Good workmanship - I looked inside while isolating the AC input terminals. 0.1V, if that. But like many of its brethren, the AC input is on an open divider strip next to the outputs. I've had a few of these that offer a little protection thanks to the plastic lid, but they don't. Definitely five stars because I don't put much value on this case in terms of security. Of course, you can use them "properly" in a sealed box (not forgetting the thermal implications); I prefer to isolate these terminals and solder the power cord to the internal connectors.
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