Dedicated lines from subpanel - Page 3
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  1. #21
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    Re: Dedicated lines from subpanel

    I had a dedicated 100A electrical sub-panel with (4) 20A circuits installed just outside my dedicated listening room. Twisted pair wiring (#12) is used for each circuit with the neutral and hot wires wrapped on 2" centers and the ground wire placed parallel in PVC conduit. A paper presented at the 2010 AES 129th Convention shows this method has the lowest ground voltage induction tested.
    ________________________________
    Len
    Acoustic Frontiers Room Design, Raidho D3 speakers; Jeff Rowland Corus preamp & 625 amp; EMM Labs XDS1 v2 CD/SACD player; Solidtech ROS; Nordost cabling, Ti Pulsar Points, QB4 power distributor; Quantum QX4 power conditioner; Ultrasonic LED shelving
    http://systems.audiogon.com/systems/5013

  2. #22
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    Re: Dedicated lines from subpanel

    That's a great way to do AC power.

    The Bill Whitlock paper:

    Ground Loops: The Rest of the Story
    Bill Whitlock, AES Fellow and Jamie Fox, P.E.
    This paper was presented at the AES 129th Convention, 4-7 November 2010, San Francisco, CA, USA

    http://www.jensen-transformers.com/w...ic-Version.pdf

    * * * * * * * * * * * * *
    random general thoughts for other planners:
    a] Most hi-fi setups only need one 20 Amp circuit.
    b] I like to oversize the wires by one size.
    c] Only need one twist about every 4 or 5 inches.
    d] The electrician will go bananas when you tell him about twisting.
    e] Because it's plastic conduit (rigid or flexible) Isolated Ground receptacles are not beneficial.

  3. #23
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    Re: Dedicated lines from subpanel

    Something else to add I haven't seen mentioned here already: Audio Sensibility can sell cryoed 10 gauge romex, or can cryo anything else you want frozen, if you are into that sort of thing...

    http://audiosensibility.com/blog/acc...=0&sort=normal

    http://audiosensibility.com/blog/technology/cryogenics/
    Linn Genki/DSD files>exasound e22>Marchand XM44>Nord OneUp NC500 x2>Magneplaner 3.6r: Wireworld digital, Transparent Plus RCA's & XLR's, Audio Sensibility power cords, Solid Tech reference rack, Mye Stands, RCPC Pro 400, Hubbell outlets & dedicated lines, DIY RPG diffusor & panels

  4. #24
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    Re: Dedicated lines from subpanel

    A cyroed cable only stays cyroed until you flex it.

 

 
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