Arc Flash Analysis

NEC 2026 Section 110.16 update series You see an arc flash label on a piece of equipment — it looks professional, durable, and official. But can you trust the numbers printed on it? As the NEC 2026 Section 110.16 update expands labeling requirements , more equipment will carry arc flash stickers. Unfortunately, not all of them are based on valid engineering data. A label applied without proper calculations is worse than useless, because it gives a false sense of safety. This

NEC 2026 Section 110.16 update series The 2026 edition of the National Electrical Code (NEC) introduces major updates to Section 110.16 – Arc-Flash Hazard Marking, broadening the range of electrical equipment that must display arc-flash hazard labels. a Guidant Power arc flash label Hazard Labels Now Required on a Wider Variety of Equipment In previous NEC editions, labeling was only required on service equipment or feeder-supplied equipment rated 1,000 amps or higher. Under

When budgets get tight, safety programs often get pushed to the back burner. corporate executives discussing safety budgets Arc flash...

Proactive assessment protects your people and your business, it prevents injuries or fatalities, and also avoids costly downtime.

Everyday scenarios—and how to stay safe when the stakes are high Imagine this: you’ve operated the same equipment safely for 20 years....

When customers see a different label on one MCC door, they often question whether it's an error. Beware it may not be a mistake but may indicate the presence of a component that increases the arc flash hazard.

480V systems are among the most dangerous when it comes to arc flash. It’s not just the voltage—it’s the perfect combination of high fault current and sustained clearing time that makes 480V the “sweet spot” for serious incidents. Learn what makes it so hazardous and how to protect your team.

When you get a quote for an arc flash analysis, it’s tempting to look for alternatives. But shortcuts like table methods or extra PPE don’t guarantee safety or compliance.

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Trying to determine arc flash PPE using NFPA 70E’s Category tables is tricky, and mistakes are likely. Learn why incident energy calculations are better for determining arc flash protection.

Guidance to avoid severe injuries or fatalities caused by electrical arcs.

What is MAFC (Maximum Available Fault Current) and why is vital to understand it.