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how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.
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Answer Posted / dipeandra deepak
normly earth res.value for an industrial area is 1 to 5
res.for rock sail area and residential area, this value is
8 and 1-3 res respectively.further ithink this depends upon
ur mant. capability. this can be maintened by checking
earthing pit time to time. it also depends the size of
earthing patti and the load capicity set against it.
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