Ukondla ngamandla, isignali, kunye nedatha yimfuneko yakudala kubunjineli bombane kunye nokwakha iiphaneli. Izinto zokukhusela, inkqubo yoqhagamshelo kunye noyilo lweebhloko zesiphelo zezona zinto zahlulahlulayo. Ibhloko yesiphelo sesiphelo sendlela ifanelekile ukujoyina kunye/okanye ukudibanisa i-conductor enye okanye ezingaphezulu. Zinokuba nenqanaba elinye okanye ngaphezulu loqhagamshelo elikwi-potential efanayo okanye eligqunywe ngobushushu obunye.