Board Thread:Questions and Answers/@comment-86.168.109.83-20130326204137/@comment-6294495-20130326210638

It really depends on the size of the reactor and configuration of the uranium rods. If you have all six chambers connected to the reactor, yes, use a HV transformer, just in case. If you have no additional chambers you should be fine hooking up an MFE without any Transformers. Make an EU Reader and check energy levels so you know what to do if you add on to the reactor.