supply of protection board and winding / oil temperature indicator. supply of protection board and winding / oil temperature indicator under edc, etah , supply of protection board of size 15 x 15, consisting 3 no. zero watt bulbs with holders, 3 no bells, 3 no. on-off switchs and single phase mcb, all fitted with wooden board with complete wiringto save the power transformers from damages by indicating alarm for winding / oil temperature, alarm for low oil level and alarm for buchholzs relay. all the meterial should be of reputed make, as per requirment of tendering authority / supervisory engineer. , supply ofwinding temp. and oil temp. ( dial type ) indicator in pair with + / -2°c accuracy, capable of temperature monitoring, indication & control for the protection of transformers from 1 mva to 10 mva rating as per requirment of tendering authority / supervisory engineer.