Cord-and-plug equipment not fastened in place. 210.23(A)(1)

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tld38

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Hi, everyone. Please help me understand this NEC section. Having difficulty interpreting this. I have 8 sit down hair dryers that are cord and plug connected in a salon. I am telling the customer that each one is required to have a dedicated ckt, as each dryer,s nameplate states 10 amps. breakers continues to trip. None of the dryers have a rating that exceeds 16 amps. which is 80% of the 20 amp ckt. I am i miss understanding 210.23(A)(1)? Would these be considered equipment fastened in place? which limits the ampacity to 50%?
Thanks for your guidance everyone!
 
If they're sitting on the floor then IMO they're not fastened in place. If each one draws 10 amps then you should be able to have two on a 20 amp circuit if they will run simultaneously.
 
Tho these arent baseboard heaters or continuous loads, and have thermostats, they can run pretty much all day in a busy salon. Putting 2 of them on a 20A breaker is asking for problems, especially if there are other loads on the receptacles on those circuits, like curling irons or hair dryers.

The NEC isnt a design manual and imho it's also irrelevant here; the current design, even if up to code, is inadequate for the usage.
 
Has the breaker tripped with you on site? It sounds like the circuit may be shared. Is this new construction or tenant buildout?

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JFletcher said:
Tho these arent baseboard heaters or continuous loads, and have thermostats, they can run pretty much all day in a busy salon. Putting 2 of them on a 20A breaker is asking for problems, especially if there are other loads on the receptacles on those circuits, like curling irons or hair dryers.

The NEC isnt a design manual and imho it's also irrelevant here; the current design, even if up to code, is inadequate for the usage.
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I agree that they wouldn't be continuous. I also agree that putting two 10a loads on a 20a ckt is a bad idea. It works out fine on paper, but in reality you're asking for trouble. I'd do dedicated circuits to each or shared with a lighter load.
 
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