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Old 11-14-2013, 05:10 PM   #11
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Old 11-16-2013, 07:04 AM   #12
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This has been mentioned here before but for the newer folks....

If you are camped at a power post and have a 30 or 50 amp trailer and
need more heat than you can get from one heater- you can plug a
heavy duty extension cord into the duplex (normal household) receptacle
on the power post and snake that thru the seal on one of your slides and
plug in another heater or coffee pot.
That receptacle on the power post is typically on it's own separate breaker
so you are not overloading the 30 or 50 amp that's powering the rest of your

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Old 11-16-2013, 07:15 AM   #13
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Originally Posted by Chrisbrock View Post
I have been running one at nights along with my electric water heater on also. Mine has done well. First couple of below 30 nights we had I ran the furnace but blew through most of my propane gas in just 3 days... lol... so scratch that. Refilled for $28 down the street but are just using a safe space heater to keep the inside of the coach from dipping into freezing temps
Chris, we like to be toasty and found the same as you- with 50-degree days and 30-degree nights, we would use about an entire 30lb. propane tank every other day or so unless with augment with space heaters.
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Old 11-16-2013, 08:03 AM   #14
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We use this model from Walmart. I've never tripped any breakers using it at night. During the day I"d be careful what other appliances get turned on while heater is cycled on.

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Old 11-16-2013, 08:19 AM   #15
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It should be okay as long as you manage your usage. I think someone mentioned about switching your water heater to gas or shut it off at night like I do, when using gas. and don't run the heater, microwave, and a hair dryer at the same time.
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Old 11-16-2013, 08:28 AM   #16
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Install one of these thru the wall of your unit. Youroo!!
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Old 11-16-2013, 08:33 AM   #17
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Herk summed it up when he wrote "1500 Watts or 12.5 amps @ 120 volts".. This is derived from ohms law that says power (watts) = amps x volts. You can figure out what your 15 amp or 20 amp circuit will consume by looking at the rating plate of the item or items you plan to use and divide the total number of watts by the voltage and determine what your consumption is. i.e; watts/volts = amps. Hope this helps others determine the number of amps they will consume before they blow that circuit.
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Old 11-16-2013, 08:36 AM   #18
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Originally Posted by youroo View Post
Install one of these thru the wall of your unit. Youroo!!
A pair of black and white X's will do that, that's amazing!

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Old 11-16-2013, 08:38 AM   #19
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We ran the pictured (lower left-hand corner of the pic) 1500w heater for the duration of our stay at Catalina SP (Tucson, AZ) last January; and it (along with the furnace) kept us reasonably warm. Granted, we also had four 100lb hairy heat producers to assist with the warming, but the heater ran all night without blowing a fuse or other issue. If you notice, the temp outside at the time the picture was taken was around 14* F.

The forecasted lows were only supposed to be in the upper 20s, so the extreme (for AZ) cold was unexpected. Although I wouldn't recommend exposing a Roo to those types of temps without winterizing, ours weathered it well and we experienced no damage from the cold.

Back to the original questions: Our experience is that a 1500w electric heater is not a problem to run while on shore power.
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Old 11-16-2013, 09:27 AM   #20
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Originally Posted by Jjsav View Post
The other option, which I may start doing next year, is run an extension cord thru one of my slides and run it right to the pole. So the heater is seperate from the trailer.
That is what I do. Most poles have a separate 15a receptacle.

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