S Stevenfyeager Senior Member Location United States, Indiana Occupation electrical contractor Mar 15, 2018 #1 Is 80 feet of 4/0 SER too long for a 200 amp single phase house subpanel? Voltage drop is 1.03 % if I calculated it correctly. Thank you
Is 80 feet of 4/0 SER too long for a 200 amp single phase house subpanel? Voltage drop is 1.03 % if I calculated it correctly. Thank you
ptonsparky Tom Location NE (9.06 miles @5.9 Degrees from Winged Horses) Occupation EC - retired Mar 15, 2018 #2 Hopefully you never come close to that 160 amp load. Yes, 4/0 is acceptable for VD.
infinity Moderator Staff member Location New Jersey Occupation Journeyman Electrician (retired) Mar 15, 2018 #3 Even at 180 amps and 3% VD #4/0 AL is good.