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Hook up fluorescent light fixture

Installing fluorescent light fixtures is an inexpensive way to make a dark or dim space bright and cheery.

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After hanging a fluorescent lamp in a garage, the next step is connecting the wiring. Typically, you hang the lamp at the area where an existing light was installed and use the existing switched circuit to power the light fixture. Alternatively, an electrician installs a ceiling box and pulls wires to a switch.

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By: Walter Curtis Updated: May 4, You might consider replacing some of your old incandescent fixtures with fluorescent lamps. Fluorescent light provides even and shadow-free illumination, but, best of all, fluorescent bulbs are more efficient than incandescent bulbs. In an incandescent bulb, much of the electric power is discharged as heat instead of light.

The fluorescent bulb, in contrast, remains cool.

How does a fluorescent lamp work? In a fluorescent circuit, beginning at the left-hand prong of the plug, current goes through the ballast, through one of the lamp filaments, through the closed switch in the starter, through the other filament in the lamp, and out the right-hand prong of the plug. The current heats the two small elements in the ends of the fluorescent tube; then the starter opens and current flows through the lamp.

The ballast is a magnetic coil that adjusts the current through the tube. It makes a surge of current arc through the tube when the starter opens, and then it keeps the current flowing at the right rate once the tube is glowing.

In most fluorescent fixtures, the starter is an automatic switch.

Once it senses that the lamp is glowing, it stays open. The starter closes whenever you deenergize the fixture.

How to install a fluorescent light

Many fluorescent fixtures have more than one tube in order to provide more light. These lamps must have individual starters and ballasts for each tube. The fixture may appear to have two tubes working off one ballast, but actually there are two ballasts built into one case. Fixtures with four tubes, similarly, have four starters and four ballasts. In some kinds of fixtures, the starters are built in and cannot be individually replaced. Since there are only three primary parts in a fluorescent lamp, you can usually take care of any repairs yourself.

All fluorescent lamps grow dimmer with age, and they may even begin to flicker or flash on and off. These are warning als, and you should make the necessary repairs as soon as you notice any change in the lamp's normal performance. A dim tube usually requires replacement, and failure to replace it can strain other parts of the fixture. Likewise, fluorescent flickering or flashing will wear out the starter, causing the insulation at the starter to deteriorate.

Fluorescent fixtures can be serviced quite simply by the replacement method. If you suspect that a part may be hook, replace the part with a new one. Start with the fluorescent tube or bulb. You can light install a new one or, if you're not sure the fixture is burned out, test the old tube in another fluorescent fixture. Remove the old tube by twisting it out of its sockets in the fixture. Install the new tube the same way -- insert the tube's prongs into the socket and twist the tube to lock it into place.

If the problem is not in the tube, try changing the starter. Fluorescent lamp starters are rated by wattage, and it's important you use the right starter for the tube in your fixture. Remove the old starter the same way you removed the old tube, by twisting it out of its socket in the fixture.

Install a new one by inserting it into the socket and twisting it to lock it into place. The ballast is also rated according to wattage, and a replacement ballast -- like a replacement starter -- must match the wattage of the tube and the type of fixture. The ballast is the least likely part to fail and most difficult to replace, so leave the ballast for last when you start replacing parts.

If neither the tube nor the starter is defective, the problem must be the ballast. To replace a faulty ballast, deenergize the circuit, disassemble the fixture, transfer wires from the old ballast to the new one -- one at a time, to avoid an incorrect connection -- and, finally, reassemble the. If the tube, the starter, and the ballast are all working properly but the lamp still doesn't light, check for a defective switch.

If the lamp is controlled by a wall switch, replace the switch, as detailed in the next section. If the lamp has a push-button switch, the old switch can be replaced by a new one of the same type. To deenergize the circuit before working on the switch, remove the circuit's fuse or trip the circuit breaker. In most cases, the switch screws into a threaded mounting nut on the inside of the lamp.

Two wires from the switch are connected, usually with wirenuts, to four wires from the fluorescent tube. Disassemble the fixture as far as necessary to gain access to the back of the switch, then screw in the new switch and transfer wires from the old switch to the new one, one at a time to avoid an incorrect connection. Reassemble the fixture, and reenergize the circuit.

On the nextwe'll discuss the steps you'll need to take to install a new fluorescent fixture. Fluorescent lights can malfunction for many reasons, such as defective startes, incorrect wiring, or a bad ballast.

for a guide to troubleshooting fluorescent fixtures. If you're considering installing a new ballast or a new switch, consider putting in an entirely new fixture. An old fluorescent fixture suffers the same aging effects that an incandescent fixture does.

Of course, you can also replace an old incandescent lamp with a new fluorescent model. Either replacement is well within the capabilities of the do-it-yourselfer.

Step 4: Position fixture against ceiling, and fasten it with screws packaged with new lamp. You may have to reassemble fixture, either before or after mounting it, depending on its style. Restore power. Fluorescent lamps are a great lighting option for your home. And now you can take full advantage of this light source.

Home Improvement. Home DIY. Home Repairs.

How to Install a Fluorescent Light. A fluorescent fixture has three main parts -- the bulb, ballast, and starter. When one of these components malfunctions, replacement is usually the answer. To install a new fluorescent tube, insert the tube's prongs into the holder and twist the tube to lock it into place. Change the tube when it dims, flickers, or flashes on and off. To install a starter in afluorescent fixture, simplyinsert the starter and twist it to secure it in its socket. Fluorescent Light Fixes. Installing a New Fluorescent Fixture If you're considering installing a new ballast or a new switch, consider putting in an entirely new fixture.

Here are the steps to take when installing a fluorescent fixture: Advertisement.

D-i-y fluorescent light installation: how to wire a fluorescent light

What You'll Need. Screwdriver Wire stripper with cutting blade Wirenuts or solderless connectors Replacement fluorescent fixture. T5, T8 and T12 lamps are fluorescent covers that are differentiated through the size of their exterior. T12 lamps have a diameter of 1.

What are fluorescent light covers called? Fluorescent light covers are called diffusers. Diffuser is a name given to any material tasked with reflecting and scattering light. These are most commonly used as light covers or panels. Do fluorescent light covers work? Fluorescent light covers have a soothing impact as they reduce general glare and can reduce headaches and eyestrain. Additionally, people tend to sleep better with them in place. How many fluorescent lights can you put on one circuit?

You should be able to add up to eight fluorescent lights on a single circuit. Since most outlets come with a rating of amps, you are likely to not overburden or overload it at that quantity. When was the fluorescent lamp invented? The first low-pressure mercury vapor lamp was patented and created back in U. American inventor Peter Cooper Hewitt is accredited with this.

How to wire a hanging fluorescent lamp in a garage

This patent is considered the very first prototype of today's modern fluorescent lights. Cite This!

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