CAN/CSA-M421-93
1.1
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.
OEN:
CSA
Langue:
English
Code(s) de l'ICS:
29.260.20;
73.100.01
Statut:
Annulée
Date de Publication:
1993-06-29
Numéro Standard:
CAN/CSA-M421-93