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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. Distribution board - Wikipedia

   en.wikipedia.org/wiki/Distribution_board

   A distribution board (also known as panelboard, circuit breaker panel, breaker panel, electric panel, fuse box or DB box) is a component of an electricity supply system that divides an electrical power feed into subsidiary circuits while providing a protective fuse or circuit breaker for each circuit in a common enclosure.

4. Lighting control system - Wikipedia

   en.wikipedia.org/wiki/Lighting_control_system

   [2] The term lighting control system refers to an intelligent networked system of devices related to lighting control. These devices may include relays, occupancy sensors, photocells, light control switches or touchscreens, and signals from other building systems (such as fire alarm or HVAC). Adjustment of the system occurs both at device ...

5. Leviton - Wikipedia

   en.wikipedia.org/wiki/Leviton

   [5] In 2007, following the death of Harold Leviton, the company named Harold's sons-in-law Donald Hendler and Stephen Sokolow CEO and chairman of the board respectively. [10] Later in 2007, Leviton was sued by electronics company Lutron over alleged infringement of patents. [11] In 2009, the company moved its headquarters to Melville, Long ...

6. Compact fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Compact_fluorescent_lamp

   The latter use a standard light switch, and the on-board electronics chooses the light output level based on the number of times the switch is turned on and off quickly. Dimmable CFLs are not a 100% replacement for incandescent fixtures that are dimmed for "mood scenes" such as wall sconces in a dining area.