Wouldn't help with the concealed cable zone issue.
This raises as interesting question, which I've often pondered. The OP's situation (with the breeze blocks behind), is more complicated, but what if it were simply a standard 'thin' stud partition between rooms (without one being able to see both sides of the wall simultaneously), and with the cable entering the cavity of the partition (from under-floor void above) roughly half-way between the two sides of the partition (as is often/usually the case)?
That was also my feeling, but I wonder whether people often actually think about this? When I said 'thin' I was really talking about a fairly standard 'ubiquitous' stud partition, of '100mm and a bit' thickness. The impression I get is that most people think only about the side of the partition they are dealing with, and don't consider the fact that it's often (usually?) probably impossible for them to be sure than none of the cable is <50mm from the other side, where (if both sides can't be seen simultaneously) there is usually not going to be a safe zone.
Did your problem perhaps arise because BAS did not repeat precisely the words I had used. I wrote
... which maybe conveyed my meaning slightly better??
I think one is probably allowed to move one's head a little from side to side, to make up for the lack of distance between one's eyes! Now back in proximity with my BGB (I was working from memory before), I can tell you that what 522.6.101 actually says is "Where the location of the accessory etc. can be determined from the reverse side...". That's pretty vague, and I think probably allows for a person standing in a doorway and moving their head around a bit, as well as various other strategies for 'determining'.
Ah, this must be a new meaning of the word 'simultaneously' that I haven't previously encountered.
Yes, I think you'll find that's what I said above. And I don't even have a green book.
It probably does, but neither of you said that.
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