4.Speed up the transformation of old wires to eliminate fire hazards. Old enterprises, old communities and other units, due to the longer use time, many wires have been aging, has exceeded the service life. Although the carrying capacity of some cables is not large, it is difficult for the aging wires to bear such carrying capacity, and there is also the risk of overload. Especially in the old residential areas, the electrical wires have long been aging, but with the improvement of people's living standards, the increasing number of household appliances, its power consumption is increasing year by year, is really worse. For old wires, timely supervision, coordination, rectification as soon as possible, eliminate fire hazards, to ensure safety.