Install a direct wire or ballast-bypass linear LED lamp Right now, a ballast-bypass is our top LED replacement option for T12 fluorescent tubes. Shunted Versus Non-Shunted Tombstone (Socket) But before you begin replacing the bulb you are going to need to look over your budget and find out what is … Bulb name (such as 2-pin, 4-pin, T8, T12, etc. T8's are smaller, more efficient and produce more light - often three T8s can replace four T12s. Remove the ballast from the A typical ballast will generally last about 20 years, but cold environments and bad bulbs can decrease this lifespan significantly. You're going to have a really hard time replacing your magnetic ballast with a new magnetic ballast. This should free up the carboard backing to be removed and reveal the contact tabs inside. 4-Lamp Rapid Start Wiring. Very Important be sure to replace all blubs with new T8 style blubs. Locate your ballast. T12 magnetic ballast distribution has been limited since 2005 and will be outlawed in 2010. The T5 uses a 5mm pin spacing as compared to the 13mm spacing on the T8 and T12 lamps. Railroad Rail Lantern / Sign Stand Split With Axe. Matching ANSI codes guarantees that the ballast you chose can be used with your lamp. This would involve replacing a.iBallast has the largest selection of fluorescent ballasts, metal halide ballasts, high pressure sodium ballasts and dimming ballast. As I said in the beginning, you’ll save yourself $75 to $90 doing this fix yourself. The higher frequencies produced by an electronic ballast create 10 to 12 percent more light output than the magnetic ballast operating a T12 … It shows the elements of the circuit as simplified forms, and also the power and also signal connections in between the tools. The fixture has two 8 foot T12 bulbs. T12 Ballast Wiring Diagram. I found that two of the old tombstone connectors were cracked so I will show how I replaced them also. When you do end up having to replace a T12 fluorescent tube it is probably due to it having a burnt out lamp or ballast. Then, use a nut driver to unscrew the nut holding the ballast in place and install the replacement ballast. 1. on Introduction, How to wire the T12 ballast to the older 8 ft 2/ single pin bulb fixture, About: I have been a full time bicycle mechanic for the past 15 years. T12 vs T8. If not bare, strip the ends of the wires on the new ballast. Notes: This is applicable for 4-lamp T12 rapid start fixture with two 2-Lamp ballasts to retrofit to one 4-lamp electronic T8 instant start . Here we will be wiring the new ballast to the old and some new tombstones. 4 on each side connected to a metal bar that hold them into position. I want to replace a Magnetic Ballast MB2x40/120 RS with a QTP 2x32T8/UNV ISN-SC. Remove any covers, case, lenses, or lamps that block your access to the ballast and set them aside. On your lamp, look for the identification code. If an old T12 lamp magnetic ballast is replaced with a newer T8 lamp and electronic ballast, the colors will probably not match. Opening the fixture and examining the ballast will give you the ultimate answer as to what type of ballast you have; but, in general, the older the fixture, the more likely it is to have a magnetic ballast. T8's are smaller, more efficient and produce more light - often three T8s can replace four T12s. If a ballast is replaced with the exact same type of ballast, the wire colors usually match. Nonetheless, if the existing fixture offers a shunted tombstone, you should replace it with a non-shunted variant. Single-ended tubes can present various safety hazards. How To Replace the Ballast of your Fluorescent Light Fixture,Replace a T8 fluorescent light fixture ballast. this will all be getting removed to the next step. Unless there is something special about your fixtures, you can often get new fixtures for the same price as the ballast or conversion kits. We only recommend a ballast-bypass using double-ended LED tubes. (or you can just use four T8s and have more light.) Ensure to strip about 1 inch of the wires. Here is where snaping a pic will help reinstall later. These new connectors also have a little different wire push connection. We only recommend a ballast-bypass using double-ended LED tubes. Place each side of the metal bar holding the tombstones into its slots and be sure to pry the tab on the other side that holds it in place. Unplug the fixture or turn off the power at the main panel. Replace 3 Lamp Instant Start Ballast with 4 Lamp Instant Start. 2 Philips Advance Ballast Quick Guide 3 Introduction 4 T8 ballasts 6 T5 ballasts 7 CFL ballasts 8 Magnetic T12 conversion to electronic 9 T12 ballasts 10 Dimming ballasts 11 Circline and signage ballasts 12 HID ballast kits specifications, wiring diagrams, and more. They can reduce energy consumption by 10 watts per ballast, on average. When replacing a ballast where the wires colors don’t match, it is important to understand the ballast wiring concept. When posing the question can a t8 light work on a t12 ballast… In many T8 fixtures, the ballast is covered by a casing and the T8 tubes are on top of it, meaning you need to take out the tubes and unscrew the casing to get to the ballast. Now that you have all the guts removed from the old fixture we can start to work on removing the old wire ends and resetting the old tombstones to be re-used with the new T8 electronic ballast. [3] Not only are they brighter per watt, they also last longer than even the preferred florescent bulbs. You can see what the jumper wires look like along with what my finished rewired ballast looked like. you need to change the wire configuration, by following the schematic on the. To remove any old wire ends still in the tombstone simply poke a ale or small phillps screwdriver in next to the wire and the wire should drop out the front. This may require alittle reshaping the staple. The old ballast has the black and white wires on one side and a blue and a red wire on the other side. T5 is yet thinner at 5/8". On the surface, performing a ballast bypass seems simple: Remove the ballast and wave it goodbye. You should see the remainder of the red, blue, yellow and maybe even a black linking wire running in and out of the connectors. 2-Lamp Electronic Instant Start. If an old T12 lamp magnetic ballast is replaced with a newer T8 lamp and electronic ballast, the colors will probably not match. 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. Heat and moisture are enemies #1 and #2 to your ballast. The type of existing lamps, the following are some examples. T8s can be retrofitted into T12 fixtures. The ballast has 4 blue wires two red and two yellow and then the white and black and ground wires. Cut back additional wiring on opposite side of ballast as the LED Tube lamp only requires power at one end. A wiring diagram is a simplified conventional pictorial depiction of an electrical circuit. 1 year ago I need toi replace an R-2E75-S-3-TP ballast, which I think has been discontinued. But read carefully, because there are safety concerns. Wiring a T12 Fluorescent Fixture for a T8 Energy Efficient Ballast. I thought in best to replace them with new ones. If an old T12 lamp magnetic ballast is replaced with a newer T8 lamp and electronic ballast, the colors will probably not match. Opening the fixture and examining the ballast will give you the ultimate answer as to what type of ballast you have; but, in general, the older the fixture, the more likely it is to have a magnetic ballast. 5 Most T12 sizes have a T8 (1" diameter) equivalent which will snap right in, but is not electrically compatible. In this example, a fixture with a 3 lamp instant start ballast is replaced with a 4 lamp instant start ballast. The following must be identified to select the correct Energy Efficient Electronic T8 Ballast to replace a T12 Magnetic Ballast: The circuit voltage. How To Replace A T12 Ballast With A Advance Reb2p32n/page/2. Learn How to Replace a Fluorescent Light Ballast. Another way to differentiate the tubes is by knowing the diameter for each. It's not difficult. It should be marked F(number)T(number). A few light taps on the staple with the flat side of some pliers is all it should take to reinstall it. Step 2 – Buy Ballast. You need to use a T8 ballast. Install the ballast cover in the reverse of how you removed it. Than lay the carboard backing back on the tombstone and reinstall the staple holding it in place. If an old T12 lamp magnetic ballast is replaced with a newer T8 lamp and electronic ballast, the colors will probably not match. Converting a Fixture from a T12 Ballast to a T8 Ballast. GE MVP T12 ballasts have the same wiring and mounting requirements as. As you can see in the diagram one of each red wire goes to its own tombstone on one side. 2. Start here by removing each tombstone from slots on the metal bar. Jan 10, I've wired hundreds of ballasts before but haven't had to change Change http:// wiringall.com I've done 's of them. A. Photo 1: Remove the bulbs and fluorescent light fixture cover. The yellow wires are, for lack of a better description, are "shared" so pin 1 of lamp 1 and pin 1 of lamp 2 go one yellow wire. 6.Reconnect The Wires Now, strip out the colored insulation covering of the remaining wires. Notice how both the red and blue wires go to one lamp. The following must be identified to select the correct Energy Efficient Electronic T8 Ballast to replace a T12 Magnetic Ballast: The circuit voltage. Careful! T8 fixtures typically have three lamps, one electronic ballast for 82-86 input watts. keep in mind that the two red wire tombstones must connect to the tombstones that you connected the one yellow wire to. Retrofit Wiring Diagrams. Remove the ballast from the. Put a wire connector over the wires and use the electrical tape to secure it. Hardware store had 2-packs of T8 LED tubes (not explicitly compatible with T12) for $3.75, so I wonder about the electrical stress on these T8s in a T12 fixture. Try not to ruin or mangle the staple you will be reusing it. The old ballast only had 4 wires - black, white, blue, and red. Retrofit Wiring Diagrams Notes: This is applicable for 4-lamp T12 rapid start fixture with two 2-Lamp ballasts to retrofit to one 4-lamp electronic T8 instant start system. In general, T8 use electronic ballasts while T12 use magnetic ballasts. How To Replace A T12 Ballast With A Advance Reb2p32n. Place each side of the metal bar holding the tombstones into its slots and be sure to pry the tab on the other side that holds it in place. However, before knowing the testing process, let’s know about a digital multi-meter in brief. I am changing an old GE magnetic ballast in a T12, 8FT. I am replacing an older style T12 ballast with an new electronic ballast (Philips Centium ICN-2P60-SC). How To Video: Change Fluorescent T8 or T12 Tubes to LED Tube Lights Posted by Sales Team on Oct 31, 2016 In this video created by our customer Jeff T, he will explain how to rewire your fixture to accept LED ballast bypass tube lights. In this step we will be completely disassembling all of this light fixture down to leaving just the outer shell. - Disconnect power to lighting fixture prior to servicing the fixture. I also do some graphic and web design. When your fluorescent light flickers or makes a loud and annoying hum, a degrading ballast is the cause. Connect the wires by matching ground wires and black wires and twisting them together. T12 fixtures often had two magnetic ballasts and four lamps for a total consumption as high as 160 input watts. The T8 lamp uses an electronic ballast that produces 265 milliamperes as opposed to the 430 milliamperes magnetic ballast used on T12 lamps. When your fluorescent light flickers or makes a loud and annoying hum, a degrading ballast is the cause. The type of existing lamps, the following are some examples. This would involve replacing a series wired ballast with a parallel wired ballast. Switch to an electronic ballast, switch to a T8 fluorescent. Please Note: The new tombstones are taller than the old ones I'm replacing so I resolved this by installing them at opposite ends of the same bulb. Pay close attention to the wiring diagram on the ballast as the new electronic T8 ballast are wired quite differently from the old magnetic T Retrofit Wiring Diagrams. what you need to be aware of is if the tombstones are shunted or not and what your new ballast requires. The bite is that an electrician trip charge (which includes 30 or 60 minutes work) is going to be $75-150 probably - for about 5 minutes work on each light fixture. Wiring this can be done a number of ways. All done with only 7 more to go. Notes: This is applicable for 2-lamp T12 rapid start to a 2-lamp electronic T8. Going from T12 to T8, just replace the ballast. Causes of Ballast Failure. I have read lots of people say you need to replace the ballast. 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. The type of existing lamps, the following are some examples. The typical T12 four-lamp fixture uses 172 watts of power between the lamps and ballast. T12 to LED replacement options A. A t12 ballast is a reference that essentially refers to the size of the tube of the florescent bulb that is being used. Premature ballast failure is often caused by the surrounding environment. If your fixture uses circular fluorescent bulbs, a plug connects the bulbs to the ballast. Remove side metal bar by prying the slotted tab holding the bracket in place on both sides. In some cases, changing to T5s requires replacing or rewiring the whole light fixture, adding significant cost and complexity in the interest of improved efficiency. 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On the tube to identify the correct Energy Efficient electronic T8 ballast UL location rating or makes a and... Most convenient way to differentiate the tubes is by knowing the testing,. Ballast has an ambient operating temperature range and UL location rating fixture uses circular fluorescent,! Wave it goodbye to a T8 Energy Efficient electronic T8 ballast and it continued to the! If you can read the printing on the T8 and T12 lamps fixtures had. New magnetic ballast is replaced with a 3 lamp instant start ballast is a reference that essentially to! Be completely disassembling all of this light fixture down to leaving just the outer shell ballast the. Toi replace an R-2E75-S-3-TP ballast, replace a T12 ballast with instant electrical 101 typical T12 four-lamp fixture uses fluorescent. You connected the one yellow wire to more sure about the ballast by unscrewing it ( Philips ICN-2P60-SC. Consuming, and they both just convert 120v to 277v am replacing an older style T12 ballast is replacement! This fix yourself identify the correct Energy Efficient electronic T8 ballast look along! Had 4 wires - black, white, blue and yellow wires near each.! Change out a light switch or outlet you can be done a number ways... Diagram that came with your lamp, make sure they have corresponding ANSI ( American National Standards Institute codes.