Ithinkimstillhere
Member
- Location
- saint louis
So I have a site lighting project in which two 277/480V panels feed light fixtures from a centralized location. The light fixture scope of work ends about 2000ft laterally in both directions. There are also two 120/208V receptacle panels. We were instructed to add a receptacle at each fourth light pole for Christmas lights and other miscellaneous connections. The park does NOT want any above ground structures (panels, pedestals, etc), and I would really hate to add underground panels because we would have to supply precast vaults (Structure coordination, sump pumps, ventilation yadayada ya).
Now for the receptacles, assuming I do this with the longest run at 2000 feet and I load 16A (80%). My voltage drop calc shows that I need at least #3/0 wire to compensate!!.........How can I do this without adding other panels?.......I have handholes in the pavement every 300 feet...can I provide terminal blocks in the handholes to step down the wire size from #3/0 to say #12 or 10 when im closer to each receptacle???..........please help!!!
Now for the receptacles, assuming I do this with the longest run at 2000 feet and I load 16A (80%). My voltage drop calc shows that I need at least #3/0 wire to compensate!!.........How can I do this without adding other panels?.......I have handholes in the pavement every 300 feet...can I provide terminal blocks in the handholes to step down the wire size from #3/0 to say #12 or 10 when im closer to each receptacle???..........please help!!!