A quick guide to circular LED ceiling lights for beginners

I tried doing exactly this last month with the dome light in my hallway. I went to the local hardware shop looking for a driver, but like you said, they only had the full retrofit kits. I ended up grabbing a 7-inch round 15-watt kit from Satco becuase the original board was about 6.5 inches across. The magnetic mounts were actualy pretty handy since I didn't have to drill new holes into the old metal base my dad installed back in the 90s.

The wiring was a bit of a squeeze, though. Even with the breaker off, cramming those extra wire nuts into the shallow junction box took me way longer than I care to admit. By the time I finished, I kind of wished I had just listened to your second piece of advice and swapped the whole thing for a standard E26 socket fixture. Dealing with those tiny LED connectors with my shaky hands was a pain, and now if this driver dies in three years, I'm right back where I started. If you're doing more than one of these, just buy the old-school fixtures and save the headache later on.

I ran into that same space issue in my kitchen. Instead of fighting with those bulky wire nuts, I started using the lever-style Wago connectors. They lay flat and let me actualy close the fixture without forcing it. Also, if you do go the retrofit route, make sure you check the color switch on the back before you screw everythign down. I didn't, and I had to take the whole thing apart again becasue the "daylight" setting looked like a hospital wing. Now I just look for the kits that have a physical toggle for the 3000k setting right on the board. It saves alot of swearing later.

You really need to account for the potential for phase-cut dimming issues before you commit to a specific kit, as many of those budget-friendly integrated drivers utilize rather primitive circuitry that frequently exhibits significant stroboscopic flicker when modulated by an older Triac dimmer. It’s quite irritating to finish a clean installation only to realize the driver’s electrolytic capacitors are humming because the minimum load requirement of your legacy wall switch hasn't been met, so I’d suggest double-checking the manufacturer’s compatibility list for your specific dimmer model to avoid that inevitable high-frequency buzzing.

Ugh, the flicker is the worst part. If you're heading to the store, check if the kit's 'Title 24' or 'JA8' compliant. Even if you're not in Cali, those labels usally mean the driver's better quality and won't buzz when you dim 'em. I've wasted way too much time swapping out cheap kits that sounded like a beehive the second I turned the switch. Honestly, if the fixture's high up on a vaulted ceiling, just skip the retrofit and get a standard socket. Crawling up a ladder every few years 'cause a cheap driver fried is a total drag.

Quick update — I grabbed those Wago connectors you mentioned and they were a total lifesaver for getting the wires to lay flat. However, I’m still getting that annoying flicker when I dim the lights. If I swap to a JA8 compliant kit like suggested, do I need to change out the wall switch too, or will the better driver handle the old dimmer?