Industrial-grade. High impact-resistant thermoplastic housings with easy-grip grooves. Plated steel assembly screws are speed-threaded and captive, reducing installation time. Terminals in individual chambers to positively insulate conductors. Clearly marked rating, NEMA configuration and standard compliances (third-party listing) on face of device. Color-coded clamps identify amperage - blue 15 A. Terminal screws backed out; ready for wiring. Combination slot/Phillips head terminal, assembly and clamping screws. Meets all 498 requirements. 15 A, 125 V. UL listed. NEMA 5-15.