Questions and Answers
Which of the following is NOT a requirement for marking on circuit breakers?
Operating temperature
What is the purpose of the 28-day test for circuit breakers?
To assess mechanical and electrical endurance
Which of the following is a requirement for protection against electric shock?
Using a test finger
What is the purpose of the dielectric properties test for circuit breakers?
Signup and view all the answers
What is the requirement for reliability of screws, current carrying parts, and connections in circuit breakers?
Signup and view all the answers
