I haven't built this but I looked at what is published on Welborne's
site. It looks like the entire psu including transformer is mounted on
the circuit board which is isolated from the aluminum enclosure. Do you
have the safety earth pin of the IEC connector referenced to the
aluminum chassis? This is for your safety. The middle prong of the
3-prong IEC connector should have a short wire soldered to it, and the
other end of the wire should be referenced to the chassis. You can use
a captive O-ring for this and a good sized bolt with locking washers
and nuts. Best to use brass which is easy to source.  

Desipite Welborne's recent customer service troubles, the gear is high
quality.


-- 
RioTubes
------------------------------------------------------------------------
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