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668-1987 - IEEE Recommended Practice for Electrical Heating Applications to Melting Furnaces and Forehearths in the Glass Industry

Description: The purpose of this recommended practice is to present procedures and positions preferred by the IEEE for using electric heating in the glass industry's melting furnaces and forehearths and to provide criteria for the safe performance of these electrical heating applications. The practice refers to the wiring of the equipment, the insulation of the refractories, the grounding of equipment and the safe operation and connection of the furnaces.
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