Code Q&A

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Mar 5, 2009 12:27 PM, By Mike Holt

Q. What are the NEC lighting and switching requirements for stairways?

A. In dwelling units, not less than one wall switch-controlled lighting outlet must be installed [210.70(A)(2)(a)]. Where the stairway between floor levels has six risers or more, a wall switch must be located at each floor level and at each landing level that includes an entryway to control the illumination for the stairway [210.70(A)(2)(c)].

There are no NEC requirements for lighting or switching in other than dwelling units, because this is a design issue.

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