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Description / Abstract:
This standards publication contains definitions, dimensions, and
tolerances for recessed luminaires designed to use fluorescent,
high-intensity discharge and incandescent light sources.
Drawing examples show fluorescent lamps. However, these drawings
also apply to high intensity discharge, compact fluorescent,
incandescent, and other lamp sources.
This standard does not apply to hard metric dimensioned
products. However, soft metric dimensions or direct metric
conversions may be applied throughout this standard as one inch
equals 25.4 millimeters.