Physics · Electrical Earthing Systems
What is the primary purpose of measuring the electrode resistance during the installation of an earthing system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To ensure the earthing system has a low enough impedance to safely dissipate fault currents✓
- 2To determine the ultimate current-carrying capacity of the circuit breaker
- 3To guarantee proper grounding of static charging equipment
- 4To measure the insulation resistance of the power cables
Correct answer
To ensure the earthing system has a low enough impedance to safely dissipate fault currents
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