On Sun, 21 Jan 2007 01:45:38 +0000, The Natural Philosopher wrote:

And IIRC on every master socket in every house..well there s SOMETHING
anti-surge.

Yes but it is only across the pair so any common mode surges will not be
supressed, as described by Mr Gabriel. Lightning induces common mode
spikes and surges that are "looking for" earth.

--
Cheers
Dave. pam is missing e-mail