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Wireless light switches eliminate the wire from the light to the switch location. This is useful in remodelling situations where new wiring can be a hassle. Rather than tearing down a wall to gain access to the wires, a wireless switch can be used. This avoids any need to access wires and makes remodelling fast and simple.
A push train could be updated to a battery-operated train, and a battery-operated train could be updated to an electric train. Since 1969 the motor housings for 4.5-volt and 12-volt are equal and can be equipped with either a 4.5-volt or 12-volt Bühler motor unit. These motor units were sold separately as a replacement part until around 1990.
Two light switches in one box. The switch on the right is a dimmer switch. The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1]
Halogen lamps made for 12 to 24 volt operation have good light outputs, and the very compact filaments are particularly beneficial for optical control (see picture). The ranges of multifaceted reflector "MR" lamps of 20–50 watts were originally conceived for the projection of 8 mm film, but are now widely used for display lighting and in the ...
Light & Sound sets made their appearance in 1985; these sets included a battery pack with electrical lights, buzzers, and other accessories to add another dimension of realism to Lego creations. Also, that year, the Lego Group's educational division produced the Technic Computer Control, which was an educational system whereby Technic robots ...
A 12-volt outlet is any electrical outlet that outputs 12 volts and may refer to: Cigar lighter receptacle, the most famous example; Molex connector, used for connecting hard drives and optical drives, and sometimes for powering flash memory surrogate hard drive modules; Trailer lighting connector, has multiple prongs with 12 volts
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A lightbulb socket, lightbulb holder, light socket, lamp socket or lamp holder is a device which mechanically supports and provides electrical connections for a compatible electric lamp base. [1] Sockets allow lamps to be safely and conveniently replaced (re-lamping).