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【Daily Question】Question from Issue 20151104

2015-11-04View Original

Thread Content

Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. The sequence of operation for circuit breakers, isolating switches, and grounding switches when disconnecting electrical equipment (circuits) from the power source is ( ). A. Open the circuit breaker, then open the isolator, and finally close the ground switch. B. Open the circuit breaker, close the ground switch, and finally open the isolator. [Production and Management Division] Seeking moderators and technical discussants to join
Reply #22015-11-04
The sequence of operation for circuit breakers, isolators, and ground switches when disconnecting electrical equipment (circuits) from the power supply is (A).
Reply #32015-11-04
The sequence of operation for circuit breakers, isolators, and ground switches when disconnecting electrical equipment (circuits) from the power supply is (A: first close the circuit breaker, then close the isolator, and finally close the ground switch).
Reply #42015-11-04
The sequence of operation for circuit breakers, isolators, and ground switches when disconnecting electrical equipment (circuits) from the power supply is (A). A. Open the circuit breaker, then open the isolator, and finally close the ground switch. B. Open the circuit breaker, close the ground switch, and finally open the isolator
Reply #52015-11-04
A、--------------------------------------------------------
Reply #62015-11-04
Choose A: first disconnect the circuit breaker, then the isolator, and finally close the ground switch.
Reply #72015-11-04
A. First, open the circuit breaker, then open the isolator, and finally close the grounding switch
Reply #82015-11-04
The answer is A................................
Reply #92015-11-04
The sequence of operation for circuit breakers, isolators, and ground switches when disconnecting electrical equipment (circuits) from the power supply is (A: first close the circuit breaker, then close the isolator, and finally close the ground switch).
Reply #102015-11-04
The sequence of operation for circuit breakers, isolating switches, and grounding switches when disconnecting electrical equipment (circuits) from the power source is ( ). A. First, open the circuit breaker, then open the isolator, and finally close the grounding switch
Reply #112015-11-04
My answer: A. . . . . . . . . . . . . .

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