Submitted by notscammed t3_101by7e in DIY
EliminateTimeZones t1_j2q6h6n wrote
Reply to comment by asr in How many of these recessed lights can I use on a dimmer switch? by notscammed
I've seen them in homes, typically dining room chandeliers. They are big and got hot, just like you state.
asr t1_j2q6qxc wrote
Those are not rheostat (resistor) based though. They use thyristors to chop the electrical current (you can hear them humming if you listen closely).
Basically they are switches that turn on and off very quickly.
EliminateTimeZones t1_j2q8tba wrote
Nope. Definitely a thing. Also I'm corroborating your claims that they are too big to fit in a standard electrical box.
I just pulled mine out of basement storage and took a look. Inside is a variable auto transformer. Lookup "Luxtrol WBD" on eBay to get an idea.
EliminateTimeZones t1_j2qb548 wrote
Nope no thyristors in these. Just checked. Just a variable autotransformer. (Not a resistor or rheostat).
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