infinity said:
The difference that 422.32 is for a motor driven appliance which is not the same as an appliance with a motor outlined in 422.31(B).
It's not?
Can you show anything that backs that up?
Since the NEC does not provide a definition as to what the difference between a motor driven appliance is, and what a permanently connected appliance is, this thread is about someones opinion.
I don't really agree, all posts here are in fact opinion.
However
IMO a motor driven appliance can be either a cord a nd plug or permanently connected appliance.
Your opinion is that 422.32 applies to a dishwasher.
There is no reason to believe otherwise.
A DW is an appliance
A DW is driven by a motor.
My opinion and the one expressed by the AHJ in the State of NJ is that 422.31(B) applies to a dishwasher and a breaker lock is permitted.
Which is fine
if the DW has a NEC compliant unit switch. (You don't see how this little tidbit may be forgotten about over time?)
We use them all of the time without fail.
And you know as well as I do that means nothing as far as what the NEC actually requires and how it is enforced.
If all appliances with a larger than 1/8 hp motor fall under 422.32 than why are the words "Appliances Rated Over 300 Volt-Amperes or 1/8 Horsepower" in the title of article 422.31?
Because 422.31 gives permission to use a breaker lock with both Appliances Rated Over 300 Volt-Amperes or 1/8 Horsepower.
It does not indicate at all the location of that breaker so far it would be the installers choice.
However than 422.32 comes along and tells us specifically if we do use the breaker for a motor appliance it will have to be in sight.
I can't find another way to say, the sections say it clearly on their own.
Your argument seems to be based solely on the 'We have always done it that way' exception while I believe my argument is based on the words in the NEC.