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Electrical Safety Blog
Learn about the latest electrical safety, compliance and maintenance best practices.
Written by Guidant engineers and electrical training experts.
NFPA70
Beyond the 40 Cal/cm² Myth: What You Must Know About High-Energy Arc Flash and Arc Blast Hazards
For years, a persistent myth has circulated in the electrical safety world: “Anything above 40 cal/cm² will kill you instantly.” a...
Jeff Kershner
Sep 85 min read
He Followed NFPA 70E® — That’s Why He Went Home Safe
Real story. Real risk. The right precautions made all the difference. We buckle our seatbelt not because we expect to crash, but because...
Jeff Kershner
Aug 182 min read
How Often Should You Test Transformer Oil, and How to Do It Right
Transformer failures can be catastrophic. At best, they interrupt operations. At worst, they cause fires, widespread downtime, or...
Brian Hall
Jul 283 min read
What To Do When You See a New Arc Flash Label
Everyday scenarios—and how to stay safe when the stakes are high Imagine this: you’ve operated the same equipment safely for 20 years....
Jeff Kershner
Jul 214 min read
How to Evaluate Normal Operating Conditions in Electrical Safety
Does “normal operation” mean you can skip PPE? Sometimes, but only when specific conditions are met. Learn how to identify when equipment is safe to operate and when it’s not, and when in doubt, ask an expert.
Jeff Kershner
Jun 23 min read
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