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Old 05-08-2013, 10:27 AM   #1
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How Many Watts Available In My 12v Outlet

My 2013 Roo233s came with a 12v outlet adjacent to the tv. I have neither knowledge of nor tested for maximum wattage available but would like to know. I am thinking about purchasing an inverter that plugs into this outlet and possibly powering the tv, a popcorn maker, and rice cooker, and if there is enough power available...a juicer. Would anyone with an outlet like this know if I could plug something like this inverter into it and not blow a fuse? This is only a possible inverter purchase. I am very much looking. Thanks for the help.

Bravo View Peak Power Inverter with Game Plate - Walmart.com
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Old 05-08-2013, 10:54 AM   #2
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Not knowing exactly how yours is wired, WarMovies, it is probably doubtful if you draw too much......but yours may be different.

Just looking at Winegards site, where they make several of these 12 volt DC power plates/antenna boosters.......their documentation states the following:

WARNING: Do Not Connect High
Current Devices Such as Hair
Dryers to +12 Volt Receptacle
on Wall Plate/Power Supply.
Maximum current ratings of
this receptacle is 7.5 amps at
+12 VDC.

http://www.winegard.com/kbase/upload/2451486.pdf


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Old 05-08-2013, 11:07 AM   #3
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You can't do it. Most of these items are very high power draw. You need a dedicated 12 volt source with large gauge wiring and a pretty big inverter. Lots of threads here on the system you need, for these appliances.
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Old 05-08-2013, 11:44 AM   #4
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So what is the maximum sort of draw I can pull off one of those 12v outlets? Any ideas? I see referenced 7.5amps. I know I have seen here a conversion chart of sorts showing how much amp draw for particular items rather than wattage. What sorts of items can I power from an outlet like that? Its right next to the tv (actually behind it). I'm wondering if thats what its there for? Could I use something like the link below to plug in and power the tv?

Purchase the Bravo View 250 Power Inverter with USB Port for less at Walmart.com. Save money. Live better.
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Old 05-08-2013, 11:58 AM   #5
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Quote:
Originally Posted by WarMovies View Post
I know I have seen here a conversion chart of sorts showing how much amp draw for particular items rather than wattage.
You talking about this one:

Here is a chart with average amp draws for common items:


120 Volt AC Amp Ratings
Appliance or Electronic Equipment Estimated Amps
Air Conditioner (X number of A/C) 12-16 Amps
Blender 5-6 Amps
Coffee Maker 5-8 Amps
Compact Disc Player 1 Amp
Computer (Laptop) 2-3 Amps
Converter 1-8 Amps
Crock Pot 1-2 Amps
Curling Iron <1 Amp
Drill 2-6 Amps
Electric Blanket 0.5-1.5 Amps
Electric Fan 1 Amp
Electric Water Heater 9-13 Amps
Electric Skillet 6-12 Amps
Hair Dryer 5-12 Amps
Iron 5-10 Amps
Light (60 watt % 120V) <1 Amp
Microwave 8-13 Amps
Microwave (Convection Oven) 13 Amps
Refrigerator in AC mode 5-8 Amps
Space Heater 8-13 Amps
Television 1.5-4 Amps
Toaster 7-10 Amps
Vacuum (handheld) 2-6 Amps
VCR 1-2 Amps
Washer/Dryer 14-16Amps

12 Volt DC Amp Ratings
Appliance or Accessory Estimated Amps
Aisle Light 1 Amp
CO Detector 1 Amp
Fluorescent Light 1-2 Amps
Furnace 10-12 Amps
LP Gas Leak Detector 1 Amp
Overhead lights (Per Bulb) 1 Amp
Porch Light 1 Amp
Power Roof Vent 1.5 Amps
Radio/Stereo 4 Amps
Range Hood (Fan & Light) 2-3 Amps
Refrigerator (LP Gas Mode) 1.5- 2 Amps
Security System 1 Amp
Television (12 volt) 4-5 Amps
TV Antenna Booster <1 Amp
TV Antenna Booster 12 Volt outlet Up to 8 Amps
Variable Speed Ceiling / Vent Fan 4 Amps
VCR Recorder / Player 2 Amps
Water Pump 4 Amp
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Old 05-08-2013, 12:13 PM   #6
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While the outlet itself can tranfer 15 amps or more, the limiting factor is the wireing to the outlet and other loads on the circuit. The fuse on the curcuit will give you a good starting point. 12 volt inverters do not do well with sensitive items such as TV's. A cheap inverter will not give you satisfactory results (and may even damage your TV). I would get a 12 volt TV instead. Also, as a rule , anything that makes things hot (i.e. popcorn popper, hair dryer), will not work on a small to midsize inverter.
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Old 05-08-2013, 12:28 PM   #7
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And FYI, in case you didn't know already, WATTS = VOLTS x AMPS.

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Old 05-08-2013, 12:47 PM   #8
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Well of course I didn't know that WATTS = VOLTS x AMPS!! I am assembling all sorts of knowledge as I foray into this arena.

I havent heard yet what sorts of things I "can" plug into this receptacle. Why was it put there? I find it interesting that its behind the tv and yet I have been advised to only plug a 12v tv into said outlet.

Thanks for any and all help. I may end up hard wiring an inverter into the 12v batteries at some point. In the next couple of weeks I am going to be wiring my awning lights into the 12v as well. I have not done any of this before.
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Old 05-08-2013, 12:49 PM   #9
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Do yourself a favor and brush up on some basic electricity theory (ohms, volts, and amps) before you start doing your wiring. Otherwise you'll end up blowing fuses or worse very quickly.
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Old 05-08-2013, 12:56 PM   #10
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Quote:
Originally Posted by lundah View Post
Do yourself a favor and brush up on some basic electricity theory (ohms, volts, and amps) before you start doing your wiring. Otherwise you'll end up blowing fuses or worse very quickly.
Sounds good. What would you recommend? I have read thru the 12v side of life...more than once. A little more sticks each time I read thru it.
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