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277 volt lighting panel.
Get free shipping on qualified 277 or buy online pick up in store today in the lighting.
277 480 volts is brought in as the primary power and then piped out to the warehouse to be used for motors and machinery and to be connected to a 120 208 volt 3 phase 4 wire wye.
White integrated led troffer light with 4800 lumens 4000k 0 10 volt dimming driver model 24gr ld5 48 f1 unv l840 cd1 u.
A three phase four wire distribution system running at 277 volts is used for high voltage lighting like fluorescent lights.
The fluorescant lighting in the offices can be 277 volts.
Lithonia lighting outdoor 7 wide 23 watt integrated led 120v 277v 72 cri 4000k commercial flood light from the contractor select collection model.
Then we will install transformers and panels to make 480 into 208y 120 volt for the general purpose power.
White integrated led flat panel troffer light fixture at 4200 lumens 4000k.
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.
120 208 volts with 277 480 volts a well planned office or factory takes advantage of both voltages.
Here in the us a 480y 277 volt electrical service is very common almost any building of good size in my area will have a 480y 277 volt service and that will be used to supply as much of the loads as possible motors machinery lighting etc.