Ultrasonic welding and integrated construction of the strap and body. Backwire clamps on the side terminals for installation of #12 and #14 wire. Thermoplastic rocker, top and backbody are virtually unbreakable. Screws accept slotted, Phillips and Roberts on head tools for installation in both the U.S. and Canada. Longer, wider strap provides 40 percent more contact area to wall board. Virtually eliminates floating installations. Built-in wire stripper for #12 and #14 wire. Stippled ground screw standard. 120/277 volt AC rating for fluorescent lighting fixtures typical in commercial applications. Push in terminals accept #14 solid wire only. Temperature rating of -20 to 60 degrees C. Meets flammability requirements per UL 94, 6504, V2 rated,1 VO rated. UL and cUL Listed, Meets all UL20 requirements.