Commercial specification grade. Python grounding plug with 1-piece hinge construction for quick assembly. Triple-drive screws; straight blade, Phillips, and Robertson head. Clear thermoplastic back terminal cover, high impact-resistant nylon housing resists abuse. Curved and crimp-lock terminal clamps allow electrical connection without cutting wire strands. Wide cord clamp range (0.250 In. to 0.650In.) with removable inserts (18-3SVT to 10-3ST). Durable front module lock withstands punishment. Yellow. UL (Underwriter’s Laboratories) listed.