by , on December 13, 2012
A 53- year-old US Postal Service employee performing maintenance on the roof of a delivery & distribution center in Blackman Township, MI, touched a live wire.  The shock threw him backwards and off of the 16′ roof.  This is not arc blast but a shock event.  Wearing rubber insulating gloves prevents most of these events....
by , on December 12, 2012
Q&A from Littlefuse as published in Plant Engineering Magazine dated 10/29/12. Q: How much energy is in a typical arc-flash incident? Q: Do arc flash relays lower the required level of personal protective equipment (PPE)? Q: When working on an energized transformer, we use instantaneous settings at the feeder breaker relay. Can the arc flash...
by , on December 12, 2012
Steve Coleman, PE, and Aleen Mohammed, PE, of Burns & McDonnell Engineering have written a good article on the pitfalls that can cause erroneous results when conducting an arc flash study using one of the many software packages that can perform the analysis for you. Get the details from EC&M (Electrical Construction & Maintenance) webpage...
by , on December 12, 2012
Following Hurricane Sandy, here are some good pointers from a Popular Mechanics article on remaining electrically safe following floods: 1. Never go into a flood-damaged basement or a basement filled with water until the utility company, fire department, or a licensed electrician has removed the home’s electrical meter from its socket. 2. Once the building...
by , on November 30, 2012
Several maintenance workers from SP Ausnet in Wodonga were changing a transformer & came into contact with high-voltage power lines, suffering severe electric shock. Find out more from the BorderMail webpage dated 10/24/12.
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