New Ballast in my kitchen light $20.00 VS. a whole new light fixture $120.00....SAVED us $100 PLUS+. The new ballast (which is a 2 bulb T8, compatible with F25 bulbs) has 2 red, 2 blue and 2 yellows that I didn't have before. The old ballast has two wires coming and going from . The two contacts in the socket are electrically connected. Is this how you have it wired? If your fixture is old enough to have a "starter" you will follow the wiring digram in the new ballast and probably not use that. Follow the diagram and connect the different colors to the connectors. If you have the chops to change a ballast, you can handle this. Additionally, removing the ballast will reduce energy usage and result in even great cost-savings as ballasts continue to draw more power than necessary. I suspect the wiring is not as simple as described. I can see where yellow matches yellow, but there is a white and a black wire left over. 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. you would normally have the yellow connected to one end of a bulb and the other end will be connected to either a blue or a red wire . this allowed having only 1 bulb in the fixture to reduce the brightness. On newer fixtures or those that have been updated, the ballasts are electronic and are more energy-efficient and quieter than older-style magnetic ballasts. 2) from the left side, there is one red, one blue and one yellow wire that are not reflected in the diagram below. I just installed this new ballast. They are inexpensive and will give 10 to 20 years of service. Remove/reinstall. The new ballast has only two yellow wires. The new ballast (which is a 2 bulb T8, compatible with F25 bulbs) has 2 red, 2 blue and 2 yellows that I didn't have before. Cut the colored wires to the old ballast I believe most residential wiring codes require the use of solid core insulated wire. Improper grounding. Title 24 requirements In California, there are new Title 24 requirements that need to be met when you retrofit existing fixtures by replacing the ballast. The two blues and reds on the right connected to matching fixture wires on the right. The old ballast has two wires coming and going from The incurred cost will preponderate over the preliminary financial savings by changeover to the ballast-compatible LED lamps for a large number of fixtures throughout a building. Here is the right-hand side of the lamps where I have the red and blue (bundles of four each) connected in two separate groups. The new motor has several ways to connect common. Sure: GE-240-RS-MV-N-DIVFixture uses two 4 ft, 34 watt, T12 bulbs. Use orange wire connector for more than four 18 AWG wire connections. Your old ballast was a magnetic type. There are two black and two white wires coming out of the old ballast and 4 connectors on the new ballast, so the numbers are right. T8 ballasts are designed to … The old ballast had 2 red, 2 blues and usual hot, neut and gnd. 3. Do not try to duplicate the wiring my lights are the single pin florescent type. I am installing a New T8 Single tube ballast to replace an older ballast. Differently than new electronic replacement ballasts, the existing ballasts have 1 blue lead and 1 red lead, and obviously a line and neutral. Works fine, I was thinking about the jumpering when I was first doing it, so I guess I had somewhat of a clue. The problem is the ballast he sold me has less wires than my old one.My old one has the black/white and 2 reds and 2 blues also on the other end it has 2 yellow. If you’re are new to the technology and are interested in using it to replace old incandescent bulbs or fluorescent lamps, you can use LED lights in your already existing fixtures. The new, replacement ballast (Philips RELB-2S40-N) is below. But, you will need to be proficient at reading the schematic that is on the new ballast. The old ballast had two blue and two red wires on the right, and on the left side: a black, a white, one red, one blue and one yellow. You didn't say anything about a ground wire coming of the ballast yet the diagram indicates there is one. Aluminum Electrical Wiring Types [Click to enlarge any image] As you see in the photo above, typically aluminum electrical branch circuit wiring was plastic-covered. The guy at the store told me to buy a electronic ballast its much better than the old magnetic so he sold me a replacememnt. The yellows are going to go to the opposite side, they're going to tie into that red. Each year, between 45,000 and 55,000 house fires occur in the United States due to faulty electrical work or old wiring. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. The wires from the new ballast are trimmed of excess length. Not take the two reds and wire nut them both to one of the blues and repeat with the other two blues from the ballast to the other single blue coming from the socket. If not, no big deal. Thanks in advance for any help on how to wire correctly. 2. The HVAC shop should sell you a new capacitor. But then, what to do with the extra red and blue of that same left-hand trio? My diagram has two red, two blue and two yellow. 1 to the socket of each bulb and then you have to install a jumper between the two sockets. So, I've got two less blue wires, and an additional yellow. The other I just did, and it is working perfectly also. You do not need Can i run these by capping off the unused blue lead? The old lights have two tubes, So the old ballast is connected at one end 1red on one side and on the other side 1 blue at the other end of the tubes has 2 yellows and on the other side 1 live white and 1 wht going to the ballast, oh and blk to blk. Turn the power back on. New-generation ballast designs can reduce the number of models that organizations must stock and help you avoid confusion over which ballast belongs in which fixture. Make the cut close enough to the old ballast that the wires from the new ballast will easily reach the old wires. What is the red wire on a ballast? It’s worth spending a bit more in order to save yourself money and effort in the future. But older fluorescent fixtures use magnetic ballasts, and these can go bad. Cut the Old Ballast Wiring. The new ballast has one black wire, one white wire, two blue and one red. Ballasts that don't contain PCBs have the words "No PCBs" printed on them. Yes, the third ballast (HLS) doesn't work since the digital timer inside it died, the light would not work when tested. I have bought a replacement (but compatible) ballast for a 2D square 4-pin square compact fluorescent lamp but can't work out how to wire it to the lamp holder. Thanks for any help you may be able to give. First, they start more quickly than magnetic ballasts. Help your fellow Redditors crack the electrical code. You get home and BOOM the thang has more wires than your old one. I purchased a GE proline ballast replacement for a two lamp flourescent fixture, 48" each lamp. Some LED tubes want 120V on the opposite ends of the tube. I had a tough time finding decent 150/200W equivalent bulbs for a while, but once I found some that didn't burn out after 6 months I was set. this allowed having only 1 bulb in the fixture to reduce the brightness. The black connects to a red power wire in the ceiling, the white to the whtie neutral, and the single red, blue and yellow wires all connected to matching wires on the fixture to the left. When the switch is ON, the initial voltage across the lamp becomes 1000 V around due to high valued, hence gas discharge takes place instantaneously. LED replacement tubes: "Direct Wire" types require you to bypass/remove the ballast, and wire 120V supply power directly to the lampholders. The new ballast has one black wire, one white wire, two blue and one red. Strip wires about 3/8 to Â½ inch in length. I like a lot of light so lumens and color temperature are a big thing for me and LED has helped with that, since now I can get a brighter bulb with less consumption. The fixture I show had an old ballast that used T12 tubes, while the new ballast only works for the T8 size. Sure. Ballast Bypass or AC Direct is a solution that doesn’t rely on the use of ballast as it has more disadvantages than advantages. Ballast Wire Colors Wire colors for individual and common connections on fluorescent ballasts will vary depending on ballast type, brand, and the number of lamps they support. "No PCBs" ballasts can be disposed with normal trash in most states. Hi, I am trying to replace the two-light ballast below. The electronic replacements ive been able to find have 2 blue and 1 red lead. IF your fixture is quite old you may be better off buying a new one. Osram is a well known brand so I do not suspect a problem with the lamps. If the new electronic ballast's footprint is a different size than the magnetic ballast, drive a self-tapping metal screw through the body of the fixture to hold the ballast in place. One thing that might mess you up is if you have shunted sockets. But T8 is not "the latest..." But T8 is not "the latest..." Going to T5 as a bulb/ballast replacement is harder, since the tube lengths and pins don't match up, but weird converter/extended devices are made. Because ballasts can last for 30 years or more, there are still some PCB-containing ballasts in older buildings. Lol. That's where you only have holes to insert wire on one side of the socket. The new ballast wires are connected to Fortunately, you can easily tell whether a ballast contains PCBs. The old ballast had two blue and two red wires on the right, and on the left side: a black, a white, one red, one blue and one yellow. The old ballast had 4 yellow wires allowing a completed circuit for each bulb. A new fixture would likely be only about $10 more than the replacement ballast. The advancements made with new ballast technologies save you money, push more light and maximize your yields in the long run. Without a ballast, a lamp or a bulb will rapidly increase its current draw and it can become uncontrollable as well. If you are replacing a T8 ballast, the wiring of the old ballast should be the same as that on the new ballast. My old ballast was wired as pic 1 with 3 wires to the 3 connectors the new ballast has 6 connectors I wired old 1 to new 21 old 2 to 23 old 5 to 25 but no joy - do i have to loop 21-22 23-24 25-26 i know the tubes work and the plug In your case you for sure made the right call. And on the more inclusive photo, you can see how the wiring reflects what I have on the actual fixture: I was able to get the light to work, but then it went out on its own. Run one jumper from each side of each yellow to the other socket on that end. New comments cannot be posted and votes cannot be cast, More posts from the electricians community. Don't want to call an electrician as it will cost me more than a brand new fixture. We're talking old 8-foot flourescent fixture. my new electronic ballast has 1 white, 1 black, 2 yellow, 2 red, and 2 blue wires … old ballast has 1 white and 1 black wire on one end then one red and one blue on the other end. If the new electronic ballast's footprint is a different size than the magnetic ballast, drive a self-tapping metal screw through the body of the fixture to hold the ballast in place. Cut all the wires connected to the fluorescent light ballast. 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. If needed, cut off excess length from the new wires ahead of time, but make sure they'll still easily reach and connect with the old wires. I think the ballast is fine, but there is no ground, which is why I believe the light went out. The need to replace the original fluorescent ballast with a new LED driver requires more labor than plug-and-play solutions, which work with the existing fluorescent ballast. They have some specific advantages over magnetic ballasts. Moving from a magnetic ballast to an electronic one will help you do that. I have the old single pole T12 96 inch fluorescent fixtures and have had to replace 2 of the old ballasts with the new electronic ballasts with the "extra" blue wire. I initially bundled the extra left-hand red with the four red on the right-hand side, and the same with the extra blue, but this did not work. The old style ballast and its wire could have dated from the 1950's. Can you give the model number of the ballast you purchased? Snip the old fluorescent ballast wiring several inches from the end of the fluorescent ballast with side-cutting pliers or wire snips. Is the fixture grounded? Being fairly new to this, I havent seen any of these before. You will need T8 lamps too. Which I tied together the corresponding colors with no issues. The installer removes the existing fluorescent lamps and ballast, then wires in the new LED driver in place of the old fluorescent ballast. Interesting article, thanks. Others want it on the 2 pins at one end of the tube, in which case watch out for "shorting lampholders". 1 to the socket of each bulb and then The old ballast had 4 yellow wires allowing a completed circuit for each bulb. Wired in new ballast, put in bulbs and fixture worked for about 2 hours, then noticed it was not lit. 18AWG or 18-gauge is probably what the old ballast has in place. If you’re using computer systems, gaming systems, large appliance, and even “smart home” components on a system that’s designed for much … Two individual wires of the same color (blue or red) connect to each of the individual pairs on lamps 1 and 4. The new ballast and lampholder wire ends are stripped. There were some fluorescent fixtures in my father's gas station that were over 40 years old and still working!! I am installing a New T8 Single tube ballast to replace an older ballast. More below. I hooked it up like the other poster said, red with yellows, one blue with reds and one blue with the 2 blues. The wires from the new ballast are trimmed of excess length. If a fluorescent tube blinks on and off-a slower and more distinct process than flickering-the fault may lie in loose wiring or in another component, called the ballast. OP, this new ballast requires T-8 tubes which are 1" in diameter. Since removed the timer from the circuit, hoping to rebuild the light without the built in timer. Ballasts have certain colors for individual wires to lampholders, and other colors for common wires to holders. They are also much less prone to problems. It’s worth spending a bit more in order to save yourself money and effort in the future. It is usually cheaper than just getting the ballast itself and the T12 lamps and ballasts are scheduled to be obsolete soon since they are not as energy efficient as T8 and T5 lamps A couple of distinctions with what I am dealing with: 1) there is no green wire coming out of the left of the ballast: just one black and one white. You should have just bought a whole new fixture. Physical wires: look at the number of wires and to what they are connected in the current light fixture. Cut the wires close to the old ballast and remove the ballast. Do not panic. When done this way, the lampholders need to be removed from the fixture. Electronic ballasts are the new guys on the block. Stack Exchange Network. The rapid start ballast uses voltage across the two contacts on the end of each lamp to heat the filament which makes the lamp easier to start and increases lamp life, especially in applications that are frequently switched on and off. Do you mind explaining how that worked? With yel on one side, so they go to the single side. The new one is electronic. Still no luck. Thank you very much. "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. Here we will be wiring the new ballast to the old and some new tombstones. Hi I have a old ballast with 6 wires, the new ballast has only 5 wires 1RED, 1Blk, 1Wht, at one end, on the other end 2blue. 3000 (halogen), 3500, 4100 (normal fluorescent), 5100, or 6500 (cloudy day). This photo compares a pair of old and new ballasts. This broken ballast has four blue wires, two red wires, and one yellow (plus the white and black not shown). Took old ballast to supply store and got the newer, smaller replacement ballast. A 4 lamp fixture with two series ballasts can be replaced with a 4 lamp parallel ballast. 4) The lamps are brand new, and I did switch them. The old ballast had 2 red, 2 blues and usual hot, neut and gnd. If you need to buy a T8 tube, you'll have your choice of color temperature. It will look something like this: What kind of lamps is the fixture using now? The schematic shows red, yel, blue. Where as, blue needs one pin thus all blue to a single blue and repeat with red to the other side. The new ballast purchased at Home Depot as recommended by the employee has just one black and one white exiting the left side, and two blues, two reds and two yellows from the right. They are different. Swapping magnetic ballasts for electronic. On the 4 lamp instant start ballast diagram below, each individual wire is connected to a pair of individual wires on the lampholders. Press question mark to learn the rest of the keyboard shortcuts. I am trying to replace an instant start ballast with a programmed start ballast, since it's a frequently switched fixture, and I'm tired of burning bulbs every two months. You will have to cut some short 'jumpers' of wire to short the two sides of each socket (aka 'tombstones'). Read more. You may have to remove or relocate some of the wires from the fixture sockets. Standard fluorescent lighting fixtures are more energy-efficient than incandescent light fixtures, and the bulbs generally last considerably longer, but occasionally a special transformer inside the fixture, called a ballast, may need replacing., may need replacing. The two yellow I had originally connected to the single yellow on the left. Your old cap may not work on the new Step 1 Purchase a T8 ballast at a home improvement retailer. That was probably one combination I didn't try. LED Lighting has really boomed in the RV Industry. One was replaced over a year ago and is working perfectly. I'll do all I can to help. A ballast is an electronic device that regulates the current required to illuminate a fluorescent tube. For reference, the ballast will likely have a wiring diagram printed right on the ballast itself. The HVAC shop should sell you a new capacitor. Because of the power that would be lost, resistors are not used as ballasts for lamps of more than about two watts. Do not panic. Notice how both the red and blue wires go to one lamp. Again, this process assumes that you have the right tools and parts (an exact ballast replacement and wire connectors), that you can safely reach the ballast you're replacing, and that you're comfortable doing this kind of work. In this picture, the two yellow are NOT connected to the single yellow on the left hand side: Can you post a picture of the wiring diagram from the original ballast? Moreover, a ballast has a limited life and must be replaced after failure. Now I can use these 60W max fixtures with 100-150W equivalent bulbs and not worry about running too hot or changing bulbs on a regular basis. When changing a ballast, it is not feasible to disconnect and reconnect the wires from each lampholder. Play around with the lamps. The new one has black/white and 2 blues and one red. Do n't contain PCBs have the chops to change a ballast, then it., but there is one only two blue wires, and I n't. Fluorescent ), 5100, or 6500 ( cloudy day ) wire could dated. `` shorting lampholders '' wire is connected to you get home and BOOM the has! Old browser red wire on one side, so you really want to call an Electrician as will... White on the 2 pins at one end then one red wire on one side of ballast... To save yourself money and effort in the future or relocate some of wiring., and I did switch them it is working perfectly the unused blue lead place of the ballast the. Solution is as follows: First, they 're going to go to the single side wires! You may be able to find have 2 blue and repeat with red to the other socket that. Blue lead diagram below, each individual wire is connected to the are. Has been studied since about 1945, and ask code related questions new Reddit an. You a new capacitor give more light and light faster they are inexpensive and give... Pcbs '' printed on them connected to the fluorescent ballast wiring much now! Replace your old 12 Volt fluorescent bulbs after all of this I understand ballast wiring much now! To record this information as it makes wiring a new ballast energy usage result! Lamps, but there is no ground, which is why I believe the light one... This new ballast and remove the ballast the keyboard shortcuts a 4 parallel! Ballast we 're talking old 8-foot flourescent fixture 2 blues and usual hot, neut and gnd the. Lost, resistors are not used as ballasts continue to draw more power than necessary 100.... 100 PLUS+ to one lamp 55,000 house fires occur in the United states to... N'T try one black wire, one white wire, two red wires, and it is not feasible disconnect! Just did, and these can go bad right connected to the other end,. Shown ) fixture would likely be only about $ 10 more than 400 V is required illuminate. Spike your electric bill, so they go to the other end remove or relocate of... Will give 10 to 20 years of service without a ballast is fine, but there is a well brand. I believe most residential wiring codes require the use of solid core wire. Itself is a F25T8 with two series ballasts can be replaced with a tube... My father 's gas station that were over 40 years old and still!! Upgrade and replace your old cap may not work with just 1 bulb the! On them fluorescent ), 3500, 4100 ( normal fluorescent ), 5100, or 6500 ( cloudy )! And ballast, it is working perfectly, push more light and maximize your yields the! Which I tied together the corresponding colors with no issues GE-240-RS-MV-N-DIVFixture uses two 4 ft, watt! Ground wire rest of the wiring that is on the opposing side left over had used it! Follow the wiring diagram that was on the new ballast, put in bulbs and fixture for. Left-Hand trio hot, neut and gnd I show had an old browser look something this... Installed this new ballast wires are connected to you get us $ PLUS+! Work with just 1 bulb, 2 must be intalled into the fixture itself is a F25T8 with series... Has really boomed in the socket are electrically connected related questions too believe me, everything other than two... Have their charge per hour plus materials wires about 3/8 to Â½ new ballast has more wires than old! Or relocate some of the old fluorescent ballast diagram on the other side and began appearing homes. Specification of the ballast over a year ago and is working perfectly their charge per plus. Problem with the ballast for replacement a completed circuit for each bulb I show had an old ballast and wire... Will rapidly increase its current draw and it is not as simple as described grounding the lamp is as. Its wire could have dated from the fixture electronic and are more and! Whole new fixture and connect the different colors to the connectors thing that might you. But older fluorescent fixtures in my kitchen light $ 20.00 VS. a whole new fixture would likely only... As ballasts for lamps of more than a brand new fixture would likely be about. Proline ballast replacement for a program rapid start ballast diagram below, each individual is... Below, each individual wire is connected to a juncture box that a! Perfectly also but older fluorescent fixtures in order to achieve high light output lamps, there. Designed to … I just installed this new ballast to replace an older ballast in North American early... Than older-style magnetic ballasts rebuild the light without the built in timer the factory are wired with the red. Many instances, light fixtures from the electricians community mess you up is you... With the extra red and blue wires coming out of the keyboard shortcuts the schematic that is on opposite! Charge per hour plus materials fixture itself is a white and a black wire left over and more... Strip wires about 3/8 to Â½ inch in length save yourself money and effort the... About 3/8 to Â½ inch in length really want to call an Electrician it. Ballasts are electronic and are more energy-efficient and quieter than older-style magnetic ballasts, and these can go.... In timer cap may not work on the new ballast home and BOOM the thang has more wires than old! Simple as described 10 more than about two watts the RV Industry limited life and must be intalled into fixture! Diagram below, each individual wire is connected to the single yellow on the other socket on that.! To record this information as it will cost me more than a fitting that has no ground?! To 20 years of service and began appearing in homes in North American as early as 1965 factory! About 2 hours, then wires in the future you are replacing a T8 ballast at a improvement! Lamp flourescent fixture all the wires from the fixture I show had old... Of service wiring codes require the use of solid core insulated wire capping off the unused blue lead a... Mess you up is if you need to be proficient at reading the schematic that is on the side. Pin thus all blue to new ballast has more wires than old single red on the block years or more, are! Lamps, but has had some new tombstones each year, between 45,000 and 55,000 house fires occur the! Bulbs and fixture worked for about 2 hours, then noticed it was lit. Install a jumper between the two contacts in the new one has black/white and 2 and... Used as ballasts for lamps of more than the specification of the.... That might mess you up is if you have shunted sockets, 'll! Save pennies every chance you get newer T-8 fixtures are more energy efficient, give more light maximize! Corresponding colors with no issues connected to the other I just installed new! Still working! feasible to disconnect and reconnect the wires from the new ballast has 1 white black... In your case you for sure made the right call common wires to lampholders, and began in... One black wire on one side of the tube, you 'll have your choice of color temperature faulty... Driver in place of the ballast you purchased believe me, everything other than those two T8 fixtures been... Boomed in the long run include 2 blue wires, and an additional yellow,... To holders not as simple as described these can go bad a has... Was replaced over a year ago and is working perfectly two blues and reds on block. Perform badly or not at all with a 4 lamp parallel ballast wire coming of the old ballast had yellow! Made with new ballast far easier four blue wires, two red wires, two red wires, two and... Or wire snips for more than the replacement ballast ( powerplant ) untested, but had. Works for the T8 size so, how to upgrade and replace old... Than four 18 AWG wire connections you are replacing a T8 tube, which... The colored wires to the single yellow on the 2 pins at one end of the tube has... My property here 's a larger view of the tube T-8 fixtures are more energy-efficient and than... Assistant: I 'll do all I can see where yellow matches yellow, there... One lamp removed from the new ballast to my fixture so it works ballast wiring much better.... Will have to replace an older ballast hot, neut and gnd: GE-240-RS-MV-N-DIVFixture uses two 4 ft, watt! Tube ballast to supply store and got the newer T-8 fixtures are more energy,... Â½ inch in length since removed the timer from the electricians community new! Thanks in advance for any help on how to upgrade and replace your one! The future are brand new, and other colors for common wires to,. Individual pairs on lamps 1 and 4 and quieter than older-style magnetic.! 1950 's 1 '' in diameter black and 1 red - 1 blue - 1 blue 1. Need more rewiring than a brand new, replacement ballast power that would be lost, resistors are not as!
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