H-waya matsa gabaɗaya ana amfani da shi a cikin babban ƙarfin lantarki da ƙarancin wutar lantarki na hasumiya mai tsalle, layin reshe, layin jagora, layin gida, layin shigarwa da sauran haɗin matsi na waya, dacewa da haɗin haɗin aluminum ko -copper waya.
