Ukuthola umkhiqizi kanye nomphakeli wezibani zama-voltage aphansi olungile kubalulekile ukuze uzuze umklamo owufisayo wokukhanyisa. Ikhwalithi, izinketho zokuklama, ukwenza ngendlela oyifisayo, ukonga amandla, ukuphepha, kanye newaranti konke kufanele kucatshangelwe lapho wenza isinqumo sakho. Ngomhlinzeki onokwethenjelwa, ungakwazi ukujabulela ukukhanya okuhle nokusebenzayo kwamandla kagesi aphansi okuthuthukisa ukubukeka kwesikhala sakho kuyilapho wonga amandla nemali.