Without doubt, power interruptions cause major problems for home and business computing. An unpredictable power supply can lead to worrying problems events such as surges, spikes, brownouts and utility failures. If any of these should occur, there’s a strong chance you will suffer from loss of critical data, lowered productivity and even damage to your expensive equipment.All electrical and electronic equipment, connected to the mains supply is at risk of being damaged from spikes, surges, lightning, brown-outs, power-cuts (blackouts), power back surges, and over-voltage.FK encompasses a wide range of power protection products for use in many different industries where clean, regulated mains power is critical to their continued operation.The FK TV/DVD guard is an overvoltage protection device rated at 13 Amps. The TV guard will disconnect if the mains go above the upper limit and re-connect automatically after the supply returning and remaining below the upper limit for the duration of the wait time.