Boteju, H.C.Dayawansa, I.J.Perera, K.K.Y.W.2015-04-202015-04-20200815th Annual Conference of IET, (London) Sri Lanka Branch, 2008https://dl.nsf.gov.lk/handle/1/19273EnergyElectric powerAudible alarmAudible alarm to indicate excessive electric power usageConference PaperRG/2005/E/05FR 1585