NFPA Electrical Code: GFCI Protection for Receptacles

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Questions and Answers

What is the reason for requiring GFCI protection for receptacles near sinks?

  • To improve the efficiency of electrical appliances
  • To prevent overheating of appliances
  • To prevent shock hazards from appliances with ungrounded polarized and non-polarized cord caps (correct)
  • To reduce energy consumption in dwellings

What type of receptacles must be GFCI protected within 6 feet of a laundry sink?

  • All 15 and 20A, 125V receptacles (correct)
  • Only 20A, 125V receptacles
  • Only 15A, 125V receptacles
  • None, GFCI protection is not required

What is the result of the revision to the NEC regarding GFCI protection?

  • GFCI protection is only required for outdoor receptacles
  • GFCI protection is only required for commercial kitchens
  • GFCI protection is expanded to include more areas and applications (correct)
  • GFCI protection is no longer required near sinks

What is the new requirement for outdoor receptacles accessible to the public?

<p>They must be GFCI protected (A)</p> Signup and view all the answers

What type of equipment requires a GFCI protected receptacle according to Article 210.63?

<p>Heating, air-conditioning, and refrigeration equipment (D)</p> Signup and view all the answers

What is the purpose of the new subsection added to the rule regarding boat hoists?

<p>To ensure GFCI protection for cord and plug-connected boat hoists (A)</p> Signup and view all the answers

What is the purpose of the equipment grounding conductor?

<p>To prevent current from flowing in the equipment grounding conductor under normal circumstances (C)</p> Signup and view all the answers

What is the condition for the circuit breaker to trip?

<p>The sum of the three resistances in the fault path is less than 5.5 ohms (B)</p> Signup and view all the answers

What is the requirement in the Philippine Electrical Code (PEC) for the resistance of the grounding electrode (ground-rod)?

<p>Less than 25 ohms (C)</p> Signup and view all the answers

What happens when someone touches the metal chassis of an appliance with an equipment grounding conductor connected?

<p>The fault current flows through the person's body (B)</p> Signup and view all the answers

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