Answer Posted / l b lakhnotra

In current situation CCTV (Close circuit television) used
as below area
1. Power plant like high pressure and high temperature
steam drum for condition monitoring
2. Air port
3. Main road
4. Mega city
5. Steam turbine
6. Flameble area like petrol pump and LDO pump
7. Used for Prohibited to Enemy entry from border.
8. Port
9. Custom area
10. Chemical and processing plant.

DG Earth Value?

2259

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1788

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1771

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1941

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2401

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Inverter. converter. Ups.MCB.solar.alternators. motors.

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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

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