do I need an earth stake - metre is 25m from fuesboard

[Knobhead]

Exactly!!

You should have seen the confusion in the engineering industry during the change over from Imperial to Cillimetres. Drawings arriving on the shop floor printed on Metric sized paper with Metric dimensions which had been converted directly from the original Imperial dimensions and given to a bloke whose machine and measuring instruments were Imperial. The poor sod (me) had to spend half an hour or so with calculator & pencil changing all the dimensions from Metric back to Imperial before the job could be started. ... Madness!!!

The Grantham grocer's daughter fixed it though when she arrived on the scene with her Final Solution ..... :censored:

I remember it well, although I'd rather forget it.

 

[cairns]

Hi all, you all seem to be having a good laugh. Method of earthing is TNCS in meter cupboard 25m from house, swa 25mm has been run into an isolator with tails out in the meter cupboard, just wondering if an additional earth stake would be required nearer the house. Just want to cover my arse now before the board come out to liven it up.
Thanks for your brains

 

[cairns]

So the op has been on this morning and not had the decency to answer any of the points.

very poor.

Yeah i was busy working sorry

 

[Silly Sausage]

Is all this within the same building?
I'd (maybe) give the same answer it it wasn't.

 

[Octopus]

Hi all, you all seem to be having a good laugh. Method of earthing is TNCS in meter cupboard 25m from house, swa 25mm has been run into an isolator with tails out in the meter cupboard, just wondering if an additional earth stake would be required nearer the house. Just want to cover my arse now before the board come out to liven it up.
Thanks for your brains

Good man, you have a sense of humour!

Who ran the SWA and how many cores is it? and why would you want an earth stake? Just asking!

 

[Darkwood]

Hi all, you all seem to be having a good laugh. Method of earthing is TNCS in meter cupboard 25m from house, swa 25mm has been run into an isolator with tails out in the meter cupboard, just wondering if an additional earth stake would be required nearer the house. Just want to cover my arse now before the board come out to liven it up.
Thanks for your brains

Where is the overload protection for the SWA ???? I asked earlier its a crucial part of the design.

 

[micknew]

Surely this should be in the DIY section.

 

[Silly Sausage]

Surely this should be in the DIY section.

There's no room left :smilielol5:

 

[micknew]

There's no room left :smilielol5:

Yes I've noticed, its getting worse.

 

[Deleted member 9648]

Hi all, you all seem to be having a good laugh. Method of earthing is TNCS in meter cupboard 25m from house, swa 25mm has been run into an isolator with tails out in the meter cupboard, just wondering if an additional earth stake would be required nearer the house. Just want to cover my arse now before the board come out to liven it up.
Thanks for your brains

OK....reasonable hat on.
No an additional earth electrode is not required if the entire system is connected to a TNCS earth. There are those who suggest it is a good idea though,as it will reduce the risk of voltages appearing on conductive parts in the (highly unlikely) event of a broken neutral on the supply side.
I have never rodded a TNCS installation myself.
Bear in mind that main bonding in the house will have to meet the requirements for a TNCS system,ie minimum 10mm back to the MET.

 

[cairns]

Overload protection will be in meter cupboard via 100a isolator

 

[cairns]

OK....reasonable hat on.
No an additional earth electrode is not required if the entire system is connected to a TNCS earth. There are those who suggest it is a good idea though,as it will reduce the risk of voltages appearing on conductive parts in the (highly unlikely) event of a broken neutral on the supply side.
I have never rodded a TNCS installation myself.
Bear in mind that main bonding in the house will have to meet the requirements for a TNCS system,ie minimum 10mm back to the MET.

Nice one, thanks for the help. the day you stop learning is the day you give up so another thing learned. Thanks

 

[telectrix]

Overload protection will be in meter cupboard via 100a isolator[/QUOT


a 100A isolator and what OCPD? fuse/MCB or rusty nail?

 

[davesparks]

Overload protection will be in meter cupboard via 100a isolator

An isolator does not provide any overload protection.

 

[Darkwood]

An isolator does not provide any overload protection.

This is what ive been trying to point out from the start several times .... he gives the impression he's using the DNO cutout fuses as upfront protection or he doesn't know the difference between a switchfuse and an isolator.

 

[Geordie Spark]

This is what ive been trying to point out from the start several times .... he gives the impression he's using the DNO cutout fuses as upfront protection or he doesn't know the difference between a switchfuse and an isolator.

Oh come on!! .............. He MUST know the difference - he's a spark isn't he?? ......

.............


....... Isn't he?????!!! .. ... :thinking:

 

[davesparks]

This is what ive been trying to point out from the start several times .... he gives the impression he's using the DNO cutout fuses as upfront protection or he doesn't know the difference between a switchfuse and an isolator.

I know you were, but your subtle approach wasn't getting anywhere so I thought I'd try a more direct approach

 

[Silly Sausage]

Oh come on!! .............. He MUST know the difference - he's a spark isn't he?? ......

.............


....... Isn't he?????!!! .. ... :thinking:

I'm taking bets right now.
Can't offer very good odds though, about 1.01 and think yourselves lucky

 

[Knobhead]

This is getting downright silly. I hope our friend Cairns can keep adding to the fun.

 

[Engineer54]

Hi all, you all seem to be having a good laugh. Method of earthing is TNCS in meter cupboard 25m from house, swa 25mm has been run into an isolator with tails out in the meter cupboard, just wondering if an additional earth stake would be required nearer the house. Just want to cover my arse now before the board come out to liven it up.
Thanks for your brains

I do hope that 25mm SWA cable is 3 core, or it won't comply for bonding purposes at the house. That is, the steel wire armouring will not be have a sufficient CSA to comply for bonding purposes, it will only comply as a CPC!!