What are the wires 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 color wires are on a 2 lamp 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. An instant start ballast uses a single wire which connects from the ballast to each of the lamp terminals.
How many wires does a ballast have?
Wires on the Replacement Ballast / Transformer The replacement ballast provides 5 wires: black, white, blue, blue (equivalent) and red. Incoming electrical power at the fixture connects to the line BLACK and WHITE wires shown on the diagram.
What size is ballast wire?
18 AWG
Ballast wires are 18 AWG. Use a blue wire connector for up to four 18 AWG wire connections. Use orange wire connector for more than four 18 AWG wire connections. Light fixtures from the factory are wired with the ballast wires connected directly to the lampholders.
What are the yellow wires on a ballast?
The two yellow wires complete the circuit through the fluorescent tube back into the ballast. The red and blue wires energize the pins the fluorescent tube is attached to, the yellow wires connect to the pins on the opposite ends of the fluorescent light tubes completing the circuit.
What is the GREY red wire on the ballast for?
The gray/red wire is the return path for the second set of lamps. In other words, it is the neutral for the second set of lamps.
What are yellow wires for on 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 are the yellow wires in a ballast?
The other individual red wires connect from the ballast to push-in connectors on each side of the left holder of lamp 2. 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.
How do you wire a 3 wire ballast?
Starts here1:56HOW TO INSTALL A 3 WIRE BALLAST FOR A DOUBLE TUBE …YouTube
What do the numbers on a ballast mean?
About Advance Ballasts and Fluorescent Lamps. Advance Ballasts that utilize fluorescent lamps usually come in two shapes, straight and u-shaped. Most fluorescent types are T5, T8, and T12. The T stands for tubular and the number provides the diameter in 1/8 of an inch. Therefore, a T12 ballast must use a T12 bulb.
Is yellow wire negative or positive?
Yellow is positive, blue is negative. With the 12v wall plug I used it’s red to yellow, black to blue. 3 of 3 found this helpful.