Specifies requirements for equipment for measuring the resistance of earth conductors, protective earth conductors and conductors for equipotential bonding including their connections and terminals.
IEC 61557-4 Ed. 1.0 b:1997 History
IEC 61557-4 Ed. 3.0 b:2019
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IEC 61557-4 Ed. 1.0 b:1997
$15.00 $30.00
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