Question about Eaton Corporation BR120CAF AFCI Circuit Breaker

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Can and arc fault circuit interupter be on a grounded neutral panel

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Yes, the (coiled) white wire that is permanently attached to the breaker connects to the neutral busbar in the panel and the white wire that goes to the circuit that you want to protect connects to the "white" terminal on the AFCI breaker.

Posted on Aug 06, 2010


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My 3 arc fault breakers run hot and draw about a third of an amp from the ground bar wire each, 24/7. Is this possibly normal?

How did check amps. I would check the amps on the circuit itself. Might be drawing close to max. thats why it's hotter. breaker should have no more than 80%. Of an amp draw on the circuit

Oct 05, 2016 | Eaton ARC FAULT CIRC BREAKER

1 Answer

Install anarc breaker

To install a arc fault breaker you need to identify the hot (black) and neutral (white) wires in the main panel, the neutral connects to the breaker (silver screw) then the white lead from breaker goes to the neutral bar in the panel, and black to the breaker (brass screw)
if the breaker doesn't hold when rest there is a problem?
Arc Fault breakers detect loose connections, and reverse polarity, and any other arc,
always work with power off! Safety Glasses, gloves, etc...
if you are not an electrician, call one
hope this helps?

Mar 15, 2015 | Electrical Supplies

1 Answer

Installing arc fault interrupter with ground fault

If you meant arch fault with ground fault then no, the two types interfere with each other and trip the breaker as one senses an arch and the other grounding.
If you meant ground fault breaker with a GFCI. receptacle, you only need one of the two, either GFCI. breaker or receptacle.

and for circuits, you can put up to 12 devices (i.e receptacle, light)assuming they consume 1 amp each. Anything over 12 amps or 80% of the rating on the breaker, it will trip/reset.
Or if your talking about wires on a breaker then no more than 2 wires recommended. Try adding a junction box outside the panel if your trying to add other branch circuits or tap off of a receptacle.

Apr 21, 2013 | Siemens Seimens Arc Fault Breaker

1 Answer

Installing arc fault interrupter with ground fault

Question is vague. Arc fault and ground fault are slightly different.

Are you installing arc fault breaker?

Code says Maximum 12 boxes per circuit breaker.

Arc fault breaker and GFCI outlet in bathroom?
>>> do not connect this way.
Do not install 2 fault protections on same circuit.
Install the arc fault circuit breaker, and then remove bathroom GFCI, and replace with ordinary outlet, or switch-outlet.

How many outlets can be connected to a bathroom GFCI?
It depends on total boxes on circuit.
Count the boxes. Max 12 boxes per circuit breaker.

How many amps can be connected to 15 amp device?
15 x 80% = 12 amps
Electricians use 80% rule to calculate safe maximum

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Apr 21, 2013 | Siemens Seimens Arc Fault Breaker

2 Answers

Hello. I just installed a GE Combination Arc Fault Circuit Interrupter and it keeps tripping, seemingly for no reason as when it trips there isn't much of a load on it. This is the second one of these I...

AFCI's can be a real pain, as I'm sure you know.

First, no offense, but check to see if the AFCI is wired correctly. The (usually coiled) white wire that is permanently attached to the breaker connects to the neutral bus bar in the electric panel. The white wire that goes out to the circuit is attached to the "white" (or "neutral") terminal _on_ the breaker. That is _very_ important. The hot wire
that goes out to the circuit is attached to "hot" terminal on the breaker. The bare equipment grounding wire that goes out to the circuit is also connected to the neutral bus bar (IF this is the MAIN electric service panel) If it is a sub-panel, the neutral bar should be isolated from the equipment grounding bar.

Second, unplug everything, turn off all lights, and remove any smoke detectors on the circuit, then see if the breaker holds. If it holds, plug things back in one by one until something trips the breaker.

Remember that if there are smoke detectors on the circuit that smokes are usually interconnected (if one goes off, they all go off). So you will have to pull other smokes in other rooms too.

If it doesn't hold, read on.

Determine which outlets and lights, including smoke detectors are on the circuit. The outlet closest to the electric panel is probably the first outlet. Go to the approximate 1/2 way point in the circuit, pull out the receptacle, take note how it is wired, then remove all the wires from the receptacle and separate them so they aren't touching anything, including the bare equipment ground wires. You don't want _any_ wires feeding downstream. This means you will probably have to remake the equipment grounding wires connection with a wire nut when done.

Turn on the breaker and see if it holds. If it doesn't hold, then go 1/2 way upstream and repeat. If it holds, then go 1/2 way downstream. And so on.

Also, remember that the bare equipment grounding wires and the white neutral wires are ONLY bonded together ONCE at the MAIN electric panel. They should never be connected together after they leave the MAIN electric panel, so look for that too.

Good luck.

Sep 16, 2010 | General Electric G.E. Arc Fault Breaker

1 Answer

I have a question

Sounds like the breakers are mis-wired. This is a common mistake with those kind of breakers. The white wire that is permanently attached to the breaker (usually coiled) connects to the neutral bar in the panel. Look closely on the breaker, you will see two terminals. The white (circuit) wire that goes out to load connects ONLY to the neutral terminal _on_ the breaker itself, _not_ to the neutral bar in the panel.

Dec 17, 2009 | Cutler Hammer "CUTLER HAMMER" ARC FAULT...

1 Answer

How to install arc fault circuit interrupter

connect the neutral from the circuit to the afci breaker, and run the neutral that came on the afci breaker to the neutral bar in the panel. Make sure that the neutral that you connect from the circuit to the afci breaker is the one that belongs to the circuit that you're protecting or the afci wont work.

Sep 19, 2009 | Siemens Seimens Arc Fault Breaker

1 Answer

3 combination arc fault breakers tripping under load

What is happening is the white wire that comes off the breaker is probably too close to another neutral or too close to a hot wire that is on one of the other circuits that will make it trip when you use a drill etc... Check to see if the coiled up white wire off of the breaker is not near a hot in the panel. I have had lots of arc fault breakers trip for that reason.

Nov 25, 2008 | Siemens 20Amp 1-pole arc-fault circuit...

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