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:) 3 phase induction motors are much different from single phase induction motors. There isn't any practical way to make a motor that could be easily switched between them. With the rise of VFDs you can easily run a 3 phase motor on single phase since the VFD takes the single phase, turns it...

Sorry, I was teasing you since residential units are 120v.

THATS why I keep blowing up refrigerators. :)

Thats a trick I want to see too.

If you have a 803 I totally agree with your comment about how to set the phase switch. If you have anything larger than a 803 then there is no single phase option. Its 3 way (phase) or the highway. Where I differ in your assessment is with the need for a transformer. If you look at the data...

I know it can be confusing to run residential single phase appliances on 2 phases of a 3 phase source but I assure you its OK (verify using appliance's data label). In the industrial world we do it all the time. A specific example is with freezers. In the biotech industry we use LOTS of...

Please don't try to make a generator output 240v when its set to 208. Use it as 208. Most appliances are rated for 240/208. Look at the labels. It may cause some derating for the appliance but it should work fine.