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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54 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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46 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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1answer
38 views

Should I use DF (AFCI + GFCI) breaker for circuit sharing bathroom lights?

I have a bathroom which shares a lighting circuit with other living areas. In California this is required to be AFCI protected, but not required to be GFCI protected (receptacles are on a separate ...
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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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1answer
90 views

2 AFCI Breakers Tripping - One instantly and the other after a few minutes

I have 2x 15amp AFCI Siemens breakers, both are tripping. One breaker would trip instantly and the other one after a few minutes. Nothing new was plugged in into these circuits. It just happened out ...
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91 views

No power at bathroom outlets

Recently moved into a new house. First thing I did was go to the panel and, tediously, went through each breaker to make a detailed master breaker list. After doing so I noticed that my outside ...
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2answers
32 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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55 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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80 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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1answer
367 views

How is “continuous wiring” defined in context of the 2017 NEC code?

First, some context: About AFCI protection in Dwelling Units, NEC 2017: 210.12(A) All 120-volt, single-phase, 15- and 20-ampere branch circuits supplying outlets or devices installed [...] shall be ...
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2k views

When to change Cutler-Hammer electrical panel and breakers?

I bought a house about a year ago and I have an old Cutler-Hammer electrical panel. I see the number 2001 written on there, but no idea when it was installed. I have a few questions about this panel: ...
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1answer
73 views

Will a SimpliSafe security system which include smoke detectors qualify under fire panel exception for the NEC's AFCI requirements?

To expand on the question I'm trying to put these AFCI's and GFI's everywhere I need them, but nowhere I do not. Also my experience with AFCI's up to this point have been poor. They trip when the ...
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3answers
517 views

Dual GFCI/AFCI breaker to support regular TRR USB outlets on kitchen counter: to code?

I would like to replace some outlets that run along my kitchen countertop because the TRR plugs are hard to plug in, and I would like to put ones that have USB jacks. I know that GFCIs are required ...
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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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61 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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1k views

Ground Fault Circuit Interrupter vs AFCI

What is the key difference between a Ground Fault Circuit Interrupter and an Arc Fault Circuit Interrupter? The Acronyms AFCI/GFCI kind of tell us that they do, detect ground faults and arc faults, ...
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60 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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125 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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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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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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124 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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112 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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1answer
36 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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329 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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57 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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199 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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219 views

Three-way light trips new AFCI breaker

I recently replaced my home's load center. As part of that surgery, my breakers were also updated to (combination) AFCI breakers. My house has many Multi-wire branch circuits, so I also got a couple ...
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6k views

Loss of power when I remove item from the outlet

I have this unusual electrical issue in our master bedroom. I was wondering if anyone else has experienced this. We have this $3 LED night light in our bedroom and when we take it out, the power/...
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190 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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637 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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534 views

AFCI trips when neutral and ground touched

Is this normal? I find an answer here that this is normal but I do not understand. Can anyone add an explanation, please. AFCI is Square D 20A HOM120CAFIC, Issue No. DP-3640 HACR Type
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1answer
111 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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5answers
2k views

Can a surge protector prevent nuisance AFCI breaker trips?

I have a problem with AFCI breakers tripping in my 2 and a half year old house. The builder's electrician said that the cause is from power surges coming from the electrical company and that I need to ...
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1answer
234 views

AFCI Trips When Stainless Steel Hoses Touch Washing Machine Cabinet. Why?

I noticed the hot water hose on my washing machine (SpeedQueen Top Loader) was corroded, so I decided to replace the hoses. I bought braided stainless steel hoses and installed them. ...
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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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587 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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265 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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4k 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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1k views

Vacuum Cleaner Trips Breaker

I have a brand new vacuum (dyson) that trips my breaker. Never happened before this except once when I ran 2 other vacuums at the same time
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344 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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113 views

Shared Neutral for Hot and Line Side of AFCI Receptacle

Good Day I am planning a MWBC. At the start of this circuit will be an AFCI Receptacle in a Hallway. This will then Branch to Hallway Lights in one direction, and Dimmer Lights & a second ...
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502 views

Tankless 240V water heater in detached garage tripping AFCI/GFCI breakers in house

We have two separate buildings, a house and a garage/workshop, about 20 feet apart, sharing the same electrical service. On the service entrance, there's a Siemens whole-house surge protector. The ...
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1answer
98 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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1answer
12k 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 ...
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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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1k views

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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3answers
300 views

EMT or PVC in Bathroom?

OK, so I am wiring my cabin (actually a small house, 16x24), and I have a 6x8 room that will eventually become a bathroom, and a nook that will be a kitchenette. All the wiring in the house is surface ...
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24k views

What rooms or loads require AFCI protection?

Do I need AFCI for dedicated circuits like sump pumps, furnaces, microwave, refrigerator etc.
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313 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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1answer
861 views

Combination GFCI/AFCI Breaker not working when replacing regular breaker

First time posting. I'm doing some upgrades to our house electrical. We live in a 1950s home. An electrician recommended I replace the old breakers on ungrounded circuits off the house sub-panel ...