Patent ID: 7511934

Claim:
A system for conditioning an alternating current (â€œACâ€) power transmission for supply to a load circuit, the system comprising: a power conditioning circuit comprising a voltage surge protector for eliminating voltage spikes in the AC power transmission, a voltage sensing circuit for monitoring a voltage level of the AC power transmission, and a hysteresis circuit comprising a zener diode operably connected to a relay that controls an overvoltage hysteresis range having an upper limit and a lower limit; means for electrically coupling the power conditioning circuit to a source of AC power; outlet means for electrically coupling the power conditioning circuit to a load circuit; the power conditioning circuit adapted so that: (i) upon the voltage sensing circuit detecting that the voltage level of the AC power transmission exceeds an upper limit of the overvoltage hysteresis range, the AC power transmission is prohibited from reaching the outlet means; and (ii) if the AC power was prohibited from reaching the outlet means as a result of the voltage sensing circuit detecting that the voltage level of the AC power transmission exceeded the upper limit of the overvoltage hysteresis range, the AC power transmission is restored to the outlet means upon the voltage sensing circuit detecting that the voltage level of the AC power transmission falls below the lower limit of the overvoltage hysteresis range.