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    Now Available: CSA M421 Standard for the Use of Electricity in Mines

  • May 04, 2011

    CSA's M421 sets out the safety requirements for installation and maintenance of electrical equipment used in mines, quarries, and oil sands. It is designed to be used in conjunction with the Canadian Electrical Code. In this edition, new provisions have been made for portable and movable generators, portable power cables, grounding in permafrost environments, lightning protection of overhead lines, and electrical equipment installed around ammonium nitrate fuel oil (ANFO) magazines. Reference has been made to recent standards on Control of Hazardous Energy (CSA Z460) and Workplace Electrical Safety (Z462).

    Buy the M421 Standard