PART XXXIII USE OF ELECTRICITY IN MINES — Supply systems for mobile electrical equipment
693
(1) Supply systems for mobile electrical equipment shall be tested before being put into service, and at least once a year thereafter, in order to prove the effectiveness of the ground fault tripping and the ground conductor monitoring circuits.
693(2)
A record of the tests required under subsection (1) shall be kept at the mine and shall be available for examination.
693(3)
There shall be separate disconnecting means, overload protection, and ground-fault protection for each motor or group of motors.
693(4)
Grounding and bonding of electrical apparatus on board mobile electrical equipment shall be in accordance with the Canadian Electrical Code, Part I.
Not legal advice. Verify the cited article against the signed agreement.