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When wiring a kitchen: 1. Cooker on its own circuit. 2. Fixed goods ie fridge, cooker hood, dishwasher, etc 3. Sockets Can 2 and 3 be on a radial together or is it a better idea to have 2 seperate radials

Thanks Taylor2

Thank you Adam Can you explain that?

Can anyone explain to me how this test works ie what is the process that the tester goes through to measure it.

Can't tell yet. I have so far asuumed that the earth is run from the same armour but I will be able to explore further next week. Can you explain how Zs/Ze is measured ie. the actual process that the meter goes through.

The earth for flat 1 comes off the armour (TN-S), but I am not sure yet how flat 2 is earthed. Would it not be also connected to the same armour?

To clarify, the SWA comes into the kitchen, enters a double HRC arrangement and a pair of tails exit each HRC, one pair enters the meter and the other pair runs up the wall through the ceiling off to the other flat.

I have an Alphatek MI3000.

While measuring Zs will it not create a potential hazard for the other flat?

Yes they share the same common supply. The Cable comes in to flat 1 and the tails split- via 2 HRCs into 2 pairs, one pair goes upstairs.

If the supply comes in to the flat in question (flat 1) and the supply including the earth (TN-S) goes off to another flat (flat2). How can one measure Zs and Ze without causing any problems for flat 2

That simple hey. Thanks for the replies.

So why don't we just use RDCs rated at say 100A for all applications. The protection it will give is just the same.

With an RCD rated at for example 30mA - 60A, what does the 60A refer to. Sorry if this is a stupid question.

Is there an adaptable box that can fit a gland for a 16mm SWA? The standard size knock out is too small.

Same with ours. All the internal stud walls are easily moved. Infact since the frame went up we have decided to rearrange some of the rooms. It seems to me that both styles of timberframe house are equally far removed from traditional masonry

Can you elabourate.

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Thanks for that Bernard. I have decided to run the cables horizontally from socket to socket eliminating the need for 2 cables per conduit. I will have to go up and over the doors and run in the ceiling void till the next socket. Will I need to continue to use conduit in the ceiling void or...

JohnD sorry if this is a stupid question, what do you mean by unbalanced ring.