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2. Dimmer - Wikipedia

   en.wikipedia.org/wiki/Dimmer

   Switching high-intensity incandescent (filament) lamps to full power from cold can shorten their life dramatically, owing to the large inrush current that occurs. To reduce stress on the lamp filaments, dimmers may have a preheat function. This sets a minimum level, usually between 5% and 10%, which appears turned-off, but stops the lamp from ...

3. Lockring - Wikipedia

   en.wikipedia.org/wiki/Lockring

   A lock ring is a threaded washer used to prevent components from becoming loose during rotation. [1] They are found on an adjustable bottom bracket and a track hub of a bicycle . Lokring is another form of fastener used in the automotive and air condition industries: these fittings are often confused with lockrings.

4. Screwfix - Wikipedia

   en.wikipedia.org/wiki/Screwfix

   Screwfix Direct Limited, trading as Screwfix, is a retailer of trade tools, accessories and hardware products based in the United Kingdom. [6] Founded in 1979 as the Woodscrew Supply Company, the company was acquired in July 1999 by Kingfisher plc , which also owns B&Q , and is listed on the London Stock Exchange .

5. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Get breaking news and the latest headlines on business, entertainment, politics, world news, tech, sports, videos and much more from AOL

6. Compact fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Compact_fluorescent_lamp

   Integrated lamps combine the tube and ballast in a single unit. These lamps allow consumers to replace incandescent lamps easily with CFLs. Integrated CFLs work well in many standard incandescent light fixtures, reducing the cost of converting to fluorescent. 3-way lamps and dimmable models with standard bases are available.

7. Shading coil - Wikipedia

   en.wikipedia.org/wiki/Shading_coil

   Its includes an auxiliary winding composed of a copper ring called a shading ring (or shading coil with more than one turn). [ 5 ] The auxiliary winding produces a secondary magnetic flux which, along with the flux from the primary coil, forms a rotating magnetic field suitable for applying torque to and rotating the rotor. [ 6 ]