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04-21-2016, 12:44 PM
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#1
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Member
Monaco Owners Club
Join Date: Apr 2016
Location: Massachusetts
Posts: 69
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30 AMP service okay to use?
So, when I built my house 8 years ago, I had a travel trailer. We built a camper port with 30 amp service, hot & cold water and a sewer connection. We are picking up our 2006 Monaco Monarch tomorrow. I've read about 30 amp service being wired wrong for an RV. How can I tell if mine is wired correctly? I don't want to fry my new Monaco. We did have issues with our 1996 Coachmen TT cooking batteries when it was left plugged in, but maybe that was due to the older charging system?
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04-21-2016, 01:01 PM
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#2
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Senior Member
Thor Owners Club Ford Super Duty Owner
Join Date: Jul 2011
Posts: 3,796
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If it worked with the travel trailer then it should work with the coach. You will be limited on how much stuff that can be turned on at one time. Keep to a single AC. Worse case you'll pop the circuit breaker in the home panel. If you have a meter very easy to check the outlet to ensure the hot, neutral and ground are where they are supposed to be.
Concerning the TT battery boiling, classic symptom of an old technology charging system. The Monarch should be up to date with a three stage charger that will keep the batteries happy.
Also you'll need a power cord adaptor, presuming the Monarch is a 50 amp rig. Commonly called a dog bone. Walmart normally has them in store or your local RV service center.
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04-21-2016, 01:06 PM
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#3
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Member
Monaco Owners Club
Join Date: Apr 2016
Location: Massachusetts
Posts: 69
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Quote:
Originally Posted by Sweetbriar
If it worked with the travel trailer then it should work with the coach. You will be limited on how much stuff that can be turned on at one time. Keep to a single AC. Worse case you'll pop the circuit breaker in the home panel. If you have a meter very easy to check the outlet to ensure the hot, neutral and ground are where they are supposed to be. Concerning the TT battery boiling, classic symptom of an old technology charging system. The Monarch should be up to date with a three stage charger that will keep the batteries happy. Also you'll need a power cord adaptor, presuming the Monarch is a 50 amp rig. Commonly called a dog bone. Walmart normally has them in store or your local RV service center.
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Thank you for responding. So, if the 30 amp service was not installed correctly, I would know already? Meaning, things would burn, pop or break immediately.......correct?
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04-21-2016, 01:09 PM
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#4
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Senior Member
Join Date: Dec 2012
Posts: 2,080
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Quote:
Originally Posted by Cricco
Thank you for responding. So, if the 30 amp service was not installed correctly, I would know already? Meaning, things would burn, pop or break immediately.......correct?
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Exactly!!! Don't ask me how I know !!
Russell
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04-21-2016, 01:15 PM
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#5
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Senior Member
Ford Super Duty Owner
Join Date: Nov 2012
Location: Indiana
Posts: 151
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Quote:
Originally Posted by Cricco
Thank you for responding. So, if the 30 amp service was not installed correctly, I would know already? Meaning, things would burn, pop or break immediately.......correct?
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If you have a volt meter, you can check your outlet. If you have 120V max. between any of the recept. slots, you should be okay. If you detect 240V with any measurement, then the outlet is wrong for what you are trying to do. I agree with the previous poster that it should be okay since it worked for the trailer, but better safe than sorry. Good luck and congrats on the new coach.
__________________
2004 Starcraft Ambient Class C
2005 Chevy Colorado Toad
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04-21-2016, 01:29 PM
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#6
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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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Quote:
Originally Posted by Cricco
Thank you for responding. So, if the 30 amp service was not installed correctly, I would know already? Meaning, things would burn, pop or break immediately.......correct?
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Probably not soon enough to prevent damage though!
Be safe and check it first but if it worked OK with the previous rigs it should be OK now.
__________________
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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04-22-2016, 03:52 AM
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#7
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Senior Member
Join Date: Oct 2011
Location: Central, SC
Posts: 759
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Quote:
Originally Posted by Kevin J
If you have a volt meter, you can check your outlet. If you have 120V max. between any of the recept. slots, you should be okay. If you detect 240V with any measurement, then the outlet is wrong for what you are trying to do. I agree with the previous poster that it should be okay since it worked for the trailer, but better safe than sorry. Good luck and congrats on the new coach.
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If you read 240, you can change the receptacle to a 4 prong (50amp) if you also have a neutral wire there. Add a ground by putting in a ground rod near the receptacle. It won't be rated for 50 amp but you will have 2 30 amp legs instead of 1.
1997 Tiffin Allegro Bus 37', Cat 3126
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04-22-2016, 04:05 AM
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#8
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Senior Member
Monaco Owners Club Texas Boomers Club
Join Date: Jan 2009
Posts: 2,529
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50 amp is the system that is easier to get wrong - not 30
__________________
Hal & Ginny Miller '04 Beaver Santiam PRT40
'04 Saturn Vue - US Gear Brake - Blue Ox tow
3"girls" (2 Irish Setters - 1 Retriever) - RIP Annie & Emily (12/26/2017)
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04-22-2016, 04:21 AM
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#9
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Senior Member
Thor Owners Club Ford Super Duty Owner
Join Date: Jul 2011
Posts: 3,796
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Quote:
Originally Posted by Cricco
Thank you for responding. So, if the 30 amp service was not installed correctly, I would know already? Meaning, things would burn, pop or break immediately.......correct?
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Correct, in that the trailer would have had problems. The problem that can happen is rather than wiring the outlet as a 120VAC (hot, neutral, ground) an Electrician may wire as they would for a dryer or stove with is 240VAC (2 hots, ground). Anything plugged in or turned on such as a roof AC, electric water heater, microwave, clock radio, TV and such operates very hot and/or very fast for a few seconds and then the magic smoke escapes. Very difficult and expensive to get the magic smoke replaced. Since that doesn't sound like it happened I would say your OK for the coach.
What would help is to invest in a surge protector. Can be a bit expensive buy does a lot to protect the coach beyond a power spike. Low voltage which is not good for an AC compressor, high volts, open ground and the worst case for a 50 amp rig the dreaded open neutral. First thing I acquired for my coach and in six years hasn't come off the end of the shore power cable. If the power tastes funny it will shut off power to the coach and display a code telling why. Had several low volt shut downs during the heat of summer and a packed camp ground.
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04-22-2016, 04:23 AM
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#10
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Senior Member
Join Date: Jul 2014
Posts: 35,446
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How they work
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04-22-2016, 04:46 AM
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#11
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Senior Member
Tiffin Owners Club
Join Date: Sep 2012
Location: Maryland
Posts: 1,439
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Quote:
Originally Posted by H. Miller
50 amp is the system that is easier to get wrong - not 30
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I think the 30 amp is easier to get wrong. It can be mis-wired for 240 volts instead of 120 volts. I think the 50 amp would always be wired correctly. I am not a licensed electrician but that is my opinion.
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04-22-2016, 08:14 PM
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#12
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Senior Member
Fleetwood Owners Club
Join Date: Sep 2015
Location: Near San Antonio, TX
Posts: 441
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30 Amp is hot, neutral, ground, just like every receptacle in your house. It can still have open neutral or have the wires switched, but electricians probably won't make this error often.
50 Amp is different for a motor home than, for, say, a welder outlet. It is not just a 120, neutral, ground, or a 240, neutral ground (well that would be odd). It is actually two separate 120v (50A) circuits that are out of phase. They actually deliver 100A (confusing), that is why they are often wired improperly.
__________________
Montyhp
2005 Discovery 39s Cat C7 330hp, AF1 brakes,
2018 Jeep Wrangler JK Unlimited Sport S, Blue Ox Towbar
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04-22-2016, 08:25 PM
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#13
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Senior Member
Newmar Owners Club Holiday Rambler Owners Club
Join Date: May 2014
Location: Aberdeen, SD
Posts: 586
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Spend the money on a really good surge protector and you won't have any worries about whether power is correct or not. This one is the best you can buy in my opinion. Cheap insurance.
Progressive industries,Surge protector rv,
__________________
2000 Newmar Dutch Star 38' Class A, Spartan chasis, MM-2242, Cummins 330 pulling a 2014 Ford Focus.
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04-22-2016, 08:31 PM
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#14
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Senior Member
Join Date: Jul 2012
Location: Missouri
Posts: 109
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Quote:
Originally Posted by Pexring
Spend the money on a really good surge protector and you won't have any worries about whether power is correct or not. This one is the best you can buy in my opinion. Cheap insurance.
Progressive industries,Surge protector rv,
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Ditto, ditto, ditto!!
__________________
Bruce & Sarah, 2018 Keystone Sprinter 319MKS, 2016 Ram 2500HD 6.7L Cummins, 1997 Ranger Rebel I/B Jet Bass Boat (not at the same time)
St. Charles, MO.
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