11kV ABB ZS1 Feeder Panels, Type VD4/M, 630A, 31.5kA/3Sec, 2500A Busbar, 12/28/95kV BIL, 110V Control & Spring Charge Motor, for Black River Incl. Partial Discharge Testing as per AS 62271-200(Annex B - Procedure A) with Acceptable Limit of 10pC to be applied to 4 x Panels one at a time