A couple of options you can look into although maybe not "audiophile" rated. One get a switching power center such as a PS Audio that has the 12v switch and have the table turn on and off with any component that has a 12v trigger. Or you can go to Home Depot and they have a few different 120v remote controlled switches. I use these for lamps, fans etc.
Recommendation for TT power
I have a Nottingham Space 294 turn table. It has a great motor but no power switch. After having moved to a new place, I actually have to climb under the table every time I want to turn on the turntable which is getting annoying. I want to be able to turn on power using a remote. Any recommendations? My budget for this is under $500. Thank you in advance.