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Extending cables from existing consumer unit

vantech

Hi,

I have an existing install which has a single consumer unit for an entire house. I have added a battery storage system with a backup board and need to move over various circuits so they remain ON during a power failure. 

There is a length of large trunking across the top of both units. I have 2 options to bring the cables into the new board: 

1) Join the cables inside of the trunking - my question here, are WAGO connectors ok? The plastic lid can only really be removed with a tool or very strong hands! 

2) Run a length of trunking under both units, and then extend from the existing consumer unit into the new one. In this instance, the cables will be jointed in CU1 and terminated into CU2. Is this compliant? 

My preference would be an external JB but this is very difficult given the location. 

Thanks. 

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    As ever, a picture would help.

    If it is the sort of 2 inch trunking which I have at home, I reckon that a tool is usually needed to get started, so I would be happy to consider that it is a suitable enclosure.

    Wago boxes only become maintenance-free once you lock the top with a cable clip. You could put some round the trunking if you are worried about the use of a tool to open it.

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  • 0

    As ever, a picture would help.

    If it is the sort of 2 inch trunking which I have at home, I reckon that a tool is usually needed to get started, so I would be happy to consider that it is a suitable enclosure.

    Wago boxes only become maintenance-free once you lock the top with a cable clip. You could put some round the trunking if you are worried about the use of a tool to open it.

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