In article ,
Mike Gilmour wrote:
Actually there are quite a few incidents of arcing and localised
heating due to loose 13A socket terminal connections but because the
area being metal clad and grounded it generally goes no further (ask any
leccy)

Yes - I've come across it several times. Due to inadequate tightening in
the first place. I'm inclined to think even deliberate by some
electricians to make more (chargeable) work for them later. However, I've
not known of any of the things I've installed - quite a few over the years
- give trouble in this respect. I do them up until they groan. ;-)

--
*Why is the man who invests all your money called a broker? *

Dave Plowman London SW
To e-mail, change noise into sound.