Originally Posted by ANNEMARIE
Hi i would like to know in the UK 11kv system there are no fuses used ever is that right? is it just air circuit brakers and section switches and is the same true for underground systems.

Hi AnnMarie,
I'm not sure where you got that idea from, but there are always fuses in an 11kV distribution system.
These fuses protect lines and transformers and are normally in the form of Drop-Out fuses mounted up on the cross-arms of power poles where a new section of circuit starts.