Using Personal Protective Grounds in Industrial Facilities

07/01/2008
You are sitting around waiting for the outage to begin. Your task is to perform preventive maintenance on the 15 kV class switchgear lineup feeding a large industrial facility. As seems typical of the situation, an argument is in full force over the need and adequacy of the personal protective grounds being applied. The local contractor intends to use what looks like a modified set of automobile jumper cables.