Hmm, traditional christmas tree lights.

Wired in series so if one blows the whole lot goes out and you have to test every one to find the dead one.
Fragile glass envelopes so they break unless packed carefully.
The blue and green ones much dimmer than the others since they're all lit by the same warm fuzz filaments.

Can't think why we ever stopped using them.

We still use a 1990s Woolies era set, each lamp has a fuse which bypasses it when the filament blows, so the rest of the set just keeps on working every year. I see you can still get replacement lamps on eBay.

Since we had them, we have also got through several sets of LEDs, where the power supplies have blown after a few years. Each LED in the string is wired with alternating polarity, so if I hook them up to a spare usb charger, only half of them come on!

Mitchino, are you looking for a complete new set of LEDs, or for replacement LED bulbs to go in your incandescent set? If the second, the voltage and AC will likely not be compatible.

Posted By: mewe have also got through several sets of LEDs, where the power supplies have blown after a few years. Each LED in the string is wired with alternating polarity, so if I hook them up to a spare usb charger, only half of them come on

The teenager has hooked a dead set up to a RPi motor controller. Switching the polarity fast enough, makes it look like all of the LEDs come on.

They now look pretty as they flash out his message in Morse code: "BAH HUMBUG!"

Bigclive has reviewed the worst Christmas tree lights in the world. You won't believe some of the safety isues..


https://youtu.be/YtFqdPbqItY