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Document History

  1. ANSI C78.389-1989 (R2018)


    American National Standard for Electric Lamps - High-Intensity Discharge (HID) - Methods of Measuring Characteristics

    • Most Recent
  2. ANSI C78.387-1995


    Metal-Halide Lamps - Method of Measuring Characteristics

    • Historical Version
  3. ANSI C78.386-1989

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    American National Standard for Electric Lamps - Mercury Lamps - Methods of Measuring Characteristics

    • Historical Version