Normally you don't GFCI protect fixed appliances. Roof De-ice being an exception. Just to let you know I have had inspectors make me install a single receptacle for the disposal so nothing else can be plugged in down there.
There is a single recep, under the kitchen sink in our home, that is fed by a 15A multi-wire circuit. One half of the recep is switched, and supplies the disposer. The other recep supplies the dishwasher. Of course the recep is supplied by a 2-pole breaker.
Northbayec - I read 210.8(A)(3)Exception and the NEC Handbook commentary in 426.28. The second to last paragraph in the commentary says, "It is important to understand that this required equipment protection is not the same as a ground-fault circuit interrupter used for personal protection that trips at 5 milliampteres (+/-1 milliampere)." Is the equipment the NEC is not referring to, the standard GFCI receps referred to in 210.8?
Re: GFCI garbage disposal?#46271 12/18/0412:04 AM12/18/0412:04 AM
No GFCI for disposals around here (western Pa), countertop recpts only in the kitchen.
Typically hard wired as are the dishwashers. The exception being tract houses which we install a switched standard duplex 15amp recpt on it's own 20a circuit in the sink base for the disposal. Another one unswitched on the wall behind the dishwasher also on it's own 20a circuit. No GFCI in either case.
Re: GFCI garbage disposal?#46272 12/18/0404:46 AM12/18/0404:46 AM
iwire No, I know it is not required but I was wondering if any of you guys typically install one. What sparked my curiousity on this subject was an online installation manual for a particular brand disposal (forget which one off hand) that "recommended" connection to a GFCI receptacle. I thought, hmm, that's interesting cause I've never done so and was just wondering if others do. Keep in mind the manufacturer usd the term "recommend" not "required".