UL listed (file no.E18704). Meets all CSA requirements, C22.2 no.111. For use in fixtures, appliances and equipment. Shank is threaded 15/32 in - 32 x 15/32 in long. Keyed shank, hex nut and finishing nut furnished. 6 wire lead terminals, number 18, stripped 3/4 in. With end bell.