Community Forums

traveldawg · 06-29-2024, 07:20 PM

Do these things really work?

Can you run 2 air conditioners using something like this at a 30 amp campground.

Example here

Skip426 · 06-29-2024, 07:52 PM

Your 50 amp coach , actually is 2, 120 volt lines at 50 amp supply ; so a total of 100 amps of 120 volt power .
30 amp + 15 amp = 45 amp so UNDER half of what your coach requires to fully operate everything.

And with splitting the 45 amp power to each of the power legs = 22.5 amps , you may be able to run two A/C units but most likely that's all , inverter/charger, could overload , any appliance could overload.

Continuous monitoring for overheating of the Y adaptor with A/C units running would be required.

TacomaJoe · 06-30-2024, 07:41 AM

That adapter will not work if the 15A circuit is GFCI protected. Just plugging in will trip the GFCI.

twinboat · 06-30-2024, 07:52 AM

The adaptor doesn't combine the 30 and 15 circuits and then split them evenly to 22 amps.
It sends 30 amps to one leg and 15/20 amps to the other. If the second outlet is 20 or 30 amps, and not GFCI, a second AC can be easly run.

As mentioned, it will trip a GFCI on the pedestal because the neutral is shared in the adaptor, creating a second path for the neutral to by-pass the GFCI. Un-balanced neutral and hot trips GFCIs.

zrock2010 · 06-30-2024, 08:12 AM

who ever designed those should be smart enough to pull them off the market..

TacomaJoe · 06-30-2024, 09:02 AM

I posted on this thread: https://www.forestriverforums.com/fo...al-278607.html

Deleted a link that didn't run to the desired resource, I'll dig a little to find it.

Found it: https://www.forestriverforums.com/fo...-a-260696.html

traveldawg · 06-30-2024, 01:11 PM

Quote:

Originally Posted by TacomaJoe

I posted on this thread: https://www.forestriverforums.com/fo...al-278607.html

Deleted a link that didn't run to the desired resource, I'll dig a little to find it.

Found it: https://www.forestriverforums.com/fo...-a-260696.html

Thanks for that link. Lots of good info over on that forum about how the adapter works, why it won't work with a GFCI, etc.

I decided I won't get that adapter. After some 30+ years of camping I haven't needed one so no need to start now.