blowing breakers

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  #1  
Old 03-23-02, 09:21 AM
redhead33
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blowing breakers

I have a 40 ft fifth wheel trailer I am living in. Recently the breaker in the house current power supply post has been tripping. There does not seem to be any pattern to indicate what might be overloading (none of the 20 amp circuits blow) The park supplies power thru a 30 amp four wire service at the column and I have been using a 10AWG insulated cable with a pigtail adapter for the last four years. No trouble until recently. My thoughts are that some insulation in the power supply cable has thinned out causing cross connection. Short of replacing the expensive cable how would I go about testing my theory? Any other ideas? Thanx Redhead33
 
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  #2  
Old 03-23-02, 02:47 PM
Wgoodrich
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If this cable has been working fine for a few years then I would suspect either a bad or loose connection most probably or the trailer park your in has increased the load by larger or more trailers on your end and you have experienced a drop in voltage which would raise you amp draw causing your breaker to trip.

Try borrowing or renting an amprobe that clips over a single hot conductor and read the amp draw on each hot line in your panel. Then try to rent or borrow a sweep meter or digital voltage tester and read the voltage you are receiving in the trailer. This will tell us a lot toward giving you an accurate answer rather than a guess.

Wg
 
  #3  
Old 03-28-02, 07:02 PM
redhead33
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Thank you for the information. It will be helpful now and in the future. I am saving it for reference. Before I could locate the guages you recommended I took a look inside the parks switch box. It seems a hot wire was melted intro a ground wire--dead short. Good thing the breaker was functioning. WG,Thanks again for the help.
 
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