It SEEMS that we end up spending thousands of dollars to get UL safety
testing on the following:

1. A UL listed power supply
2. A UL listed power switch
3. A UL listed power inlet
4. A few pieces of wire and a ground lug


It SEEMS that it should be possible to avoid all this if there were
something like the old PC power supplies that had the inlet, power switch,
etc. all enclosed in a box with just the DC outputs coming out of the box.
We'd shove the power supply up against our rear panel and have no line
connected circuitry in our product other than that "pre-approved" box. I
think this is similar to using an external low voltage power supply.

So.. does the group think this would reduce or eliminate UL safety testing
costs? Does anyone know of any power supplies like this?

THANKS!

Harold



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