UK Can anyone tell me what is wrong/incorrect.

[Penguin]

 

[littlespark]

Basic insulation


Or is this a trick question?

 

[James]

As above plus
grey should be used a N with blue sheath.
armour is not earthed.

 

[westward10]

Perfectly acceptable to use black as the neutral conductor providing it is correctly identified.

 

[buzzlightyear]

No switch fuse then for the feed then.
What is it feeding.

 

[mainline]

armour is not earthed.

It maybe at the other end.

 

[mainline]

Basic insulation

In an enclosure ?

 

[DefyG]

In an enclosure ?

Or not as the case might be.

Think there was a debate previously on the forum as to whether a meter box is considered an enclosure because it is lockable (don't laugh) and a key is needed!

 

[mainline]

Perfectly acceptable to use black as the neutral conductor providing it is correctly identified.

The supply is using black as neutral and grey as earth. I would seriously question the competence of someone who cannot even get that correct.

 

[DefyG]

Probably 16mm comparing physical size with the Blue tail and the G/Y but not necessarily incorrect.

 

[DefyG]

black as neutral and blue as a line.

Blue? looks like Brown to me!

 

[mainline]

Blue? looks like Brown to me!

It was from a post.

Could someone please tell me if this is right or wrong please.

Right or wrong please? , if wrong, what needs to be done to fix it? thanks in advance.

www.electriciansforums.net

 

[MFS Electrical]

View attachment 112397

Things wrong in this picture;

1. Basic insulation showing (meter cabs are not considered suitable enclosures) interestingly site applied insulation (heat shrink) is no longer classed as suitable in an application like this either.

2. Black being used as the N (personally don’t see a problem with it and I’m not aware of any regs which explicitly state black cannot be used as a neutral) but the NICEIC ran a campaign to “de-neutralise” the black. Bigger problem IMO is no sleeving to identify it as a neutral.

3. Difficult to tell from just a photo but that doesn’t appear to be a 25mm SWA and the cut-out says 100A fuse fitted. So OCPD is too large for cable.

4. Whilst not a 7671 reg most DNOs/DSOs specify that meter tails can only use the cutout fuse as an OCPD where the tails are less than 3 metres.

5. SWA braid is not earthed.

6. SWA is not terminated correctly.

 

[MFS Electrical]

Or not as the case might be.

Think there was a debate previously on the forum as to whether a meter box is considered an enclosure because it is lockable (don't laugh) and a key is needed!

According to NICEIC and Select it isn’t classed as a suitable enclosure as non-skilled persons access the enclosure regularly/to read the meter etc.

 

[MFS Electrical]

It maybe at the other end.

Still not done properly though, pretty bad practice earthing the armour from the far end of the circuit.
Zs of the braid would be significantly higher.
And installed contrary to manufacturer’s instructions.