Allen Bradley, 1492 End Barrier for use with 1492-J4TW

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 yellow colour

End Barrier, For Screw Type TB, 1.5 x 41 x 69mm (0.06 x 1.61 x 2.72 in), Yellow, Pkg. Qty. of 50, for Use With 1492-J4TW

End Barrier, For Screw Type TB, 1.5 x 41 x 69mm (0.06 x 1.61 x 2.72 in), Yellow, Pkg. Qty. of 50, for Use With 1492-J4TW