Luminaire including a double-ended lamp and means for protecting against electric shock during relamping
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United States of America Patent
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-
Apr 23, 1996
Grant Date -
N/A
app pub date -
Sep 21, 1994
filing date -
Sep 21, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This luminaire employs as its light source a double-ended lamp comprising a tubular light-transmitting envelope having a central longitudinal axis, conductive terminals at opposite ends of the envelope, and a light-generating filament connected between the terminals. The lamp, when installed in the luminaire, is connected between a pair of spaced contacts respectively engaging its conductive terminals. The luminaire is constructed in such a manner that an installer engaged in relamping it is blocked from accidentally touching one terminal of the lamp while the other terminal is engaged with its mating contact, thereby protecting the installer from such electric shock as could result from touching one lamp terminal while the other is engaged with a live contact.
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