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Thread: Double tapper AFCI questions
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12-19-2020, 04:57 AM #1
Double tapper AFCI questions
From what I understand, 2 circuit conductors can terminate twice on AFCI lighting circuit breakers.
Question 1. Reasoning?
Question 2. If that is the case. When you run in to 2 lighting or other circuit conductors terminating under one neutral bus lug would/could/should a AFCI breaker be advised?
Looking forward to your answers.
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Similar Threads:Last edited by ROBERT YOUNG; 12-19-2020 at 09:19 AM.
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12-19-2020, 07:41 AM #2
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12-19-2020, 09:18 AM #3
Re: Double tapper AFCI questions
Robert Young's Montreal Home Inspection Services Inc.
Call (514) 489-1887 or (514) 441-3732
Our Motto; Putting information where you need it most, "In your hands.”
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12-19-2020, 11:53 AM #4
Re: Double tapper AFCI questions
Robert,
I do not believe I understand your question. Could you rephrase it. Maybe provide a pic too?
If you are referring to the terminal on a circuit breaker (AFCI, GFCI, or otherwise), the number of conductors at the terminal is determined by the manufacturer. Most only allow one conductor.
The NEC specifically requires that only one neutral conductor be connected to each terminal on the grounded terminal block.
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12-20-2020, 01:20 AM #5
Re: Double tapper AFCI questions
Sorry all. Poorly phrased question.
The opine was, lighting circuit cable temperature limitations and AFCI as protection.
Observation: Lighting circuits. Partly updated circuits in older homes.
Cables. MND-3 rated @ 60C and updated MND90 rated @ 90C.
Would installing AFCI breakers on MND-3 lighting circuits cables protect that circuit from temperature overload from the demand of modern appliances?
As for AFCI circuit protection and double tapping. Poor hypotheses at my end. Sorry all.
I found an PDF from EATON while browsing Google that answered my questions. Arc Fault Circuit Interrupters Frequently Asked Questions
Moreover, the double tapping hypotheses I opined was, double tapped bus with 2 lighting circuit neutrals. Could a Combination AFCI breaker protect both circuits?
Regards.
Robert
Last edited by ROBERT YOUNG; 12-20-2020 at 01:34 AM.
Robert Young's Montreal Home Inspection Services Inc.
Call (514) 489-1887 or (514) 441-3732
Our Motto; Putting information where you need it most, "In your hands.”
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12-20-2020, 06:13 AM #6
Re: Double tapper AFCI questions
Last edited by Jerry Peck; 12-20-2020 at 07:16 AM. Reason: Added ne parle pas fran?ais part
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12-20-2020, 07:45 AM #7
Re: Double tapper AFCI questions
Robert Young's Montreal Home Inspection Services Inc.
Call (514) 489-1887 or (514) 441-3732
Our Motto; Putting information where you need it most, "In your hands.”
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