Ultrasonic welding and integrated construction of the strap and body. Backwire clamps on the side terminals for installation of #12 and #14 wire. Redesigned paddle. 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, VO rated. UL and cUL Listed, Meets all UL20 requirements, file # E18704. Carded.