A magnetic ballast uses coiled wire and creates magnetic fields to transform voltage. … An electronic ballast uses solid state components to transform voltage. It also changes the frequency of the power from 60 HZ to 20,000 HZ or higher depending on the ballast.
How do I identify a PCB ballast?
Ballasts manufactured between 1979 and 1998 that do not contain PCBs are labeled “No PCBs” If a ballast is not labeled “No PCBs”, it is best to assume it contains PCBs. If the ballast does contain PCBs, they are located inside the small capacitor or in the surrounding potting material.
How do I tell if I have a magnetic ballast?
- If you can see some strong dark strips flickering in your camera, it must be a magnetic ballast based light.
- Otherwise it should be an electronic ballast based light.
Can you mix magnetic and electronic ballasts?
There is no problem with replacing the magnetic ballasts with electronic ballasts, one at a time, light fixture by fixture, just keep track of the type of lamps that are specified on the label of the new electronic ballasts which will most likely be the T8 type lamps.Is my ballast T8 or T12?
Replace Current Lamp You will see either T8 or T12 stamped on one side near the end with the prongs. You also will see the lamp’s rated wattage, usually 32 watts for T8 and 40 watts for T12. Measure the diameter of the lamp. T12 lamps are larger than T8 lamps, with a 1 ½-inch diameter.
What does PCB look like?
Polychlorinated biphenyls (PCBs) are a group of manmade chemicals. They are oily liquids or solids, clear to yellow in color, with no smell or taste. PCBs are very stable mixtures that are resistant to extreme temperature and pressure.
Are digital ballast better than magnetic?
Magnetic ballasts are easily the cheaper option when first buying. However digital ballasts, although pricey to begin with, will run more efficiently, use less energy and in effect help to lower your electricity bills over time.
What is in a magnetic ballast?
A magnetic ballast (also called a choke) contains a coil of copper wire. The magnetic field produced by the wire traps most of the current so only the right amount gets through to the fluorescent light. That amount can fluctuate depending on the thickness and length of the copper wire.Do electronic ballasts have PCBs?
Electronic ballasts do not contain PCBs or any other hazardous materials. Magnetic ballasts, on the other hand, are outdated technology and commonly contain PCBs. Check the ballast’s manufacturing date. If you know the ballast was installed or manufactured before 1978, it most likely contains PCBs.
Can I replace magnetic ballast with electronic ballast?Newer electronic ballasts are far more energy-efficient, don’t require a starter and are not as affected by cold temperatures as the magnetic predecessors. If you have an older fixture, you can switch from a magnetic ballast to an electronic ballast in a few minutes with some basic hand tools.
Article first time published onWhat are the disadvantages of magnetic ballast?
Some disadvantages of the inductive ballast are: they are less efficient than capacitive ballasts, they cost more, they weigh more, and they take up more space. Magnetic ballasts are typically used in reactors using medium pressure (MP) lamps.
Does a magnetic ballast need a starter?
Unlike retrofitting a T8 LED Tube into a fitting that houses a magnetic ballast, there is no need for a starter. For an electronic ballast just simply change the tubes over and you’ll be good to go.
How do you test a digital ballast?
To measure it, set your digital multimeter to around a thousand ohms resistance setting. Connect the black leads to the white ground wire on your ballast. Afterward, test every other wire with the red lead. When you do this test, a good ballast will return an “open-loop” or max resistance.
Does an electronic ballast need a starter?
Electronic ballasts do not need starters so if you are upgrading your fitting from a magnetic to electronic ballast, remember to remove the starter and starter cage.
How do you read a ballast number?
Most fluorescent types are T5, T8, and T12. The T stands for tubular and the number provides the diameter in 1/8 of an inch. Lamp diameter is determined by ballast type. Therefore, a T12 ballast must use a T12 bulb.
How can you tell the difference between T8 and T12 bulbs?
On the most basic level, the T12 and the T8 bulbs have a different diameter tube thickness. The T12 is 1.5 inches in diameter and the T8 is 1 inch in diameter.
Will a T8 work in a T12 ballast?
T8 LED lamps which are not direct-wire compatible (with ballast) will require a T8 ballast to operate, so unless the T12 ballast in the T12 fixture is replaced with a T8 ballast, a non-direct-wire compatible T8 LED lamp will not work in a T12 fixture. …
Can you dim a magnetic ballast?
Dimming systems are currently available for both magnetic and electronic ballasts, but due to legislation that has effectively banned most magnetic ballasts bulbs.com strongly recommends using an electronic ballast-based system.
How long does a magnetic ballast last?
According to the Certified Ballast Manufacturers Association, the average magnetic ballast lasts about 75,000 hours, or 12 to 15 years with normal use.
What is a magnetic ballast used for?
Like all ballasts, a magnetic ballast regulates the voltage a fluorescent light receives so that the bulb doesn’t overheat and immediately explode. A magnetic ballast is a type of electrical power regulator used in fluorescent light systems.
How do you identify PCB components?
- Start by identifying the printed circuit board, or PCB. …
- Identify other “nuts and bolts” electronic circuit components. …
- Locate the circuit board’s battery, fuses, diodes and transistors. …
- Locate the processor, or processors.
What are some examples of PCBs?
- Transformers and capacitors.
- Electrical equipment including voltage regulators, switches, re-closers, bushings, and electromagnets.
- Oil used in motors and hydraulic systems.
- Old electrical devices or appliances containing PCB capacitors.
- Fluorescent light ballasts.
- Cable insulation.
How do you identify a circuit board?
1 Look for the part number identifying the built up circuit board. In many cases, there will be two numbers printed on a board. One identifies the circuit board with an individual part number. The other part number will be for the board complete with all its components.
When did ballasts stop making PCB?
EPA recommends that school administrators and building owners consider removing and replacing HID ballasts that contain PCBs. In 1976, Congress banned PCB manufacturing in the United States due to their toxic effects. In July 1979, EPA phased out the processing and use of PCBs, except in totally enclosed equipment.
How do I remove a PCB ballast?
You may be able to dispose of a few intact ballasts containing PCBs the same as ordinary trash or at a household hazardous waste collection event or drop-off location sponsored by your county, city, or waste disposal district or company.
Do fluorescent lights have PCBs?
Polychlorinated biphenyls (PCBs) were commonly used in the small capacitor within fluorescent light ballasts. Ballasts manufactured through 1979 may contain PCBs. PCB-containing FLBs that are currently in use have exceeded their designed life span. …
How do you test an electronic ballast with an analog multimeter?
Set the multimeter to the ohm setting. Choose “X1K” if there are multiple ohm settings on your multimeter. Insert one probe of the multimeter in to the wire connector holding the white wires together. Touch the remaining probe to the ends of the blue, red and yellow wires leading from the ballast.
Which ballast has the highest power factor magnetic or electronic?
Magnetic ballasts typically have low ballast power factors (below 1.0), while many of today’s electronic fluorescent ballasts have a higher power factor, efficiently using energy to light their lamps.
What happens if you use wrong ballast?
If you use a wrong sized ballast the LRC will not be tuned so you are likely to not start the lamp at all. There is the possibility of burning out components pre-maturely also due to overcurrent and overvoltage conditions particularly if using a larger ballast on a smaller fixture.
Why are magnetic ballast being replaced?
Magnetic Ballast. Magnetic Ballasts or Electromagnetic (EM ballasts) fluorescent ballasts are rapidly being replaced by electronic ballasts for improved energy efficiency and function. New DOE requirements and long-term cost savings are driving the change.
What are 2 possible advantages of the electronic ballast over the magnetic ballast with regard to the comfort of the occupants in the room in which the ballasts are installed?
Some of the other benefits of electronic ballasts, compared to magnetic ballasts, include: Reduced heat. The need for fewer ballasts. Instant start, and programmed start options.
