Electrical Engineering · Earthing
Why should the earth resistance of an electrical installation be tested periodically?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To verify energy consumption readings
- 2To confirm that fuses are not blown
- 3To ensure it remains sufficiently low for safety✓
- 4To check if the main switch is functional
Correct answer
To ensure it remains sufficiently low for safety
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