On Apr 10, 10:31*am, "Pete C." wrote:

snip.

Two 8' ground rods at least 6' apart.
p
Not in all communities. Our power company specifies one ground rod.
Check with your power company and get acquainted with your local
building inspection department.
For a major panel replacement. consider the advantages of converting
to an underground service. Adds value to the property, input wiring is
heavier gage, less chance of storm damage, often lower insurance
rates, and looks much nicer. HTH

Joe