Leviton S2000-PS 120 Volt/15 Amp, Office Grade Surge Strip, ABS Plastic Enclosure, 6-Ft, 5-15P plug Ground pin to outside for more transformer configurations Diagnostic LEDs for surge protection, polarity and ground verification Audible alarm indicates loss of protection Provides excellent surge suppression and EMI/RFI noise attenuation for microprocessor-driven electronic equipment;Total_power outlets :9 Indicator lights confirm unit is operating and properly grounded