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pl let me know what is diff between earthed and unearthed ht xlpe cables
shrikant kohli
Please search the archives next time. This subject has been dealt with many times, including here.
thank,i have got link of past thread and it satisfy the query
dear,
earthed system has insulation grade of KV / 0.686* KV
un earthed system has insulation grade of KV / KV
3 phase 3 wire system has normally UE grade cables
3 phase 4 wire systems can be used E grade cables , insulation used is less , cost is less.