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 back body are virtually unbreakable. Screws accept slotted, Phillips and Robertson head tools for installation in both the USA and Canada. Longer, wider strap provides 40% more contact area to wall board. Virtually eliminates floating installations. Built-in wire stripper for #12 and #14 wire. Stippled ground screw standard. 15 A, 120/277 VAC rating for fluorescent lighting fixtures typical in commercial applications. Push in terminals accept #14 solid wire only. Temperature rating of -20 to 60 deg C. Meets flammability requirements per UL 94, 6504, V2 rated, VO rated. UL and cUL listed, meets all UL20 requirements.