Allen Bradley, 1492 End Barrier for use with 1492-L3T, LG3T

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 blue colour

End Barrier, For Spring Clamp Type TB, 2 x 30.6 x 64.5mm (0.08 x 1.20 x 2.54 in), Blue, Pkg. Qty. of 50, for Use With 1492-L3T, LG3T

End Barrier, For Spring Clamp Type TB, 2 x 30.6 x 64.5mm (0.08 x 1.20 x 2.54 in), Blue, Pkg. Qty. of 50, for Use With 1492-L3T, LG3T