Sometimes It’s as Simple as Using Ohm’s Law

Sometimes It’s as Simple as Using Ohm’s Law

Case study demonstrates how a $16 resistor protects a $10,000 transformer.

This story begins with a puzzling situation for building engineers at The Ritz Plaza in New York City. The two-year-old cold cathode cove light sitting above the indoor swimming pool saw its transformer burn up for a second time in 22 months. The first time the transformer failed, the manufacturer replaced it because it was still under warranty. But after the repeat failure, the building owner (Stonehenge Management) wanted answers before agreeing to shell out $10,000 for the new unit.<

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TAGS: Construction
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