RCPT DPLX AFCI TR 15A/125V WHault and then quickly tripping to stop the flow of electricity to prevent the electrical system from starting a fire. Tamper resistant shutters. Large visual LED indicator light gives quick notification of tripped or end-of-life condition.Heavy duty thermoplastic construction. Tri-combo head terminal and mounting screws. Meets and exceeds 10ka short circuit testing and Underwriters Laboratories UL 1699A and UL 498 safety standards.