Discuss shower priority unit positioning in the UK Electrical Forum area at ElectriciansForums.net
I've no idea about the installation conditions, but 16mm seemed unusual for the stated load. There may be valid reasons for using this size, but none that immediately jump out at me.
The use of 5 core cable for 2 circuits isn't particularly unusual, provided ADS is satisfied.
do you think 10mm would work?I've no idea about the installation conditions, but 16mm seemed unusual for the stated load. There may be valid reasons for using this size, but none that immediately jump out at me.
The use of 5 core cable for 2 circuits isn't particularly unusual, provided ADS is satisfied.
do you think 10mm would work?
How did you calculate that you would need 16mm? If 16mm is the figure that was calculated to be required, then no 10mm would not work.do you think 10mm would work?
Why are you using 16mm cable?
I was told that would be the way to go
I'm doing most of the work myself including putting in an armoured 16mm cable which is about a 30 m run and will get everything signed off when completed i understand why I need the priority unit , there's 9kw shower going in the annex and the main fuse won't support 2 showers, my question is can I run an 16mm 5 core cable to supply both shower directly and annex cu, the other circuits at lights 6amp sockets 32amp cooker 32amp smoke alarm 6amp
I would use the 16mm 5 core.do you think 10mm would work?
He could take the 5 core to one CU and feed the shower from there.If the main fuse won't support 2 showers will it support 1 shower and 2 cookers?
Whilst a single multicore cable can be used for multiple circuits this would usually only be done when those circuits are terminating in the same place. In this case you would need to joint the 5 core cable onto 2 other cable, one to go to the CU and one to go to the shower, this just adds an unnecessary and ugly joint to the installation.
Also why would you use 5 core SWA for 2 circuits?
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