I already sent this link to John (who is in the U.K.) a few days ago, but for anyone else interested, the following is the IEE's current PAT requirements: www.iee.org/Publish/WireRegs/PAT_CodeRevised.pdf
I can't think of any reliable way to check for a switch in the hot line without getting inside the unit, not that a switched neutral on a portable appliance is really a big deal.
