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NFPA Electrical Code: GFCI Protection for Receptacles

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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?

They must be GFCI protected Signup and view all the answers

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

Heating, air-conditioning, and refrigeration equipment Signup and view all the answers

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

To ensure GFCI protection for cord and plug-connected boat hoists Signup and view all the answers

What is the purpose of the equipment grounding conductor?

To prevent current from flowing in the equipment grounding conductor under normal circumstances Signup and view all the answers

What is the condition for the circuit breaker to trip?

The sum of the three resistances in the fault path is less than 5.5 ohms 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)?

Less than 25 ohms Signup and view all the answers

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

The fault current flows through the person's body Signup and view all the answers