Historical

NEMA ANSI C78.389:2004

For electric lamps - high intensity discharge - methods of measuring characteristics

Describes the procedures to be followed and the precautions to be observed in measuring the electrical characteristics of HID lamps as outlined in the ANSI specifications for mercury, high-pressure sodium and metal halide lamps, as referenced in Clause 2, Normative References.

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NEMA: National Electrical Manufacturers Association [nema]

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