New circuits.

[joehat]

Hi all

I'm. Installing new circuits into a metal db with 10mm twin and earth as the tails into the main switch, so I can only assume their is a submain but my issue is the garage it's choca and we think it's where the main fuse is, would anyone be happy to put lim in this situation with the fuse ect/submain , as I am only from the house db adding circuits?

As in I can't put any details in as the main switch or submain board..can this be lims as I can't get to any of this?

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[richy3333]

Sorry, what? Could you elaborate as it doesn't make sense to me?

 

[joehat]

Changed slightly if that helps I don't know

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[Pete999]

Hi all

I'm. Installing new circuits into a metal db with 10mm twin and earth as the tails into the main switch, so I can only assume their is a submain but my issue is the garage it's choca and we think it's where the main fuse is, would anyone be happy to put lim in this situation with the fuse ect/submain , as I am only from the house db adding circuits?

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Joe, confused.com

 

[telectrix]

i think what he's saying is that the intake and main DB are in the garage and it's full of crap so he can't access it to get details.

 

[Flanders]

I would say no , how do you know if the main earth is connected to the MET and have you managed to access the bonding conducters to inspect ?

 

[joehat]

Sorry if I didn't explain very well but yes Tel

There's main bonding in the db in the house to gas and water,

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[Flanders]

Ok is there a 16mm earth to the consumer unit from the MET or is it just relying in cpc in the 10mm twin and earth ?

 

[davesparks]

Hi all

I'm. Installing new circuits into a metal db with 10mm twin and earth as the tails into the main switch, so I can only assume their is a submain but my issue is the garage it's choca and we think it's where the main fuse is, would anyone be happy to put lim in this situation with the fuse ect/submain , as I am only from the house db adding circuits?

As in I can't put any details in as the main switch or submain board..can this be lims as I can't get to any of this?

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No, you cannot enter 'lim' into any part of an EIC, that is only used on an EICR.
Without the details of the incoming supply how on earth did you assess its suitability and adequacy to serve the additional circuits?

 

[joehat]

Well how can you determine what fuse it is without taking the fuse out? Which your not aloud to do???

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[joehat]

Also the circuits are new replacement to what was there already.

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[davesparks]

Well how can you determine what fuse it is without taking the fuse out? Which your not aloud to do???

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Well do it quietly then! Or did you mean allowed?

If it's a 10mm T&E submarine the e there must be a switchfuse there somewhere feeding it, so why would you not be allowed to take it out and look at it?
There's more to it than just the fuse rating anyway, which I'm sure you already know, you need to determine the earthing system, tails size, confirm the size of the earthing conductor etc




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[davesparks]

Also the circuits are new replacement to what was there already.

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That doesn't change the rules, LIM is still not an available option for an EIC! The only options are pass or not applicable, you cannot have a fail, limitation, further investigation or not verified on an EIC


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[NDG Elecs]

That doesn't change the rules, LIM is still not an available option for an EIC! The only options are pass or not applicable, you cannot have a fail, limitation, further investigation or not verified on an EIC


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I quite often bow down to your, and some other knowledgeable posters, wisdom on here Dave. But slightly sort of disagree with your post above. I recently came across a poor TNS earth connection which the DNO was promptly informed about. They came out within an hour, and stated that as all ccts were now RCD protected, it was not an emergency, and they needed a jointer anyway as they are going to have to dig outside. Personally I thought the sheath looked pretty good for renewal of the TNS, but what do I know! With a pair of long nosed gently holding the DNO clamp in place the Ze was good ~ 0.4 ohms or so. Without the long nosed it was around 70 ohms due to the loose clamp.

I thought the DNOs response was a bad one, and was not happy with it so I put in a temporary rod to get a high, but at least stable earth path.

On the EIC I did not put NA down in the earthing arrangements section, instead I made a note to refer to the comments on existing installation section as I felt it was relevant. Yes it could have been simply mentioned in a cover note (and it was) but felt a mention on the EIC was OK too.

OK, what I did may bit follow guidelines strictly, but I can live with it!

 

[sparky1508]

I thought it was the schedule of inspections for initial verification that you was only allowed a tick or n/a. Not verified would go on condition report inspection schedule.

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