TSP PressFree ANSI E1.16-2002! Entertainment Technology - Configuration Standard for Metal-Halide Ballast Power Cables2002-08-02 The American National Standards Institute approved E1.16 as an American National Standard on 8 August 2002. The new standard, ANSI E1.16-2002, Entertainment Technology - Configuration Standard for Metal-Halide Ballast Power Cables, is available for free as an Adobe Acrobat PDF file. ANSI E1.16 may be a fabulously inexpensive standard, but it's designed to eliminate expensive accidents. Manufacturers of ballasts for HMI-type lamps rated 6kW and above often use a common circular, three-pin connector for connecting the detachable power cable to the ballast. Most manufacturers use one particular pin of the three for the protective ground connection, but until the publication of ANSI E1.16, there was no standard specifying that pin. Without such a standard, a manufacturer could easily decide to use a different pin for ground and the usual grounding pin for an ungrounded power conductor. This has happened, with the result that mixing different manufacturers's ballasts and power cords can lead to an electrically hot ballast chassis. The use of a standard grounding connector assignment across the industry will help prevent this from happening.
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