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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 / chanchal tiwari
the earth resistance should be less than 1 ohm. if we using
digital earth resistor, then one common method used as
three terminal type and the distance between these three
terminal should be 20 to 30 meters.
| Is This Answer Correct ? | 2 Yes | 3 No |
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