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djbroughton's avatar
djbroughton
Explorer
Feb 23, 2015

Trying to use small inverter through cig. lighter adapter

I am trying to run my CPAP machine from a light fixture above the bed instead of through the main inverter. I wired a 12 v cigarette lighter outlet into the fixture. The voltage reads 12.5 v and I can...
SkiSmuggs's avatar
SkiSmuggs
Explorer
Feb 24, 2015
I ran into the same problem when I tried a cheap 12v extension cord to a 300w inverter, then to my CPAP via 120v adapter. The inverter itself shut down. A quality 12v extension by NOCO solved the problem, but I realized that my CPAP was designed to run of 12V. I ordered the 12V cord for it, installed a 12v outlet from my headboard reading light and everything was good. No inverter, no extension cord and no 120v adapter.

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