Can you take 2 phases to a consumer unit?

Gigsy · May 15, 2018

Hi,

I am training to become and electrician, I have passed my C&G level 2 exams. I am working as an electrical improver.

I came across a consumer unit today, which has two main switches and two phases L2 and L3 supplying it.

Does this board comply with regs?

Can you take 2 phases to a consumer unit?

[ElectriciansForums.net] Can you take 2 phases to a consumer unit?

Risteard · May 15, 2018

Is it rated for 400V and 25kA?

PEG · May 15, 2018

Hi,is there a "handy" single point of isolation?

Gigsy · May 15, 2018

PEG said:
Hi,is there a "handy" single point of isolation?

There is a single point of isolation at the main DB.

Gigsy · May 15, 2018

Risteard said:
Is it rated for 400V and 25kA?

It is just a consumer unit. A metal box cant be rated for 400v.
The switches are rated correctly for the voltage and current they are being used for.
There is a 400v warning sticker on it.

The Ghost · May 15, 2018

Oh actually I can just about see it now. I mean the phase colours.

Gavin John Hyde · May 15, 2018

The cable dressing police will be along in a moment to comment on the untidy cables....

Gigsy · May 15, 2018

Vortigern said:
Oh actually I can just about see it now.

The right switch they are using a black conductor L2, the left switch they are using a grey conductor L3. Both conductors are identified as line conductors , by brown tape?

Octopus · May 15, 2018

Gigsy said:
There is a single point of isolation at the main DB.

Which is where?

Risteard · May 15, 2018

Gigsy said:
It is just a consumer unit. A metal box cant be rated for 400v.

An enclosure and assembly absolutely can be rated for 400V or not as the case may be.

The Ghost · May 15, 2018

Ok well I am thinking why are there three neutrals on the first block on the right does this mean the neutral will be switched off with the first main switch, it is a bit hard to follow where the three neutrals go.

Risteard · May 15, 2018

Also I notice that 6kA rated devices have been used.

Gigsy · May 15, 2018

Murdoch said:
Which is where?

At the front of the building

buzzlightyear · May 15, 2018

that is not what I call coacher ,wrong board their boy .

westward10 · May 15, 2018

Dual tariff board?

Can you take 2 phases to a consumer unit?

Gigsy

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Risteard

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PEG

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Gigsy

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Gigsy

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The Ghost

Gavin John Hyde

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Gigsy

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Octopus

Risteard

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The Ghost

Risteard

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Gigsy

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buzzlightyear

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westward10

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