Problem: Electrical faults can occur on a construction site if the correct measures aren’t taken when removing old wires or installing new electrical fittings, as well as powering generators and cordless tools.Solution: Quality control. In accordance with relevant regulations, all electrical installations must be thoroughly inspected and PAT tested. In terms of general housekeeping, employees must make sure that all power tools and sockets are turned off when not in use, and that any faulty equipment is removed immediately.