ETT Study Guide Book 3: Component Testing

F. Circuit Breakers

1. Properties and Types

Identify properties, types, and applications 2, 3, 4

2. Inspection and Test Procedures

Apply visual and mechanical inspections 2, 3, 4

Important Standards
Lubrication
General Maintenance

Employ methods and procedures for electrical tests 2, 3, 4

Important Standards
Zone Interlocking
Circuit Breaker Testing Guides
Vacuum Integrity
Power Factor
Timing Tests

3. Interpretation of Test Results

Evaluate results of electrical tests 2, 3, 4

Important Standards
Last Update: May 25, 2022