Electricians may also advise management on whether continued operation of equipment could be hazardous or not. When needed, they install new electrical equipment. When breakdowns occur, they must make the necessary repairs as quickly as possible in order to minimize inconvenience. Electricians may replace items such as circuit breakers, fuses, switches, electrical and electronic components, or wire. When working with complex electronic devices, they may work with engineers , engineering technicians , or industrial machinery repairers .
Electricians use handtools such as screwdrivers, pliers, knives, and hacksaws.
They also use power tools and testing equipment such as oscilloscopes, ammeters, and test lamps. They may stand for long periods of time and frequently work on ladders and scaffolds. Their working environment varies, depending on the type of job. Some may work in dusty, dirty, hot, or wet conditions, or in confined areas, ditches or other uncomfortable places. Some electricians may have to travel to job sites, which may be up to 100 miles away.