You can use single core cables but they must be insulated and sheathed or they must be installed in conduit or trunking
Answered by Dave, Electrical Safety Expert
You can use single core cables but they must be insulated and sheathed or they must be installed in conduit or trunking.
If you are not a registered electrician we would urge you to use one for this type of work. You can find one at www.electricalsafetyfirst.org.uk/findanelectrician