CFR /  Title 46  /  Part 111  /  Sec. 111.103-7 Ventilation stop stations.

Each ventilation stop station must:

(a) Be protected by an enclosure with a glass-paneled door on the front;

(b) Be marked, ``In Case of Fire Break Glass and Operate Switch to Stop Ventilation;''

(c) Have the ``stop'' position of the switch clearly identified;

(d) Have a nameplate that identifies the system controlled; and

(e) Be arranged so that damage to the switch or cable automatically stops the equipment controlled.