800T-Q10 30mm Allen Bradley metal 800T-Q10 30mm Allen-Bradley indicating lamp, pilot light. Condition: Used, but like new. Late model. See close up views for quality, actual items in photo, WYSIWYG. The 30 mm Bulletin 800T and 800H device product line is designed and constructed to perform in the most demanding industrial environments. Bold yet functional, rugged yet attractive, A-B operators represent the world's most innovative and unique switch.