That looks very poor. Are you saying that this wiring was installed fairly recently?

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Also, there were 2 live bits of TPS cable hanging down, from the outside walls, that anyone could have touched and been electrocuted.
And they have little kids running around! [Linked Image]

I take it this is a public school. If so, I'd suggest you write the local education dept. or whatever it is called over there, with copies to the principal, minister, and any other official you can think of pointing out the dangers.

Would you want your kids attending a school where they could touch exposed energized wires? [Linked Image]

(Seeing the state of the education system these days, I'm not sure I'd want them in school anyway, but that's another matter.)