CFLs are More Energy Efficient than Incandescent Bulbs and Halogen Fluorescent lighting is much more energy efficient that incandescent bulbs (6X more light) or line voltage halogens. The energy bill sets a phase in for this lighting.
All about Fluorescent Lighting
It's time to learn all about fluorescent lighting! Why should fluorescent lighting be used instead of incandescent light bulbs? There are at least two reasons that come immediately to mind.
In President Bush's recent energy bill, he set a timetable to phase out incandescent light bulbs in the next 4 to 12 years in favor of compact fluorescents bulbs, low voltage halogens (line voltage as well), and LED light bulbs.
They're higher in energy efficiency! Imagine, fluorescent lights emit six times more light than their incandescent cousins and last 5 times longer!
The Components on Fluorescent Light Fixtures
The components that all fluorescent light fixtures share are:
Tubes ? These are generally either long, straight tubes or tubes curled into different shapes (for circline fixtures, for instance).
Sockets ? These come in a variety of shapes and sizes. They serve double duty; fluorescent sockets hold the tube in place and transmit power to it.
Ballasts ? The ballast is crucial. When the electric light switch is flipped, the ballast bolsters the electrical current which starts the tube, and then reduces the voltage to the minimum voltage required to keep the light burning properly. This voltage drop is the main reason fluorescents are so power-stingy. Note: Some fixtures also have trigger switches or starters.
Fluorescent Temperature and Color
Different applications demand different fluorescent temperatures and colors. The temperature (rated in degrees Kelvin) ranges from warm down to cool. Cool tubes are 4000 K and higher and their harsh light is sometimes described as ?factory light?. It's a good choice for task lighting, such as over a wood shop's work bench.
Warm tubes are classified as 3000 K and less. They approximate the light that an incandescent bulb gives off. Medium temperature bulbs are also available. The fluorescent tube's temperature and wattage is generally found on the tube, near the end.
What is color rendering? Simply the tube's ability to illuminate objects. A CRI (Color Rendering Index) of 100 is considered standard, which is logical since it approximates true sunlight. So, tubes with a CRI in the 90's are used for plant grow lights and the typical standard warm tube is around 50.
Identify a Burned-Out Tube
It's easy to identify a burned-out tube. Fluorescent tubes use cathode filaments. In time they wear away leaving sooty-looking deposits on the tube ends and don't do their job properly anymore. This is the normal ?burning out? process, unlike incandescent bulbs that work fine until the filament fails abruptly and quits working.
With a new tube, the black deposits are very faint. The darkness progresses until it's very black and reaches the end of the tube. Time for a new one! A common misconception is that a blinking or flickering bulb indicates a burn-out. Not so; that could be several other things, such as a bad ballast, a faulty starter, or simply a dirty bulb.
Like any other form of communication, you need to use proper etiquette while in chat rooms. Find out some basic guidelines by reading this article!
Chat rooms are a very popular as well as a very busy place for people to hang out on the Internet. It is a good place to meet and talk to people from all around the world. It is just like the telephone or being at a party though, becuase chat room involvement requires that everyone use the proper etiquette. Proper etiquette is needed for good relationships and good communication with other people, and it also makes the chat room experience a fun one.
Here are some basic chat room rules of proper etiquette that will help your chat room experiences be more pleasant for you as well as the others in the room.
Rule Number One- This is probably the most important rule. Do not verbally abuse, attack, embarrass, or threaten anyone else in the chat room, no matter what they might say to you. You are bound to find some troublemakers on the Internet. But, the best way to deal with them is to just ignore them or simply leave the room. Rule Number Two- Do not use obscene, offensive, or sexually explicit language. You don't need to use this kind of language in order to speak to someone or to get your point across to others. Rule Number Three- Never type your messages in by using all capital letters. On the Internet, this is considered to be screaming or yelling at another person, and, of course, this is nothing short of rude. If you want to *emphasize* a word or phrase, simply type an asterisk in before and then directly after your word or phrase. This is a widely recognized way to get your point across without being rude.
Rule Number Four- There are two things that are sometimes typical, especially with young chatters, that you really should not do. One is what is commonly known as the Sex Check. This is when someone in the room sends a message to everyone asking whether they are M (males), or F (female). This is not generally considered to be in good taste unless you are in a chat room that is specifically for people who are looking for a love interest.
Remember how it is bad manners to ask someone, especially a woman, their age? Well, the same rule applies to an Internet chat room. Never ask everyone in the room how old they are. This is another typical thing done by young chatters who want to meet a guy or girl. Rule Number Five- When you are entering a chat room, you should always greet everyone whether you know them or not. Be sure to wait until there is a lull in the conversation already in progress, though. Don't interrupt. And, when someone else enters the room, you should make it a point to at least recognize their presence and greet them with a friendly "Hi (their screen name)!" Rule Number Six- Don't speak unless you know what the conversation is about first. And, in speaking while in a chat room, don't type in long, detailed messages that will take alot of time and space. Also, never interrrupt someone else. Be patient; you will get your chance to speak.
By following these rules, your chat room experiences can be positive ones. You can make new friends and connect with others who share your same interests.
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