lampholder


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lampholder

[′lamp‚hōld·ər]
(electricity)
A device designed to connect an electric lamp to a circuit and to support it mechanically.
References in periodicals archive ?
Our experience and expertise gives you the most value for your lampholder dollar.
1873 The arst sewing machine lampholder was patented by Ludwig M Wolf.
He said this caused the fuse lampholder to greatly exceed the required temperature, making the lights unsafe.
In effect, the new UL standard 153 for portable luminaires requires additional flammability testing for torchieres that have more than two bulbs in the lampholder or can accommodate more than 150 watts.
Maintenance professionals access the lamp easily by removing a quarter-turn lampholder support featuring a unique Lip Gasket (pictured), which creates a waterproof, dustproof enclosure.
To retrofit a single-end LED T8 into existing linear fixture, both hot and neutral wires of the electricity are re-routed to one lampholder (or tombstone) of the fixture and this lampholder must be non-shunted, or not bridged.
1873: The first sewing machine lampholder was patented by Ludwig M Wolf.
The wire-formed guard attaches to the enclosure rather than the porcelain lampholder, which reduces the risk of breakage during severe impact.
However, the process took over 10 years, and by the time the requirements were published, the lamp's use had waned due to ballast, igniter and lampholder issues noticed in the field.
The double-ended EasiRetrofit tube can be used with either a shunted or non-shunted lampholder and is the most popular choice for lighting retrofit as its saves 50-70% on installation labor costs.
Tenders are invited for Bipin Lampholder For Fluorescent Tube D Type As Per Is:3323-1980, First Revision Reaffiremed 1992
March 29, 2013 /PRNewswire/ -- The following is a notification from UL to consumers, retailers and manufacturers that the medium base lampholder identified below bears a counterfeit UL Mark for the United States and Canada.