Electrical installations for open-cast mines and quarries. Recommendations for winning, stacking and processing machinery, pumps and low signal level and communications systems.
NORMA vydaná dňa 30.9.1988
Označenie normy: BS 6907-4:1988
Dátum vydania normy: 30.9.1988
Počet strán: 16
Približná hmotnosť: 48 g (0.11 libier)
Krajina: Britská technická norma
Kategória: Technické normy BS
Guiding principles for installation and operation of electrical equipment to ensure safety of persons, livestock, property and the proper functioning of the plant. Status: Confirmed