Why does my fluorescent light 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. The other two individual wires of the same color (blue or red) connect to each of the individual pairs on lamps 2 and 3.
Are all T12 ballasts the same?
Most T12 sizes have a T8 (1″ diameter) equivalent which will snap right in, but is not electrically compatible. You need to use a T8 ballast. T8’s are smaller, more efficient and produce more light – often three T8s can replace four T12s. (or you can just use four T8s and have more light.)
Can I use a 2 lamp ballast for 1 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.
Can you use a 4 light ballast in a 2 light fixture?
Can you also use a 4 lamp ballast for 2 lamps? Many replacement ballasts can be connected to more than one combination of lamps so that a 4 lamp ballast can be connected to a 3 or 2 lamp ballast. This is indicated directly on the label and on the wiring diagram.
Can I replace a T12 ballast with a T8?
The easiest and lowest price option to replace a T12 is a T8 linear fluorescent. They have become the go-to option for pre-existing T12s. If you still have magnetic ballasts, switching to a T8 will require a ballast swap.
What kind of ballast is used for fluorescent lamps?
The Universal B234SR120M-A electronic fluorescent ballast operates (2) F40T12 or F34T12 lamps at 120 input volts. Ideal for use in normal light areas, this rapid start ballast is typically used in offices, board rooms, and retail.
Can a relb-2s40n be used as a ballast?
Hi Dale – Yes you certainly can – Advance electronic ballast RELB-2S40N can replace the RQM-2S40-3-TP magnetic ballast to operate two F40T12 lamps. I currently have a Universal lighting technology 446-L-SLH-TC-P ballast.
How is the Universal b234sr120m-a-t12 fluorescent ballast rated?
4.8 Effectiveness, average rating value is 4.8 of 5. 4.8 Value, average rating value is 4.8 of 5. ★★★★★ ★★★★★ 5 out of 5 stars. Really easy to install.
Do you need ballast for Philips advance ambistar T12?
Hi Gary – This Advance ballast RELB-2S40-N can replace the 446-L-SLH-TC-P reference ballast. Both are capable of operating two F40T12 (40w T12) fluorescent lamps at 120v. LED tubes have their own receivers and thus do not need any type of ballast. I frequently use the Home Depot online chat feature to ask technical questions.