1. Home
Send to a Friend via Email



Definition: Overcurrent is a condition in an electrical circuit when the current (amperage) in the circuit exceeds the rated amperage capacity of that circuit or of the connected equipment on that circuit. Overcurrent may be caused by a short circuit, loose connection, ground fault or surge power draw when a motor starts up.

Overcurrent protection is a term given to circuit breakers or fuses.

Also Known As: short, short circuit

Promotional Feature: View this video series to learn how to take good care of your house.

©2014 About.com. All rights reserved.