Electrical Engineering · Electrical Earthing Systems
According to standard electrical installation regulations, what should be the minimum cross-sectional area of an earth continuity conductor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It should not be less than 1.9 mm 2 or the same size as the installation conductor.
- 2It should not be less than 2.9 mm 2 or half the size of the installation conductor.✓
- 3It should not be less than 1.9 mm 2 or half the size of the installation conductor.
- 4It should not be less than 2.9 mm 2 or the same size as the installation conductor.
Correct answer
It should not be less than 2.9 mm 2 or half the size of the installation conductor.
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