How to Install a Fluorescent Light Tips and Guidelines
Mount the new fixture to the ceiling or wall. Wire nuts if needed must be selected based on the size and number of wires being connected to one another. Use a wire nut to connect the blue wire to the blue wire, the red to the red, the white to the white, and the black to the black.
Already answered Not a question Bad question Other. On the next page, we'll discuss the steps you'll need to take to install a new fluorescent fixture. If the lamp is controlled by a wall switch, replace the switch, as detailed in the next section. If neither the tube nor the starter is defective, the problem must be the ballast.
- Tip Test your non-contact voltage tester with a confirmed live circuit before testing the circuit you are working on.
- To install a new fluorescent tube, insert the tube's prongs into the holder and twist the tube to lock it into place.
- Turn off the electrical breaker for the circuit to the existing light fixture.
- Electricians can wire things multiple ways.
- The white is a neutral that completes the circuit.
- Turn the metal tabs near the center of the fixture perpendicular to its length.
How to Wire a Fluorescent Light Fixture
- If you're not comfortable using electrical testers to check for hot wires, then I'd recommend getting the electrician back to finish the job.
- If pursuing a retrofit, schematic reading skills will be required.
- Often, homeowners purchase a new interior or exterior light fixture, then pay a handyman or electrician to hook it up because the wires are different colors.
Warning Ballast incompatibility can cause premature light failure or damaged equipment. The starter closes whenever you deenergize the fixture. Depending on the number of lamps in the fixture, you may have to tie some together. These screws may have nuts attached or the screws may be threaded into tapped holes.
What Wires Go to What When Hooking Up a Light Fixture
If you are unsure if the circuit is hot or you must work on a hot circuit, use one hand only, stick the other in your back pocket. Allow the light at least a minute to start. Custom Filters release announcement. You'll need to determine if the hot is indeed switched, and what other fixtures are also switched, for us to give a proper answer.
Check the position of the mounting screw holes of the new ballast against the position of the holes on the old ballast. The sockets themselves may need to be replaced. Once it senses that the lamp is glowing, it stays open. Most light fixtures have two electrical wires with colored insulation and a copper ground wire. Motion lights have black, white and red wires.
Read on to learn how to swap out the old with an approved replacement ballast of the same technology. Just wire the light's white to the lonely white and black to black the same way. If the light can be turned on or off from switches at each side of the room, you'll see a blue wire that connects the electrical circuits for three-way switches. Be sure the red and blue wire face the end with red and blue wires, and the black and white wires face the other end. With this knowledge, you or a family member can do the wiring connections for one or more lights.
How do I wire in the new ballast? The power then runs to the white line and down to the wall switch. Install a new one by inserting it into the socket and twisting it to lock it into place.
An enthusiastic homeowner can save the cost of a professional by knowing which wires connect to which. How it works in your configuration if I'm right - imagine the electrical current like a flow of water. If the tube, the starter, and the ballast are all working properly but the lamp still doesn't light, check for a defective switch.
It is difficult to determine if starters are functional merely by inspecting them visually. When one of these components malfunctions, replacement is usually the answer. How does a fluorescent starter work? If the breakers aren't labeled, ask a family member to turn on the light with the switch as you cycle through the breakers until it goes off.
Fluorescent lamp starters are rated by wattage, and it's important you use the right starter for the tube in your fixture. Two wires from the switch are connected, usually with wirenuts, to four wires from the fluorescent tube. The electrician installed a new wall switch in the kitchen, so that when I replace the fluorescent light, it can be turned on and off at the wall switch. In some cases, it may run through the electrical box where the existing light is installed, but it is only a switch wire and not a wire for the light. The old lamp holders may not support the new lamps, and the new ballast may not light the old lamps.
This will prevent overloading and fire hazard. Home Questions Tags Users Unanswered. It makes a surge of current arc through the tube when the starter opens, canada dating agency and then it keeps the current flowing at the right rate once the tube is glowing. Fluorescent tubes contain toxic chemicals.
How to Wire a T8 Ballast
Restore power to the circuit and check that the light is operating properly at the switch. Again, this depends on the manufacturer, and any color wire nut can be used to connect a corresponding color of electrical and light fixture wires. These lamps must have individual starters and ballasts for each tube. Open the package of wire nuts and installation screws that came with the new light fixture.
What Wires Go to What When Hooking Up a Light Fixture
Before you cut any wires, it is recommended that you check both the hot and neutral feed wires for voltage with respect to ground. There is a white wire - neutral, and a black wire- hot, and I know to wire white to white and black to black. In addition, greek speed dating there is a bare copper ground wire that connects to a green grounding screw inside the electrical box.
In an incandescent bulb, much of the electric power is discharged as heat instead of light. Since there are only three primary parts in a fluorescent lamp, you can usually take care of any repairs yourself. Properly recycle spent fluorescent lamps.
Cookies make wikiHow better. You connect black to black, and the power flows into the light, then out the white line. For advice on additional safety tips, as well as a method using wire cutting, read on! If you are not sure which breaker operates the light, shut off the whole house breaker to be safe.
So - don't touch the second white and black. In most cases, the switch screws into a threaded mounting nut on the inside of the lamp. But perhaps the second black and white wires are for that plug, and the electrician just capped them together temporarily because they come from the same outlet. Do the same with the other side. If you find voltage, african south check that you have turned off the correct breaker.
Check the type of the original ballast. Some fixtures require proper grounding, too. Black and white always connect to black and white.
Yes, but not the other way around. This is best done with a nut driver or socket wrench. You will need to cut the neutral wire loose from the bulb.
Insert the red, blue, black and white wires in their corresponding holes, screw the nut back in place and replace the lamp. Take care to not obscure the entrance hole for the V supply wires with the ballast. In most cases, the nuts are the same color, such as red, yellow or black. Usually, if the lamps have turned black at one or both ends, they are bad, but the only way to know for sure is to replace them with good ones. In most fluorescent fixtures, the starter is an automatic switch.
Cap the two blue wires and install the red, black, and white as usual. Often, the ballast housing is a piece of metal held in place with small tabs. Connect each of the blue wires leading from the sockets to one of the blue wires on the ballast. Click here for a guide to troubleshooting fluorescent fixtures.