CSA - M421-00
Use of Electricity in Mines
inactive
| Organization: | CSA |
| Publication Date: | 1 July 2000 |
| Status: | inactive |
| Page Count: | 65 |
scope:
This Standard establishes minimum requirements for electrical work and electrical equipment operating, or intended to operate, in mines and quarries.
This Standard is intended to be used in conjunction with CSA Standard C22.1, the requirements of which apply unless modified in this Standard.
Document History
January 1, 2023
Use of electricity in mines
Purpose
This Standard establishes minimum requirements for electrical work and electrical equipment operating, or intended to operate, at a mine.
Note: Users should be aware that federal,...
January 1, 2016
Use of electricity in mines
Purpose
This Standard establishes minimum requirements for electrical work and electrical equipment operating, or intended to operate, at a mine.
Note: Users should be aware that federal,...
January 1, 2016
Use of electricity in mines
Purpose
This Standard establishes minimum requirements for electrical work and electrical equipment operating, or intended to operate, at a mine.
Note: Users should be aware that federal,...
April 1, 2011
Use of Electricity in Mines
Purpose
This Standard establishes minimum requirements for electrical work and electrical equipment operating, or intended to operate, in mines.
Note: Users should be aware that federal,...
January 1, 2011
Use of electricity in mines
Purpose
This Standard establishes minimum requirements for electrical work and electrical equipment operating, or intended to operate, in mines.
Note: Users should be aware that federal,...
M421-00
July 1, 2000
Use of Electricity in Mines
This Standard establishes minimum requirements for electrical work and electrical equipment operating, or intended to operate, in mines and quarries.
This Standard is intended to be used in...
July 1, 2000
Use of Electricity in Mines
This Standard establishes minimum requirements for electrical work and electrical equipment operating, or intended to operate, in mines and quarries.
This Standard is intended to be used in...
July 1, 2000
Use of Electricity in Mines
This Standard establishes minimum requirements for electrical work and electrical equipment operating, or intended to operate, in mines and quarries.
This Standard is intended to be used in...
June 1, 1993
Use of Electricity in Mines
teThis Standard establishes minimum requirements for electrical work and electrical equipment operating, or intended to operate, in mines and quarries.
This Standard is intended to be used in...