Electrician Red Seal · Question
What is the nominal trip current for a Class A Ground Fault Circuit Interrupter (GFCI)?
A Class A GFCI is designed to protect people from shock hazards by tripping when it detects a ground fault current of 6 milliamperes (mA) or more.
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Question: What is the nominal trip current for a Class A Ground Fault Circuit Interrupter (GFCI)?
Answer options:
- 1 mA ✅ 6 mA
- 15 mA
- 30 mA
Correct answer: 6 mA
Explanation: A Class A GFCI is designed to protect people from shock hazards by tripping when it detects a ground fault current of 6 milliamperes (mA) or more.
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- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
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