Outlets and gem boxes


Happy New Year Audiogoners!

I will be installing a new dedicated 20amp circuit for my 2 channel system using 10awg cryo treated cable connected to a Furutech GTX D outlet with aluminum wall plate and cover from same manufacturer to shield from RF/EMI. That said, do I need to consider some way of shielding the gem box in the wall that the outlet is fastened to. Any thoughts on this. Thanks for your support.
audiofool1
Yes. the interior wall is sheet rock and the exterior wall is brick. 2x4 construction.

Outside wall. Cold winter climate?

Has the electrician said what type of bigger box he is planning on using? Will the hole in the wall for the new rough-in box need to be bigger than the duplex cover plate and therefore need to be patched and repainted?

By chance do you have the Furutech GTX D outlet? If so measure the total width 'wing' to 'wing'. What does it measure?
Yes. Outside wall cold climate. He did not say which box he would use. The  sheet rock should be able outlet measures 1.75" wide at the wings. I think the sheet rock should be able to be cut close to the box and not require patching. I think the cover plate will cover the opening in the wall completely with no gaps.

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