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Old 11-01-2015, 02:17 AM   #12
DonPd
Montana Fan
 
Join Date: Aug 2005
Location: Crawfordville
Posts: 146
M.O.C. #4328
I have a hard wired unit and before I plug in I check the post with a tester I made. This might be overkill but it works for me.
Here is a link to the tester I made and use.

http://www.myrv.us/electric/Pg/tester_50amp.htm
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