(25 PIECE LOT) CAMBION 461-2871-01-03-12 Jumper Busbar Shorting Plug, 2 Pos 5.08 mm. The 461-2871-01-03-12 is a 2-position Shorting Plug for use with 450 series jacks/sockets. It has red gold over nickel-plated brass pin and polypropylene insulation.