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UL 863
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UL 863 8th Edition, November 3, 2009 UL Standard for Safety Time-Indicating and -Recording Appliances
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Description / Abstract:
These requirements cover electrically-operated clocks that form
parts of a master clock system, secondary, cost, pay-roll, and
other clocks intended primarily for industrial installations; and
also time stamps, job-card recorders, timers, and similar
time-indicating and -recording appliances. These appliances are
intended for use on circuits of 300 volts or less in accordance
with the National Electrical Code.
These requirements do not cover clocks intended primarily for household installations nor do they cover illuminated clocks designed to serve as portable electrical lamps or for other illuminating purposes.
These requirements do not cover clocks intended primarily for household installations nor do they cover illuminated clocks designed to serve as portable electrical lamps or for other illuminating purposes.