On Mon, 30 Jul 2007 13:54:43 +0100 someone who may be "Ed"
wrote this:-

I have two dusk to dawn fluorescent bulbs, I have placed in my house ,
although they come on at dusk they keep switching on and off during the
night,

How rapidly do they switch on and off?

If this is less than say every five minutes they are probably seeing
the light from the lamp.



--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54