Garage installation

[Robc77]

So I’m installling a garage DB 63a 30ma RCD
With. 6a and 32a mcb Using 2.5 swa from the consumer unit what would the rated needed for protection on the house DB?

 

[telectrix]

is the 2.5mm SWA alreadyinstalled?or are you installing it?

 

[Robc77]

Yeah is currently a spurred cable off a ring 32a mcb in the DB than 2.5 to the spurred fused switch then the swa running to the garage the a nother fused switch with a spurred double socket and a single light and switch
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Sorry mA, pig ---- for fingers

 

[telectrix]

in that case it'd poor practice to fit a sub main in the garage. you're stuck with what you have.

 

[Robc77]

In that case I was going to give it its own 20a mcb in the DB??

 

[radiohead]

If it's currently fed off a ring through an FCU whats the issue? If you are only running a 2.5mm SWA then there cant be a lot of load??

 

[Robc77]

No but wanted to increase to 3 double sockets on radial and a addition lamp

 

[radiohead]

No but wanted to increase to 3 double sockets on radial and a addition lamp

Nothing to stop you adding as many sockets as you want, maximum load will be 13a but generally that's ample capacity for a garage, unless you have a couple of freezers and a tumble dryer for example

 

[Robc77]

Ok cool no only one little chest freezer! Think I need to sort this first
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[DefyG]

Yes, unlikely any RCD protection to existing sockets/circuits!