Reddit reviews LiteFuze LT-5000 5000 Watt Voltage Converter Transformer - Step Up/Down - 110V/220V - Circuit Breaker Protection [5-Years Warranty]

A few things to consider:

1. Yes, it's possible to get 220/240V in an American house, in fact most modern houses have a higher voltage connection in the laundry (for the dryer) as well as for electric stoves. These appliances use a special plug, that you can get from most home improvement stores.
   
2. Beware that even though you can get 220V, the frequency is different. USA uses 60Hz, while most of the rest of the world uses 50Hz. This could affect your power supply if it's not designed for multi frequency.
   
3. Check with a licensed electrician if there are no code restrictions where you live, hopefully the only requirement is to have a GFI type breaker if you're installing in a place that could get wet.
   
4. Be prepared to pay an electrician about $1000-$1500 to bring in a new circuit from your breaker box, I had this done in my basement to support some reflowing equipment (for fixing BGA CPU's) that required 220V circuit.
   
5. You technically could do it yourself, however since you stated "no clue when it comes to electricity", I'd get a licensed pro in to do it (else the results could be rather shocking... haha)
   
   After all that - are sure it's not easier just to get a 110V rated PSU for your equipment instead? Doing this is probably a lot cheaper/easier that trying to hook up 220V... Or how about one of these bad boys? Here's another great article that you might enjoy reading on the subject.

you would need to get something specialized.. the ones for your hair dryer in the travel kit aren't rated for sustained high draw.

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call a german electrician.

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you need a step down converter rated for 1500W or so

http://www.voltconverter.com/how-to-choose-a-voltage-converter.html

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this one is 5k watts max

https://smile.amazon.com/LiteFuze-LT-5000-Voltage-Converter-Transformer/dp/B008GQTXS0/

I'm assuming you're in the US? If you really want faster water you could always get a 220v kettle like this or this. Only problem is you'd need a pretty chunky transformer to power it.

You know, I've considering trying to get 2.8-ish kW out of a TT-30 by using a step-up transformer in line, to turn it from 120x30 to a 240x15. Something like this should work:
https://smile.amazon.com/LiteFuze-LT-5000-Voltage-Converter-Transformer/dp/B008GQTXS0

The idea being, split the 120v into two-phase 240v and cutting the current in half. You trick the Bolt into pulling about twice as much power from the outlet.

The motor, no. You can use the saw as-is with a step-up transformer sized for the load+10% (min 3.2kw). Like this one.

Unfortunately your wiring probably wouldn't support it. Most 120v household outlets are 20A. You would need a 30A circuit (at 120v).

Shame, a Unisaw is a nice machine.

Edit: if it were mine. Depending on how long I plan to be there but if I had split phase in the house and the garage wasn't far, I'd run a 230v line to the garage. A bit of work, not much cost and probably totally illegal where you live without permits and electricians.