This product is suitable for grounding of electric equipment.Both individual protective earth and ?working reference filed?of kinds of electronic equipment areconnected to this box,then they are leaded to earth device separately,to get the aim of one-point earth (earth resistance value Is designed referring to design).
Furthermore,the box is set with varistor,in case that the building subjects to the thunder,the high voltage will break down the varistor,however,only the equipment connected toearth tandem box plate is connected with building lightning protection earth to form an equipotential bridge connection,the safety of both the equipment and human saf.
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