usb hub

  1. eveares

    Potentially Dangerous USB Hub Power supply!?

    Just teared down a cheap USB power supply from a USB hub, and to no surprise :rolleyes: the isolation between the mains primary side and the SELV secondary side was suspicious at best. Not only did my non contact voltage detection stick react to what should have been the separated isolated 5V...
    • eveares
    • Thread
    • dangerous electrics mains isolation power supply selv smps teardown test usb hub usb power supply voltage
    • Replies: 28
    • Forum: Electrics UK
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