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  2. Arc-fault circuit interrupter - Wikipedia

    en.wikipedia.org/wiki/Arc-fault_circuit_interrupter

    An arc-fault circuit interrupter (AFCI) or arc-fault detection device (AFDD) [1] is a circuit breaker that breaks the circuit when it detects the electric arcs that are a signature of loose connections in home wiring. Loose connections, which can develop over time, can sometimes become hot enough to ignite house fires.

  3. Electrical wiring in North America - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_North...

    Arc-Fault Circuit Interrupter (AFCI) protection is required to protect nearly all finished areas of a home with the exception of bathrooms. This device, which can be a circuit breaker or the first outlet on a circuit, is designed to detect hazardous electrical arcing in the branch circuit wiring as well as in cords and plugs.

  4. Arc flash - Wikipedia

    en.wikipedia.org/wiki/Arc_flash

    Light and current based protection can be set up with dedicated arc-flash protective relays, or by using normal protective relays equipped with an add-on arc-flash option. One of the most efficient means to reduce arcing time is to use an active arc flash mitigation device, e.g., an ultra-fast earthing switch (UFES).

  5. Prospective short-circuit current - Wikipedia

    en.wikipedia.org/wiki/Prospective_short-circuit...

    Stored energy in a generator may contribute much more current to a short circuit in the first few cycles than later on; this affects the interrupting rating selected for circuit breakers and fuses. An isolated generator may be specially designed to ensure that it can source enough current on a short circuit to allow subordinate overcurrent ...

  6. National Electrical Code - Wikipedia

    en.wikipedia.org/wiki/National_Electrical_Code

    One GFCI receptacle can serve as protection for several downstream conventional receptacles. GFCI devices come in many configurations including circuit-breakers, portable devices and receptacles. Another safety device introduced with the 1999 code is the arc-fault circuit interrupter (AFCI). This device detects arcs from hot to neutral that can ...

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  8. A Woman Told Friends Her Boyfriend Was Threatening Her with a ...

    www.aol.com/woman-told-friends-her-boyfriend...

    A South Dakota man is facing murder and manslaughter charges after police say he killed a woman and decapitated her. According to court documents obtained by PEOPLE, Craig Allen Nichols Jr., 32 ...

  9. UNC alum files for 2-word trademark after Bill Belichick ...

    www.aol.com/unc-alum-files-2-word-121610754.html

    As a new era begins in Chapel Hill, North Carolina, one UNC alum is taking advantage of the opportunity with a perfect two-word trademark for the occasion.