Lighting. Monday , September 24th , 2018 - 11:41:01 AM
It may be easier to think of colored LEDs (RGB) and white LEDs in terms of another industry: Automotive. RGB LEDs are like the internal combustion engine: Reliable, abundant, easy to use and manufacture, and fairly well developed in terms of the potential for new or breakthrough technologies. There are lots on manufacturers and each has their own set of patents and "tricks of the trade" to help give themselves some marketing leverage over the competition. White LEDs are like the alternative energy industry for transportation: Quite varied, still relatively "new", still needing to be market proven, more expensive, more challenging to manage. There are many manufacturers, each using a different technology or combination of technologies to achieve what they believe is the "the next big thing." Following this analogy, RGB LEDs are mature enough to compete on cost alone and the drop in costs is what fuels new applications for colored LEDs that had not been thought of previously. White LEDs, on the other hand are still developing technically and should not be shopped based on cost alone. The need for quality and longevity is what fuels the further research and development into white LEDs.
Landscape lamps are attached to special landscape wire by a simple contact that pierces the jacket of the wire. The wire is attached to a transformer that is designed to be installed outside and plugged into an exterior GFCI outlet. The transformer, or power pack as it is also called, reduces the landscape lighting from 120 volts to 12 volts, making the run of lamps and the wire safe for dogs, children and the occasional errant lawnmower or gardener digging with a shovel. There is not shock if for any reason, the landscape wire is exposed, cut or compromised.
CFLs (Compact Fluorescent) only use 20-25% of electricity used by incandescents, making them a popular energy efficient choice for homes and businesses. The fluorescent tubing of the lamps can be bent and folded into a variety of shapes. Double turn, triple turn, quadruple turn and spiral shaped bulbs are a standard form but the advent of bulbs such as the Plumen, the world's first designer energy saving light bulb which derives its name from the feathers of a bird and the unit of light, suggests new shapes will continue to appear. For most lamps electronic ballast is contained within the base of the lamp although separate operating ballast may be needed for different voltage operations.
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