EICR - Help on my Request for Electrical Safety Alternatives and Quotes

mainline · Apr 25, 2024

davesparks said:
But if that extra cable only feeds one point then it is not a radial circuit but is a completely compliant spur from the ring.
So yes, it is questionable.

A radial circuit in its own right emanates from a consumer unit or power source, where as a spur is a branch off of an existing circuit

DPG · Apr 25, 2024

mainline said:
A radial circuit in its own right emanates from a consumer unit or power source, where as a spur is a branch off of an existing circuit

But a spur on a ring can be taken from any point on the ring, including at the MCB.

mainline · Apr 25, 2024

DPG said:
But a spur on a ring can be taken from any point on the ring, including at the MCB.

Then in my opinion it's not a spur.
If it was taken from a point on the ring then it would be a spur.

Would disconnecting the ring from the mcb then make it a radial ?

DPG · Apr 25, 2024

mainline said:
Then in my opinion it's not a spur.
If it was taken from a point on the ring then it would be a spur.

Would disconnecting the ring from the mcb then make it a radial ?

It is just a part of the ring though - a spur as per the regs.

Yes if you removed the whole ring then it would become a radial with one point.

mainline · Apr 25, 2024

DPG said:
It is just a part of the ring though - a spur as per the regs.

Yes if you removed the whole ring then it would become a radial with one point.

It's not part of the ring it has its own source.

DPG · Apr 25, 2024

mainline said:
It's not part of the ring it has its own source.

You need to look at Appendix 15 section A in the regs. It clearly states 'An unfused spur may be connected to the origin of the circuit in the distribution board'.

mainline · Apr 25, 2024

DPG said:
You need to look at Appendix 15 section A in the regs. It clearly states 'An unfused spur may be connected to the origin of the circuit in the distribution board'.

It also says that a spur is : a branch from a ring or radial final circuit.

DPG · Apr 25, 2024

mainline said:
It also says that a spur is : a branch from a ring or radial final circuit.

Which it is, yes.

davesparks · Apr 25, 2024

mainline said:
Then in my opinion it's not a spur.

Great, but that is not what it says in the regulations or the supporting publications. An EICR should be carried out in accordance with the regulations, not the opinion of a faceless stranger on a forum.

davesparks · Apr 25, 2024

mainline said:
It's not part of the ring it has its own source.

No it doesn't, it all comes from the same source.

The ring and the spur are all connected to the same OCPD, therefore it is all the same circuit.

davesparks · Apr 25, 2024

mainline said:
It also says that a spur is : a branch from a ring or radial final circuit.

Yes and that branch can be connected anywhere in the circuit.

A spur can be connected to any part of a ring circuit, either at a point , a joint box in the cable or at the OCPD.

Lucio de Godoy · Apr 25, 2024

Hi All;

Thank you for your support, suggestions & comments.

The picture below is an extract of the new quote, which went from £1,680 (inc of VAT) to £480 (inc of VAT).

Any thoughts on the new quote pls?

Thanks

Lucio

[ElectriciansForums.net] EICR - Help on my Request for Electrical Safety Alternatives and Quotes

mainline · Apr 25, 2024

DPG said:
You need to look at Appendix 15 section A in the regs. It clearly states 'An unfused spur may be connected to the origin of the circuit in the distribution board'.

Appendix 15 is informative, not normative, and therefore does NOT form part of the Wiring Regulations.

Nobody is saying it can't be, my point is that when a (spur) is taken from the ring final's ocpd rather than from a point on that ring, it's more like a radial.

Apart from sharing the same ocpd it has no relation to the load of the ring.

If the ring was cut, would this then be 3 radials ? or 3 spurs ?

buzzlightyear · Apr 25, 2024

davesparks said:
not the opinion of a faceless stranger on a forum

wow daveboy ,i nearly spat my dinner over the screen ,you are not calling him Mr invisible with long fingers typing away, i cant see you .

mainline · Apr 25, 2024

Ring and radial together in the same mcb.
Shouldn't he have said ring and spur ???

EICR - Help on my Request for Electrical Safety Alternatives and Quotes

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