In article ,
wrote:
I was having some difficulty getting a good tight fitting of some terminal strips and when I examined them I realised why.

http://wiki.diyfaq.org.uk/index.php/...nal-blocks.jpg

They have fractured with the force of tightening the screws on conductors.

Now I'm wondering where else in the house they're lurking ...

No wonder there are electrical fires.

Where did you buy them?

I'd expect the head of the screw to become chewed up long before the
housing split.

--
*Kill one man and you're a murderer, kill a million youand 're a conqueror.

Dave Plowman London SW
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