Which of the following statements conforms to the principle of safe electricity use is_______
A. There is one hole in the three-hole socket for connecting the ground wire
B. The switch is installed between the lamp and neutral
C. Simultaneous use of multiple high-power appliances in home circuits
D. The tripping of the air switch in the home circuit must be caused by a short circuit
Answer:A
Which of the following statements conforms to the principle of safe electricity use is_______
A. There is one hole in the three-hole socket for connecting the ground wire B. The switch is installed between the lamp and neutral C. Simultaneous use of multiple high-power appliances in home circuits D. The tripping of the air switch in the home circuit must be caused by a short circuit