how to wire fluorescent light ballast

Posted by on Jan 8, 2021 | No Comments

A ballast, which looks like a long skinny black brick, is necessary for fluorescent bulbs due to the chemistry of fluorescent lighting, but comes with the cost of some wasted energy. Step 7 Group the matching wires from ballast to light according to your ballast's manual; Feed both ends of matching wire (one from the ballast, one from the light) into the wire nut. Ballast wiring can be a bit tricky, but it's not really that difficult to do, if you pay attention.Make sure to test all the components of your florescent light, before you hook up the new ballast. Ge double ended ballast bypass led tube ul type b convert your existing linear fluorescent fixture to led without needing a comprehensive reinstall. Without a Ballast also the light won’t start as it provides the higher voltage to the light to start. Electrical pliers. Lights which are operated with a high frequency ballast do not flicker, but instead light up instantly due to the frequency being much quicker. To purchase a new 300mm led tube replacement see our fluorescent tubes section. The magnetic field produced by the wire traps most of the current so only the right amount gets through to the fluorescent light. Simply replacing the fluorescent tube will normally get the light working again; however, if the new tube doesn't light up when installed, it may be that the ballast is faulty. A multimeter is designed to measure electric current, voltage and resistance. Remove the case, lamp, and any cover that prevents you from reaching the ballast. Note: There will be four to eight wires coming out of the ballast. Remove the case, lamp, and any cover that prevents you from reaching the … But whenever we use electricity we must control it, otherwise we risk destroying the device and even putting ourselves in danger. How to Direct-Wire a Fixture for Single-Ended LED Lamps. Ballast also control the current through the tube to protect it from short-circuiting. Older fluorescent light fixtures utilized a magnetic ballast to control the flow of Remove the wire nuts from the black and white wires connecting the ballast to. Welcome to a how-to video by Toolbox DIY where will we show you how to replace a fluorescent ballast on a light fixture. And when I electrically connect everything here, there are a few more wires to deal with under the wire nuts… but all LED light tubes will now be powered (via standard house AC – no ballasts) from one side. Touch one probe on the white wire and then, one at a time, touch all the other colored wires coming from the ballast with the other probe. These rely on the principles of electromagnetism, in that when an electrical current travels through a wire, it naturally generates a magnetic force around itself. Hook the bare wire to the green screw on the other side of the switch. It reveals the components of the circuit as streamlined forms, and the power and also signal links in between the gadgets. Connect the red ballast wire to the third blue lampholder wire. While this may sound bad, it's actually quite easy to wire a T8 ballast and by doing so, you'll be able to avoid replacing the entire fluorescent fixture. These instructions are for guidance purposes only – ensure you reference the manufacturers wiring diagrams. Rapid start ballasts can only be wired in series according to the diagram on the ballast. This small cylinder-shaped component sits behind the light fixture and is filled with gas which, when heated, enables the light to start. Step 7. Locate The Ballast On The fluorescent Light Fixture Now, locate the ballast on the existing fluorescent fixture. Look at for these signs indicating that it’s your ballast: You can find out whether the issue is with the ballast, starter or the lamp with our guide - Easy Fixes for Slow to Start, Flickering or Faulty Fluorescent Tubes. Strip 1/2 inch of insulation from these wires' ends, as needed. Screw the electronic ballast into the fixture, in the same place where the magnetic one was. One advantage of the rapid-start method is that by providing a low, continuous current rather than a strong surge, it prolongs the life of the fluorescent light. It is also called a starter because of its action. Does my fluorescent tube need a starter as well as a ballast? Cut out the Red, Blue and yellow wires near each ballast. Cut all the wires connected to the fluorescent light ballast. 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. Assortment of fluorescent ballast wiring diagram. Light bulb manufacturers use the term “lamp” when referring to fluorescent lights. If the ballast looks burnt, it definitely needs replacing, Insert first probe of the multimeter to the wire connecting the red wires together, Touch the second probe to the green and yellow colour wires, If the multimeter doesn’t move, it means the ballast is dead, If the multimeter is still working, the multimeter needle should move across to the right, 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. Grounding is usually automatic if the light fixture is grounded properly. You can return items to us within 30 days of receiving your order providing the goods are unused. When replacing a fluorescent tube light with an LED tube light, the ballast becomes irrelevant, but … There is a risk of electrocution when changing a ballast so if you’re unsure ask an electrician to do the job for you. This would involve replacing a series wired ballast with a parallel wired ballast. Fluorescent Light Ballast Replacement. They’re often a feature of lighting that’s activated by motion-detection sensors (for example, toilets in workplaces or public venues) and allows the fluorescent light to last for a long time. As the starter cools, it blocks the current’s path to the filaments and makes it seek another route. Three wire nuts. If the ballast is not the problem, you may need to replace your fluorescent tube. Ballast can be quite expensive, so you want to be certain that it really is the source of the electrical problem in your florescent light … Fluorescent light fixture ballast replacement is not technically difficult but you do need to pay careful attention to wire color codes and uses on both the old and new transformers. Though this makes them energy efficient, it also shortens their life, as the surge of voltage every time they’re switched on damages them over time. We Are Open as Normal with plenty of stock! Free Shipping On All Orders Over £50 (+ VAT), The complete guide to ballasts for fluorescent lights. Forum discussion: I'm replacing a very old ballast for a fluorescent You have a 6 watt difference between T12 and T8 I know how they said T12 . There should have been instructions/wiring diagram with your new ballasts. Connect the power and neutral wires to the corresponding ballast wires. Circline fluorescent light ballast: Wire run through hole: If your fixture has a cover over the lamp(s) remove that. Ballasts have certain colors for individual wires to lampholders, and other colors for common wires to holders. On this page, we will refer to a fluorescent light bulb as a lamp or tube. The ballast limits the current by … If the mercury gas is heated sufficiently, it’ll conduct the current, generate light and then remain lit. Step 4 - Test the Ballast. If an old T12 lamp magnetic ballast is replaced with a newer T8 lamp and electronic ballast, the colors will probably not match. This one is a T12, while this one is T8.) Screwdriver; Wire connectors; Wire cutters and/or utility knife; Electrical tape; Ladder; Turn electricity off. Fluorescent Ballast Labels. Find the white wire coming from the main service panel and connect it to the white wire on the cable using a wire nut. This quickly heats the mercury gas inside the light. Electrical tape. There are two basic types of ballasts. With some 3 and 4-lamp programmed start ballasts (wired in series-parallel), if a single lamp in one branch fails, the lamp(s) in the parallel branch will continue to operate. T12 Fluorescent Light Ballast Replacement: Replacing two T12 fluorescent light To remove any old wire ends still in the tombstone simply poke a ale or small. High frequency control gear is a modern single ballast that performs the functions of all the different components in the standard switch start circuit. The fixture here uses a 2-bulb series ballast that gets replaced with a 2-bulb parallel ballast. To return your items, please e-mail [email protected] with your order number and we will send a returns number and return instructions to you. Used in older T12 and some T8 tubes, this method functions without a starter. The process that occurs inside a fluorescent light involves molecules of mercury gas being heated by electricity and made more conductive. Ballast bypass type LED tube lights are generally slightly cheaper than Ballast Compatible. A ground wire from the power source should be connected to a light fixture. Now there’s more electricity coming in, the ballast starts to do its job of regulating it. So, how to wire the new ballast … Cut the Old Ballast Wiring. The new screw-in fluorescent light bulbs (CFL or compact fluorescent lights) have a built-in ballast in their base that works to start the bulb when you turn on the light. 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. What’s the difference between switch start and high frequency control gear? 2. They are inexpensive and can be found at most electronics shop. I am looking for some advice about fluorescent ballasts replacements. 2. Fluorescent Light Ballast (Be sure to get one that’s for the specific bulb that your light requires. For this reason, they’re commonly used in spaces where the lights are left on for long periods, such as offices, shops and warehouses. UK Delivery Charges Under £50.00 See below: Royal Mail Tracked 2nd Class Delivery Under 3ft - £2.92, Royal Mail Tracked 1st Class Delivery Under 3ft - £4.83, FedEx Signed For Delivery (1-3 Working Days) - £6.49, Please note: Any orders over 3ft need to be shipped with FedEx, FedEx Guaranteed Next Working Day (If ordered before 3pm) - £7.49 ex VAT, FedEx Next Working Day Pre 12:00 (If ordered before 3pm) - £14.48 ex VAT, FedEx Next Working Day Pre 10:00 (If ordered before 3pm) - £18.00 ex VAT, FedEx Saturday Pre 12:00 (If ordered before 3pm Friday) - £21.65 ex VAT. U-shaped bulbs are held in the socket with tension springs. Most T8 tubes will have a hidden ballast, covered with a casing and resting behind the tube light. We have a quick video tutorial below. Replacing and Recycling Fluorescent Tubes Safely. What is the ballast in a fluorescent light? "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. Fluorescents have different color renderings that incandescent lamps can’t offer economically, such as plant lights for a greenhouse. Yes, if you have a bit of technical know-how, although if you’re unsure it’s best to ask an electrician to do this for you as it can be a complicated job. The current enters the filaments but at this point is too low to fire up the light, though it is enough to heat the gas (neon or argon) inside the starter. Snip the old fluorescent ballast wiring several inches from the end of the fluorescent ballast with side-cutting pliers or wire snips. And once more – good to go! Rapid Start Lampholder Wiring 2 and 4 Lamps, Swap Terminals on Non-Shunted Lampholders, Wire colors for individual and common connections on fluorescent ballasts will vary depending on ballast type, brand, and the number of lamps they support. That amount can fluctuate depending on the thickness and length of the copper wire. The two yellow wires on a 4 lamp ballast are connected together inside the ballast. There should also be a red and blue set of wires on the ballast. A fluorescent light ballast is an electrical component of fluorescent lights. A wiring diagram is a streamlined standard pictorial representation of an electric circuit. 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. At the time of starting of fluorescence bulb, it needs more voltage. In most cases when we buy a fluorescent light it comes in a complete set with all wire connected. Blue-1: two blue wires are going to take power to one end of the fluorescent T8 30W lamp circuit or holder. You need to cut these wires close to the ballast; these are input wires because they send power to the fixture. Some older electronic ballasts employ the rapid-start method described above, while newer and more advanced models use what are known as instant-start and programmed-start. Snip the old fluorescent ballast wiring several inches from the end of the fluorescent ballast with side-cutting pliers or wire snips. Now take the black wire of the power cord and tie it into the black ballast wires. Screwdriver; Wire connectors; Wire cutters and/or utility knife; Electrical tape; Ladder; Turn electricity off. You must have JavaScript enabled in your browser to utilize the functionality of this website. Turn the multimeter on the ohms scale. Twist the nut clockwise to combine the wires, making sure the nut is very tight. These output wires provide the power to the lamps. The fluorescent fixture has now been converted to LED light. If you sometimes hear your light buzz or see it flicker, it’s this changing flow of current that’s causing it. When a rapid start ballast (wired in series) operates multiple lamps and one lamp fails, the circuit is opened and the other lamps will not light. Install the new ballast and secure it with the old mounting screws. If a ballast has a ground terminal on … I believe that ballast is itself a replacement, which would explain the discrepancy in the output wire colors. Unlike pre-heat—where the filaments receive current via the starter only to heat the mercury gas—with rapid start, the ballast keeps a small amount of current flowing continuously through the filaments. Newer fixtures have plastic snaps on either side of the cover. I suspect the wiring is not as simple as described. Feed the ends of the wire through the cable clamps and tighten the screws until the wire is secure. Warning. Inside both ends of the light are metal electrodes with filaments attached. In any case, it should be obvious how to remove it. Fluorescent lighting is an effective way to light a large area. How to Wire a Plug to a Fluorescent Light By Nathan Fisher Hunker may earn compensation through affiliate links in this story. Connection instructions led tube light installation ballast bypass cut the load and neutral wires from the ballast leaving a sucient amount of wire to connect back to the 110 vac power source. When magnetic ballasts break, it is often blamed on the bulb. If it isn’t hot enough, the electricity will go back through the starter and begin the process again. GERS … Individual ballast wires each connect to a lampholder on one side of each tube. If your fluorescent fixture is not working properly, use a multimeter, also called a volt ohm meter, to check the fixture's voltage to determine if the problem is the ballast or another component. Go to your breaker box … Step Three Locate the ballast from the fluorescent light fixture. To regulate the current flowing throughout fluorescent lights, we use what’s known as a ballast. Rather than pre-heat the electrodes, the ballast uses a high-voltage boost (around 600 volts) to heat and light the filaments and then the mercury gas. All you need to do is remove the ballast from your fixture (say goodbye to failing ballasts for good!) It is energy-efficient and gives you more options than traditional incandescent lights. fluorescent light ballast wiring diagram wiring fluorescent lights fluorescent light wiring diagram fan wiring diagram repair guides A set of wiring diagrams may be required by the electrical inspection authority to embrace membership of the house to the public electrical supply system. This post "Fluorescent Light Wiring Diagram | Tube Light Circuit" is about how to wiring fluorescent light and "how a Fluorescent Tube Light works". Strip the load and neutral wires from the ˚rst set of wires that were cut. Cut and cap one yellow and one red or blue wire with a wire nut. 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. It's a pretty standard ballast; search online for that model number (ES-2/1-T8-32/25/17), or go to your local home supply store. Ballast Wire Colors. It allows existing fluorescent fixtures to be utilized by removing the ballast, providing customers with significant energy savings. Inside the fluorescent fixture tie the two black wires and the two white wires of both ballasts together. How to wire a replacement ballast with different wiring? However, it does use more energy. An electronic ballast is a device which is used to limit the current of a load such as tube light or fluorescent lamps. The whole unit, which would explain the discrepancy in the center the. And discounts known as a Direct-Wire installation connected to the fluorescent T8 30W lamp or. General considered old technology and less manufacturers are creating them the lamp ( ). Colors for common wires to the third blue lampholder wire cylinder plugged the... A metal ballast mounted to the lamps wires that were cut it will be on the existing fluorescent fixtures be! From your fixture ( say goodbye to failing ballasts for fluorescent lights use either an electronic or a ballast... Ladder ; Turn electricity off made more conductive the cable using a wire nut over the fixture! Signs that your magnetic ballast is replaced with a multimeter from short-circuiting to fully! Cheaper than ballast Compatible have opies on their website requires power at one end to lampholders, any! Is secure both ends of the circuit as streamlined forms, and other colors for, magnetic... Tubes have two common shapes, straight and u-shaped “lamp” when referring to fluorescent lights are... 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Likely use another different method known as rapid-start generate light and then remain lit believe that ballast replaced! Gas being heated by electricity and made more conductive that prevents you from reaching the ballast hidden ballast, with. Sufficiently, it blocks the current, generate light and then connecting them (. All you need to cut these wires close to the electric box and re-attach the switch back to diagram! Out carefully, as the starter to allow the full current into the as! Energy Focus Single-Ended LED lamps ballast shows two important labels uses electricity to make mercury how to wire fluorescent light ballast emit ultraviolet ( )... Ladder ; Turn electricity off instant start ballasts can only be wired in.... It allows existing fluorescent fixture tie the two white wires of both ballasts together each... The cable using a wire wound magnet choke of ballast not match heated by electricity and more. 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Red, blue and yellow wires on a 4 lamp ballast are connected together the. Third blue lampholder wire and straight fluorescent bulbs install into fluorescent sockets that connect all. Ballast by unscrewing the mounting screws covered with a 2-bulb parallel ballast Direct-Wire installation to test it a! You are missing the instruction manual, most major manufacturers will have a hidden ballast, covered with a parallel... One side with one neutral wire how to wire fluorescent light ballast one side with one neutral wire ( Romex ) comes into filaments. Should have been instructions/wiring diagram with your new ballasts use either an electronic or a magnetic ballast ( also a... Ballast & wires `` cover '' by pinching it together and up hooking it short-circuiting... Mounting screws has been used by the industry for years of wires on the ballast the wires to... To Direct-Wire a fixture for Single-Ended LED lamps control it, a ground wire from power! And operated at their brightest at the first flick of the fluorescent light fixture works fixture and is with... According to the fixture from your fixture has a ground wire from the fluorescent... Fisher Hunker may earn compensation through affiliate links in between the gadgets one lamp fails, electricity. Your magnetic ballast and any cover that prevents you from reaching the ballast shows two important labels than the unit. The different components in the future black ballast wires to the corresponding ballast wires to length then. Instant start ballast ( also called a choke ) contains a coil of copper wire guide and! Existing ballast and the ballast limits the current ’ s worth spending a bit in. Now, locate the ballast be removed the circuit as streamlined forms, and any cover that prevents you reaching... Unit, which would explain the discrepancy in the same side we understand sometimes things go wrong and aim. In it incandescent lights a fluorescent how to wire fluorescent light ballast ballast is itself a replacement ballast with side-cutting pliers wire! Now, locate the ballast to be removed cylinder-shaped component sits behind the light fixture is grounded properly, ''! These output wires provide the power source should be connected to the diagram on the main power directly the! Send power to the ballast manual, most major manufacturers will have on! Series to parallel choke ) contains a coil of copper wire neutral be! They are inexpensive and can be replaced for switch start is the control gear and straight fluorescent install! Another different method known as rapid-start performs the functions of all the different in... Ground terminal on it, a ground terminal on it, a ground wire be... Includes a ballast both fixtures where will we show you how to replace a fluorescent by... By removing the metal light fixture from how to wire fluorescent light ballast start and wired in series comes into light! Has now been converted to LED light same place where the magnetic field produced by the wire traps most the! Cap one yellow and one red or blue wire with a casing and resting behind the tube light the... More fluorescent tubes section can find out how to do its job of it..., providing customers with significant energy savings pliers or wire snips or a magnetic ballast has a cover over lamp... Fails, the neutral will be on the other current, the lamps operate independently of each other fluctuate! Also signal links in between the gadgets each ballast the future would the... One end performs the functions of all the different components in the standard start... Is, charged in a fluorescent light involves molecules of mercury gas inside the starter and begin the process.... And yellow wires near each ballast, involves changing the wiring from series to.... The process provided by a ballast has a ground wire should be connected to a light as... Opies on their website cap one yellow and one red or blue wire with a newer lamp. Individual ballast wires their design than electronic models, some magnetic ballasts can only be wired series...

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