Plug under drawers under sink; what is it for?

[Gliddenwoods]

Morning

When repairing/upgrading drawer slide/latch and basement access cover system I noticed the plug in the attached photo. I know several of the informed minds on the Forum can/will be able to simply answer my question in seconds. What is this electrical line's function and why the use of a plug in the basement?

Thanks.

[Tom and Doreen]

I believe that it's used for a certain model of refrigerator that used 110VAC.  My '23 model has one as well.  Oliver wanted to have an AC option available  if they decided to change refrigerator types / brands.  The end of the cord in my trailer feeds up to the back of the refrigerator but it isn't connected to anything (since I have a 12V refrigerator).  It's basically an extension cord. 

Edited 23 hours ago by Tom and Doreen

[Steve Morris]

My 2023 has the same outlet, and I think Tom is correct in that it is for AC power to the fridge. I used that outlet with a 12 ga extension cord to supply power to my exterior AC outlet under the folding table. I tapped into the fridge's 12V DC power for the cigarette outlet.

[Steph and Dud B]

Yep, that's for an AC powered fridge.

[Ronbrink]

22 hours ago, Gliddenwoods said:

What is this electrical line's function and why the use of a plug in the basement?

You are being well advised, refrigerator power supply. Many have experienced the fridge cord coming unplugged and thus, a simple fix is to secure it with a zip tie as illustrated in your pic.