by , on June 15, 2010
This news item in that on Friday 6-11-10 an NStar employee was hurt in an arc flash in a manhole in Boston, MA.  Manhole incidents can be very high arc flash energies since most of these systems have higher fault currents and the circuits are often slow acting on protection if protected at all. NStar...
by , on June 15, 2010
This is an excellent site I have used for years for my own medical info BUT I give it a B- on arc flash.  The electrical shock info is up-to-date and accurate but the arc flash has deficiencies. Click here to visit WebMD’s Electrical Injuries Article. WebMD says, “Electrical arcs: Current sparks are formed between...
by , on June 11, 2010
Click here and go to the Next Edition to download the ROP.
by , on June 11, 2010
This incident is either a utility contractor or worker most likely.  Breaking news but not clear if the worker was shocked by some backfeed source or an energized line.  This type of work is covered under OSHA 1910.269 for law and the consensus standard is the National Electrical Safety Code (NESC).  Click here to read...
by , on June 9, 2010
More and more USPS facilities are being fined by OSHA.  These include many willful citations.  Inside sources claim the postal service making claim they are not covered by NFPA 70E but it is unlikely OSHA cited them on NFPA 70E. They usually recommend NFPA 70E for abatement of arc flash or electrical hazards but the...