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Horrific USB power supply fault. (Electrocution risk.)

bigclivedotcom · demo · Watch on YouTube

Repair, teardowns & right to repairElectronics & circuit designEngineering & making (other)

What it is

Electronics hobbyist bigclivedotcom tears down a cheap USB power supply with a manufacturing fault that carries full mains voltage to the USB ports, showing the risk of electric shock.

Why Hacker News recommends it

Cited in threads about cheap chargers as proof of why proper certified and isolated power supplies are worth paying for.

  • 2 people recommended it
  • 2 different months
  • 1 strong recommendations
  • first 2016, last 2024

What HN commenters said

  1. “He earned my respect from a video on a USB charger with an electrocution risk”

    Shows electrocution risk of cheap USB chargers

    bigtrakzapzap, 2019-08 · Strong recommendation · in “Inside a Poundland computer mouse [video]”

  2. “Watch these USB charger teardown horror-shows to further understand why it's rational to pay for proper, authentic CE+UL”

    Teardowns showing why quality isolated chargers are worth paying for

    BrailleHunting, 2017-03 · Recommendation · in “Man dies charging iPhone while in the bath”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: usb chargers, teardown, electrical safety, mains voltage, counterfeit electronics

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