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  1. Lighting Design
    Does anyone know where there is good info on the theory of metal halide pulse start lights? The fixtures I'm interested in are: 250W Pulse Start Constant Wattage Autotransformer Ballast. Which consist of: 1. Ballast which appears to be a transformer with multi tapped input and leads between...
  2. Lighting Design
    Ok, I had a new request today, and curious to know if any of you guys have any input on this one. Here is the language of the request: This is for a relamp project that is moving from 175W MH lamps to 150W Pulse Start. No ballast change is required, but I have to say I have no idea on the...
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