Mine is the 15 gallon kettle as well. I went with the false bottom, but I haven’t brewed on it yet to offer my opinion. I also built my panel, and installed the outlet and gfci spa panel. Although, I probably could have bought the DIY eBIAB panel from ebrewsupply.com for what it cost to build...
First post, but agree with the Gfci statement. I feed a 50 amp spa disconnect from a 30 amp breaker in my panel. The spa panel feeds a 30 amp/4 wire receptacle. Anytime water and electricity can come in contact, especially where you are touching, needs to be ground fault protected. Here’s a pic...