Then we will install transformers and panels to make 480 into 208y 120 volt for the general purpose power.
277 volt lighting panel.
120 208 volts with 277 480 volts a well planned office or factory takes advantage of both voltages.
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These two voltages tend to go together because you do not need a transformer to use the 277 voltage which cuts down on energy and construction costs.
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The fluorescant lighting in the offices can be 277 volts.
The 277 480 volt system powers the industrial and commercial equipment at 480 volts while the branches of 277 volt wiring keep the lights on.
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Uses electrical discharge lighting is designed to run on 277 volt wiring.
The 480 volt wiring is generally used to power large industrial equipment and the 277 volt wiring powers industrial scale lighting.
A three phase four wire distribution system running at 277 volts is used for high voltage lighting like fluorescent lights.
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