Hai everybody
i am shiva now iam working in Aster Teleservices at Hyd
BOIA,E1/RRI,BB2F,ETRX,WCGA,DVDC,M2LA.DVJA,BB2A,BIO,EDGE,TSDA, TSDB, TSGA, TSGB, …
Can any budy plz give me
abbreviations of above equpments and also tell me
why the +ve wire connected to the earth in rectifire panel