Abstract: Two brothers were working from a platform, installing an overhead door. The platform was supported by the forks of a Turbo lift fork truck. One of the employees was using a 30-meter-long, 120-volt extension cord set attached to a Milwaukee double-insulated screw gun. The pin for the equipment grounding conductor was missing from the plug on the cord set. As he was lifting the door's spring and shaft assembly into place, one of the employees was electrocuted when he contacted a grounded portion of the building. (The cause of the electrocution was not reported.) His brother was taken to a hospital, where he was checked out and released the same day.