Extension cords are convenient—but using one that’s longer than needed and left coiled or bunched up can be dangerous. Trapped heat from excess cord can lead to overheating, damaged insulation, tripped breakers, and even fire hazards. This blog explains why extension cords should always be fully uncoiled, properly sized for the job, and used only as a temporary solution—and when it’s time to call a professional electrician for a safer, permanent fix.