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2. Dimmer - Wikipedia

   en.wikipedia.org/wiki/Dimmer

   A common dual dimmer module used in stage lighting A dimmer. A dimmer is a device connected to a light fixture and used to lower the brightness of the light.By changing the voltage waveform applied to the lamp, it is possible to lower the intensity of the light output.

3. GU24 lamp fitting - Wikipedia

   en.wikipedia.org/wiki/GU24_lamp_fitting

   The GU24 fitting is intended to maintain the energy efficiency of the light by preventing an occupant from using an incandescent bulb instead of a CFL. Adapters to use incandescent bulbs in a GU24 fitting are illegal in the State of California as they would be a fire hazard in fixtures designed for the lower heat output of a CFL bulb.

4. Stage pin connector - Wikipedia

   en.wikipedia.org/wiki/Stage_pin_connector

   A newer stage pin connector. Note the GR denoting the longer ground pin, which is slightly off-center to prevent the plug being inserted upside down.. A stage pin connector, also known as a grounded stage pin (GSP), grounded pin connector (GPC) or theater paddle (TP), is a standard cable type for theatrical lighting in North America and in many countries in the theatre world.

5. DMX512 - Wikipedia

   en.wikipedia.org/wiki/DMX512

   A start code of 0x00 (hexadecimal zero) is the standard value used for all DMX512 compatible devices, which includes most lighting fixtures and dimmers. Other start codes are used for Text packets (0x17), System Information Packets (0xCF), for the RDM extension to DMX (0xCC), and various proprietary systems.

6. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   Two light switches in one box. The switch on the right is a dimmer switch. The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1]

7. RDM (lighting) - Wikipedia

   en.wikipedia.org/wiki/RDM_(lighting)

   Remote Device Management (RDM) is an addition to the DMX512 control protocol for stage lighting equipment, introduced in 2006. DMX512 was developed in the late 1980s as a standard protocol for lighting consoles to communicate with dimmers, but has since been used for more complex applications, including the control of intelligent lighting fixtures.