I don't need one but was just wondering what happened to the tubes that used to have a metallic strip along their length. Also - I recall that some starters had 4 pins. Why?

You know I have no idea about either, but I do remember some lights having strips, might have been to attempt to stop that wiggling line effect some tubes have when first put on in a cold room. All I know about starters is that they are n just basically bimetal strip switches to try to get the tube to strike then remove that extra kick from the inductive part of the circuit. Maybe some double tube fittings had two in one housing? Brian

Obsolete Fluorescent tube?

Oct 15, 2016 22 Replies

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tabbypurr 9 years ago

There was a war on. No way were they developing a new connector when they a lready had one, ready mass produced, that did the job. Factories were for w ar machinery.

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DerbyBorn 9 years ago

But Continental Europe and the USA would not be using the bayonet - ES was unsuitable - so did they go directly to Bi Pin?

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tabbypurr 9 years ago

I believe they did. US history is different, with different tubes and differing terminology. And IIRC sometimes they use our terms used to describe different things.

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