
IEEE Standard Preferred Voltage Ratings for Alternating-Current Electrical Systems and Equipment Operating at Voltages Above 230 kV Nominal
NORMA vydána dne 18.3.1993
Designation standards: IEEE 1312-1993
Note: NEPLATNÁ
Publication date standards: 18.3.1993
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategorie: Technické normy IEEE