Allen Bradley, 1492 End Barrier for use with 1492-L10, LG10

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

End barrier for spring clamp terminal block
This has grey colour

End Barrier, For Spring Clamp Type TB, 3 x 42.5 x 73.5mm (0.12 x 1.67 x 2.89 in), Gray, Pkg. Qty. of 20, for Use With 1492-L10, LG10

End Barrier, For Spring Clamp Type TB, 3 x 42.5 x 73.5mm (0.12 x 1.67 x 2.89 in), Gray, Pkg. Qty. of 20, for Use With 1492-L10, LG10