The household connection subsidy is not specified in the budget forecasts as this is largely a choice to be decided by the municipalities. The household connection subsidy is not specified in the budget forecasts as this is largely a choice to be decided by the municipalities. The standard was expanded to allow the use of SWER directly coupled to 33 kV three-phase systems with neutral earthing compensator (NEC) earthing. Take-off points are very sparse and lines feeding less than 200 kVA are typically about 100 kilometres long (Gendenhuys & McLaren, 2007).