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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.
Working conditions for lighting technicians vary a great deal from one job to another. Lighting technicians generally spend a lot of time on their feet and the pace of work can become hectic. Last-minute changes are often required and safety precautions must be observed when handling hot lamps, climbing ladders or working on high voltage ...
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The square-wave nature of the power flow allows lamp life to be extended by as much as 20%. Most modern ballasts are now also equipped with a dimmer, which uses pulse-width modulation to dim the lamp up to 50%, or as much as one stop of light. Unlike a tungsten-based light, which has a negative color temperature shift with a drop in power, the ...
Video demonstrating the operation of a touch-sensitive lamp. A touch-sensitive lamp is a combination of a lamp and a touch switch. They act on the principle of body capacitance, activated by human touch rather than a flip, push-button, or other mechanical switch. They are popular as desk and nightstand lamps. Touch-sensitive lamp switches may ...
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In 1969, Jules Fisher, from Casa Mañana area theatre in Texas saw the invention and use of 12 PAR 64 lanterns with 120 W, 12 V lamps fitted, 360 degrees of pan and 270 degrees of tilt, a standard that lasted until the 1990s. This lamp was also known as the 'Mac-Spot' [1] In Bristol in 1968, progress was also being made, mainly for use in live ...
Today's Wordle Answer for #1244 on Thursday, November 14, 2024. Today's Wordle answer on Thursday, November 14, 2024, is UVULA. How'd you do? Next: Catch up on other Wordle answers from this week.