On 23/01/2009 21:17, Tony Duell wrote:
I was thining of the dull-size BC and ES lampholders
used for mains
bulbs (and thus with mains applied to the contacts). You can remove the
bulb without a tool and you can most certainly then touch live parts
with any normal-sized human finger.
Yes, I realised that after Gordon's comment.
Amusingly,
these lights are classed as if
double-insulated, even though all the ones I've seen are not -- the
Are they? I understood the normal appliances were 'Class 1' if they had
an earth wire and 'Class 2' if double-insulated. And that 'Class 0' was
single-insulated, but no earth, and about the only class 0 devices that
could still be sold were decorative lights.
You could be right about that -- I was basing my assessment on the fact
that they're tested using Class II tests and settings (at least on our
Seaward testers).
--
Pete Peter Turnbull
Network Manager
University of York