High-voltage power-off operation process - Solutions - Huaqiang Electronic Network

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The electrician must ensure that he is safe, secondly to ensure the safety of others, and third, to ensure the safety of the equipment.
High-voltage shutdown power transmission process: the operator can contact the dispatcher or the operation personnel before operating.
In the order of power failure, first switch the switch to “local”. At this time, turn another switch or button (green) to the position and open the door. (Is it successful to see whether the indicator light on the switch cabinet is changed from red to red? Green), use the rocker to shake out the handcart, check if the indicator light on the switchgear is in place (the test position light is on, the working position light is off), close the grounding knife gate, and if necessary, turn off the secondary circuit leakage protector, in the transfer switch The operating handle is hung with a "No Prohibition, Someone Working" sign and report to the dispatcher or operator.
The order of power transmission and power failure is reversed.