Arc Flash, Part 5: How NFPA 70B and Infrared Protect What 70E Assumes

When most organizations think about arc flash safety, they jump straight to PPE, labels, and safe work practices. Those are critical parts of NFPA 70E compliance. But here’s a reality that often gets overlooked: Your arc flash study is only accurate if your equipment is operating the way it did the day it left the factory.

And that assumption is rarely true.

Connections loosen, breakers age, dust builds up, and components overheat. Over time, neglected maintenance quietly changes how electrical equipment performs, and that changes how it fails. When failure behavior changes, so does your arc flash risk.

That’s where NFPA 70B comes in.

Check it out ->Arc Flash, Part 5