Electrical Technology 2020-2-3
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True or False question: Please answer whether it is correct or incorrect. 3 points for a correct answer, 2 points for an incorrect answer, and 5 points for a detailed explanation of the reason. When connecting the busbar to the screw-type terminal, a copper tin-plated flat washer should be placed between the nut and the busbar, along with a spring washer.
Error: When connecting the busbar to the screw-type terminal, the diameter of the busbar’s hole should not be 1 mm larger than the diameter of the screw-type terminal. The oxide film on the threads must be thoroughly cleaned, and the nut surface must be smooth. A copper tinned flat washer must be placed between the nut and the busbar; spring washers are not allowed, and a locking nut should be used.