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05-08-2008, 05:07 AM
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#1
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Montana Master
Join Date: May 2003
Location: New Bern
Posts: 4,294
M.O.C. #311
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30 amp svc and 2 1500 watt electrical heaters
There was a post a while back asking about using two electrical heaters on a 30 AMP service.
Well I can verify it does work. However you have to watch your power usage.
We plug in the second heater in the morning to help reduce the chill. This works because the Hot Water heater is not working hard to heat the water. If we take a shower or do dishes then we turn off the "second" heater.
Our two heaters are the fire place "first" and a ceramic "second" plugged into one of the outlets for the washer or dryer.
If I blow the outside pedestal breaker then I shut off the ceramic until the load is reduced.
Cheers,
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05-08-2008, 05:50 AM
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#2
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Montana Master
Join Date: Aug 2004
Location: Cedar Rapids
Posts: 4,876
M.O.C. #1944
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You're right John. We do the same thing with two heaters, except we don't have a fireplace. There are a lot of things we can do with these rigs if we manage properly.
Orv
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05-08-2008, 10:37 AM
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#3
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Seasoned Camper
Join Date: Sep 2007
Location: Grand Junction
Posts: 89
M.O.C. #7686
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Wondering, and I suspect, that if you have the 5000 watt heat strip in the air conditioner you would be able to run both a heater and the air conditioning heat strip at the same time. If you happen to have 50 amp service and a washer dryer prep not in use you could run three heat units. I believe the air system circuit & washer/dryer circuit are separate from anything else in the monty.
Dean
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05-08-2008, 11:01 AM
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#4
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Montana Master
Join Date: Sep 2003
Location: Sunshine
Posts: 1,445
M.O.C. #538
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Like Orv said, we run two heaters. You just have to watch what your using.
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05-10-2008, 05:17 PM
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#5
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Montana Fan
Join Date: Jan 2004
Location: Marshfield
Posts: 158
M.O.C. #886
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The 30 Amp power cord is not meant to handle 30 amps for very long and there is quite a bit of voltage drop on it the hotter it gets. You may want to keep an eye on your voltage and how hot the 30 amp plug is getting. If the breakers don't trip at 31 amps it may be because they are not working properly so you may not be protected.
Stay safe and don't let the smoke out.
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05-11-2008, 06:19 AM
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#6
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Montana Master
Join Date: Aug 2004
Location: Cedar Rapids
Posts: 4,876
M.O.C. #1944
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Quote:
quote:Originally posted by mobrownies
The 30 Amp power cord is not meant to handle 30 amps for very long and there is quite a bit of voltage drop on it the hotter it gets. You may want to keep an eye on your voltage and how hot the 30 amp plug is getting. If the breakers don't trip at 31 amps it may be because they are not working properly so you may not be protected.
Stay safe and don't let the smoke out.
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The 30-amp and 50-amp cords are designed to handle 30 and 50 amps respectively. If you are connected to 30-amp power with a 30-amp cord and exceed 30 amps being drawn, you will trip the CG breaker. The cord and/or plug should not get hot unless you are drawing more than the cord is designed for. Sometimes your plug will get hot when you are only drawing 20 amps. When this happens, check your plug and make sure the contacts are clean and that they fit in the CG receptacle tightly.
This only comes from my experience, nothing else.
Orv
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05-11-2008, 06:40 AM
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#7
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Montana Master
Join Date: Sep 2003
Location: Sunshine
Posts: 1,445
M.O.C. #538
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Quote:
quote:Originally posted by mobrownies
The 30 Amp power cord is not meant to handle 30 amps for very long and there is quite a bit of voltage drop on it the hotter it gets. You may want to keep an eye on your voltage and how hot the 30 amp plug is getting. If the breakers don't trip at 31 amps it may be because they are not working properly so you may not be protected.
Stay safe and don't let the smoke out.
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Does this mean a 50 Amp cord will not handle 50 Amp for a very long time?
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