Had an electrician around yesterday to look at some wiring for my loft conversion. The wiring will be 1 circuit for sockets ( TV, Hairdryer,Hoover ) , i circuit for smoke alarms, and one for lights ( about 7 or 8 bulbs )
I have a 6 way CU at the moment, 4 ways are being used. He told me i had 2 options :
1) Break into the existing upstairs light and power circuits and run the smoke alarms to the existing CU. He said that this is ok to do but it would mean more testing than the following option.
2) Install a new 3/4 way CU in the loft and run all the loft circuits from there. He suggested a 10mm cable from the existing CU protected by a 40A MCB, then a 32A ring for loft power and 2 x 6A for the lights/smoke alarms. He originally said he would use a 6mm cable with a 32A MCB but was concerned about discriminating so therefore recommended 10mm.
Does anyone have any comments ? Does the option suggested sound right ?
PS. He said he is registered with the competent persons scheme
I have a 6 way CU at the moment, 4 ways are being used. He told me i had 2 options :
1) Break into the existing upstairs light and power circuits and run the smoke alarms to the existing CU. He said that this is ok to do but it would mean more testing than the following option.
2) Install a new 3/4 way CU in the loft and run all the loft circuits from there. He suggested a 10mm cable from the existing CU protected by a 40A MCB, then a 32A ring for loft power and 2 x 6A for the lights/smoke alarms. He originally said he would use a 6mm cable with a 32A MCB but was concerned about discriminating so therefore recommended 10mm.
Does anyone have any comments ? Does the option suggested sound right ?
PS. He said he is registered with the competent persons scheme