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  2. Holiday lighting technology - Wikipedia

    en.wikipedia.org/wiki/Holiday_lighting_technology

    Screw-base C7 and C9 light sets use line voltage (120 volt) bulbs and are wired in parallel. LED-based sets use a current-limiting resistor to reduce the current supplied to each LED. Neon-lamp-based sets have lamps connected in parallel, each with its own current-limiting resistor. Battery-powered sets are also wired in parallel. [citation needed]

  3. Pre-lit tree - Wikipedia

    en.wikipedia.org/wiki/Pre-lit_tree

    A pre-lit tree is an artificial Christmas tree which is pre-wired with Christmas lights. The lights are wrapped around the tree before it is sold, reducing set up time and making storage simpler. The lights cannot usually be removed from the tree because they are normally embedded within the artificial branches.

  4. LED circuit - Wikipedia

    en.wikipedia.org/wiki/LED_circuit

    Simple LED (Light Emitting Diode) circuit diagram. In electronics, an LED circuit or LED driver is an electrical circuit used to power a light-emitting diode (LED). The circuit must provide sufficient current to light the LED at the required brightness, but must limit the current to prevent damaging the LED.

  5. Series and parallel circuits - Wikipedia

    en.wikipedia.org/wiki/Series_and_parallel_circuits

    A battery is a collection of electrochemical cells. If the cells are connected in series, the voltage of the battery will be the sum of the cell voltages. For example, a 12 volt car battery contains six 2-volt cells connected in series. Some vehicles, such as trucks, have two 12 volt batteries in series to feed the 24-volt system.

  6. SMD LED - Wikipedia

    en.wikipedia.org/wiki/SMD_LED

    Non-SMD types of LED lighting also exist, such as COB (chip on board) and MCOB (multi-COB). Surface-mounted device LED modules are described by the dimensions of the LED package. A single multicolor module may have three individual LEDs within that package, one each of red, green and blue, to allow many colors or shades of white to be selected ...

  7. 'Boy in the Box' Was Found Slain, Severely Beaten and Nude ...

    www.aol.com/boy-box-found-slain-severely...

    The slain body of Joseph Augustus Zarelli, 4, was discovered in February 1957 in Philadelphia's Fox Chase neighborhood. He was naked, severely beaten and stuffed into a cardboard box.

  8. Lainey Wilson jokes she might propose to boyfriend in 2025 ...

    www.aol.com/lainey-wilson-jokes-she-might...

    Country superstar Lainey Wilson revealed she's patiently waiting for a proposal from her boyfriend, former NFL quarterback Devlin "Duck" Hodges.

  9. US-based travel companies plan layoffs ahead of 2025 - AOL

    www.aol.com/news/us-based-travel-companies-plan...

    Hotel operator Marriott told investors in this month that it will cut its annual pre-tax and administrative costs by $80 million to $90 million, and later said it would lay off more than 800 ...

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