Peter W. wrote:
Guess I should put them up on my web site...but they will
be more than $1 as I think these are actually UL/CSA approved.

John:

As these would never be stand-alone devices, they should carry a UR (with the R reversed) designation. And, yes, that would be handy.

Peter Wieck
Melrose Park, PA

Anybody know the history of that symbol? It's cool looking, and seems to
be something beyond what UL would ever come up with on their own.