Kolkata, West Bengal
GST No. 19AAFCE8377C1ZE
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The technical standards which need to be considered include, but not limited to the following :-
Earthing Specification Supply And Installation:-
17mm x 3 meter Copper Bonded Rod 250 micron CPRI tested pre-welded with connection clamp on top 10*50*5. Highly conductive earthing mix compound with Carbon content more than 65 percent as per IS:1350, Sulphur content les than 0.4 percent as per ISO 46893 and tested for resistivity as per IEC 62561-7 and ASTM G57-06 for resistivity of 0.05 ohms.
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