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I agree with Ryan's post, but will take it one step further.
For hallways and interior stairways of 6 or more risers, I require a lighting fixture of some kind, even if it is only a 'lamp holder' such as a keyless porcelain.

Just what NEC section gives you the ability to require luminaires?

Dave55 pointed out the same thing I would, that the exception to 210.70(A) specifically requires a receptacle in the outlet. However 210.70(A) does not require a luminaire.

You can not enforce what is not written in the code. [Linked Image]

Please read 210.70(A) and the Article 100 definitions of Lighting outlet and receptacle outlet.

I think Earlydean has the answer, building codes may require illumination, but not the NEC.

Bob

Bob Badger
Construction & Maintenance Electrician
Massachusetts