Terminal Block Jumper Compatible with Series TRH IDC Terminal Block TRP Push-In Terminal Block TRR Spring Terminal Block TRV Screw Terminal Block Contact Material Copper Insulation Material Plastic Number of Poles 2 Overall Length 0.91 in Color Red Compatible Manufacturer Model Number NSYTRV42 NSYTRV42BL NSYTRV42PE Compatible Grainger Part Number 23NY09 23NY10 23NY15