Can anyone clarify the requirements regarding the fusing of both line and neutral supply conductors? It seems that where ( 230V) equipment is powered from a supply where the neutral is connected to earth then a fuse should not be fitted in the neutral. This is the situation in Europe. In the US this equipment may be powered from a 208V supply which does not earth the neutral (often the situation in labs). Should both line and neutral be fused in this case?
Appreciate any comments, Philip Tatterton
