discount 70% in 2018-08-14 to 2018-08-16
price: USD$ 11.20
freight :USD$7.00,(Postal parcel)
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Grounding jumperThe two metal body (cabinet, tray, trough, steel, metal tube etc.) between the grounding metal connector (wire, round steel, flat steel, flat copper etc.). Refers to the ground bus in case of obstacles (such as building expansion joints and settlement joints connecting line is connected to) crossing, or the use of metal components, metal pipes as ground need connecting wire welding; common grounding cross line expansion joints, pipeline (settlement)flangeCrane, rail grounding jumper, engineering calculation according to the "office" as a unit.