5 Things to Know About Extension Cords With Built-In Breakers

Built-in breakers protect against overloads The breaker trips when current exceeds the cord’s rating, preventing the wire from overheating and causing a fire. It works like a resettable fuse.

They do not protect against short circuits or ground faults A built-in breaker only handles overloads. For shock protection, you need a GFCI cord or outlet.

The convenience is worth the small extra cost When the breaker trips, you just push a button to reset it. No hunting for a replacement fuse.

Cheap breakers can fail, but it is rare Low-quality breakers may wear out or get stuck in the closed position. Stick with name-brand cords from Southwire, Woods, or Coleman.

Do not use the breaker as an excuse to overload the cord A breaker does not make a skinny 16-gauge cord safe for a space heater. Match the cord gauge to the device’s power draw.