Look at the number of wires and to what they are connected in the current light fixture. Individual vs common ballast wires.
Fluorescent Light Ballast Repair Replacement Wiring
Fluorescent ballast replacement wiring diagram. Remove the fluorescent ballast compartment cover to expose the internal wiring and ballast. A fluorescent tube circuit includes a ballast wires lampholders and the tubes. It reveals the elements of the circuit as streamlined shapes and the power and also signal links in between the devices. There are four basic types of fluorescent ballasts. On this page we will refer to a fluorescent light bulb as a lamp or tube. Ballasts have a wiring diagram to show how they connect to the lampholders.
Match replacement ballast wiring to original ballast wiring. The attachment method. I suspect the wiring is not as simple as described. A wiring diagram printed right on the ballast surface. Light bulb manufacturers use the term lamp when referring to fluorescent lights. Take photos make a drawing do not fail to record this information as it makes wiring a new ballast far easier.
The repair will only take about 10 minutes. A wiring diagram is a streamlined standard pictorial representation of an electrical circuit. Some older types have starters too. Variety of fluorescent ballast wiring schematic. Follow the wiring diagram that came with your new ballast. Electricians usually refer to a light bulb as a lamp.
In time the ballast may need to be replaced. So how to wire the new ballast to my fixture so it works. Unplug the fixture or turn off the power at the main panel. Replace the ballast when your fluorescent light flickers or makes an annoying hum. Here we will be wiring the new ballast to the old and some new tombstones. Instant start electronic ballasts use a high starting voltage about 600 volts to start very quickly less than 01 seconds.
All fluorescent light fixtures consist of at least lamps lamp holders ballast and internal wiring. Before wiring to the ballast all of the 8 tombstones get a jumper wire to connect one side to the other so you could do that a head of time or as you go. Follow the colore coded wiring diagram was the recommendation yet after connecting all like colors on the new ballast to the fixture all i got was a delayed dim light at the base of each fluorescent bulb. The ballast is used to create the voltage and current necessary to start and illuminate the fluorescent lamp. My diagram has two red two blue and two yellow.