What Really Triggers an Arc Flash? Myths vs Reality 

What Really Triggers an Arc Flash? Myths vs Reality 

by | Sep 13, 2025 | Articles

Ask ten people what starts an arcflash and you’ll hear everything from “it only happens above 600 V” to “PPE fixes the problem.” After twentyodd years crawling through switchrooms, I’ve learned that most of those answers are—well—half right at best. Let’s unpack the...