Topics / Electronics & Automation
A certification question asks about protective grounding. Which answer is correct?
Answers
Ais intended to carry normal load current continuously
Breplaces overcurrent protection
Cprovides a low-impedance fault path so protective devices can operate and exposed metal stays safer
Draises enclosure voltage during a fault
Correct answer: C — provides a low-impedance fault path so protective devices can operate and exposed metal stays safer
protective grounding provides a low-impedance fault path so protective devices can operate and exposed metal stays safer.
MIFOTRA exam practicealigned to Technical Foundations·4 marks·Hard