Jim W in Tampa said:
Does it not say at least 1 circuit ? So if i have 2 or 3 circuits then they are for the laundry. . . . Like it or not NEC says violation.
I don't agree that this is a violation, nor do I agree that any circuit passing through the room is not permitted to leave the room.
210.11(C)(2) acknowledges the plural "at least one" because it applies to multi-family dwelling units, and because a single family unit might have more than one washer. Anyone who has ever had two or more kids in diapers at the same time would know the value of extra washers and dryers.
There is a difference in the way various articles in the NEC are worded, from the viewpoint of "how many are needed." One way is to say "at least one. . . ." That phrase tells us that once you have one, you have satisfied the rule, but that you are welcome to have more than one. But this series of words does not contain any prohibition. It does not say that you can't have other things of a different nature in the same area. So when 210.11(C)(2) requires "at least one" laundry circuit, it is not prohibiting installing a general purpose receptacle circuit, or a lighting circuit, or a welding outlet, or a hard-wired garbage disposal in the laundry tub, or a water heater, all in the same "laundry area." None of those circuits carry a "shall have no other outlets" constraint.
As a counter-example, the "at least one" manner of wording is different than the wording of 210.52(B)(1). It uses the phrase "2 or more" followed by the phrase "shall serve
all. . . ." So if I see a receptacle on the wall of the dining room, then I know that the circuit serving it is, by rule, a Small Appliance Circuit.