With regard to point 2!
Check the 17th Edition IEEE regulations!
Consumers units are now designed with nuisance tripping in mind. Either Fill the board with RCBO's (expensive but coming down in price) or 2 RCD's and the board split between them. Then if it trips then only half the house goes out and if designed properly you loose for instance the upstairs lighting circuit and the downstairs ring-main.

I have this recording on mp3 on my phone. Gotten quite a few laughs when I have played it from people who otherwise would not have come across it and even got some Now Show listeners in the process. :-D
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Brilliant tourist attraction, If anyone is in the area then I can well recommend a visit!

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We have cow and gate over here in the uk!

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Britain does not have constitution in the sense of a single document, but in effect the constitution is passages, sentences and laws spread out across thousands of documents.