Lampholder with internal shunt connection for T-8 and T-12 lamps, Turn-type, low profile, medium bi-pin Lampholder with internal shunt connection, Knife-edge contacts, Body is molded, white thermosetting urea, Quickwire pressure terminals accept stranded No.18 gauge twisted and over tinned or No.18 gauge solid or solder-dipped leads, stripped 3/8 inch. Recessed wire well completely encloses conductor, insulating against shorts. The recessed wire well on one side of the Lampholder is blocked off and labelled “SHUNTED,” and the back cover is stamped “S” to help prevent improper applications.