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Which of the following is NOT a requirement for marking on circuit breakers?
Which of the following is NOT a requirement for marking on circuit breakers?
What is the purpose of the 28-day test for circuit breakers?
What is the purpose of the 28-day test for circuit breakers?
Which of the following is a requirement for protection against electric shock?
Which of the following is a requirement for protection against electric shock?
What is the purpose of the dielectric properties test for circuit breakers?
What is the purpose of the dielectric properties test for circuit breakers?
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What is the requirement for reliability of screws, current carrying parts, and connections in circuit breakers?
What is the requirement for reliability of screws, current carrying parts, and connections in circuit breakers?
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