![]() To fix an electrical power-line problem, workers must first identify the cause through diagnostic testing with specialized equipment. To identify maintenance needs, electrical power-line installers and repairers check for outage reports from remote monitoring, aerial inspections, and customers. They use a variety of construction equipment, including trucks equipped with augers and cranes to dig holes and set poles in place. Workers generally start a new project by digging underground trenches or erecting utility poles and towers to carry the wires and cables. They also may work on traffic lights and street lights. Those who are employed by local utilities maintain equipment such as transformers, voltage regulators, and switches. They routinely work with high-voltage electricity, which requires extreme caution.Įlectrical power-line installers and repairers who maintain the interstate power grid work on crews that travel throughout a region to service transmission lines and towers.
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