Inqwaba yokutshaja emarikeni inokwahlulwa ibe yinqwaba yokutshaja ye-DC, inqwaba yokutshaja ye-AC kunye nenqwaba yokutshaja ephathwayo ngokwendlela yokutshaja. Ukongeza, inkampani yethu ikwabonelela ngezinto zokutshaja, ezifana ne-adaptha, isibhamu esineentloko ezimbini, indawo yokugcina amandla ephathwayo, njl.