I recently experienced an issue similar to Louis' ceiling fan issue that he mentioned beginning at
6:49. I had 2 surface mount ceiling lights in a hallway, each was a single bulb fixture for one standard Edison-base (E27) bulb. My wife has macular degeneration and I decided to double the available light output and instead of installing two twin bulb fixtures I purchased two fixtures with a proprietary LED bulb rated in lumens above what two 60 watt bulbs would be.
Bad mistake. They were great for about 2 years then one began flickering and within a month it was like being in a late 70's disco. Had it been a standard fixture with two E27 sockets I would have spent a couple of bucks for a quality, UL-approved LED bulb and made the repair in a matter of minutes. I might as well have flushed $30 down the toilet along with a half hour installation time by installing that Home Depot proprietary LED bulb fixture.
BTW, I purchased TWO standard twin E27 bulb fixtures and proactively changed out the remaining, non-malfunctioning unit instead of waiting for it to fail like the first one. I figured it would fail at the worst possible time.
![Cool :cool: :cool:](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)