Re: [EE]: a curiosity - RCA -> Miniature Light Globe pendant?

Some sort of test light for checking cables?
RP

On Mon, 26 Jan 2026 at 16:02, Justin Richards <[email protected]>
wrote:

> I have had in my collection a small 10.5mm (0.4") D x 51.5mm (2") L
> cylindical device with an RCA connector at one end and at the other a small
> slot behind lies a small incadesant globe. Image is hopefully attached.
>
> Sadly, the globe is blown and has no specs on it or the cyclinder it is
> housed in.
>
> Wiki suggests the lowest voltage incadestant globe is about 1.5v.  As such,
> I guess it is not used to indicate normal RCA socket signal levels
>
> I submitted image for a gargoyle search but it suggested a dentist tool or
> diesel injector.
>
> Any guesses?
>
> Cheers justin
> [image: rca_light.jpg]
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