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Thanks for your reply. Would you really not pass a job if the danger burried sign not up due to wall not completed or painted or would you insist it put up at time of livening still regardless. So they would put it up. Take down to paint wall then put back up?

And is use of a key the same as use of a tool? Maybe that's the difference?

As use of a tool for access is not readily accessible

But, maybe a use of key is readily accessible to a person who is authorised to access?

They are both main switchboard and main switch. I asked an inspector at the time about switchboard in a classroom with children and he Said if it's lockable it's OK but never thought much of it at the time but now I'm trying find out. It's only the other day I worked on a main switchboard central su...

Often when inspecting and livening installations switchboards just have the bones. Mains and a temp power outlet. No labels, no fire seal, no blanks ( but nothing exposed to be able to be touched). Often danger burried cable sign not installed as Wall not complete Now it's obvious these things need ...

It's not un common for 25mm burried earth to be terminated directly to earth bar ( no MEC) Personally I feel in the situation where the distance from where the earth bar is to where the 25mm burried earth enters ground is approx 6m is un reasonable to expect an a MEC and an accessible testing point ...

In regards to this question I have tried to find the answer in previous posts but have not found but if iv missed it I apologise. Iv seen situations where main switches are not readily accessible for example a switchboard in a classroom needs key to access main switch A multi unit complex where a pa...

Thanks. I would assume most domestic water service are less than dn65 so 100mm is not much seperation anyway.
But you have answered my questions very well thanks.

In regards to underground services and separation distances table 3.7 it mentions mechanically protected,not additional protection just mechanically protected So I would assume that the neutral screen cable that is made to be burried direct would count as mechanically protected? Also 3.9.8.4 mention...