Neon Goodness

[martin martin]

On my clients asked me to 'take away' this 1994 Panasonic phone system.

I was about to drop it off a the local e-waste center.. Instead, I opened it up and found 12 nice little NE-2s!

[Mac Doktor]

On May 21, 2023, at 4:01 PM, martin martin <mcve...@gmail.com> wrote:

On my clients asked me to 'take away' this 1994 Panasonic phone system.

I was about to drop it off a the local e-waste center.. Instead, I opened it up and found 12 nice little NE-2s!

Lightning arrestors?

Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact."—Carl Sagan, Psychology Today, 1996

[Moses]

Most NE-2 bulbs are a perfect indicator for the 90v ring voltage.

[Joe Croft]

Could be cheap over voltage protection as well

-joe

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[gregebert]

I found a 3-legged surge arrestor awhile back (looked exactly like a NE-2, but with 3 leads and 3 electrodes), but was unable to get any visible glow from it (up to 500 volts) so I assume it was intended for higher voltages, and perhaps had a different gas or pressure. I salvaged it from something in the past 1-2 years, but cant remember what it was. It might have been an old DSL modem or TV set-top -box.

Another oddball is the spark-gap capacitor. The old Zenith TV we had in the late 1960's had a few of these, and it would occasionally make a zap when the video signal went from dark-to-light rapidly.