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2. Wireless light switch - Wikipedia

   en.wikipedia.org/wiki/Wireless_light_switch

   Dimmer light switch with RF-based remote control [1] A wireless light switch is a light switch that commands a light or home appliance to turn itself off or on, instead of interrupting the power line going to the light fixture. There are different ways to communicate between the switch and the fixture: [2]

3. Dimmer - Wikipedia

   en.wikipedia.org/wiki/Dimmer

   When the dimmer is at 50% power, the switches are switching their highest voltage (>325 V in Europe) and the sudden surge of power causes the coils on the inductor to move, creating a buzzing sound associated with some types of dimmer; this same effect can be heard in the filaments of the incandescent lamps as "singing". The suppression ...

4. Compact fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Compact_fluorescent_lamp

   The dimmer switch used in conjunction with a dimmable CFL must be matched to its power consumption range; [58] many dimmers installed for use with incandescent bulbs do not function acceptably below 40 W, whereas CFL applications commonly draw power in the range 7–20 W. Dimmable CFLs have been marketed before suitable dimmers are available.

5. What are the deadliest plane accidents? See list after South ...

   www.aol.com/news/deadliest-plane-accidents-see...

   After over 100 people were killed in a South Korea plane accident, here are the worst accidents and crashes in aviation history.

6. Trump says Liz Cheney ‘could be in a lot of trouble’ after ...

   www.aol.com/donald-trump-says-liz-cheney...

   Trump thinks former Rep. Liz Cheney could face serious consequences after a House panel called for her to be investigated by the FBI for possible witness tampering during her handling of the ...

7. US official fighting Chinese telecom intrusions urges more ...

   www.aol.com/news/us-official-fighting-chinese...

   By Raphael Satter. WASHINGTON (Reuters) - A senior U.S. official who is among those working to evict alleged Chinese hackers from American telecom companies has a word of advice for his fellow ...