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Ring Main Joint Box

PG
A kitchen worktop twin S,O, is to be relocated horizontally by about 60cm. 

The ring final cct (RFC) is cabled in buried T&E and the galv' steel back-box is flushed into the plaster/brick wall.

The RFC T&E extension cabling will be buried under plaster, covered in plastic capping along the horizontal  prescribed zone. Visually, it would be reasonable for an electrician to be aware that the route may contain cable(s).

The circuit is RCD protected.

The intent is touse insulated crimp and double insulating tape the jointed cables within the existing box to achieve a maintenance free connection, A 2mm thick (fabricated) plate was to be used to cover the back box and provide additional mechanical protection. The box would then be plastered over.


The questions are:-

1. How many would consider the steel plate back box cover a desirable feature or would a simple plastic cover suffice?

2. Should the original back box be left  unearthed?


Thanks in advance.
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    In a reception room (public room for the Scots) the sockets would usually be supplied from below, but with solid floors could be from above.


    Kitchens are rather different - the sockets are, more or less, half way up or down. I see absolutely no reason why there should not be a drop, or rise, to one socket and then the cable horizontally to the others.


    So with good reason, the OSG makes the zones up-down, left-right. I agree that if an old socket is buried, the zones might be obscured. Horizontal may be maintained, but vertical will not be.


    ETA: I think that we are all in agreement - I was typing as others were posting.
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  • 0
    In a reception room (public room for the Scots) the sockets would usually be supplied from below, but with solid floors could be from above.


    Kitchens are rather different - the sockets are, more or less, half way up or down. I see absolutely no reason why there should not be a drop, or rise, to one socket and then the cable horizontally to the others.


    So with good reason, the OSG makes the zones up-down, left-right. I agree that if an old socket is buried, the zones might be obscured. Horizontal may be maintained, but vertical will not be.


    ETA: I think that we are all in agreement - I was typing as others were posting.
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