Robertson ISU232T8120 (3P20116) Electronic Fluorescent Ballast, for 1 or 2 T8 Fluorescent Lamps Between 17W-32W (F17T8 Through F32T8) or 1 F40T8 Lamp, Instant Start, 120V (Qty 1)

Worked as perfect replacement. Used the search tool to find a compatible replacement for my dead ballast. Easy peasy fix. Thanks!

Installation was a breeze, and the user-friendly design of the eBallast made it a perfect fit for my DIY project. The clear instructions provided made the process smooth and efficient. I appreciated the compatibility with both 1 and 2 Lamp F32T8 fixtures, giving me flexibility in choosing the lighting configuration that best suited my needs. One of the standout features of this eBallast is its Instant Start capability. The lights come to life instantly, eliminating any frustrating delays in illumination. This is particularly advantageous in spaces where quick and reliable lighting is essential, such as workshops or garages. In conclusion, the Robertson 3P20116 eBallast is a fantastic choice for DIYers looking to upgrade their lighting setup. It's a cost-effective solution that doesn't compromise on quality. The ease of installation, compatibility with different fixtures, instant start capability, and energy efficiency make it a stand-out performer in its category. I highly recommend the Robertson 3P20116 eBallast for anyone seeking an affordable and reliable lighting upgrade.

very easy install and replacement, works perfectly

This ballast was easy to install & worked perfectly with a pair of T8's 32 W.

No issues with replacing the old one except I needed to supply my own wire nuts. The product works perfectly, installation was straightforward, and it was the best price I could find.

Found the ballast to be of excellent quality at this price point. Wire leads are more than long enough, and pre-stripped. Balast is UL Listed. Clear, detailed instruction sheet provided. No wire nuts were provided, will need to reuse the wire nuts from the existing fixture or obtain new ones. No mounting hardware (screws & nuts) provided. Mounting holes didn't line up in existing fixture, but used one existing mounting hole and hole used for grounding screw. Worked perfectly. If this hadn't worked, I would have simply drilled a new mounting hole. One factor (mechanical mounting) to consider. Worked perfectly from first use, bulbs lit quickly and there was no hum.

This was written after I had made a mistake in wiring. So if you are in need of flashing 4' LED tubes, let me know: While the ad states it can power two (2) bulbs, on the actual ballast it is printed "Note: for one lamp application, cap any unused blue lead, insulate to 600 volts.' While it also states on the ballast "(2/1) F32T8, F25T8 or F17T8 Lamps" this ballast will only power one (1) of the Honeywell LED 4' units. When two are placed in the fixture and the needed 'splices' are completed, the two (2) LED units blink intermittently. While it is a nice effect for the holidays, it is not practical for a master closet. Keep in mind, my application was not for typical fluorescent bulbs. I was converting to LED units. Do your homework carefully. I did not and now have the choice to buy a second ballast and have two (2) in the fixture or go and purchase the proper ballast. Still gave three (3) stars as the ballast looks to be a quality product and the wires were more than long enough. UPDATE: The ballast works!! Five (5) stars. I had converted twelve (12) of these about a year or two ago in my shop (from 2 (2) tube bulb fluorescent to two (2) tube LED) . I knew I had purchased the correct ballast. But I had wired it up incorrectly. As you get older, the memory fades. I took down one of my older units, saw my wiring mistake, corrected the new fixture and all is good in the lighting world. Robertson is back on my Holiday card mailing list.

Clear instructions and easy installation. The wiring for this ballast was slightly different from my original but was easy to modify based on the wiring diagram provided. Replacing a ballast is way cheaper and easier than replacing the whole fixture. The mounting slots fit exactly on the slots and screw holes in the fixture.