I put a 1000 Watt pure sine wave inverter in my ACE 27.1. I wanted to be able to power the TVs and entertainment/Internet/LAN equipment from the battery either down the road or when boondocking. I located the output cable coming out of the breaker box that was the "receptacle" cable and wired the output of the inverter into it with a DPDT switch. The switch allows me to select either the inverter or the breaker panel as the source for everything on the receptacles line. Since the inverter has 2 output plugs, if I needed to do the same thing to a separate line coming out of the breaker box I could.
As far as your CPAP, don't you have a "brick" that converts 120 VAC to 12 VDC for it? Most do and most have an adapter cord you can purchase that will allow you to run the CPAP directly from 12 VDC from the house batteries. No double conversion losses.
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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