Question about Generac HTSN400G 400Amp HTS 3ph 120/208V Automatic Transfer Switch

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Wiring a dimmer switch with 208vac, single pole

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208 Volt 2-wire is generally achieved by pulling two hot wires off 3-phase 120/208 Wye or 208 Delta, or Highleg to center tap off high leg delta.
http://waterheatertimer.org/How-to-wire-3-phase-electric.html
http://waterheatertimer.org/images/3-phase-timer-diagram3-T104-208-240.jpg

Since each of these three phase systems also offers 120volt for lights, and a dimmer can be used for lights, then I wonder what you are using dimmer for?

208 volts.can be controlled by turning off one hot of the two hot wires.
Install dimmer on one of the hot wires, and see what happens.
Is the dimmer rated for 208 volts?

Add a comment and say what you discover.

Posted on Jan 05, 2013

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9b780ea.jpg
The photo shows the master 'smart' dimmer, but you purchased the remote 'smart' dimmer that is slave to the master dimmer.

So you are correct, that is not the correct dimmer for a single-pole application.
Cooper brand Aspire dimmers are available in 'Smart' dimmer and just plain old dimmer.

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