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Extension Cord Safety: 6 Checks Against Damage and Overload

Keep cords out from under rugs and doors, check for damage and rated loads, and connect major appliances directly to wall outlets.

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U.S. Fire Administration

U.S. Fire Administration guidance for home electrical and extension-cord safety.

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Based on U.S. Fire Administration home electrical-safety guidance. Voltage, plugs and certifications vary by country; follow local electrical standards and product markings.

Your try-it-at-home checklist

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1. Before use, inspect the plug, insulation and sockets for cracking, exposed wire and heat discoloration.
2. Check the ratings of the wall outlet, extension cord and connected devices; never exceed their limits.
3. Plug large appliances, including refrigerators, washers and dryers, directly into wall outlets.
4. Do not route cords under rugs or carpets, through closing doors or where furniture can crush them.
5. Fully insert plugs; stop using any connection that feels loose or unusually hot.
6. Replace worn or damaged extension cords rather than covering damage with tape. Have faulty outlets checked by a qualified electrician.

U.S. Fire Administration guidance for home electrical and extension-cord safety.

Your try-it-at-home checklist

Further reading

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