Let’s talk about arc flash labels. As I travel around the country teaching 70E classes, refresher and awareness classes and what have you, I see a lot of confusion about when the labels need to go on, what needs to be on them, what can’t be on them, things like that. So let’s talk about…
OSHA Training Requirements For Electrical Safety Based on the number of questions I get from clients, the electrical safety-related OSHA training requirements can be confusing. In simple terms, a company has to provide electrical safety-related work practices and train employees on them. A worker has to be qualified, trained and can demonstrate skills, on any…
The Main Circuit Breaker For This Control Panel Doesn’t De-energize The Panel Introduction This control panel is like thousands of control panels out in facilities today, and maybe even many in your facility. It controls a machine on the factory floor. It has four motor starters, individual circuit breakers for those motor circuits, ice cube…
Avoiding tight fitting clothing is essential if that clothing is being worn to protect you against the thermal effects of an arc flash. NFPA 70E states that the worker must avoid tight-fitting arc flash gear and that loose fitting clothes provide more thermal protection because of the “air spaces.”
I began my first job in electrical maintenance when I was hired in at Terre Haute Malleable and Manufacturing Company in 1984; a long-since-closed iron foundry in Terre Haute, Indiana. It was a one-hundred-year-old facility, dark, with dirt floors made of sand and coal dust and known by the workers as The Malleable. Some…
70E Topics Snapshot Introduction This is meant to serve as a snapshot of important 70E topics. Before work begins on equipment that would expose workers to electrical hazards, it must be de-energized, unless you can justify working live. OSHA and 70E are clear on this. The three ways to justify working live are if de-energizing…
Electrical safety in an R&D facility or laboratory can be challenging. The rules for R&D labs have been broadened in the 2018 edition of NFPA 70E.
You know your crew needs to wear FR clothing that meets a certain arc rating. But do you understand what that protection level means or how FR fabric gets its arc rating?
Liability In Arc Flash Incidents A great article from our friends at Westex. Last year, a Los Angeles County jury found Qualcomm liable for $7.1 million[1] in damages as a result of a burn incident. Qualcomm, a telecommunications equipment company, was found negligent in an electrical fire incident, where a third-party contractor suffered third-degree burns…
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