With the improvement of people's living standards, the types and numbers of household electrical appliances are increasing, which brings convenience to our lives and also brings security risks. Which of the following is correct___
A. The switch should be connected between the lamp and neutral
B. The metal shell of the electrical appliance does not need a ground wire
C. In the existing lighting circuit, when adding high-power electrical appliances, you only need to replace the fuse with a thick enough
D. When the circuit is cut off by the fuse device, the cause of the accident should be found first, and then the power supply should be restored after elimination.
Answer:D
With the improvement of people's living standards, the types and numbers of household electrical appliances are increasing, which brings convenience to our lives and also brings security risks. Which of the following is correct___
A. The switch should be connected between the lamp and neutral B. The metal shell of the electrical appliance does not need a ground wire C. In the existing lighting circuit, when adding high-power electrical appliances, you only need to replace the fuse with a thick enough D. When the circuit is cut off by the fuse device, the cause of the accident should be found first, and then the power supply should be restored after elimination.