Hi Peter, I use a pair of PS Audio PowerPort Classics. They have a fantastic grip on heavy power cords. I haven't worried about connections since I installed them in 2007. It looks like PS Audio stopped making them, but I see them for sale on HiFi Heaven website. The price is reasonable at $50 each. The Furutech GTX-D NCF(R) are quite pricey at $281 each. I hopes this helps.
Good outlet for amplifiers
I have a circuit in my listening room for my amplifiers and it uses a dedicated ground. Right now I have two duplex outlets connected - and I use the primary outlet (first on the run) for the amps (reserve secondary for subwoofers if needed). I would like to install better quality outlets for this - two duplex, set up for a dedicated ground. I could see spending $100-$200 per duplex, if that gets me something decent. I want it to grip the plugs well. Recommendations?
PS - I'm running two VAC Phi-200 amplifiers (200w tube amps, KT88)