Li-alloys tsa tungsten tsa silevera li na le silevera e pakeng tsa 15-70%.Li sebelisoa haholo bakeng sa likhokahano tsa motlakase — ka kakaretso lisebelisoa tse boima haholo tse tlas'a maemo a holimo,
joalo ka khokahano e sisinyehang bakeng sa li-circuit-breakers lipakeng tsa 100 le 800 A, li-leakage breaker, ho hokahana ho sisinyehang bakeng sa sehahlauli sa moea pakeng tsa 1000 le 10000 A, li-thermostats, li-circuit breakers, khokahano ea arcing bakeng sa li-contactor tsa boholo bo boholo, li-circuits tse bōpiloeng le tse boima. -jarisa li-contact tsa AC / DC, joalo-joalo.