S-2.1, r. 9 - Regulation respecting concrete pumps and distribution masts

Full text
17. The control devices shall
(1)  be designed and manufactured in such manner that they cannot be accidentally switched on;
(2)  be laid out and identified in such a way as to prevent any error with regard to their functioning; and
(3)  be protected when they are in the OFF position by a device that prevents unauthorized use.
O.C. 1520-92, s. 17.