Material suitability for electrical insulation
There are certain rules for insulation materials used in low voltage applications. These are defined in standards. The (decisive) basic standard is IEC 60664, which specifies minimum requirements for voltages up to 1000VAC / 1500VDC and nominal frequencies up to 30 kHz.
The future of the power supply will be DC
A provocative and still visionary statement - at the beginning of 2018. But the first steps in this direction have already been taken several years ago. And those benefits are slowly spurring the restrained market participants.