Linergy NEMA sectional terminal blocks are for terminating wire and are designed to NEMA standards. Terminal block jumpers are used to make one side of several terminal blocks to have a common source. This 6 pole jumper is made of copper. The spacing of this jumper is designed to work with 9080GR6 or 9080GK6 terminal block. This jumper with carry the 60 amperes of the 9080GR6 and 40 amperes of the 9080GK6 terminal block.