What is Open Fixture Rated?

The product of all factors that contribute to lowering the illumination level including reflector degradation, dirt, lamp depreciation over time, voltage fluctuations, etc.

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The end-to-end measurement of a lamp, expressed in inches or millimeters.

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A ballast whose power factor is corrected to 90% or greater by the use of a capacitor is a HPF ballast.

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National Electric Code (NEC)A nationally accepted electrical installation code to reduce the risk of fire, developed by the National Fire Protection Association.

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An Ignitor is an electronic device providing a high voltage pulse to initiate an electrical discharge. Typically, the ignitor is paired with or is a part of the ballast.

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