1. should be tested before and after the power supply is connected. 2. Control of high voltage distribution board motor testing should strictly follow the test equipment recommended by the manufacturer.
1. Tests should be carried out before and after the power supply is connected. 2. Tests on high-voltage motor control panels should strictly follow the tests recommended by the equipment manufacturer.
1. Tests shall be carried out before and after connecting the power supply. 2. The test on the high voltage motor control distribution board shall strictly follow the test recommended by the equipment manufacturer.<br>