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…
Make sure these get done! De-energize. Unless the employer can justify live work, it is not permitted. Live testing and troubleshooting are allowed, but altering the circuit live is difficult to justify. Workers must be qualified for each electrical task they perform, and the electrical hazard they are exposed to. Workers must know how to…
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…
I want to thank the Central Indiana ASSE, the Indiana Chamber of Commerce and most of all the 50 people that attended my talk today, at the Indiana Safety and Health Conference, Electrical Safety For Managers, Updated For 2018 70E. It was a fun session and a great turnout. Watch for next years conference February 26-28,…
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…
When selecting arc flash PPE using the category method; the fault current and clearing time parameters are key to doing it correctly. It’s time we got serious about these parameters
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