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Discussion in 'Wiki' started by derekleffew, Jun 1, 2009.

  1. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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    Las Vegas, NV, USA
    1. Lighting. See Three-fer.

    2. Sound. A loudspeaker with discreet drivers for High, Mid, and Low frequencies. See triamp.

    3. Electrical. A type of switch allowing for a fixture to be controlled from two locations; for example, a light over a staircase with two switches, one at the top and one at the bottom.

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