BG> Why not do as I once did - make sure the door knob is isolated from any 
BG> other metal, then attach a 240VAC mains lead to it, switched ON at night.  
BG> Just don't forget to turn it off when you get up each morning, that's all.  
BG> And yes, I know that man traps are illegal, but I really don't care any 
BG> more.

Did you catch anyone?  BFN.  Paul.
@EOT:

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