21 Mar
2011
21 Mar
'11
1:28 p.m.
On Sun, 20 Mar 2011, Eric Smith wrote:
Err, yes :-(. I haev seen some lethal wiring in my time that was
installed by so-called 'professionals'.
Not lethal, but when I was studying at Bristol, we moved a 3-phase pillar
dril lfrom one lab to the next. Upon plugging it ino to the 3-phase
socket in said lab, it ran backwards. I probalby violated
$deity-knows-how-many rules by removign the cover of the motor switch box
and swapping over 2 of the wires.
However, quite why 2 sockets on opposite sides fo the same wall were
wired with a differnet phase sequence is beyond me.
-tony
I wouldn't necessarily even trust the
schematics of a device. It's all
too common for the published schematics to not actually match the equipment.
Don't necessarily trust "electricians" or utility companies either!