@Wayne-TP Following up, I went out and bought a 3-pack of different Edison bulbs from Phillips. These also work fine, so the issue is definately some incompatibility between the design of some LED...

@Wayne-TP Not sure where I got the bulb from, but I took pictures of the bulb/inscription. Plus, I put the bulb back in and attach pics of it "off" and glowing, and "on" bright. Note that I also...

There are other threads for both of these issues, but they are old an locked, so I cannot reply... So, The long story: I bought 4 (2 packs) of HS210's, two I'm using as regular one-way switches (and...