Welcome to the Arc Flash Info Center

In our work with industrial customers across the U.S., we're frequently asked about arc flash hazards—what they are, how to protect workers from them, and how various regulations affect plant procedures.

Because Mersen has been heavily involved with arc flash testing and research, we have a wealth of experience to share. So we've developed this website to provide a reliable source of information about this vital, still-evolving topic.

Here's where you'll find answers to your questions about:

The current emphasis on arc flash
Hazards created by arc flash and arc blast
What you need to do to protect workers and comply with
OSHA requirements
Regulations that impact plant operations, including NFPA 70 and NFPA 70E
Arc flash hazard analysis
The hazards of arcing faults
Solutions and services Mersen offers

We'll be adding to the site regularly, so be sure to register for our "Keep Me Informed" e-mail alerts—we'll send you updates as information becomes available. Visit our FAQs also. Have other questions? E-mail us or call Technical Services for fast, accurate answers.

Arc Flash Calculator A handy calculator to determine incident heat energy and required PPE category