I have a new 300 kVA, 12.47kVwye - 480Vwye service transformer for a petroleum distribution facility that has existing cathodic protection system on underground pipelines. Local inspector has given verbal approval to use a cathodic isolation (PCR)module between neutral & grnd of service entrance to satisfy 250-6(e)and block the injected DC. Any special concerns for ground grid under pad mounted transformer or under the service entrance building (14' x 8') less than 10 ft. away?
Thanks!
