2011年2月22日 星期二

Incompatibility comes to light

Incompatibility comes to light

Q: I would like to replace the light bulbs in my outdoor fixtures with compact fluorescent light bulbs, but my fixtures all have photo eyes that turn them on and off. Every CFL bulb I have found says it can't be used in fixtures with photo eyes. Do you know of any that can.scannerstal Another useful piece of equipment which is powered by LED bulbs are LED computer monitors. It is said that these new types of monitors consume significantly less power than their LCD or liquid crystal display counterparts.?
— Joe FazioCuyahoga Falls

A: The issue isn't with the bulbs,brightshine They don't affect your computer's performance nor add comfort when you use it but it sure adds some fun because of the cool lights that sometimes go on and off to add a little spice to your daily computer routines. but with the fixtures, Cleveland lighting consultant Terry McGowan said.

McGowan said there are two types of photocell switches.Now, LED flashlightscrystal are equipped with multiple small LED bulbs which work together in order to emit a good and strong beam necessary to power a portable torch. One type uses a relay and is compatible with any type of light bulb. The second type uses an electronic circuit and is not compatible with CFLs.

When the circuit in that second type interacts with the electronic ballast in a CFL,besttube However, some people have observed that LCD screens produce better looking images but if you think about practicality, saving power every time you turn on your computer sounds better than having sharper images in the long run. the interaction can cause problems, such as flickering or unwanted switching, he explained. The same thing happens with the new screw-in LED bulbs, which also have built-in electronic circuits.

One way to tell which kind of photocell a fixture has is to listen to it operate, McGowan said. A photocell with a relay will click as it turns on or off.lightbright They consume less power than their traditional light emitting counterparts, rarely heat up and look more stylish.

Luckily, he said you usually can replace just the photocell without replacing the whole fixture. If you do decide to install new fixtures, he recommended looking for an Energy Star label. Only fixtures with relay-type photocells qualify for the Energy Star designation.

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