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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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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88 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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141 views

Eaton AFCI/GFCI breaker is only blinking once when turning it on

Model: CHFN120A1CS Description: Eaton CH arc fault / ground fault circuit breaker, All-In-One, 20A, 10 kAIC , Single-pole, 120V, pigtail, 3/4" AFCI/GFCI I bought two of these breakers and ...
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26 views

240 V AFCI substituting two 120 V not AFCI breakers

Could 240 V - 20 A AFCI breaker be used to supply power to two 120 V - 20 A circuits requiring AFCI protection? Recently wired to two separated 120 V 20 A non AFCI breakers but with common neutral?
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39 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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31 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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5k 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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2k 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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495 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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1answer
134 views

Smoke detector wiring - black wire in 3 wire appears to be damaged. Can I use power from AFCI circuit to power but use red wire to interconnect?

I have ~10 smoke alarms (one per bedroom, one per hall). Somehow the last one isn't working. The green light didn't go on. I've done some troubleshooting - swapped the connectors and swapped the ...
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180 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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495 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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128 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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1k views

Hot/Neutral reversed at receptacles after AFCI breaker was installed, can AFCI still work correctly?

Starting condition: I have 3 outlets in a room and 2 of them have Hot and Neutral reversed. Change: The electrician came in an installed AFCI breakers At my request, they also changed the outlets to ...
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27 views

my box has been upgraded to AFCI breakers Tennessee?

I have an old house, my box has been upgraded to AFCI breakers. Can I replace the 2 prong plugs with GFCI plugs & the "GFCI PROTECTED / NO EQUIPT GROUND" labels & meet code requirements for ...
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1k views

AFCI Circuit Breaker trips after turn on any light on different circuit

The last week an electrical service person came to update the circuit breakers from regular to AFCI. But they could not find the root of the problem and they will come again in one week but I wanted ...