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Old 08-01-2014, 10:58 AM   #1
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adding DC outlet

I have a 30 foot 2004 Classic trailer. I would like to add a 12 volt DC outlet on the street side of the bedroom on the wall next to the bathroom. Anyone have any suggestions how I could tie into an existing 12 volt line. I see a number of wires under the water heater in the bathroom, some of which would be 12 volt lines. I could probably tie into one of them. Any suggestions would be appreciated. Thanks, Wolf146
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Old 08-01-2014, 11:17 AM   #2
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Yes, you "can" tie to existing DC wiring. Would be a pain to do any other way.

What do you hope to run on this new circuit? Will it overload your chosen circuit?
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Old 08-01-2014, 01:32 PM   #3
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I would run a fan or small TV using an inverter.
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Old 08-01-2014, 04:46 PM   #4
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With all the new tv's using a 12v cube to convert 120 to 12 why not just get a one with 12v cube and eliminate the cube and plug in directly. Inverters have a cost in electric power loss changing to 12v.
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Old 08-01-2014, 04:55 PM   #5
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With all the new tv's using a 12v cube to convert 120 to 12 why not just get a one with 12v cube and eliminate the cube and plug in directly. Inverters have a cost in electric power loss changing to 12v.
Dave,

I've been looking for a TV with a 120v-12v cube for just the purpose you stated. But I'm having trouble finding one. The closest so far is a 120v-14v Samsung at Costco. I'm not sure it will work on 12v and don't know that I want to pay out the $150ish to see.

Have you seen others?

Thanks,
Stan
Salt Lake City
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Old 08-01-2014, 06:50 PM   #6
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Dave,

I've been looking for a TV with a 120v-12v cube for just the purpose you stated. But I'm having trouble finding one. The closest so far is a 120v-14v Samsung at Costco. I'm not sure it will work on 12v and don't know that I want to pay out the $150ish to see.

Have you seen others?

Thanks,
Stan
Salt Lake City
I just added a 18.5" Insigna LCD TV in my Safari's bedroom. Cost less than $100 at Best Buy. Good picture, fair sound, 25+ channels using the trailer antenna. It comes with a transformer (120v ac to 12v dc). I bought parts at RS and made an adapter so I can plug it into the existing 12v dc outlet, about $10.

It comes with a table base, but I used a wall mount.

Had it about a month. I'm happy so far.
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Old 08-01-2014, 09:02 PM   #7
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I added a 12vdc outlet by the dinette in the TW.

Got the outlet and a blank plate at the hardware store. I tied into the lighting circuit but added a 10 amp inline fuse just behind the outlet. This is hidden by the plate on installation.
We use this for an extra 12 volt portable cooler when traveling and phone chargers when set up.

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Old 08-01-2014, 11:33 PM   #8
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Several options... Which would you like help with
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Old 08-02-2014, 07:38 AM   #9
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12 v DC outlet

The DC outlet I installed in my SOB years ago I tied directly into the DC fuse box.
In this case this doesn't seem possible so the question is :would a fan and or TV linked up with an existing DC line, overload that line? Wolf146
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Old 08-03-2014, 12:15 PM   #10
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Estimate new appliances' current draw and add to that of appliances already on the particular circuit. Look up the size wiring need for the max current draw. Measure (using calipers or micrometer) existing wiring to determine the size/gage, unless it is marked on the insulation. Of course, make sure that the circuit breaker/fuse is correct for the new total circuit load.
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