3"? Most 200a services are 2" or 21/2". I am a counter guy at an electrical supply. I could double check these internet guys with some of my master electrician buddies. I might also check on voltage drop at said distance. Go copper if affordable. If you are, buy now. Its starting to go back up steadily!
__________________
1984 300SD Orient Red/ Palomino
1989 560SEC
2016 Mazda 6 6 speed manual
1995 Ford F-150 reg cab 4.9 5speed manual
|