We all know Earthing always in Task&depend about Soil Condition and also effect due to weather Condition(Presence of Moisture and Difference of Soil).
Most of the places we are not able to achieve result as desire by equipment.
Source : NEC,NFPA,IS3043(2018), IEEE 80 ,IEC62305
Low Voltage : 1.00 OHM
Extreme Low Voltage : 0.50 Ohm
LT Equipment's : Max 2.00 Ohm
HT Equipment's : Max 2.00 Ohm
Power Distribution Sub Station: 2.00 Ohm
Power Transmission Sub Station : 2.00 Ohm
Lightning Protection Earthing : 10.00 Ohm
Structure Earthing : 10.00 Ohm
For Equipment always Individual Earthing is recommended Maintenance Free Earthing
Copper Bonded ROD as per UL467 + Earth Enhance Compound (Carbon 95%+Other Mineral)
Joints allowed as per IEEE 837 Exothermic ,
Burred Joint always Exothermic Weld
Information useful for Electrical Consultants , OEM , EPC Companies, Electrical Contractors , O&M Div from Plants.
Segment : Buildings and Infra , Railway Infra, Airport Infra, Street Light LED Installation , CCTV out door Camera I
