Physics · Electrical Earthing Systems
According to standard electrical installation guidelines, the total earth electrode resistance of a large substation or general domestic wiring installation should ideally NOT exceed which value?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.5 ohms
- 25 ohms✓
- 3500 ohms
- 450 ohms
Correct answer
5 ohms
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