Skip to main content
    Pro Reference Trades Suite
    Sign InCreate accountAdminUpgrade
    Back to state codes

    Electrical Code Adoption

    Indiana Electrical Code: NEC 2017

    Indiana follows NEC 2017 as the basis for electrical work. Permits and inspections are issued by the local Authority Having Jurisdiction (AHJ), which may publish additional amendments.

    Adoption details

    Model code family
    NEC (NFPA 70)
    Adopted edition
    NEC 2017
    Last verified
    2026-05-29

    Note: Indiana Electrical Code (675 IAC 17) lags federal cycle.

    Related resources for Indiana

    Frequently Asked Questions

    What electrical code does Indiana use?

    Indiana currently follows NEC 2017 for electrical work. Always confirm the in-force edition with the local Authority Having Jurisdiction (AHJ) — county or city amendments can apply.

    Do I need a permit for electrical work in Indiana?

    Most electrical work in Indiana — including new installations, system replacement, and gas-fueled appliance hookups — requires a permit from the local building department and an inspection at completion. Homeowner permits are typically allowed for owner-occupied residences; commercial work requires a licensed contractor.

    Where do I check Indiana electrical code amendments?

    Local jurisdictions (city or county) often publish amendments on the state's building-codes board website or in the municipal code. The current NEC 2017 text is published by its model-code body (ICC, IAPMO, or NFPA depending on the trade).

    Are there any unusual electrical requirements in Indiana?

    Indiana Electrical Code (675 IAC 17) lags federal cycle.

    Reference guidance only — adoption editions and local amendments vary by city or county. Always confirm requirements with your local Authority Having Jurisdiction (AHJ) before designing, permitting, or constructing.

    Pro launch updates

    Get notified when Pro launches, plus a monthly code-change digest. Email only — no account required.