Advantage NRG is a specialist, labour only, sub-contractor using its own skilled labour force to build and maintain electrica ... l transmission systems. Working in self sufficient teams of 6 or 7 to undertake wiring/re-wiring, earthing, Q&A, de spacering, re-spacering, insulator changing, blocking, clipping in, plus associated tasks such as renewal of step bolts, anti-climb devices and name/colour plates. read more