● I-DSTB, ngesisekelo se-DST / DSY ebukhali, izimbangi zingahlonyiswa ngedivayisi yokulawula izinga lokushisa, ukuze kuphephe, ubuhle nokuba lula, sincoma ukuthi kufanele kwenziwe ngendlela ye-load bank, engakwazi ukubona ukufakwa kokushisa. ifeni yokuqothula, ukuvikelwa kokulawula izinga lokushisa, ukuvikelwa kwe-overcurrent kanye ne-overvoltage, idivayisi ye-alamu, isibonisi sedijithali esisebenza ngezindlela eziningi (ukubonisa amandla okudijithali, ukumelana, okwamanje, ugesi, imvamisa, njll.) kanye neyunithi eyodwa enezinjongo ezimbili ze-AC ne-DC.
● Amafeni, izinsimbi, izinto zokuvikela, ama-alamu, njll.ingatholakala, amafeni ngokuvamile afakwa ezansi noma angafakwa emaceleni;
● Izigaba ezimbili noma ezintathu zingavunyelaniswa ngendlela elungisekayo, iyunithi eyodwa ye-AC/DC inhloso ekabili, ingabonisa amandla, ukumelana, okwamanje, ugesi, imvamisa, njll.