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

Full text
521. Each plug receptacle operating at over 300 V shall have a disconnecting device placed less than 1 m (3.3 ft) from the receptacle. This device shall be used to de-energize the receptacle before a plug is connected or disconnected.
O.C. 213-93, s. 521.