ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1 KV A.C. AND 1,5 KV D.C. EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES. PART 4: RESISTANCE OF EARTH CONNECTION AND EQUIPOTENTIAL BONDING.
NORMA vydaná dňa 24.9.1998
Designation standards: UNE-EN 61557-4:1998
Note: NEPLATNÁ
Publication date standards: 24.9.1998
The number of pages: 29
Approximate weight : 87 g (0.19 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE