pd 4045 mighty mini question - Fiberglass RV


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Old 03-30-2016, 08:01 AM   #1
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Name: Wade
Trailer: Hunter compact jr
Alabama
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pd 4045 mighty mini question

On my Hunter Compact, I have a 120volt dorm fridge and I purchased a 1200 watt inverter in order to operate the fridge while I am off the grid or during daily travels.
My question is, can this inverter be connected to the PD 4045, or does it have to connect directly to the battery? I'm not an electrician, but it would seem the battery is already connected to the main lugs of the Mighty Mini, so I could "piggy back" my inverter connection to these same lugs. Another option is to connect to one of the fused 12volt outputs on the PD4045. Two of the 12volt circuits seem to be of heavier ga. wire (2 red, the rest are black). I have no idea, and the PD4045 manual does not tell me, what the max fuse rating of these two red wire circuits is.

What do you guys think?
Thanks
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Old 03-30-2016, 09:24 AM   #2
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Name: JD
Trailer: Scamp 16 Modified (BIGLY)
Florida
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The 1200 watt inverter would need a connection sized for over 100 amps DC at 12 volts.
This needs to be connected directly to the battery with wiring and fuses properly sized for the load.
This means big wire, short connections and an appropriate fuse and holder.
If you keep the wire shorter that n 10 feet then a #4 wire would be required.
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Old 03-30-2016, 09:59 AM   #3
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Name: Wade
Trailer: Hunter compact jr
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Thanks JD, I was unsure and this would make sense. While the fridge will never pull that many amps, ( I way oversized the inverter), it is best to have it wired to it's maximum ability.
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