3. De -energize the room with machine guns in an electric shield. Using the indicator, check carefully when the absence of the switch is turned on in the mounted voltage network. Having checked, translate the switch to the «off» position.
3. De -energize the room with machine guns in an electric shield. Using the indicator, check carefully when the absence of the switch is turned on in the mounted voltage network. Having checked, translate the switch to the «off» position.