S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

Full text
507. The protection and control devices shall:
(1)  be placed, labelled or marked so as to identify the circuits or the electrical equipment protected or controlled by them;
(2)  indicate their opening and closing positions, when manually operated;
(3)  be installed so that they cannot be closed by gravity.
O.C. 213-93, s. 507.