Energizing Your Future

ARC flash hazard safety

As the owner of electrical facilities, ATC is required by state and federal regulations to provide information on substation arc flash hazards to people who work on our facilities, including ATC employees, ATC contractors and the local electric companies.

Please direct your questions to ATC’s safety manager, Mark J. Balconi, at 262-832-8685 or

Use the links below to access the most current tables of arc flash hazards, PPE/FR clothing risk categories and clothing effectiveness.