... heating conversion efficiency, power and energy conservation.9. Under operating current, the clad material is not damaged even breaking for 5 ... ω, withstand voltage is 4,500v (ac), and leaking current is less than 0.002ma. 2. When the whole wire is soaked for ... 3,750v (ac), no fire fighting or breakdown, leaking current is less than 0.002ma, and mechanical strength is more than 500mω.