Mich. Admin. Code R. 400.10543 - Hall, stairways, and means of egress lighting; emergency lighting; large and secure facilities
Rule 543.
(1) In
large and secure facilities, all halls, stairways, and means of egress shall be
constantly lighted. Approved exit signs shall be installed over each required
exit. Exit directional signs shall be provided where exit signs are not readily
visible in means of egress. In new and converted large and secure facilities,
the circuits for this lighting shall be installed ahead of the main power
disconnect.
(2) In new and
converted multistory large and secure facilities, there shall be a system of
emergency backup lighting that is capable of maintaining required lighting for
not less than 24 hours in the event of power failure.
Notes
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