Allen-Bradley 800T-N21 Glass Cap for Pilot Light is a green color cap designed for the 30 mm Allen-Bradley 800T pushbutton pilot lights. As a replacement accessory, it snaps onto compatible 800T pilot-light assemblies to illuminate the indicator in green, helping color-code status in control panels. Catalog number 800T-N21 identifies it as a glass cap for pilot lights in the 30 mm 800T pushbutton family.
