+1 @twoleftears then a good power conditioner. I bought a used Audience AR1p and a Wiremold power strip that now powers my whole system on the cheap. Then worry about outlets. Here’s a great comparison of top outlets — I personally like the Maestro, but choose for your own tastes/preferences…
https://www.enjoythemusic.com/magazine/equipment/0114/audiophile_ac_outlets.htm