Connect power and equipment to the UPS CAUTION HAZARD OF ELECTRIC SHOCK • A ll electrical work must be performed by a qualif ied electrician. • Adhere to all national and local electrical codes. • Disconnect the mains power and internal batteries before installing or servicing the UPS ...
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Today, all systems experience both hard and soft failures. Studies have shown that up to 80% of these failures are related to the quality of the AC power. Especially hard to identify are the soft failures such as lock-ups and error messages. While the uninterruptible power supply (UPSs) ...