GFCI Box?

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  #1  
Old 11-18-05, 12:36 PM
jsaale
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GFCI Box?

As a kitchen appliance, should a dishwasher be on a GFCI circuit? I've heard of GFCI outlets, but is there a GFCI wiring box (dishwasher is hard wired)?

Jerry
 
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  #2  
Old 11-18-05, 12:53 PM
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A dishwasher does not need to be GFCI protected and generally is not. There is no code requirement to do so. The same is true for garbage disposals.

They make GFCI breakers which can be used to GFCI protect an entire circuit.

They make GFCI receptacles which you know about.

They make what they call faceless GFCIs. These are almost identical to GFCI receptacles except that they are not a receptacle. There is no place to plug something in. They have a test and a reset button on the front, and they have line and load terminals on the "inside".
 
  #3  
Old 11-18-05, 01:12 PM
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In a typical installation GFCI receptacles are used in areas where you will plug in an appliance or tool and use in an area where there is a higher risk of shock, such as near water (outside, garage, sinks, etc.) as you are no doubt familiar with. You generally would not need that protection on machines that are not personally accessed or touched during use (dishwashers, GDs, etc.) In fact, you generally DO NOT WANT your refrigerator/freezer on a GFCI circuit because if it trips due to the effects of lightning in the area, it may ruin its contents before you find out about it. I get calls after every storm here, and some of the stories involve lots of wasted meat.
 
  #4  
Old 11-18-05, 03:36 PM
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Originally Posted by MAC702
In a typical installation GFCI receptacles are used in areas where you will plug in an appliance or tool and use in an area where there is a higher risk of shock, such as near water (outside, garage, sinks, etc.) as you are no doubt familiar with. You generally would not need that protection on machines that are not personally accessed or touched during use (dishwashers, GDs, etc.) In fact, you generally DO NOT WANT your refrigerator/freezer on a GFCI circuit because if it trips due to the effects of lightning in the area, it may ruin its contents before you find out about it. I get calls after every storm here, and some of the stories involve lots of wasted meat.
This is a very good reason to have a dedicated circuit for the refrigerator and another for the freezer. However, if the freezer is in the garage, how do you get around the GFCI requirement? Is GFCI protection an absolute requirement in a Garage?
 
  #5  
Old 11-18-05, 03:42 PM
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Some inspectors will force you to put the garage refrigerator or freezer on a GFCI.

Others will allow it to be non-GFCI if the receptacle is behind the appliance (so that the appliance would have to be moved to use the other half of the duplex receptacle) or if a simplex receptacle is used.
 
  #6  
Old 11-18-05, 07:31 PM
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Originally Posted by Joe.Carrick
However, if the freezer is in the garage, how do you get around the GFCI requirement? Is GFCI protection an absolute requirement in a Garage?
The garage freezers are the ones I always get called about. Here, it is perfectly okay (and normal) to have a dedicated non-GFCI receptacle in a garage for freezer use. It is even permitted by inspectors to be a duplex instead of being a more expensive single. But it is "designed" for freezer-type usage only, even though everybody (including our inspectors) knows there is no control over what the eventual homeowner will do with it. I see lots of freezers in garages plugged into GFCIs when there is a freezer plug not far away. Your second question will need to be answered by an electrician familiar with Code enforcement/variations in your area.
 
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