1 , good quality 2 , reasonable price 3. -40 ... inside and outside of building and equipment with high mechanical requirements and extreme weather conditions .For permanent ... made of electron-beam cross-linked insulation and coating; high resistance against heat , cold, oil, abrasion, ozone ... , extremely mechanically robust, very long lifetime. Solar cable for solar power connector,2.5/4/6mm2(10/12/14AWG) ...