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  • Users: strobotach
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  1. strobotach

    Any Cheap Fractional HP VFD's yet?

    I'm talking dinky & cheap! :) For 1/20 hp & smaller single phase induction motors... Fan loads. Something you could plug in the wall, then plug in the motor. Would a VFD work with shaded pole and PSC motors OK?? Know any company that makes something? I'm familiar with triac phase shifting...
  2. strobotach

    Residential Wiring History

    When did these residential wiring changes happen? Become code or manufacturers changed products? 1. From screw-in sockets to 2-prong receptacles? 2. From two-prong receptacles to polarized plug and receptacle? 3. To 3-prong (grounded) plugs & receptacles? 4. GFI's required in bathroom &...

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