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CAN/CSA-M421-93
Use of Electricity in Mines
SKU: 2409842
Published by CSA Group
Publication Year 1993
61 pages
Withdrawn
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Preface
This Standard establishes minimum requirements for all electrical work and electrical equipment operating, or intended to operate, in mines and quarries. 1.2 This Standard is intended to be used in conjunction with CSA Standard C22.1, the requirements of which apply unless modified in this Standard.
This Standard establishes minimum requirements for all electrical work and electrical equipment operating, or intended to operate, in mines and quarries. 1.2 This Standard is intended to be used in conjunction with CSA Standard C22.1, the requirements of which apply unless modified in this Standard.