lampholder


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lampholder

(ˈlæmpˌhəʊldə)
n
(Electrical Engineering) a fixture for an electric light bulb
References in periodicals archive ?
Our experience and expertise gives you the most value for your lampholder dollar.
Greg Galluccio, Leviton Director, LED Business Development, Lampholder Product Management
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.
Installation of metal doors and facades with the following partial performances: - 63 steel lampholder elements with and without fire protection requirement T30 and T90, partly with glass cutout - 5 heat-insulated steel lampholder elements with and without fire protection requirement T30 and T90-5 steel and glass door elements with and without fire protection requirement T30 and T90 - 6 steel inner windows, each approx.
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.
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.
Tenders are invited for 10 EA box, outlet, 4" long; 10 EA box, utility, 2-3/8"; 10 EA plug, attachment, 30 amperes 125/250v 4w3p; 10 EA lampholder.
Two basic types of retrofit devices exist: the first is a self-ballasted or integral power supply lamp that has a lamp screw-base or two-pin base to replace an existing incandescent lamp; the second is a component kit that is used to replace the lampholder, wiring, ballast and/or optics of a luminaire in the field.