Talk:Nuclear Reactor/@comment-108.46.5.47-20120718113201/@comment-5196483-20120718154506

Depends on how much current you are sending through it. Glass fibre if it isn't EV (Over 512 EU/T). Glass fibre will have very little energy loss. If it is EV, use an HV transformer, or use HV cables, which lose quite a bit of electricity.