Ya, I also checked the
UL Online Certifications Directory. The manufacture listed on the AC/DC adapter (Shenzhen Borasen Technology) shows no results. Jebao does come up with multiple certificates, but all are older and none list WP25, WP40, etc...
I intend to continue using mine, but I'll be replacing my AC/DC adapters with ones that have a legitimate UL certification.
As far as DIY LED's:
Quote:
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The OESC Rule 2-022(3) (c) specifies some exceptions to electrical product approval requirements. Electrical equipment does not require approval if it connected to the load side of an approved Class 2 power supply whose power output does not exceed 100 V
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So, the voltage between the driver and the LED's most times is below 100v. But the mains voltage to the driver most certainly is above. Check your drivers, there should be a certificate stamped there too.
Switches for ATO's are below the 100V as well.
On a side note, some of my USB wall chargers have the UL stamp, but many of the random ones I have do not...