Reply by TorxNut

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Posted on converting a unisaw 1.5hp motor from 115 volt to 220 volt

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58 posts in 1924 days

#1 posted 04-16-2013 04:03 AM

A few years ago I converted my Ridgid 3660 table saw and Sears RAS from 120 to 240 volts. I figured the motors would start faster and maybe give a little more power. It made absolutely no difference. I even recorded the sound of the machines starting up before and after – no difference.

In this case the supply circuit was 12 gauge wire on a 20A breaker for both the 120 and the 220. Because the 120V circuit was a fairly short run with 12 gauge wire, the motors were getting all the power they needed to run properly on the lower voltage.

A 100 foot extension cord, as mentioned above, is a bad idea.


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