Fuses and Circuit Breakers
$49.00
Duration: 1h
This lesson describes fuses and circuit breakers, and how they work. This lesson shows and explains maintenance, testing, removing, and installing fuses and circuit breakers. This lesson discusses molded case, multiple, and ground fault circuit breakers.
Objectives:
- Describe the basic mode of operation of a fuse
- Identify the specification information
- Verify that a circuit is de-energized
- Select the proper replacement fuse and install it
- Describe the operation of a small, molded case circuit breaker
- Reset a tripped circuit breaker
- Explain circuit breaker sensing mechanisms and perform preventative maintenance on a circuit breaker panel
- Install a circuit breaker and identify one that is a multiple
- Use a characteristic trip curve to interpret test results
- Identify and test the operation of a ground fault circuit breaker and install it
