The last post was a long time ago but I'll offer this for what it is worth. I have just returned from a seminar on electrical safety where much of the focus was on arc flash hazard, NFPA-70E and PPE. One of the speakers, a consultant who ran a test lab for the former Ontario Hydro stressed...
Thanks to you all for your interest and feedback. Some further developments. It has since been discovered that preventive maintenance was performed on the starter only hours before the explosion. The maintenance involved the use of an alcohol based contact cleaner.................. It is...
I was called to investigate an explosion of a 30 year old Siemens combination starter. The starter is an explosion proof design with a threaded top and bottom cover; the starter is used to control a capstan on our jetty. Following the explosion, one half of the top cover was found...