For which electrode?What size ground would you use for a 600 amp service fed with parallel 300's?
I believe George is referring to article 240.4(B) where you can use 570 amps for a six hundred amp service if the calculated load is not greater than 570.Explain the sizing
Have you come up with an answer. Use note #1 to Table 250.66We are using 2 sets of 300mcm.