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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Use of combination CAFCI and GFCI breakers instead of recepticles

I am about to begin a project that will include one or two new circuit for outdoor lights and receptacles attached to the main building. I will probably installing a new home run line from the panel ...
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Could my power strip have killed all my AFCI's?

Odd thing happened today. My wife plugged a 1700W (clothes) iron into a power strip and tripped the AFCI to the bedroom. I reckon with the TV and 2 lamps running it peaked over 15A and tripped out. ...
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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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What could be causing my AFCI to trip?

I recently purchased my first home and there is are two Leviton Outlet Branch Circuit AFCI receptacles installed. The line from the breaker box is split and each new line runs to an AFCI receptacle ...
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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 ...