I once saw a device with full UL listing that was effectively a relay that could switch on or off a line voltage device. It looked something like a short extension cord but then had a low voltage wire coming off of it to control the setup.

Does anyone know about anything like this? I want to build a few DIY electronics projects but for insurance reasons I need the UL certification.


I once saw the PowerSwitch Tail, which is functionally what you describe, but does not indicate that it is UL listed.

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