UPS Cable Sizing & Installation

Whatever cable is selected it must be capable of continually carrying the currents required by the loads. This is referred to as a cable’s full thermal current rating. Incorrect specification of cables can result in prolonged operation beyond its designed temperature rating, which can cause premature failure, or at worst, a potential fire risk. The…

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How to Choose a Transformer

When choosing a transformer, there are two primary concerns: the load and the application. Several factors must be evaluated carefully while making the choice, to ensure that the needs of both primary concerns are met. To use a cliché, it is typically a ‘no-brainer’ to choose smaller transformers. A unit with a kVA rating that…

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