Living items · Electrical safety

Extension cords are temporary: check routing and load

Avoid running extension cords under rugs or powering major appliances with them. Check damage, ratings and placement in six steps.

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Extension cords are not a permanent substitute for adequate outlets. The U.S. Fire Administration advises plugging major appliances directly into wall outlets, replacing damaged cords and keeping wiring out from under carpets. Follow local electrical rules and the product manual.

Your try-it-at-home checklist

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Decide whether the cord is for short-term use. If an outlet is needed there permanently, ask a qualified electrician about adding one.
Switch off and unplug before visually checking the cord and plug for cracks, crushed sections, discoloration or looseness. Stop using damaged equipment.
Compare the appliance load with the cord's rated capacity, grounding and environmental markings. Do not exceed the rating or daisy-chain cords.
Keep cords away from rugs, carpets, door gaps, walkways, pinch points under furniture and wet areas.
Plug major appliances such as refrigerators, washers and dryers, and heat-producing space heaters, directly into suitable wall outlets as their manuals require.
If a plug overheats, smells burnt, sparks or repeatedly trips a breaker, stop use, disconnect power only if safe and request a qualified electrical inspection.

Your try-it-at-home checklist

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