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Module: Uninterruptible Power Supplies
Uninterruptible Power Supplies

Uninterruptible power supplies (UPS) provide backup power on loss of main power to a system. The UPS is sometimes called a switching power supply and differs from a backup system such as a diesel in that it provides instantaneous switchover on loss of power. The principles of operation are the same whether backing up a desktop computer or a large power system.

This module takes 30 minutes to complete. At the end of this module, you must obtain an 80% or higher on the Test Your Knowledge for it to be marked as complete. You have unlimited attempts and the highest attempt is recorded.