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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. Dimmer - Wikipedia

    en.wikipedia.org/wiki/Dimmer

    Dimmer in a residential application with RF-based remote control. Non domestic dimmers are usually controlled remotely by means of various protocols. Analogue dimmers usually require a separate wire for each channel of dimming carrying a voltage between 0 and 10 V. Some analogue circuitry then derives a control signal from this and the mains ...

  4. Lighting control system - Wikipedia

    en.wikipedia.org/wiki/Lighting_control_system

    In the 1980s there was a strong requirement to make commercial lighting more controllable so that it could become more energy efficient. Initially this was done with analog control, allowing fluorescent ballasts and dimmers to be controlled from a central source. This was a step in the right direction, but cabling was complicated and therefore ...

  5. List of Lustron houses - Wikipedia

    en.wikipedia.org/wiki/List_of_Lustron_houses

    There are a number of Lustron houses located in Brentwood. Many of them are original and many of them have been sided, have additions, or have had the windows replaced with vinyl. There are also 3 in St. Charles, Missouri that are all owned by the same owner, and one next to I-70 in Wentzville.

  6. Lustron house - Wikipedia

    en.wikipedia.org/wiki/Lustron_house

    A small group of Lustron owners are preserving the original condition of their homes and are urging others to do the same, and a significant number of entirely original Lustron homes exist. Over time, Lustron owners often removed the " Thor " brand combination washing machine/dish washer, and in cold regions, the ceiling's radiant heat systems ...

  7. ANSI device numbers - Wikipedia

    en.wikipedia.org/wiki/ANSI_device_numbers

    In electric power systems and industrial automation, ANSI Device Numbers can be used to identify equipment and devices in a system such as relays, circuit breakers, or instruments. The device numbers are enumerated in ANSI / IEEE Standard C37.2 Standard for Electrical Power System Device Function Numbers, Acronyms, and Contact Designations .