Whats the best way?

[steviez]

I would think spurring from the ring at the consumer unit in 2.5 mm would be the simplest solution; you won't have the problem of adding a new circuit, it will save you messing about extending the ring, and if you ever want to add more sockets to the spur you can easily adapt the wiring in the cu so it's on it's own circuit.

So to do this I would simply connecto the cable to the MCB and spur off it that way rarther than taking it from one leg and returning it so it all stays in the ring? there will only ever be the one more socket there

 

[sparkwright]

I would think spurring from the ring at the consumer unit in 2.5 mm would be the simplest solution; you won't have the problem of adding a new circuit, it will save you messing about extending the ring, and if you ever want to add more sockets to the spur you can easily adapt the wiring in the cu so it's on it's own circuit.

So to do this I would simply connecto the cable to the MCB and spur off it that way rarther than taking it from one leg and returning it so it all stays in the ring? there will only ever be the one more socket there

Assuming it is a ring, and you currently have two wires at the mcb (and neutral and earth block), you can spur from this with a new cable going to the new socket. So you will now have three cables at the cu, and one cable at the new socket.

 

[steviez]

I would think spurring from the ring at the consumer unit in 2.5 mm would be the simplest solution; you won't have the problem of adding a new circuit, it will save you messing about extending the ring, and if you ever want to add more sockets to the spur you can easily adapt the wiring in the cu so it's on it's own circuit.

So to do this I would simply connecto the cable to the MCB and spur off it that way rarther than taking it from one leg and returning it so it all stays in the ring? there will only ever be the one more socket there

Assuming it is a ring, and you currently have two wires at the mcb (and neutral and earth block), you can spur from this with a new cable going to the new socket. So you will now have three cables at the cu, and one cable at the new socket.

The reason im asking is my previous boss ALWAYS made me keep it in a ring where ever possible and it is here. Would i spur off it with 2.5 or 4mm?

 

[sparkwright]

It is good practice to extend the ring as you describe, and you can certainly do this if it is practical to do so.

You can provide a spur from a ring in 2.5, but it musn't serve more than one socket. This can be a single, double or even a triple (a triple must have an integrated 13 amp fuse).

 

[steviez]

It is good practice to extend the ring as you describe, and you can certainly do this if it is practical to do so.

You can provide a spur from a ring in 2.5, but it musn't serve more than one socket. This can be a single, double or even a triple (a triple must have an integrated 13 amp fuse).

Thanks for your help, I will take a look at this at the weekend

 

[ban-all-sheds]

What size cable do you use for a 32A RFC?
I thought it was rule of thumb?

No - it's a minimum of 2.5mm² (or 1.5mm² MICC) AND with a minimum CCC given the way it's installed of at least 20A AND where no section of the ring will carry more than Iz for long periods.

 

[PrenticeBoyofDerry]

What size cable do you use for a 32A RFC?
I thought it was rule of thumb?

No - it's a minimum of 2.5mm² (or 1.5mm² MICC) AND with a minimum CCC given the way it's installed of at least 20A AND where no section of the ring will carry more than Iz for long periods.

Thanks bas, I am a little wiser.
433.1.5