How Long Does a Extension Cord Last?

A extension cord typically lasts 15 to 21 years, depending on usage, build quality, and environment. Regular care can extend its lifespan, while heavy wear may shorten it.

Average lifespan of a extension cord

Most extension cords fall within the range of 15 to 21 years. Higher-quality materials and lighter use can help extend service life.

What affects how long a extension cord lasts

Frequent use, moisture, dust, and mechanical strain all influence durability. Routine cleaning and proper handling reduce wear.

Signs a extension cord needs replacing

Common signs include visible wear, reduced performance, cracks, corrosion, or repeated small failures.

How to make a extension cord last longer

Keep it clean, avoid overloading, and address minor problems early to extend lifespan.

When replacement is necessary

Replacement is necessary when it no longer performs safely or efficiently.