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50 Amp Plug LED's


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#1 deluco

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Posted 25 June 2013 - 08:29 AM

My 50 amp plug has two blue led's on the top.  Both usually light up when plugged into 50 amp shore power.  Sunday I plugged in and only one of the led's lit up...the one on the left top.  The one on the right lit very briefly as I plugged it in, then it went out.  All systems worked fine, even running both a/c units at the same time...and the TV and entertainment system.

 

The last time I noticed that the right-side led was out, it was as a result of a shore power problem at a Florida camp site, after a power outage.  After the power outage when the power came back on, the wall plugs in my RV stopped working.  They moved me to a new site and that solved the problem and both led's were lit.

 

This time no such problem...just the right LED not lit.  A friend speculated that it's just a grounding problem at the site, since all systems worked.

 

Any thoughts on this? 

 

Should I be concerned?  

 

Thanks.


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#2 wolfe10

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Posted 25 June 2013 - 09:26 AM

Jim,

 

Our speculation won't help you-- could be a faulty LED or an indication of a real problem.

 

You need to VERIFY that your shore power is correct.

 

If you are safe working around 120 VAC, use your voltmeter to check the CG outlet: If not, have the CG do it.

 

The two outer straights are the hots L1 and L2.

 

The center straight is the neutral.

 

The center round is ground.

 

So:

 

From either outer to center straight or center round= 120 VAC

Center round to center straight= 0 VAC

Outer straight to outer straight= 240 VAC

 

Brett


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#3 deluco

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Posted 26 June 2013 - 05:47 PM

Thank's Brett.  There was a tech onsite and he said the receptacle read fine with his meter and all systems worked fine in the RV.  I go to this campground a lot, so next time I'll pay attention to the plugs and follow up.

 

Thank's again.


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