210.8D
- Thread starter arnettda
- Start date
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- Location
- New Jersey
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- Journeyman Electrician
From the 2014 and 2017 NEC:
From the 2020 NEC:
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rnatalie
Senior Member
- Location
- Catawba, NC
- Occupation
- Retired Electrical Engineer
Note that 422.5 (A)(7) requires dishwashers to be protected by GFCI whether they are connected by cord and plug or hardwired. This is new for the 2020 code.
- Location
- New Jersey
- Occupation
- Journeyman Electrician
Just curious, how is that different than the 2017 requirement in 210.8(D)?
kwired
Electron manager
- Location
- NE Nebraska
Requirements have not changed. Location in code and maybe a little different wordsmithing is all that really changed.
Though I don't necessarily agree with dishwashers needing GFCI protection, it still makes more sense for this requirement to be in 422 instead of 210.8 which is generally about receptacle outlets that require GFCI protection.
rnatalie
Senior Member
- Location
- Catawba, NC
- Occupation
- Retired Electrical Engineer
Residential dishwashers historically have escaped GFCI protection in earlier revisions of the code. The operative changes were around 2011 version of the code which made a receptacle within 6' of a sink required it, even in kitchens. Otherwise, unless you plugged it in on the countertop, GFCI wasn't mandated.
In the 2014 code and earlier. Article 422 (Appliances) spread the GFCI requirements out with the particular appliances: tire inflation and automotive vacuum machines for public use, high-pressure spray washers, vending machines, and drinking fountains. The 2017 code relocated these five items into 422.5 while also coalescing the various things about plug-mounted GFCIs and the like that was scattered throughout the article as well.
2020 added sump pumps and dishwashers to the list.
In the 2014 code and earlier. Article 422 (Appliances) spread the GFCI requirements out with the particular appliances: tire inflation and automotive vacuum machines for public use, high-pressure spray washers, vending machines, and drinking fountains. The 2017 code relocated these five items into 422.5 while also coalescing the various things about plug-mounted GFCIs and the like that was scattered throughout the article as well.
2020 added sump pumps and dishwashers to the list.
- Location
- New Jersey
- Occupation
- Journeyman Electrician
Do you agree that the 2017 NEC required GFCI protection for dishwashers? It sounds like you're saying that didn't appear in the NEC until the 2020.
rnatalie
Senior Member
- Location
- Catawba, NC
- Occupation
- Retired Electrical Engineer
That is the case to my understanding. Unless your dishwasher happened to be plugged into a receptacle otherwise covered by 210.8, there was no strict requirement to have GFCI protection until 422.5 was changed in the 2020 code. The relocation I believe Kwired is referring predates the addition of the dishwasher requirement.
- Location
- Chapel Hill, NC
- Occupation
- Retired Electrical Contractor
That is because you are in NC. We have an amendment that deleted the requirement for gfci on dishwashers.
- Location
- New Jersey
- Occupation
- Journeyman Electrician
It was added in the 2014 NEC, reference is in post #2.
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- Location
- Illinois
- Occupation
- retired electrician
Actually 210.8(D) was new in the 2014 code.
One of the issues is far too many code users do not understand the meaning of "outlet" and read it as "receptacle".
- Location
- New Jersey
- Occupation
- Journeyman Electrician
You're right, I fixed it.
kwired
Electron manager
- Location
- NE Nebraska
Dennis pointed out you did have a local amendment that did not recognize a change that happened in 2014 involving GFCI protection of dishwashers. Actual NEC did require GFCI protection of dishwashers in dwelling units in 2014 in section 210.8. The reason wasn't as much for shock/electrocution prevention as is the reason for nearly all other GFCI rules but rather an issue with a component failure on many models that was starting fires, GFCI's happened to be responding to this failure. Whole thing should have been CPSC forcing a recall and have the manufacturers of these appliances fix the issue, instead they found a way to convince NEC to put this requirement in.
The requirement remained in 210.8 in 2017. 2020 the requirement didn't change, but was moved from 210 to 422, and is no longer limited to dwellings either. IMO makes a little more sense for it to be there. 210.8 is pimarily about GFCI protection of receptacles, though they added some non receptacle situations in 2020 - crawl space lighting and all outdoor outlets at dwellings (which includes almost all hard wired items that are outdoors). Only other non receptacle thing that has been in 210.8 is boat hoists
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