Physics · Earthing Systems
According to Indian Standard IS 3043, the internal diameter of the cast iron pipe electrode used for pipe earthing must not be less than ______.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1150 mm
- 2100 mm
- 338 mm✓
- 4125 mm
Correct answer
38 mm
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