전기실무 - 스위치용량(부하용량 계산법), 스위치 접점에 걸리는 전류의 차이

1. Single-phase light load calculation method
2. Regarding Switch Capacity
3. Difference in current at each switch contact point
I made a video of something. It's related to electrical safety. If you're a beginner, please watch it and understand it.