I can understand why people go for them. It's a convenient, commonly
available supply, and by using it you can eschew the expense of UL/CSA
testing. What we really need, IMO, is to accept that a large quantity of
This indicates to me that the whole apporval process is broken (it is
over here too). Most wall-warts are not that safe (they do not have
proper fusing or other protective decvices, they do not necessrily fail i
n safe way).
Since approvales don;'t bother me (as a home constructor), I will
continue making my own internal PSUs were appropriate. And fusing them
correctly.
-tony