It’s worth spending a bit more in order to save yourself money and effort in the future.Branded ballasts can last for a long time so if you change one, you probably won’t need to change it again for 10 years or more.The process for swapping out magnetic ballasts for electronic ballasts is pretty simple and straightforward. If your fixture uses circular fluorescent bulbs, a plug … How to Turn off power to the fixture Open fixture and remove the bulb and ballast casing Using the wire cutters, cut both power (brown) and neutral (blue) wires coming into the fixture Cap the wires with wire nuts. This small cylinder-shaped component sits behind the light fixture and is filled with gas which, when heated, enables the light to start. A multimeter is designed to measure electric current, voltage and resistance. If you sometimes hear your light buzz or see it flicker, it’s this changing flow of current that’s causing it.Less advanced in their design than electronic models, some magnetic ballasts can’t function without the aid of a starter.
An electronic ballast will convert power frequency to a very high frequency to initialize the gas discharge process in Fluorescent Lamps – by controlling voltage across the lamp and current through the lamp. While these lamps are still in stock in some stores, replacing the ballast with a more efficient T8 electronic ballast could be a better choice.The label on the ballast shows two important labels.Lamp compatibility table (type of lamps that can be used with this ballast)Ballast wiring diagram (shows how the ballast is wired to the lamps)Fluorescent lamps use a ballast which transforms line voltage to a voltage to start up and operate the lamp(s).
In the example above, lamp type F32T8 has the following three requirements:
They can operate 15,000 to 20,000 switch cycles before failure. If the lamp fixture does have a starter, it will be obvious. When the starter switch is opened, the current is briefly cut off from the ballast. Remove the fluorescent bulbs from the fixture. Instant start ballasts are wired in ballasts are used in T12 and older T8 fixtures and wired in ballasts heat the electrodes while applying the starting voltage (about 500 volts) to start the lamps quickly in about 0.5 to 1.0 seconds.
The magnetic field produced by the wire traps most of the current so only the right amount gets through to the fluorescent light. If you are missing the instruction manual, most major manufacturers will have opies on their website.If the ballast is not the problem, you may need to replace your fluorescent tube. This is called the pre-heat method.As it can take several seconds for this process to complete, you may see a delay between the moment you flick the switch and when the fluorescent light begins to glow.If your light fixture has two or more fluorescent tubes, it’ll likely use another different method known as rapid-start. In newer lamps the process provided by a starter is built in, making the function of a separate starter redundant. Some are rated for only 120 volts, others for only 277 volts (used in commercial environments). Various parts can be replaced for switch start, rather than the whole unit, which could been seen as an advantage.Join over 70,000 people who receive weekly lighting tips, amazing offers and discounts.The complete guide to ballasts for fluorescent lights Electrode heating continues while the lamps are on and consume a little more power (about 2 watts per lamp) than instant start ballasts. Use the wire cutters to cut the wires connected to the sockets. When a series ballast (rapid start) operates multiple lamps and one lamp fails, the circuit is opened and the other lamps will not light. Newer electronic ballasts are usually wired in parallel, except for rapid start, programmed start, and dimmable ballasts. They are inexpensive and can be found at most electronics shop.These instructions are for guidance purposes only – ensure you reference the manufacturers wiring diagrams. It may be attached with nuts or clips or simply snapped into place. To regulate the current flowing throughout fluorescent lights, we use what’s known as a ballast.The ballast (sometimes called control gear) is a small device wired to the light’s circuitry which restricts the amount of electrical current travelling through it.Because your home’s mains power has a higher voltage than the light needs to operate, the ballast gives the light a small boost of voltage to start and then just enough of a supply to stay running safely.The process that occurs inside a fluorescent light involves molecules of mercury gas being heated by electricity and made more conductive.
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