S-2.1, r. 13 - Regulation respecting occupational health and safety

Full text
192. Emergency stop: Subject to section 270, any machine whose operation requires the presence of at least one worker shall be equipped with an emergency stopping device or switch.
This device or switch stops the machine, considering the machine’s design, in the shortest possible time. In addition, it has the following characteristics:
(1)  it is easily visible and within reach of the worker;
(2)  a single action activates it;
(3)  it is clearly identified.
The resetting of the emergency stopping device after it is used shall not by itself cause the machine to start up.
O.C. 885-2001, s. 192.