Ooh yes.. I've seen the effect of a big spanner dropped over 3 phase
bus-bars. Since the spanner never touched both bars for more than a
microsecond at a time, the very hefty fuse failed to scrifice itself for
the good of the spanner. The spanner was turned into a spray of fine
droplets until it became short enough to fail to bounce down on both
bars. A JCB going through the main incomer cable for an industrial
estate was fairly impressive too. There were large chunks missing from
the digger bucket of the smoking JCB that was lying on its back some 40
feet from the hole. As it had been a fairly new digger, the rubber mats
and insulation were still in place properly and the driver survived to
hone his map-reading skills. The site I was involved with on that estate
had a demonstration of why larger fuse carriers are enclosed in steel
cabinets with some big outward dents in the doors of the cabinet where
fuses had blown to bits and hit the casing.
Warwick -- has a friend called 'mains test Duncan'
You'll need some of these to fit the size of your existing socket fronts:
http://www.somtech.co.uk/cable_grommets.htm ( the open one's )
Then you'll need one each of these:
Then some each of these:
And finally you'll need a lot of patience and time for marking out around
the new back boxes with a pencil and then using the bolster and hammer to
cut the hole into the wall to the depth you need.
If you make a diagram of the connections in the old boxes then make them the
same when you've sunk the new boxes.
A word of WARNING. Make sure you have enough of the existing cable to reach
the new positions of the sockets, and Make Sure You've Turned The Power
"OFF" to the circuit you're working on.
Outgoing mail is certified Virus Free.
I would respectfully suggest that while this is a straightforward but
tedious job for an experienced DIYer, if you have no electrical knowledge
and have not cut holes in brickwork with masonery chisels before, then it is
probably not for you.
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