Questions tagged [afci]

Arc-fault circuit interrupter are safety switches, similar to GFCI, that are used to detect electrical arcing and shutoff power to prevent the risk of fire.

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GFCI/AFCI Trips With No Load And New Wire

I moved into a house last year that has some 2-wire receptacles, and some 3-wire receptacles. I have been adding GFCIs and AFCIs where required. I recently removed the conductors and old receptacles ...
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1answer
2k views

Should smoke alarms be on AFCI circuit?

I'm migrating my smoke alarms from the main panel to a generator-backed-up subpanel so I'll have fire protection during a power outage. I'm simultaneously replacing the old smoke detectors. I read ...
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57 views

Why does my breaker trip when turning on lights on another circuit?

I'm trying to diagnose an issue that has cropped up in the last few days regarding a nuisance tripping breaker. For background, I've lived in this apartment for 6 months now, with no notable changes ...
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4k views

Samsung Front Load washer WF45k6500/AV/A2 trips GFCI Combination AFCI breaker

I have a new home constructed 10/16. The washer was installed at the time of closing. We did not have an issue until January when the washer required a self clean cycle. With about 10 minutes left ...
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1answer
5k views

New install: What's causing a tripping arc fault breaker?

We remodeled our home and had all new electrical put it in to plan. For rough-in, the electrician put in regular breakers instead of arc fault breakers. Arc fault breakers are required by code now ...
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3answers
132 views

should 30 yr old home have some/all breakers replaced with AFCI /GFCI? If so, which ones?

My brother-in-law, licensed master electrician was just visiting us. After looking at my break panel he strongly suggested I should replace most, if not all, of my CBs with AFCI. I have a 200A GE ...
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28k views

Configuring a plug-on-neutral breaker panel as a subpanel

I recently learned about a new species of breaker panel known as the "plug-on-neutral" design. All the major load center manufacturers seem to be making these now. The idea is to provide a ...
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2answers
697 views

Is this a normal fault mode for an arc fault or what is happening in my wiring to cause my AFCI to trip

Sorry for the long preamble. I'm doing a remodel which involves adding a new guest room which shares a wall with the kitchen. I remodeled the kitchen a few years ago, so I have a good handle on the ...
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115 views

AFCI randomly tripping, and related questions

Warning, this may be a bit long ... I'll do my best to be brief but it's a somewhat complicated situation. Primary issue is that the AFCI breaker trips in a very random pattern that I can't figure ...
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348 views

Diagnosing frequent trips on arc fault / ground fault (dual) breakers

During recent work we've been upgrading breakers to dual arc-fault / ground fault. Square D QO series (USA). I've noticed a couple of them tripping pretty frequently when certain appliances are used. ...
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61 views

Is AFCI a requirement outside the United States?

I have been asked to come into a site (outside of United States; Central America to be specific) - but one of the personnel there asked about NEC compliance; specifically AFCI. How can I educate ...
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672 views

Is it better to use a AFCI/ GFCI breaker in the panel or do to use a AFCI/ GFCI receptacle? [closed]

To protect a bathroom outlet, should I put an AFCI/GFCI breaker in the breaker box or do I put in an AFCI/GFCI receptacle? Can a AFCI/GFCI receptacle be divided into 2 circuits with a 20A breaker ...
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63 views

Troubleshooting immediate CAFI Trip

I'm currently building an addition to our house and in the final phase of wiring - installing the switched, receptacles and fixtures. I am running into an issue and was hoping to get some help ...
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2answers
196 views

Why don't we just use combination AFCI/GFCI breakers for every circuit in a home?

With pretty much every circuit in a home needing one of the two types of protection (AFCI or GFCI), why don't all new homes have combination breakers installed just to be safe? Would it hurt anything ...
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3k views

Would it be reasonable and legal to use AFCI receptacles next to a panel instead of AFCI breakers?

I've been googling, searching this community and looking over the 2017 NEC codebook (which can be very confusing) and I've come to the conclusion that a crystal clear, no nonsense, straight forward ...
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3answers
3k views

Why would changing ceiling fan speed cause an AFCI breaker to trip?

I recently installed 2 ceiling fans with Lutron combination light and fan dimmer switches. On both circuits, if more than a half second or so is taken when selecting the fan speed (that is, a delay ...
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1answer
165 views

Are licensed electricians required to perform code-compliant repairs?

A California licensed electrician replaced a circuit breaker for a friend. He removed the living room AFCI breaker and replaced it with a used non-AFCI breaker. When I heard this I was upset enough ...
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62 views

AFCI Breaker tripping

hoping to pick your brain about some electrical issue I'm having. The outlets in 3 of my rooms stopped working - the AFCI breaker (15 a) for that circuit is tripping and won't reset. The lights are on ...
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1answer
2k views

AFCI/GFCI breaker trips immediately with “extra” ground

I recently installed some AFCI/GFCI circuit breakers. One of them kept tripping immediately, so I tracked down the problem to where a neutral and ground were joined. (There was just the one neutral in ...
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1answer
1k views

Do I need both AFCI breaker and receptacle for run over 70 feet?

I am installing 120v wiring for a dorm-type setting, and some of the rooms are over 70 feet from the breaker panel. The NEC says that the home run may not exceed 50 feet for 14 AWG and 70 feet for 12 ...
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2answers
2k views

AFCI/GFCI Combo Breaker Trips Daily Under No Load

I have a new house (about 9 months old) and recently the dishwasher circuit has started tripping. It trips while the dishwasher isn't running. I believe it's code that the dishwasher must be on its ...
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1answer
742 views

What areas of a home are required to be AFCI protected?

I've got a Crouse Hinds panel with the majority of the breakers being of the ridiculous side connecting type. The panel and breakers are old and beginning to arc due to the lose connection. I've found ...
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1answer
531 views

Wiring requirements for garage and bedroom addition

I've just added a new garage and bedroom and am about to wire them. I've done a lot of wiring in my house, know all the basic requirements for how wiring is run, etc, never had a problem with ...
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1answer
47 views

My GFCI/AFCI 20a kitchen socket warning lights are both flashing

Hope someone can help. All my outlets in my kitchen work, but my two GFCI/AFCI 20A outlets occasionally and utterly randomly will flip and for the most part the AFCI light on the outlet will flash, ...
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2answers
34 views

afci protection for kitchen hood fan

I'm wiring a new house and have installed a dedicated 15 amp circuit to the hood fan located over the range in the kitchen. Does this circuit need to be on a afci breaker?
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83 views

Upgrading apartment: GFCI/AFCI breakers and wires

I'm making plans to replace electrical wiring (new wires) and breaker in my apartment. I live in New York city (for code purposes). My breakers are rated as 20 A, NOT GFCI/AFCI. I have some outlets in ...
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3answers
227 views

New house, new LG refrigerator & AFCI wiring

We just bought a house, May 2019, the first week the AFCI breakers began to trip. Outlets & switches both. The biggest concern is our new LG refrigerator. It trips about once a week, sometimes ...
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1answer
115 views

Do AFCI/GFCI receptacles protect downstream circuits without equipment bonding conductor?

I am renovating part of my house, and taking the time to update some old wiring that is now exposed. The old wiring is primarily #14/2c WITH NO BARE BONDING CONDUCTOR. This means that no device ...
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1answer
270 views

Is a new refrigerator likely to trip a 20 amp AFCI/GFCI circuit?

Will a new GE Cafe refrigerator/freezer work on my kitchen AFCI/GFCI 20 amp refrigerator outlet? My current 8 year old Samsung constantly trips the circuit.
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99 views

New Circuit Faceless AFCI tripping with no load

Most AFCI questions here revolve around existing circuits, and AFCI Circuit breakers, but my situation is a little different. Here's the details: Renovation to add a half bath and laundry room in ...
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3k views

AFCI Breaker Randomly Tripping - No New Devices

We did a lot of investigating and found several clarifications that I didn't have correct in my previous post. New summary of the problem: It's a Siemens Type QAF 20 amp breaker, 2006-built home - ...
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154 views

Why doe the AFCI immediately trip?

I move an outlet 12" and rewired it the exact same; now the AFCI trips immediately, when turning the power back on. It's a 14/ wire in sequence with a pig tail to the outlet. Any help would be ...
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1answer
30 views

Is it required/recommended to use AFCI/GFCI breaker when replacing subpanel?

I'm replacing my subpanel at home. My jurisdiction adopts NEC 2017. When replacing a subpanel, is it required to have CAFCI on all circuit breakers for all 120V circuits? When replacing a subpanel, ...
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34 views

How do I toubleshoot Intermitant failure with an AFCI breaker?

Six months ago I remodeled my kitchen. Even though nobody is using AFCI breakers or recepticles in my area, I decided to use AFCI/GFCI receptacles as opposed to GFCI's. The particular circuit in ...
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30 views

AFCI Breaker with a two wire switch with no power to it going to a box for the ceiling light with new three wire power

I have an existing two wire switch box that is going to a ceiling junction box where there is new three wire power and another two wire connection to an outlet. I want to install a new light. I ...
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1k views

Could a loose ground wire cause an AFCI breaker to trip every 3-4 days?

I have a circuit connected to an AFCI breaker circuit breaker, which is running into our upstairs bonus room as well as upstairs guest room area. I changed out an outlet in one of the boxes, and ...
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491 views

Ever had LED bulbs cause AFCI tripping?

I replaced a 50W halogen gu10 bulb in a ceiling fixture on an AFCI-protected circuit with a 5W dimmable LED bulb, and it trips the breaker after a few seconds (even after reseating the bulb). Another ...
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75 views

Multiple AFCI breakers tripping at same time [duplicate]

Possible Duplicate: What could be causing AFCI breaker and GFCI receptacle nuisance tripping? I have a new house. During the last couple of months I will find that multiple breakers will have ...
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2answers
58 views

multi-wire branch circuit breaker question

i have several outside floodlights, and several outside outlets. family member wired it plugging into the outside outlets causes the breaker to trip using a 4-conductor cable(1 black, 1 red, 1 ...
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81 views

AFCI breakers in a Main Panel installed and tripping immediately with neutral pigtail connected

Finishing my basement and had some help with our electrical install. I'm located in NJ btw, being that we installed new branched circuits (about 18 outlets and 16 LED lights), I had to use 3 breakers....
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1answer
76 views

Two new circuits - both trip simultaneously on load

Adding two new 20a AFCI circuits to a basement project. I tied the circuits to the breaker panel and all outlets test out ok with a tester. The second I put any load on either circuit, however, BOTH ...
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270 views

Limits to load connections for AFCI/GFCI Outlet

I am remodeling my basement. I will have 4 separate electrical circuits. 20A Circuit to Bathroom 20A Circuit to Laundry room 15A Circuit for left side outlets / lights 15A Circuit for right side ...
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1answer
37 views

Half my breaker panel went out and the other half when turned on has AFCI light [duplicate]

I got home last night and about half the lights and appliances were out. The breakers were not tripped and turning them on didn't help. Some breaker circuits had electricity, and some didn't. The ...
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84 views

What is the difference between a Combination AFCI Breaker and a AFCI Breaker

After reading many articles and comments concerning AFCI and GFCI breakers I set out to my local Lowes. In the old days buying a fuse or a circuit breaker was pretty straight forward. Not anymore! ...
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318 views

Trouble with diy wiring in basement room with afci and ceiling fan

So... I as a self/ Google taught electrician have wired in a room I have made in my basement with the following issues. The ceiling fan trips the afci breaker every time. It is fine with a normal ...
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140 views

Switch(es?) blowing AFCI breaker

So I need some help (again) with an electrical issue. I wired the basement and due to some new building code all the breakers are AFCI (which I am suspecting is a part of the problem). In the ...
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621 views

replace regular breaker with dual function AFCI/GFCI

I have a 15amp circuit that feeds outlets in the upstairs bedrooms, the one outlet in the upstairs bathroom and a few light fixtures. A few years ago I replaced the bathroom outlet with a GFCI outlet ...
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5k views

Refrigerator trips new AFCI/GFCI circuit breakers

Remodeled kitchen and electrician had to install new AFCI/GFCI Seimens circuit breakers to comply with code. Now my 8 yr old Samsung 24 cu ft refrigerator trips the c/b every 12 minutes to as long as ...
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378 views

is AFCI required for 220v CA residential?

As I understand it CA now requires AFCI protection for practically all residential outlets. I'm setting up my theater room and it calls for a 50A 220V NEMA 6-50 outlet for the subwoofer I want but I'...
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13k views

Where should arc fault breaker not be used?

I'm trying to stay on top of the electricians rewiring our house and correctly interpret the NEC 2017 for arc fault breakers. There is a permit and an inspection when they done, but I want to ...