[O.C & S.C . TEST ON A SINGLE PHASE TRANSFORMER, COMPLETE SET UP WITH PANEL BOARD WITH BUILT IN VARIABLE SUPPLY ARRANGEMENT, 1KVA TRANSFORMER & TWO PORTABLE WATTMETERS.] O.C & S.C . TEST ON A SINGLE PHASE TRANSFORMER, COMPLETE SET UP WITH PANEL BOARD WITH BUILT IN VARIABLE SUPPLY ARRANGEMENT, 1KVA TRANSFORMERS & TWO POTABLE WATTMETERS – GUPTA BRAND ( 100000001 )