"We have talked about whole house protection systems for spikes and surges but I am not sure either of those types of faults occurred.
Any educated ideas? Im all out."
Sorry, I've never seemed to have figured out the "Quote/Reply" functions, so...
All I can tell you, after 40+ yrs. in the elec. careers, you are entering a subject area (power quality/not quality, protection, monitoring, analysis et al) which is so vast, and complex, and varied that only plenty of learning, research, and great intuition can start to explain a great deal of it all.
I will not relate any horror stories I've seen or heard about, it gets very long and wearing. BUT there WERE indeed some real doozies.
I hope that my suggestion as a resource of Electrical Construction & Maintenance Magazine, a professional electrical trade publication, will be of help.
Link: http://ecmweb.com/
There are available there many years' archived information.
Particularly interesting to me has been their Forensic Investigation columns, which I know will help you understand some of the finer points of determing causality when property damage, injury and even death results from [ often unseen and elusive ] causes of failure in electrical systems.
Best of luck, please keep us up on anything you do find out.
R.P. ("Dr E")
With everything connected to "The Grid" I am amazed we have the power quality we do and I for one am greatful for it!
Thank you for the link, I love that kind of reading!
I will keep you up.
Barry.
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