1 Earth Rod 2 Flats Is this allowed?

[ThrownRazor25]

Can 1 earth rod be the sole means of 2 flats which have a shared head coming into the bottom flat?

I have been out today and the incoming supply comes into the bottom flat. There are 2 main fuses. 1 for the bottom flat and 1 for the top flat. There is an earth rod installed outside with a 16mm earth into a henley block. 16mm then goes from there into my DB downstairs. The lateral cable supplying upstairs leaves fuse number 2 but the earth connection is also into this henley block.

 

[Top Cat]

The short answer is I don't know but I doubt it. Testing the rod would be a nightmare as you would have to chuck your lead out of the window upstairs and disconnect the downstairs flat (so no earth for the duration of the test).
The smart people on here should give you a definitive answer!

 

[Pete999]

The short answer is I don't know but I doubt it. Testing the rod would be a nightmare as you would have to chuck your lead out of the window upstairs and disconnect the downstairs flat (so no earth for the duration of the test).
The smart people on here should give you a definitive answer!

That's me out then!!

 

[westward10]

If you have one service head I don't see a huge issue. The only problem would be the testing of it, if you were only testing the one dwelling both would need isolation to test the electrode resistance.

 

[Strima]

If it's one supply then you'd only need one earthing conductor.

 

[Toneyz]

Should there be a time delayed RCD to protect the sub-main going upstairs? a photo would be useful.

 

[Top Cat]

If it's one supply then you'd only need one earthing conductor.

Not sure it has one supply? One head, two main fuses I thought he said?

 

[Strima]

Not sure it has one supply? One head, two main fuses I thought he said?

Could be two phases coming in.

Ideally should be one main earth terminal with earthing conductors for both properties being marshalled there.