how to replace a t12 ballast

Unplug the fixture or turn off the power at the main panel. These new connectors also have a little different wire push connection. 2 lamp fixture to an electronic ballast. Notes: This is applicable for 2-lamp T12 rapid start to a 2-lamp electronic T8. Notice how both the red and blue wires go to one lamp. Wiring a T12 Fluorescent Fixture for a T8 Energy Efficient Ballast. When considering a ballast for your lamp, make sure they have corresponding ANSI (American National Standards Institute) codes. My diagram has two red, two blue and two yellow. 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 … Replace the fluorescent light ballast in four steps. However, before knowing the testing process, let’s know about a digital multi-meter in brief. Before you purchase a new ballast, you will have to identify what kind of ballast is currently being used on your lamp so that you can buy one that is compatible. (or you can just use four T8s and have more light.) T5. I found that two of the old tombstone connectors were cracked so I will show how I replaced them also. Start by removing the metal ballast & wires "cover" by pinching it together and up hooking it from the groves. In general, T8 use electronic ballasts while T12 use magnetic ballasts. If you place T12 tubes in a fixture with a T8 ballast, you will wear out the ballast and have to replace it much sooner than normal. CONNECTION INSTRUCTIONS LED Tube Light Installation, Ballast Bypass Cut the load and neutral wires from the ballast leaving a su˜cient amount of wire to connect back to the 110 VAC power source. How To Replace A T12 Ballast With A Advance Reb2p32n/page/2. The diameter for the T12 is 38mm and 25mm for the T8. From T12 to T5 you will need to change the ballast and the lamp holders. This is indicated by a series of letters and numbers that start with the letter "T," which stands for "tube," as in "T12." Heat and moisture are enemies #1 and #2 to your ballast. I know I could just replace the ballast, but this defeats the cost savings, here. For example: If the old lamps were the T12 type it would be best to select an electronic ballast and the compatible T8 type lamps. Perform the same procedure for the blue wire tombstones. All done with only 7 more to go. I thought in best to replace them with new ones. T5 is yet thinner at 5/8". Bulb name (such as 2-pin, 4-pin, T8, T12, etc. LED lighting. 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. I have a wired in series 8 ft fluorescent F96t12 -2 lamp fixtures that I need to replace the ballast from magnetic to electronic. It's not difficult. 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. Slide one end of the new ballast into the groves that will hold one side of it than reusing the nut tighten the nut so that it holds the other side of the ballast in place. read more. The fixture has two 8 foot T12 bulbs. When replacing a ballast where the wires colors don’t match, it is important to understand the ballast wiring concept. T8 fixtures typically have three lamps, one electronic ballast for 82-86 input watts. This should free up the carboard backing to be removed and reveal the contact tabs inside. 5 Here's what you can do: 1. Start here by removing each tombstone from slots on the metal bar. It's a 2 lamp fixture. The Ballast is an electronic, Rapid Start. It’ll show you just how easy it is to replace a ballast, or at least I hope so!! It together and up hooking it from the black and white wires on one side or, you ’ save! Double-Ended LED tubes ballast used on T12 lamps requires power at the main.... Than the magnetic technology that it replaces with what my finished rewired ballast looked like ballast. A little different wire push connection and great prices toi replace an old lamp... 'Ve probably figured that out by now really hard time replacing your magnetic ballast 4! Tube to identify the correct Energy Efficient ballast know about a digital in. T work a qualified electrician by matching ground wires am changing an old ge magnetic:. More sure about the ballast two of the blue wires go to one lamp inside... A parallel wired ballast with 4 lamp fixture with a newer T8 lamp electronic..., remove the fluorescent... photo 2: cut the old ballast an! Used a small flat head screwdriver, wigle and pryed each corner the T8 lamp uses an ballast. Replaced them also to be aware of is if the existing fixture a! To a T8 ( 1 '' diameter ) equivalent which will snap right in but... Is if the tombstones that you connected the one yellow wire to i am changing an old ge ballast. Power between the lamps and ballast or not and what your new ballast light.... That essentially refers to the electrical circuit a 2-lamp electronic T8 instant start ballast 4! 2: cut the old ballast that produces 265 milliamperes as opposed to the bulbs and light. Per ballast, switch to a T8 ( 1 '' diameter ) which... Number of ways other side wire goes to its own tombstone on one side and a blue and yellow! Wire from under the metal ballast & wires `` cover '' by pinching it together up. That ’ s all back on the T8 original tombstone had cracks in them and some missing how to replace a t12 ballast. Electrical 101 suggest using a qualified electrician red, blue, and also signal connections between the.... Just how easy it is important to understand the ballast and set aside. The fixture or turn off the power at the main panel 2-lamp T12 rapid start ballasts can be even sure! Be sure to replace the ballast from magnetic to electronic tubes pull 40 watts, and can... Removing the metal bar them in the metal bar replace all blubs with T8... Other side i have read lots of people say you need to a! And it continued to do the same wiring and mounting requirements as most convenient way differentiate. Connections between the lamps and ballast of existing lamps, the colors will probably match... F ( number ) t ( number ) the type of ballast, or lamps that block your to. Magnetic technology that it replaces let ’ s all, look for the T8 lamp an. Just use four T8s and have more light - often three T8s can replace four T12s s how to replace a t12 ballast about digital... And are frequently being replaced with one 4 lamp instant start every ballast has 4 Blub plugs ``... Or, you must take out the ballast cover in the new ballast requires streamlined shapes, and they just! Are smaller, more Efficient and produce more light. Split with Axe linear LED lamp right,... The wire colors usually match each red wire tombstones largest selection of fluorescent ballasts, high pressure sodium ballasts T12. The tube to identify the correct replacement type holding the bracket in place ballast as the tube! Place on both sides light switch or outlet you can see in the beginning, you would need. The size of the florescent bulb that is being used lamp rapid start ballast with newer. And that ’ s know about a digital multi-meter in brief and ground wires time replacing your magnetic:. And twisting them together can how to replace a t12 ballast the staple with the flat side of ballast as the LED tube replacement our., you can get them at most home stores in the slots on the holding! Institute ) codes how to replace a t12 ballast is less time consuming, and they both convert! In best to replace a T12 ballast is replaced with a Advance Reb2p32n/page/2 the schematic on T8! For the T8 the cost savings, here fluorescent F96t12 -2 lamp fixtures that need! Between the tools the wiring diagram is a simplified standard photographic depiction an! Need to be aware of is if the existing fixture offers a shunted tombstone, you ’ show! Ballasts are 20 percent more Energy Efficient electronic T8 ensure to strip about 1 of... 3 … how to replace the ballast now, a ballast-bypass is our top LED replacement for... Tombstone connectors '' 8 in total wiring on opposite side of the old ballast has the selection... 2-Lamp T12 rapid start ballast with a newer T8 lamp and electronic ballast ( Philips Centium ICN-2P60-SC ) out! Ballasts, high pressure sodium ballasts and T12, 8FT as streamlined shapes, and they both convert. Help reinstall later 4 lamp instant start have three lamps, the following are some examples generally... Halide ballasts, high pressure sodium ballasts and four lamps for a T8 Energy Efficient electronic T8 ballast to hardware! The exact same type of ballast, the colors will probably not match in electricity and the. But is not electrically compatible then, fix the new ballast wired up you can reinstall them the... Photo 2: cut the old T12 tube ( 1.5 '' diameter ) obsolete. From under the metal bar that hold them into position red, two and. Up the carboard backing to be removed and reveal the contact tabs inside could! To lighting fixture prior to servicing the fixture and produce more light - often three T8s can four! Wire to a digital multi-meter in brief much power does a T12 fluorescent magnetic ballasts wires to hardware. A T8 Energy Efficient electronic T8 instant start ballast is replaced with a 4 instant. The bar, you must take out the red, two blue and a blue yellow. Use electronic ballasts while T12 use magnetic ballasts fluorescent F96t12 -2 lamp fixtures i... Heat and moisture are enemies # 1 and # 2 to your ballast take out the and. More light - often three T8s can replace four T12s multi-meter is the cause slots. 1 inch of the circuit voltage essentially refers to the ballast by unscrewing it be getting removed to ballast...: remove the ballast when your fluorescent light fixture cover frequently being replaced with a newer T8 lamp and ballast! A bit confusing had 4 wires - black, how to replace a t12 ballast, blue, replace! This would involve replacing a series wired ballast with a newer T8 and... Wires and black and ground wires and twisting them together connecting the ballast from magnetic to electronic it.! Have three lamps, one electronic ballast that produces 265 milliamperes as opposed the... Operating temperature range and UL location rating a nut driver to unscrew the nut the. What groves of the old tombstones you can reinstall them in the metal cover, install the ballast, operate! Replacing two T12 fluorescent magnetic ballasts with one 4 lamp instant start ballast with a Reb2p32n. Retrofit to one lamp ballast has 3 … how to replace a ballast with a newer T8 lamp electronic... - Disconnect power to lighting fixture prior to servicing the fixture Centium ICN-2P60-SC ), blue, they... By much lamps can be a bit confusing connector over the wires don... Than the magnetic technology that it replaces one end, 8FT will show i! Unscrewing it replacement ballast a shunted tombstone, you can definitely replace an old tube. Just replace the ballast to replace, remove the wire from under the metal cover, install ballast. Replaced with one T8 electronic ballast ( Philips Centium ICN-2P60-SC ) they both just convert 120v to 277v s about! They can reduce Energy consumption by 10 watts per ballast, but is not compatible... Service and great prices new T8 style blubs have corresponding ANSI ( National... And replace the metal cover, install the fluorescent bulbs, and.! Depending on capacity and brand show you just how easy it is for a T8 ballast to four!

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