Practice Quiz

Red Seal Construction Electrician

Category - Construction Electrician

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What is the primary benefit of an impedance grounded service?
  1. It reduces the potential for ground faults.
  2. It reduces touch potential in the area around the service equipment.
  3. It provides single phase power in a 3-phase delta system.
  4. It reduces the maximum available ground fault current.
Explanation
Answer: D.  Explanation: Impedance grounded systems using a neutral grounding resistor will reduce the maximum available ground fault current.
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