Mtl Pushbttn Canopy Switch UL Listed, (file no.E18704). Meets all CSA requirements, C22.2 no.111. Wide variety of sizes for use in fixtures, appliances, and equipment. Shank is threaded 15/32-32 x 15/32 long. Keyed shank, hex nut and finishing nut furnished. 6 wire lead terminals, #18 stripped 3/4. Temperature rating from -40 to 65 degrees Celsius.