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Neat (and very simple) G40 LED lamps

You see that little resistor in the video thumbnail?  That's the bit that seems to fail on these unusual little lamps.

https://youtu.be/weB-fahQU5Q

The lamps are commonly used on strings of festoon cable, and it appears they can be "dooby'd" to any intensity (and longer lamp life) that you desire.

Neat (and very simple) G40 LED lamps

Comments

The festoon lights you're talking about or equipment to are c7 base or candelabra base, but the European E10 bases fit our American C6 lamps, and surprisingly hard to get my hands on a set of your early series strong European fairy lamps here in the states unfortunately.

Jonathan Hughes

Traditional C6 bulbs were typically 15 volts, and used in series strings of eight bulbs, or multiples of 8. The use of eight bulbs (120 volts for 8 lamps. You guys had early series strong 20 volt fairy lamps that use similar-sized bases.

Jonathan Hughes

Inadvertantly left a bare lamp on my deck all of last year (2 winters ) with 6 watt cfl in an edison base at 110v. Still works every time, minor corrosion and maybe it helps I've removed the bulb a few times to take a look. At this point it's a test to see how long it will go. It's been iced up, rained on and outright abused. Who knew!

Jim

I've featured the higher voltage version a couple of times after removing it from inside spiral filament LED lamps. That stuff Mike had seemed quite expensive per section. It may become more available and affordable over time. Hopefully they aren't selling the rejects from the industry that uses the stuff in big designer lamps.

Big Clive

He did, in 2017.

Ymir the Frost Giant

Festoon: a chain or garland of flowers, leaves, or ribbons, hung in a curve as a decoration.

Jeremy Impson

Have you ever considered doobying something like this into a wifi bulb using an esp8266? Now I watch the video they are a lot smaller than I first thought :-) But I still like the idea of making a wifi enabled bulb with one of the larger bulbs you've featured.

ah Big Clive and his Collection of LEDS+xmoose lights.. oodles of entertainment

Scott Traynor

Talking of LED filament, have you managed to obtain any of the long flexible string that Mike Selectricstuff showed a couple of months ago? Passed through some opaque tubing, it looks like it'd be a good neon effect, but I can't find a UK seller.

Wouldn't rain ingress cause shorting? (and lead to potential shock hazard)

Mike Hughes

must start sorting my LEDs out and checking the ones I have thanks Big Clive good video.

Jimmy 60

Cool to look into (well maybe not directly) but yeah, I wouldn't use 'em outdoors.

Michael Thompson


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