raceways (NEC 310.10(G)).

    International Residential Code, 2024 · Chapter 34, General 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