Building a Power Strip, any advise?

Elizabeth, I'm trying to understand your quad twist. Are you saying you are using 4 12 ga wires that are twisted together and then connected to each connection on the outlet? If so, wouldn't that be like a 3 ga aggregate and how the heck would you connect that much wire to an outlet?
I must be missing something.

Ozzy, Cryoparts sells some nice readymade powertstrips at very reasonable prices as far as high end power strips go. By the time you buy a high quality non-ferrous enclosure and add up the cost of receptacles, power inlet and wiring, your total cot could be as much or greater than what Cryoparts is asking for the readymade item.

http://www.cryo-parts.com/index.php/audio-grade-power-strips/cryoparts

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Gbart, you are probably right. But I will have the knowledge of knowing exactly what my DIY is made of.

P.S. I did contact Cryoparts website and the phone number that was listed.I was told that the main man had died and they are no longer in buisness.

Four 12 gauge wires in a quad twist. thus two wires are for hot, two wires are for neutral. Those just fit into the aftermarket A/C plug (with one of the two additional grounds)
Two quads, and two wall plugs into the A/C duplex in the wall.
The run of wires is bundled so the two quads have the extra ground wires between them
The far ends at to common plastic A/C boxes. One box has the duplex split so the quad pair entering it have one pair for each half of that duplex outlet.
The other quad is split aat the end so each pair goes to it's own double duplex box a further 10 feet down from the first single box.
(So each end of the rack area has some power outlets)
One conditioner is on each of a quad. the others are spares.
The in wall duplex I added a real jumper of the same wire instead of just relying on the internal metal link between outlet pairs

I just purchased a Oyaide R1 outlet. So when I build the power strip I will use;

*Audience Cyroed,
*Maestro,
*Oyaide R1
*Synergistic Teslaplex.
Still waiting for many of the parts.