I am doing my own service upgrade (100--> 200 Amps), in talking to the local
inspector he mentioned the need for a secondary ground rod per (NEC 250.53)?
Has anyone else encountered this when upgrading to 200 Amps service?
<< in talking to the local inspector he mentioned the need for a secondary
ground rod >>
If this is what the man wants don't sweat it, just do it. The cost is minimal,
and the extra protection certainly has merit. Soil resistivity in some areas
make supplemental grounding necessary, usually within 6' of a primary ground.
Google this group on "ground rod", read some of the threads, then
realize you need two rods and a whole house surge protector too.
If you're going to all the trouble of upgrading, you might as well
protect the house.
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