Sleeving

[Craigie]

Is it necessary to sleeve cables in new colours when doing CU change?

 

[UNG]

Can't think of any reason why you would if you sleeve the cables in the new CU do you then sleeve the cables at all of the accessories

 

[Jason Smith]

No. You only need to sleeve to show a wire is not what its colour says it is. (usually in lighting systems). An interesting point is when you have to work on a light switch that was never sleeved and the cables are in red and black, do you sleeve the black in red, or is brown ok ?- lol my inspector had no answer and really it is a pathetic point as long as thecable is sleeved in brown to show it as a live then I see no problem. Any one who doesnt know that both cables in a switch arelive are unlikely to know what coloured sleeving means anyway and shouldnt be in there !

 

[Sintra]

Where the installation contains wiring colours to two versions of BS7671 a warning notice must be fixed on or next to the ccu. 514.14.1
No need to sleeve old coloured cables.