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12-04-2007, 12:57 PM
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#1
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2 Rivet Member
Join Date: Mar 2004
Posts: 21
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Testing shore power
I have a 66 GT and was wondering if I can simply plug it into my garage to make sure everything is working ok. My garage is on a 20 amp breaker and the book or the AS said it has a 30 amp shore power. Can I just hook it up and see or will I blow a breaker.
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12-04-2007, 01:03 PM
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#2
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Rivet Master
2006 25' Safari FB SE
St. Cloud
, Minnesota
Join Date: Aug 2003
Posts: 13,280
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You'll be fine. The largest load is always the air conditioner -- you'd need a dedicated 30A outlet for that. Use a 30A-15A adapter for the shore power line. Just don't run the A/C.
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12-04-2007, 01:03 PM
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#3
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Site Team
2002 25' Safari
Dewey
, Arizona
Join Date: Mar 2005
Posts: 15,616
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You can test everything exept the Air Conditioning. Get a 30 amp to 15 amp adapter for the plug and you are set.
__________________
Richard
Wally Byam Airstream Club 7513
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12-04-2007, 01:05 PM
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#4
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Rivet Master
2006 25' Safari FB SE
St. Cloud
, Minnesota
Join Date: Aug 2003
Posts: 13,280
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Richard, my kids would always say "Jinx, you owe me a pop!" when two people said the same thing at the same time. [pop = soda. so that both "civilized halves of the world unnastan' here]
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12-04-2007, 01:06 PM
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#5
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2 Rivet Member
Join Date: Mar 2004
Posts: 21
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No Ac
Now I notice my cord is not long enough to reach can you hook a drop cord w/o any problems
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12-04-2007, 02:43 PM
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#6
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Rivet Master
2011 34' Classic
Westchester Cty.NY
, / Miami FL
Join Date: Jul 2007
Posts: 3,122
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you need a cord rated for the load and distance. too light a wire size can do damage.
__________________
Ricky
2012 F150 Super Crew 5-1/2' bed Ecoboost 4x4 3.73 elec. lock diff. Propride hitch
give life. kidney & pancreas transplant 9/9/06
Ingrid-my unofficial '"World's Oldest Streamer" 1909-2008 R.I.P.
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12-04-2007, 03:22 PM
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#7
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Rivet Master
Commercial Member
Vintage Kin Owner
Naples
, Florida
Join Date: Dec 2005
Posts: 7,508
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Quote:
Originally Posted by nbka1bm
Now I notice my cord is not long enough to reach can you hook a drop cord w/o any problems
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12AWG minimum and preferrably, 10AWG for over 30 feet.
__________________
lewster
Solar Tech Energy Systems, Inc.
Victron Solar Components and Inverters, Zamp Solar Panels, LiFeBlue and Battle Born Lithium Batteries, Lifeline AGM Batteries
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12-05-2007, 06:01 PM
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#8
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4 Rivet Member
1972 25' Tradewind
Madison
, Wisconsin
Join Date: Apr 2005
Posts: 396
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20 or 30 amp?
When I first got my tradewind (72), it had a 30 amp plug and a single 20 amp circuit. I did test run the Air Conditioner on a garage 20 amp circuit when I bought the unit and it seemed to run fine. The same unit seems touchy on an industrial type (generac 5500) generator.
I later separated out the charger and the rear outlets into a second 20 amp circuit. I have only run the Air Conditioner for a short while twice each of the last two summers, just to turn it over more than to cool down.
My question is...do some of the older models run safely on 20 amps? I really do not feel like crawling up there to replace a starter capacitor (and what ever else would fry!).
The original manual came with the trailer and indicates only a 20 amp circuit.
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12-05-2007, 06:20 PM
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#9
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More than one rivet loose
Currently Looking...
Los Alamos
, New Mexico
Join Date: Feb 2006
Posts: 3,756
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Quote:
Originally Posted by nbka1bm
Now I notice my cord is not long enough to reach can you hook a drop cord w/o any problems
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That would be a problem. A better solution would be to get a 30 RV extension cord. Wal-Mart cheap and everywhere.
Otherwise the voltage drop will be too high and the smallest cord will heat up.
__________________
Michelle TAC MT-0
Sarah, Snowball
Looking for a 1962 Flying Cloud
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12-05-2007, 07:10 PM
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#10
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Rivet Master
1971 25' Tradewind
1993 34' Excella
Currently Looking...
Estancia
, New Mexico
Join Date: Feb 2005
Posts: 7,743
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My experience is you can run the fan on the AC on 20 amps. If you run the cooling cycle it may even seem to run OK but you can damage the AC, or so I have been told. I have pretty regularly run lights, charged the battery and run the fridge (not at the same time) with a 100' extension cord typical of hardware store gauge, not a RV 30amp, with absolutely no problems
__________________
Sail on silver girl. Sail on by. Your time has come to shine.
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12-05-2007, 09:18 PM
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#11
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Rivet Master
2005 25' Safari
Salem
, Oregon
Join Date: Mar 2006
Posts: 8,376
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Hi, I have had several different portable and window airconditioners [not at the same time] in my house plugged into my 20 amp wall sockets with no problems; So why can't I run my Airstream airconditioner off of my 20 amp house circuits? [I have already done this] What is going to get damaged and why? I just read that a 15,000 BTU A/C is rated at 15.4 amps and my unit is a 11,000 BTU unit. Note: I use the 30 amp cord with a 15/20 amp adapter; No extention cords. Has anyone out there burned up their RV airconditioner because it was plugged into their house receptical?
__________________
Bob 2005 Safari 25-B
"Le Petit Chateau Argent" Small Silver Castle
2000 Navigator / 2014 F-150 Eco-Boost / Equal-i-zer / P-3
YAMAHA 2400 / AIR #12144
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12-06-2007, 01:13 AM
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#12
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Site Team
2002 25' Safari
Dewey
, Arizona
Join Date: Mar 2005
Posts: 15,616
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One of the issues in my opinion is the adapter. I have seen plenty of 15 amp adapters, but never a 20 amp adapter. You also need to consider that when you plug in you will also be putting a few amps into your power converter plus what ever you pull with the air conditioner. The numbers for me were just too close for comfort. I have a 30 amp RV plug wired at my power panel. Plenty of power, no adapter and no worries.
__________________
Richard
Wally Byam Airstream Club 7513
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12-06-2007, 07:47 AM
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#13
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Rivet Master
2020 30’ Globetrotter
2001 30' Excella
Phoenix
, Arizona
Join Date: Jul 2007
Posts: 838
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Yes
Quote:
Originally Posted by ROBERTSUNRUS
Hi, I have had several different portable and window airconditioners [not at the same time] in my house plugged into my 20 amp wall sockets with no problems; So why can't I run my Airstream airconditioner off of my 20 amp house circuits? [I have already done this] What is going to get damaged and why? I just read that a 15,000 BTU A/C is rated at 15.4 amps and my unit is a 11,000 BTU unit. Note: I use the 30 amp cord with a 15/20 amp adapter; No extention cords. Has anyone out there burned up their RV airconditioner because it was plugged into their house receptical?
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My fairly new Carrier AirV is toast because of two situations in my opinion. The first is that my trailer had a short in the main power cord causing a hot skin on the trailer. The short was in the umbilical cable and the main power box on the trailer. The wiring was shot and the insulation was riddled with cracks causing a voltage leak to the skin of the trailer. Secondlly I had my rig plugged into the house on a 20 amp circuit with a long extension cord. I believe that due to both issues, I fried the AC unit. I have since installed a 30amp dedicated circuit on the house and am awaiting the arrival of my new Carrier Low Profile AC unit. I learned an expensive lesson.
__________________
Louis & Sergio
Air #22673
WBCCI# 2731
Four Corners Unit
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12-06-2007, 08:11 AM
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#14
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3 Rivet Member
2010 28' Flying Cloud
Escondido
, California
Join Date: Feb 2007
Posts: 196
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Don't confuse running amperage with starting amps which can be 50% higher
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12-06-2007, 01:55 PM
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#15
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2 Rivet Member
1966 20' Globetrotter
Orient
, New York
Join Date: Sep 2007
Posts: 58
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I've had my '66 G T plug into the garage since I aquired it in sept. 20 amp breaker .I even used the ac onc or twice in sept,I have a 10 ga extention cord
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01-13-2008, 11:51 AM
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#16
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2 Rivet Member
1974 Argosy 20
Burlington
, Ontario
Join Date: Jul 2007
Posts: 25
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With the air on you will be stressing the circuit to it's possible limit. Play on the safe side and you will not regret it. How often I have seen and heard of "Well I or he did it and got away with it. so you go for the cheap , and risk the loss of the unit and possible fire.
Maybe you have an extra AC unit or the money to experiment.
As the load increases , so does the heat and deterioration.
Rae
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