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Wiring Bandsaw for 220v

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Forum topic by Blakep posted 02-14-2011 10:52 PM 2471 views 0 times favorited 4 replies Add to Favorites Watch
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Blakep

232 posts in 2262 days


02-14-2011 10:52 PM

Ok guys my bandsaw came in today and I am still at work right now but I am trying to plan for when I get home :). I am going to run my bandsaw on 220 because I have three emptly 220 breakers and plugs in my shop. My question is, the Grizzly manual recomends that you install a 15amp plug and recepticle. I already have two 20amp recepticles and breakers and a 30 amp in my shop. Do you guys see any harm in using the 20amp plug instead of the recomended 15amp?


4 replies so far

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HerbC

1592 posts in 2319 days


#1 posted 02-14-2011 11:35 PM

The manufacturer’s recommended plug and recepticle imply that the circuit (including the breaker) should be sized for 15 amps. If you don’t size the breaker @ 15 amps it will allow the saw motor to draw more current which can lead to overheating and damaging the motor. There are different configurations for 15, 20, and 30 amp plugs and recepticles to prevent you from plugging a lower rated motor into a higher rated circuit and vice versa.

If it was my shop and eqipment, I’d change the breaker and recepticle to 220 15A and put a 220 15A plug on the equipment power cable.

Be Careful!

Herb

-- Herb, Florida - Here's why I close most messages with "Be Careful!" http://lumberjocks.com/HerbC/blog/17090

View Alan S's profile

Alan S

178 posts in 2777 days


#2 posted 02-15-2011 12:20 AM

I am sorry Herb, but you appear to be misinformed about breaker size. Breakers are only meant to protect the wires in your walls, never equipment plugged into an outlet. If a motor is specified to draw 15 amps or less, using it on a 15, 20, or 30 amp circuit is perfectly acceptable. If you were to try to use a motor specified at 20 amps on a 15 amp circuit, the breaker would trip every time you turned on your machine because you are trying to pull too much current through undersized wires.

Blake,
You are perfectly fine running your 220v-15 amp motor on your 220v-20 amp circuit OR your 220v-30 amp circuit.

Alan

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Blakep

232 posts in 2262 days


#3 posted 02-15-2011 12:23 AM

Ok I just got my question answered the best way I know how, I called Grizzly haha. For future reference he said it wouldn’t hurt a thing and it would be perfectly fine to run my saw on 220v 20amp plug recepticle and breaker. So I guess I will leave it the way it is. Thanks for the reply, at least it got me to call and find out for sure haha

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Blakep

232 posts in 2262 days


#4 posted 02-15-2011 12:25 AM

Thanks Alan I posted before I saw your response. That was what I was thinking but I wanted some reasurance before I screwed something up.

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