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03-19-2018, 09:37 AM
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#1
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Senior Member
Join Date: Aug 2017
Posts: 111
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Using a 25ft 30amp extension cord.
My shore power cord is not long enough to reach the 30 amp plug, so I have a 25ft 30amp heavy duty extension cord to make the connection. Is it OK to leave it plugged in this way for an extended period of time to keep the battery charged?
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Smitty
2005 Coachmen Santara Class C
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03-19-2018, 09:39 AM
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#2
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Senior Member
Join Date: Jan 2015
Location: Oroville, CA
Posts: 3,133
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Yep!
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Bill, Kathi and Zorro; '05 Beaver Patriot Thunder
2012 Sunnybrook Harmony 21FBS (SQEZINN)
2007 Jeep Grand Cherokee Overland
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03-19-2018, 09:43 AM
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#3
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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No problem.
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2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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03-19-2018, 09:45 AM
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#4
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Senior Member
Join Date: Nov 2016
Location: Desert Hot Springs Ca.
Posts: 947
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My son's 5th wheel is plugged in that way at our home with no problem at all.
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Mike & Trish Romans 10:9
2011 Mobile Suites 36RSSB3
2014 F-350 6.7L CC DRW
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03-19-2018, 09:46 AM
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#5
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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Yes.
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Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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03-19-2018, 09:52 AM
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#6
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Senior Member
Join Date: Jul 2014
Posts: 35,441
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I use 30 amp extensions while yard camping, at family's homes often.
No problem running everything.
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03-20-2018, 04:36 AM
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#7
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Senior Member
Join Date: Aug 2017
Posts: 111
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Great! Thanks Guys! I just bought a new 12v AGM Deep Cycle coach battery ($$$) and want to keep that puppy charged.
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Smitty
2005 Coachmen Santara Class C
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03-20-2018, 05:26 AM
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#8
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Senior Member
Join Date: Jul 2010
Posts: 5,336
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You might want to keep the connection between the two dry, out of the wet dew or rain.
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Tom
2016 Newmar Bay Star Sport 3004
2021 Jeep Gladiator Sport Willys
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03-20-2018, 05:46 AM
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#9
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Senior Member
Commercial Member
Join Date: Aug 2012
Posts: 726
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The most common 30amp problem is not keeping the prongs on the plug clean. They are brass and tarnish making a poor connection which generates heat.
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03-20-2018, 06:22 AM
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#10
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Senior Member
Join Date: Sep 2012
Posts: 8,055
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Quote:
Originally Posted by shiggs68
The most common 30amp problem is not keeping the prongs on the plug clean. They are brass and tarnish making a poor connection which generates heat.
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Don't clean them with any abrasive cleaners. That makes more problems. If you must clean them get a can of contact cleaner.
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03-21-2018, 07:18 PM
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#11
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Senior Member
Join Date: Sep 2011
Location: South West Michigan
Posts: 466
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I have been known to use 3 extensions but I have a volt meter built in to tell me whats going on. 100 feet no problem
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03-21-2018, 07:21 PM
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#12
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Senior Member
Damon Owners Club
Join Date: Jul 2010
Location: Annapolis,MD
Posts: 1,458
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Be sure to set your charger/inverter for the proper charge
cycle for either Lifleine AGM or all other AGMs
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03-21-2018, 08:17 PM
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#13
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Member
Join Date: Mar 2017
Posts: 74
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[emoji106][emoji106]
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