non-magnetic grouding leads device can be widely uesed in subway,electrical equipment ,and comprehensive grouding connection.

non-magnetic grouding leads device can be widely uesed in subway,electrical equipment ,and comprehensive grouding connection between the water-proof leads devices,While being unaffected by electromagnetic induction itself,this device can also protect the grounding system from any stray current.The device consists of non-magnetic steel,sealing ring,leads copper and insulating solid compounds.