alt Hacker NewsI strongly suggest not buying any electronic components from Amazon, but 5VDC LED light strings should be OK.
Do not roll the dice on the power supply, buy a UL listed one. If you buy some shitty Chinese PSU and it lights your house on fire, your homeowners insurance will deny the claim.
This one puts out 30w @ 5VDC and is also UL listed: https://poliledsigns.com/shop/poli-5vdc-30w-waterproof-led-p...
Even though it says ‘waterproof’, it needs to be installed in an enclosure, NEMA 3R rated enclosure if it’s installed outdoors.
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Do you have proof that claims are denied due to power supplies not rated correctly? That seems like fear mongering otherwise. Your insurance still covers your house even if you make mistakes on construction or repair yourself, I can’t imagine them denying a claim over a purchased part that you have a good faith reason to believe it will function correctly.
Also why do you specifically call out Chinese parts as being shitty? Where do you think the majority of electronics come from? This feels like xenophobia. The power supply can be cheap and crappy and come from anywhere. Or it can be great and come from anywhere. That one you linked, by the way - Made in China.
This is some major myth. Crack open your insurance policy — it’s not going to say “UL listed appliances only” or anything like that. Insurance also covers mistakes.
But you should get a good power supply anyway because the hassle is not worth it.