Can you use a two lamp ballast on a single lamp?

A 1 lamp rapid start (series) ballast can be hard to find, but it can be replaced with a 2 lamp instant start (parallel) ballast.

How do you wire a 2 wire ballast?





Connect the wires from the ballast to the wires on the light fixture in the following manner: one blue wire from the ballast to one blue wire from the light fixture; the other blue wire from the ballast to the remaining blue wire from the light fixture; black ballast wire to building’s black (hot) wire; white ballast …

Why does my light fixture have 2 ballasts?

Light Fixtures with Two Ballasts



This is because the wire colors on the ballast and the lampholders do not match up on two of the connections. On the 4 lamp instant start ballast diagram below, each individual wire is connected to a pair of individual wires on the lampholders.

What do you do with the extra blue wire on a ballast?

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Both your two blue wires on the new ballast are going to go to one side of the bowl. And then you have a middle red wire on your new ballast as well that red wire you're gonna need to split.

How do you wire a single light ballast?

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But these get twisted together and go to one blue these get twisted together and go to the other. And then the red one goes down and connects to both of those wires.

How do you wire a instant start ballast?





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Using a screwdriver nut driver or socket remove. The old magnetic ballast install the new electronic ballast with the black and white wires facing the wires on the fixture that connect to the line.

How do you wire a ballast wire?

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It's very simply installed just follow the wiring diagram. And make sure the wires go to the parts of the light fixture that correspond with the diagram.

How do you wire an electronic ballast?

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Now depending on what you're switching to or what you're taking out there may be different wiring so in this ballast. This old ballast here we've got a black and a white and a blue and a red here.

What are the yellow wires on a ballast?

The common yellow wires connect from the ballast to push-in connectors on one of the right holders of lamp 1 or 2. Two yellow wires connect the common lampholders together.

What is the blue wire on a ballast?



The ballast has a hot and neutral wire at one end to receive power, and two blue wires a red one at the other end to supply power to the lights.

What are the red and blue wires on a ballast?

2 and 3 lamp instant start ballasts use blue wires for individual connections, and red wires for common connections. Black wire is for line voltage and white wire for neutral.

How do you match a lightbulb with a ballast?

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The only things that matter when you're replacing a ballast are we're number one the number of bulbs number two the type of bulbs number three the voltage.

How do I know what type of ballast I have?



You can determine whether you have a compatible fixture in seconds. Simply turn the light on, then take a photo of the fixture using your smartphone or digital camera. If there are no dark bands on the resulting image, you have an electronic ballast that will work with direct drop-in LED tubes.

How do I find the right ballast?

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You should always use the correct ballast with the correct. Light ballasts are specifically designed for each water to fluorescent or HID light bulb.

How do I know if I have a T8 or T12 ballast?

If no markings are available, the size in diameter of the tube is the easiest way to determine the type you have installed. T8 tubes are 1-inch in diameter and T12 tubes are 1 1/2 -inch.

Are T8 and T12 fluorescent tubes interchangeable?

T8 tubes are simply 1 inch in diameter versus the 1.5 inch diameter of T12 tubes. In an effort to make LED tube lights compatible with the internal dimensions of most fixtures, you will find that most LED tube lights feature a T8 or 1 inch diameter. They can indeed be used in T12 fixtures.

Will a T8 work in a T12 ballast?



Waveform Lighting’s T8 LED tube lights feature compatibility with all ballast configurations (ballast, ballast bypass single ended, ballast bypass double ended), so they can safely be used in T12 fixtures as long as the T12 ballast is bypassed or removed.

How do you convert a T12 fluorescent bulb to a T8?

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And down at that end two blue wires two red wires. And you want to connect those together. And then over here there's two yellow wires and they're jumpered to the black wires to the other connector.

How do I bypass the ballast on a fluorescent light fixture?

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First disconnect the hot neutral. And ground wires that are connected to the ballast. Then cut all the wires leading from the ballast to the lamp sockets. Be sure to cut them close to the ballast.

Which is brighter T8 or T12?

The Standard T12 lamp produces 2,650 initial lumens per lamp. The standard T8 produces 2,800 initial lumens per lamp, 6% brighter. But the standard T12 lamp produces 2,300 design lumens and the T8 produces 2,660 design lumens.