Exactly, I rest my case.
Over 90% are done like that here,with that blue cable,they look at us like a fool once it’s explained to them

And not only are these guys fully qualified “electricians”,they can’t understand WTF we are talking about.
And as I said,the incoming wires on many go into the same terminals as two of the interconnecting cables.
The other real dumb thing is,when we replace a small split,we always replace the interconnects,but legally,we are not allowed to.We do it properly and are fixing up some other clowns mistake at the same time.
I often wonder how these guys go working out cable sizes for mains?
Surely they must be capable of doing some things properly,as many of them are self employed.
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