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Certified by UL (E469697) in 2024.
KEEP ORIGINAL TOMBSTONES
This tube installs directly into your fixture’s original shunted sockets (tombstones). You will not need to retrofit your fixture with non-shunted sockets. Single-ended installation will require installation with non-shunted sockets/ tombstones. Fast, simple and secure installation.
BALLAST BYPASS INSTALLATION
Bypassing the ballast will save you both time and money, as ballasts inevitably fail over time and will require replacement. When using the ballast bypass method, we recommend these lights are installed by a qualified electrician.
eplur
Reviewed in the United States on June 1, 2024
I had 16 fluorescent T12, or may be T8. Who cares, this works for both. They were 4 feet long. Those 16 bulbs had 8 ballast. I have changed those bulbs so many times. They are insanely unpredictable. Sometime, I would turn them on and they would only light after freaking 2 days. I was tired of it. So I looks for alternatives, and this is that alternative that will last way longer, and cheaper than those old T12I YouTubed on how to bypass the ballast and connect these directly. Connections were a breeze, thanks to YouTube. It took me longer to take the old damn bulbs out than to by pass and remove the ballast.I absolutely recommend this, and if you have the old crap, save yourself from flickering bulbs and convert to LED.
Dan F
Reviewed in the United States on March 8, 2023
Originally, I was planning on buying 40 (2 packs of 20) of these bulbs but I don’t think I’ll need to - these bulbs are bright!For reference:I have 12 2’x4’ drop ceiling light fixtures, capacity of 4 bulbs each, in a 20’x30’ garage with 12’ ceilings (finished drop ceiling height).The fixtures were manufactured in 1982 and 10 of the 12 had magnetic ballasts with T12 bulbs - typically, at least 1 bulb would burn out each month and then the ballasts started failing more recently, one after the other.Upgrade time!I removed the ballasts and re-wired 10 of my fixtures, then installed 2 of these LED bulbs in each. In the other two fixtures, there are 7 working (and 1 dead) T8 fluorescent bulbs with electronic ballasts.Until the T8 bulbs/ballasts all wear out, those combined with these 20 LED bulbs provide more than enough light for woodworking and other projects.The best part, aside from the cost savings, is that I no longer have to listen to the incessant buzzing and flickering from those old magnetic ballasts. Also, ‘cold starts’ during the winter months are a thing of the past; no noise, no dim start up, energy efficient, and they even look cool.The only thing I wasn’t absolutely thrilled with (but also not surprised by) is the color temperature equivalency with fluorescent bulbs. I bought these LED bulbs in 4000K to try and match the 7 existing 4100K T8 fluorescents; no surprise, they aren’t a perfect match. The LEDs are definitely a cooler white than the fluorescents but not by too much. There are no hints of blue light and overall, I do like these LEDs’ 4000K color for a workspace but would definitely go for 3000K in any indoor living space application. Again, this is by no means a negative, just some valuable information for those of you who care as much as I do about light color temperature.
Ray
Reviewed in the United States on April 3, 2022
I purchased this because the similar Hyperikon brand product worked well - about half the power consumption and twice as bright. Unfortunately the Hyperikon units were no longer available on Amazon, so I bought a box of 20 of these Paramida LED tubes. The Parmida units are approximately as bright to the eye and the same 5,000K color. The specs are about 5% less bright for the Parmida units, and they correspondingly have 95 LED's instead of the 100 on the Hyperikon. The LED size and spacing is similar, but the Parimida tubes have a larger 1-15/16 inch end cap at either end, partially obscuring the end LED's, as compare to the Hyperikon units where the LED's start only 1" from each end, and the end plastic is nicely sculpted so that it doesn't interfere with the light much at either end. The HYperikon units also had a slightly wider reflector tape on the LED strip. The Parimida bulbs were easier to install, as they can be configured nearly any way (single end, double end, double-double end). As can be seen in the photos, the acceptable wiring methods are drawn on each tube end cap for those who don't read or lose the paper instructions. One of the 20 tubes, packaged in one of the corner spots, arrived broken. I don't know if I'll be able to patch the plastic tube up structurally enough with clear tape, but I'll give it a try. Returning is easy with Amazon, but more trouble than its worth and I wanted to install some bulbs today. Overall, a good product and a huge upgrade from the less efficient flickering 40W fluorescents! Hoping they will last like the Hyperikons have so far for ~2 years.
qvorlon
Reviewed in the United States on July 30, 2020
These parmida four foot LED light tubes are awesome! I loved my first case of frosted bulbs so much that this is my second case. I went with clear tubes this time so that I could mix them up according to the application. I didn't realize how many fluorescent tubes I had until I started to replace them. Keep in mind these bulbs are in clear tubes! Not frosted! I have purchased both types and it is my experience that the 4000K frosted bulbs should be installed into open fixtures such as shop lights. These clear tube lights should only be installed into fixtures with diffusers. They are very bright! If you install these clear tube bulbs into open shop lights they are so bright your retinas will melt into your head and run out of your nose. I had previously purchased a case of frosted tube bulbs and I installed them everywhere so when I got these clear tube bulbs I went around and replaced the frosted bulbs in the diffused fixtures with these clear ones .Totally amazing but be careful where you put them. like I said I have ordered two cases of these bulbs, frosted and clear. I love them all! If installed into the proper fixtures they are very bright and the color is perfect. 4000 Kelvin is a very middle-of-the-road color that illuminates everything very nicely. You will need to perform a little bit of electrical work removing the ballast and rewiring the tombstones. If you are afraid of this stuff then find a buddy that can do it for you. The wiring diagram is right on the bulb! I love that! No guesswork or having to search the forums for how to wire them up.For example put a pair of these clear tube bulbs into a 2 lamp diffused fluorescent fixture in my walk in closet and it is amazing how they illuminate the colors of the clothes. It makes it super easy to pick out my dapper outfit for the day!My bulbs arrived intact and all of them worked. Thank you Parmida for an amazing product at a great price!
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