Tooj liab nickel alloy, uas tsis tshua muaj hluav taws xob tiv taus, zoo tiv taus kub thiab tiv taus xeb, yooj yim rau kev ua thiab ua cov hlau lead welded. Nws yog siv los ua cov khoom tseem ceeb hauv thermal overload relay, tsis tshua muaj kev tiv taus thermal circuit breaker, thiab cov khoom siv hluav taws xob. Nws kuj yog ib qho khoom siv tseem ceeb rau hluav taws xob cua sov cable. Nws zoo ib yam li s hom cupronickel. Yog tias muaj Nickel ntau npaum li cas, qhov saum npoo yuav dawb dua.