SPL e tsoang Chaena, ke moetsi le morekisi oa li-transformer tsa motlakase, li-compact substations le li-switchgears, haholo-holo litsebi tsa lihlahisoa tsa motlakase tse hlophisitsoeng. Lihlahisoa tsa rona tsa mantlha tsa switchgear ke Low Voltage switchgear, Indoor AC Metal Clad Intermediate switchgear le Metalclad AC Enclosed switchgear.