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2. Joel Spira (businessman) - Wikipedia

   en.wikipedia.org/wiki/Joel_Spira_(businessman)

   Joel Solon Spira (March 1, 1927 – April 8, 2015) was an American inventor, entrepreneur, and business magnate.. He invented a version of the light-dimmer switch for use in homes around the United States and led his Lutron Electronics Company into the production of lighting controllers.

3. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   Shown here will be fastened to this recessed, non-metallic box, then a cover plate is installed. This "double gang" (two unit) installation uses non-metallic-sheathed cable and twist-on wire connectors. In electrical wiring, a light switch is a switch most commonly used to operate electric lights, permanently connected equipment, or electrical ...

4. DMX512 - Wikipedia

   en.wikipedia.org/wiki/DMX512

   Some DMX slave devices have built-in terminators that can be manually activated with a mechanical switch or by software, or by automatically sensing the absence of a connected cable. A DMX512 network is called a "DMX universe". [4] Each OUT connector on a DMX512 controller can control a single universe.

5. Dimmer - Wikipedia

   en.wikipedia.org/wiki/Dimmer

   A thyristor dimmer rack An electrical schematic for a typical SCR-based light dimmer Solid-state , or semiconductor , dimmers were introduced to solve some of these problems. Semiconductor dimmers switch on at an adjustable time (phase angle) after the start of each alternating-current half-cycle, thereby altering the voltage waveform applied ...

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   www.aol.com/lifestyle/the-only-amazon-deals...

   Another rare discount alert! Apple products are so sought after that they don't really need to go on sale, ... Khelfer Electric Spin Scrubber . $20 $70. Save $50 with Prime and coupon ...

7. These bestselling under-sink organizers are just $19 (50% off ...

   www.aol.com/lifestyle/under-sink-organizers-all...

   What reviewers say 💬. More than 2,700 Amazon shoppers give this under-sink storage solution five stars.. Pros 👍 "I really liked that they were so easy to put together," one fan wrote. "The ...