Inkcazo emfutshane:

Iibhodi zokusasaza ze-HDB-A ziyafumaneka ngesixhobo sokufaka umthwalo osisigxina okanye ipani yomthwalo ehlukanisiweyo. Zinomnyango wesinyithi ofakwe ngokupheleleyo onendawo yokubamba efana ne-"slam". Zonke iibhodi zihanjiswa ngeebha zeNeutral kunye ne-Earth kwaye i-neutral yenzelwe ukugubungela isixhobo esingenayo ukuqinisekisa ukuba kukho indawo eyongezelelweyo yocingo kwizixhobo zokukhupha. Isixhobo esingenayo kufuneka sikhethwe kwaye sifakwe ngumfaki. Iipleyiti ze-gland eziphezulu nezisezantsi ziyasuswa kwaye ziquka i-knock-outs ukuze zilungele ubungakanani obuqhelekileyo bemibhobho. I-nan ishwabene ngokupheleleyo kwaye i-hushart incinci kakhulu, oku kuqinisekisa ukuba i-nn "hot snots? iqhume ngenxa yokuba akukho majoyinti oomatshini. Iibhodi zichanekile kwi-BSEN 60439-1 &3.