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Subject - GFCI
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us284158
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I am wondering if someone could answer a simple question. I have converted a 2hp dust collector from 110v to 220v. The unit is in my garage so I planned to install a GFCI receptacle but have been unable to find one at the local home centers. Are GFCI’s required for 220 circuits?
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David Hyatt
| I am not sure what a dust collector is used for unless just what it says takes dust from the air. But GFCI'S are required in garages on 110 volt receptacles. This is to protect people from injury, if for some reason you need the dust collector on a GFCI, you will have to use a GFCI breaker, not a receptacle. But it may not even need that type protection.
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Scott Vickrey
| David you are right, GFCI protection is not required. Since this is a single receptacle installed for a specific appliance per 2002 NEC Section 210.8(a)(2). Also if the appliance is rated over 1/8th horsepower and permenantly wired (not plugged in to the wall) you need a disconnecting means. This can be the breaker panel if it's less than 50' away and can be seen from the appliance. Otherwise you'll have to install a disconnect.
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