John Robertson wrote:
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No UL approval I'm sure.


** What standard is there for such a device the runs on 12- 24V DC ??

Why would you trust it then?

** UL does not check for good design or reliability.


Unregulated electrical junk sold on Amazon can be hazardous to your
house or your family.

**True - but this is not a good example for that.


...... Phil