Physics · Electrical Grounding
What is the primary safety purpose of an electrical grounding system?
- 1To increase the overall electrical resistance of the system
- 2To completely isolate the electrical system from the ground
- 3To provide a return path specifically for positive and negative sequence currents
- 4To prevent dangerous voltage accumulation on metallic enclosures by safely directing fault currents to the earth✓
Correct answer
To prevent dangerous voltage accumulation on metallic enclosures by safely directing fault currents to the earth
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