Allen Bradley, 1492 End Barrier for use with 1492-J16, J6FB1, J6FB2, J6FB124, J6FB148, J6FB224, J6FB248, J6FB1120,

The Rockwell Automation end barriers are required to provide the necessary insulation for the last terminal block in a group.

End barrier for screw type terminal block
This has blue colour

End Barrier, For Screw Type TB, 1.5 x 49 x 60mm (0.06 x 1.93 x 2.36 in), Blue, Pkg. Qty. of 20, for Use With 1492-J16, J35, J6FB1, J6FB124, J6FB148, J6FB1120, J6FB1250, J6FB2, J6FB224, J6FB248, J6FB2120, J6FB2250

End Barrier, For Screw Type TB, 1.5 x 49 x 60mm (0.06 x 1.93 x 2.36 in), Blue, Pkg. Qty. of 20, for Use With 1492-J16, J35, J6FB1, J6FB124, J6FB148, J6FB1120, J6FB1250, J6FB2, J6FB224, J6FB248, J6FB2120, J6FB2250