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CIRCUIT BREAKER

Definition: A switch that protects an electrical circuit from overload by opening the circuit when the current flow exceeds a predetermined level. Some circuit breakers must be reset manually, while most reset automatically.

Related Terms
Battery
Electrical System
Fuse
Relay

Related Resources:

Electrical Troubleshooting: Part 1
What tools you'll need to have and how to do it successfully.

Electrical Troubleshooting: Part 2
What tools you'll need to have and how to do it successfully.

DIY: Replacing Your Battery
A battery can last four to five years with proper care, although battery failure can occur in as little as three years in very cold or hot climates

The Charging System - Part 1: The Battery
A look at the charging system, the parts and how they work.

The Charging System - Part 2: The Alternator
A look at the charging system, the parts and how they work.

Power Shortage
Will the cars of the future have all the electrical power they need to operate efficiently?

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