Sorry, I hadn't finshed my reply - bloody laptop PC's!!!!
In my experience of nearly 12 years in our MEMU, there are very few items of equipment that fail an electrical safety test. The main problem that I've come across is the moulded 10A IEC lead to 13A plugtop where the earth impedance fails due to the poor connections at the IEC socket's earth connection over some time due to pulling this socket out of the equipment of flexing the lead by ward staff.
Most other problems are picked up at the visual inspection stage e.g. the plug hanging off the lead, the plug broken or the lead pulled out of the plug's cable clamp etc. Most of these problems being due to bad use by ward staff.
I recall that there was a survey carried out many years ago by the old MDA(I haven't got this to hand as I'm doing this at home!) which concluded that the main problem of medical equipment wasn't electrial safety but operational problems (e.g. IV pumps giving incorrect volumes etc. But that's another story....
Ian
