Attention to roll forming machine power 1, electrician must understand workshop of the type of lines and equipment performance, not know the performance of its equipment, the use of cannot risk. 2, electrician to set a time check the status of motor and electric control units and check to see situation, under the condition of a certain processing as quickly as possible.Check degree of motor cases, after check there was no electricity, according to the back of hand. 3, in addition to the temporary construction things electrical and measures, may not be a temporary line, can't disorderly hanging lamp, tools and welding equipment using smooth socket, previous line can not arbitrarily change. 4, according to delimit the timely inspection of care for his products, do not use the electrical product line to completely tear down.