Large Industrial complex, Several Buildings Several 13.8 ,4160, transformers and switchhgear Dropping dn to 480 several in buildingings. In power plant Transformer 13.8 to 480 volt. They want to add a firepump Aprox. 200 feet from the transformer feeding that building. Can a run be taken off the load side of the transformer run to a disconnect Rated at locked rotor current of the 15 hp fire pump mtr. Then run to a service rated firepump 250 Ft. away. 200 feet of this run could be outside the building.No disconnect at the firepump location?? Also from transformer to ist disconnect must that wire be sized for the locked rotor current disconnect or can thaty also be sized at the 125% of the 15 hp mtr.Also are Two feeders required??(695.3 (b)2 .Locked Rotor current 430.151b 15 hp mtr.460 volts 116 amps.So disconnnect 125 Amps (240.6) Ok.
Feeder run OR runs if required in buiding Must comply with 695.6b. Couple imputs here Please.
