moving socket and light switches

[caelan10]

i would like to move a double socket and add a new double socket below the new one also move a light switch all on the same wall which are plasterboard the exsisting cable wont stretch what size of twin and earth do i need and can i joint 1.5 twin and earth to 2.5 twin and earth thanks

 

[PrenticeBoyofDerry]

My suggestion on cable sizing, would be to use the same size CSA that exists on the circuit you are altering.
Any joints should be easily accessible for maintenance, inspection and testing purposes. You can now use MF (maintenance free) type junction boxes, that are allowed to be hidden within walls.
But if you can make the joints at the accessories, I would recommend you do that.

 

[Taylortwocities]

If you move them, then the cabling must be in recognised safe zones.
See //www.diynot.com/wiki/electrics:installation_techniques:walls

 

[caelan10]

would i be able to joint 1.5 and 2.5 twin and earth as thats all i have to use its for a double socket that will be only be getting used for a kettle or toaster

 

[PrenticeBoyofDerry]

If you are extending the circuit no, if you are are installing a 13A FCU(fused connection unit) Then cable protected by the FCU can be 1.5mm T&E

 

[Electrifying]

would i be able to joint 1.5 and 2.5 twin and earth as thats all i have to use its for a double socket that will be only be getting used for a kettle or toaster

How much do you think 2.5mm T&E costs???

5 metres will probably cost you about a fiver.

Do the job correctly, ffs!

 

[Taylortwocities]

would i be able to joint 1.5 and 2.5 twin and earth as thats all i have to use its for a double socket that will be only be getting used for a kettle or toaster

A kettle is about 13amps on its own, a toaster about 5 amps.

Quite a lot for a bit of 1.5mm² cable.

YOU might only plug one thing in to those sockets, but the next person?
Start up a washing machine and a tumble dryer and there goes your weedy bit of cable - up in flames.