O lenei Tester e tuʻufaʻatasia galuega faʻataʻitaʻi o le eletise eletise (ACW), faʻafefe o le eleele, faʻamalama faʻafefe, Leakage i le taimi nei, malosi ma isi, mo suʻega vave ma saʻo o faʻamatalaga o loʻo i luga, e talafeagai mo le suʻega saogalemu i le fanua o fale gaosi mea, fale suʻesuʻe ma tulaga lelei asiasiga matagaluega.

Fa su'esu'ega fa'atasi o le tete'e o le voltage, leka, fa'atinoga amata ma le malosi.