Electrical · Insurance

Electrical insurance

Home insurers underwrite electrical risk because electrical distribution systems are among the leading causes of residential structure fires — ESFI cites roughly 51,000 home electrical fires and $1.3 billion in property damage a year. Carriers commonly ask about wiring type, panel brand and age. Requirements vary by carrier and state, so ask your own insurer directly rather than relying on general guidance.

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Underwriting questions cluster around three things: what the branch wiring is (knob-and-tube and older aluminum branch circuits draw the most attention), what the panel is, and whether recent electrical work was permitted and inspected.

Carrier practice is not uniform. Some will not write a new policy on a home with knob-and-tube; some will with a surcharge; some require a licensed electrician's inspection letter. The same variability applies to panel brands. Because it varies, we will not tell you what your carrier will do — call and ask, in writing, before you buy a home or before you decide whether to remediate.

The permit issue is the one homeowners underestimate. An inspection record is evidence that the work met the jurisdiction's adopted code. Without it, you are relying on the contractor's word after a loss, which is a bad position to be in.

Practical sequencing: if you are buying an older home, get the electrical inspection and an insurance quote before your contingency period ends. Discovering an insurability problem after closing is a much worse day than discovering it before.

How to choose

Ask your carrier the underwriting questions upfront: Wiring type, panel make and age, service amperage, date of last electrical work. Get the answer in writing from your agent.
Keep permits and inspection records: These are the documents that make a claim straightforward. Store them with your policy.
Get an electrician's letter for remediation: If you remediate aluminum wiring or replace a flagged panel, get a written, dated letter from the licensed contractor. Carriers ask for exactly this.
Insure during the contingency period, not after closing: Get a real insurance quote on an older home before you are committed. It sometimes changes the purchase price conversation.
Do not let a contractor use insurance as a scare tactic: 'Your insurer will cancel you' is a claim about your specific policy. Verify it with your agent before spending thousands on it.

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FAQ

Electrical insurance — common questions

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Will insurance cover an electrical fire?

Standard homeowners policies generally cover fire damage, including fires of electrical origin. Where disputes arise is around material misrepresentation on the application (for example, not disclosing wiring type when asked) and, in some cases, around unpermitted work. Read your policy's conditions and ask your agent about your specific situation.

Does knob-and-tube wiring make a home uninsurable?

It depends entirely on the carrier and the state. Some decline, some surcharge, some accept with an electrician's inspection letter. Because practice varies so much, get a written answer from your own carrier or a broker before assuming either outcome.

Do I have to tell my insurer about electrical upgrades?

Telling them is usually in your interest — a documented panel upgrade or rewire can improve underwriting. It is also a good habit because policies typically require accurate information at renewal. Send the permit and inspection record with the notification.

Will unpermitted electrical work void my coverage?

Not automatically, and this is often overstated by contractors selling upgrades. It can, however, complicate a claim and is routinely flagged at resale. The safer framing: a permit and inspection record is cheap insurance for your insurance. Confirm the specifics with your carrier.

Sources

Where these figures come from

ESFI — Home Electrical Fires · retrieved 2026-07-25