To calibrate a three phase energy meter electrical panel consist of ms powder coated cabinetpanel consists of 6mm shock proof bakelite sheet.size of the panel is 36x24. on board variable power supply. energy meter panel mounted, wattmeter , voltmeter ammeter a digital stop watch. on board three phase resistive load provided.short circuit protection with the mcb. 4mm terminals to make connections sufficient nos. Of patch cords for easy connections.all parts on front panels are properly labeled.supplied with tachometer to read the speed of the motorssupplied with complete operating instruction manualall connections and circuits are properly labels for easily understanding.connections made internally.