Help! I dont understand my lighting, and need help figuring out which lamps I need - Lemmy.World
lemmy.world
A couple years ago, I bought a string of led festoon lamps. This was a cheap purchase from a Chinese seller on Amazon, who is no longer actively trading. The strings came with a couple spare lamps, but now they have all been used up and I need to find some new ones. The issue is that the packaging has no indication of their spec, and the lamps themselves have no markings on them, so this is quite tricky. I tried getting these [https://www.amazon.es/dp/B0GCJR42CV]. They fit in the socket, so thats a good start, but they don’t light up. Before I go out searching for something again, can someone help me figure out if it’s a lost cause and I should just buy a new string or if it is possible to work out what type of lamp I require. The picture is of the plug/transformer. It’s the only info I have to go off…

Please check out my previous post here.

I’d like to say thank you to everyone who helped me with my last question. Hopefully you can help me again…

I had a look at my setup, and the system actually has 70 lamps. That implies that each one likely draws 0.1W (if I understand this correctly) given that the transformer has a Max output of 9W.

I’m having a hard time finding lamps that fit this spec, so now I’m wondering if I could simply change the transformer. Do I risk melting the wires or burning my house down doing something like this?

  • KapasystemEnglish
    1·
    2 hours ago

    Changing the transformer will not solve the problem and can actually be dangerous. These LED strings usually run on specific low-voltage series configurations, like 24V or 31V DC. Standard replacement bulbs bought online are typically rated for 12V or 230V, which is why they do not light up in a high-voltage series circuit. Trying to replace the transformer with a different output to match generic bulbs could overload the thin wiring of the festoon string, creating a serious fire hazard. Unless you can find replacement bulbs with the exact voltage and pin specs of the original setup, replacing the entire light string is the safest and most economical option.