Distribution transformers - distribution equipment maintenance should pay attention to the issue

1) must be carried out before servicing the power switch before a trip down and hoisted the blackout signs. Then examine the electrical pen Verify be repaired device is powered-down before maintenance;
2) maintenance must be two people there, a repair, a guardianship;
3) Maintenance  circuit breakers  must be familiar with power distribution unit of the professional electrician;
4) Maintenance personnel must wear protective equipment, the use of electrical insulated tools
5) Replace appliances must be consistent with the original specifications, prohibit the use of  power transformers  substitutes;
6) Maintenance, not free to change the original distribution equipment wiring, electrical switches must not be arbitrarily removed first wife;
7) maintenance ends, should be separated from power distribution unit, and then begin progressively closing the supply side is energized, make sure the power is turned on with the electroscope, and then down a power test
8) while repairs are completed, removed the power switch on a power outage and hanging signs.