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UL tests electrical products for safety. It isn't a mark of quality, or of fitness for purpose. It does mean that the device(s) submitted for testing are unli
by ssl-3 2y ago
UL tests electrical products for safety.
It isn't a mark of quality, or of fitness for purpose.
It does mean that the device(s) submitted for testing are unlikely to burn your house down, though.
- immibis 2y agoAnd it wouldn't be expected to imply anything about how the device works on a non-standard power source, anyway.
- ssl-3 2y agoNo, of course not. UL doesn't test the brainbox part at all. The AC -> DC power supply is tested for safety by UL, but the thing powered by that power supply is not tested at all. Normal UL testing and listing deals with mains-powered devices, not low-voltage DC-powered devices.