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  2. Emergency light - Wikipedia

    en.wikipedia.org/wiki/Emergency_light

    Some emergency lighting manufacturers offer dimming solutions for common area emergency lighting to allow energy savings for building owners when unoccupied using embedded sensors. [4] Another popular method for lighting designers, architects and contractors are battery backup ballasts that install within or adjacent to existing lighting fixtures.

  3. Fluorescent-lamp formats - Wikipedia

    en.wikipedia.org/wiki/Fluorescent-lamp_formats

    8: 59 F96T8: Ballast-swap replacement for 8 ft T12 75 W single-pin T12: 1.5, 38: 4 "25" F40UTSL Retrofit replacement for 4 ft T12 40 W on underpowered residential-grade rapid start magnetic ballasts. These are F40CW lamps made with lighter cathodes that can only handle a lower amount of power. They will function as a standard 40 W lamp on full ...

  4. Electrical ballast - Wikipedia

    en.wikipedia.org/wiki/Electrical_ballast

    The top is a rapid start series autoregulator ballast for two 30–40 W lamps. The middle is a preheat reactor ballast for a single 30–40 W lamp while the bottom ballast is a simple inductor used with a 15 W preheat lamp. An American magnetic ballast for signs in an aluminum sign frame. Ballasts for sign lighting in the United States, are ...

  5. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

  6. Film capacitor - Wikipedia

    en.wikipedia.org/wiki/Film_capacitor

    An opened electronic lighting ballast device with a "naked" non-encapsulated film capacitor (gray rectangle. mid-photo) for power-factor correction A lighting ballast is a device to provide proper starting and operating electrical conditions to light one or more fluorescent lamps , while also limiting the amount of current.

  7. Sea Salt Brownie Bites. 2023 F&W Best New Chef Isabel Coss swears by TJ’s Sea Salt Brownie Bites. These fudgy brownies, cut into eight squares, are packed with chocolate chips and finished with ...

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