I make my own lighted switches...
I connect NE-2 lamps with a 20 K-ohm resistor at both ends of about 8 inches wire, drill a small hole in the switch face plate and push the end of the lamp thru just a little and hot melt glue it in place. If the face plate is white, you can just glue the lamp to the backside of the faceplate and it will shine thru. I wire the other ends of the resistors to the hot and neutral terminals that go to the light. When the light is off, the neon lamp lights, and when the light is on, the neon is off. You can find all the light switches in my house at night just by looking for the neon glow. They have never needed replacing. If you want to be super safe, you can use 4 x K-ohm resistors, two just next to the neon body and the other two at the other end of the wires. I use heat shrink over the resistor connections in both cases. Very cheap and effective but not UL or CSA approved.
Pharma Phil
---------- Original Message ----------
From: Nick Andrews <nickjandr...@gmail.com>
Date: January 15, 2021 at 12:20 PM
Sweet! I've been thinking of looking for a lighted switch in the 'on' position for the attic lights we installed to maybe remind us to turn them off. Been up there a bit lately, running cable. More cameras, power, commo. New NVR has 10 cameras, I think have added about a dozen new duplex outlets, and so far 17 runs of cat5 through the house. More to come.
Yes, some thermostats had mercury bulbs in them, the bigger ones having bigger bulbs. I grab those wherever I can find them, getting scarce now. There were also contactors with a fairly significant amount in them, but tricky to open for recovery. OLD ignitrons I think had a large amount in them. Sure mercury can be toxic, but it kills me to see the ridiculously idiotic overreactions to things like broken fluorescent bulbs in schools or places. I know a guy who built a box device to try recovering the mercury from old bulbs. It wasn't worth the hassle. A 4' flo bulb has what, about 1/20 of a drop of mercury in it? I've broken hundreds of them, and 8' ones too in my time. In high school we used them for lightsabers at the university dump.
I use mercury in my carburetor sync gauge for my bike. I know they make some now with a little tungsten rod in them which are safer, and maybe I'll buy one some day. But for now, I'll hoard my little stash...
On Fri, Jan 15, 2021 at 9:15 AM martin martin < mcvei...@gmail.com> wrote:
Greetings all,
These are no longer available in the US as of 40+ years ago. I found one in a box and had to put it back in to service!They were sold as "silent switches". Small tube of mercury to make the contact and the toggle switch has a large NE-2 for a nice looking night light.--
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