Allen Bradley, 1492 End Barrier for use with 1492-W3, W4, WG4

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 37 x 35mm (0.06 x 1.46 x 1.38 in), Yellow, Pkg. Qty. of 50, for Use With 1492-W3, W4, WG4

End Barrier, For Screw Type TB, 1.5 x 37 x 35mm (0.06 x 1.46 x 1.38 in), Yellow, Pkg. Qty. of 50, for Use With 1492-W3, W4, WG4