The SSEM Is A Solid-State Electric Meter Used For Sub-Metering 240 Volt, Single-Phase Energy Consumption. Meter Plugs Into A Standard 4-Terminal Meter Socket. Solid-State Construction Ensures Accuracy And Durability. There Are No Moving Parts As With Older Electro-Mechanical Meters. 240 Volt, 3 Wire, Form 2-S, 5-Digit, LCD Display. Registers In Whole Kilo-Watt-Hours (kWh), No Tenths Digit, Polycarbonate Cover, Remanufactured & Tested For ANSI C12 Compliance, Accuracy +/- .5%. ***Not For Sale In California And Not For Use With Utility Metered Services***