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  2. Arc-fault circuit interrupter - Wikipedia

    en.wikipedia.org/wiki/Arc-fault_circuit_interrupter

    If the neutral is broken along the return path to the circuit breaker panel, devices connected from a 120 V leg to the neutral may experience excess voltage, up to twice normal. AFCIs do not detect low line voltage. Low line voltage can cause electromechanical relays to repeatedly turn off and on, or "chatter". If current is flowing through the ...

  3. Electrical wiring in North America - Wikipedia

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

    With lamp cord wire the ribbed wire is the neutral, and the smooth wire is the hot. NEC 2008 400.22(f) allows surface marking with ridged, grooves or white stripes on the surface of lamp cord. With transparent cord the hot wire is copper colored, and the neutral is silver colored.

  4. Electric light - Wikipedia

    en.wikipedia.org/wiki/Electric_light

    An electric light, lamp, or light bulb is an electrical component that produces light.It is the most common form of artificial lighting.Lamps usually have a base made of ceramic, metal, glass, or plastic which secures the lamp in the socket of a light fixture, which is often called a "lamp" as well.

  5. Lighting for the elderly - Wikipedia

    en.wikipedia.org/wiki/Lighting_for_the_elderly

    Falls from ladders are very common among the elderly, especially men, with potentially worse injuries owing to the greater heights involved. Fall prevention is thus an important consideration in designing homes for the elderly, and one of the most critical parts of that design process is supplying strong and effective lighting. Thus, when ...

  6. Fluorescent lamps and health - Wikipedia

    en.wikipedia.org/wiki/Fluorescent_lamps_and_health

    An open (single envelope) CFL [12] An encapsulated/closed (double envelope) CFL. Some fluorescent lamps emit ultraviolet radiation. [citation needed] The Health Protection Agency of the United Kingdom has conducted research concluding that exposure to open (single envelope) compact fluorescent lamps (CFLs) for over 1 hour per day at a distance of less than 30 cm can exceed guideline levels as ...

  7. Power cord - Wikipedia

    en.wikipedia.org/wiki/Power_cord

    A lamp cord (also known as a zip cord) is a light-weight, ungrounded, single-insulated two-wire cord used for small loads such as a table or floor lamp. A cord set includes connectors molded to the cord at each end (see Appliance coupler). Cord sets are detachable from both the power supply and the electrical equipment, and consist of a ...

  8. A Decade-Old Reddit Post Inspired the Viral 'Lamp Looks Weird ...

    www.aol.com/decade-old-reddit-post-inspired...

    The "lamp looks weird" trend originated from an old Reddit post by an anonymous user who experienced a lifetime of memories in a span of a few moments after sustaining a head injury.. In the story ...

  9. Ground and neutral - Wikipedia

    en.wikipedia.org/wiki/Ground_and_neutral

    Neutral is a circuit conductor that normally completes the circuit back to the source. NEC states that the neutral and ground wires should be connected at the neutral point of the transformer or generator, or otherwise some "system neutral point" but not anywhere else. [1]