I'm not an electrical engineer, but from watching this video [0], there seem to be about a million and a half different mechanisms to prevent sparks from charge

I'm not an electrical engineer, but from watching this video [0], there seem to be about a million and a half different mechanisms to prevent sparks from chargers. [0] https://www.youtube.com/watch?v=RMxB7zA-e4Y https://www.youtube.com/watch?v=RMxB7zA-e4Y