IEEE Guide for Measurement of Impedance and Safety Characteristics of Large, Extended or Interconnected Grounding Systems
NORMA vydána dne 25.6.1992
Designation standards: IEEE 81.2-1991
Note: NEPLATNÁ
Publication date standards: 25.6.1992
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategorie: Technické normy IEEE