Ukuba uthenga isithuthi sombane, uya kufuna ukusihlawulisa ekhaya, kwaye ukuba uyasebenza, oko kungathetha into enye kuphela: inkqubo yokutshaja yeNqanaba lesi-2, eyenye indlela yokutsho ukuba isebenza kwi-240. iivolthi.Ngokwesiqhelo, olona luhlu lunokuyongeza nge-120-volt yokutshaja, ebizwa ngokuba yiNqanaba loku-1, ziimayile ezi-5 kwixesha leyure enye...
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