Beginner Question Thread! 2023 Edition

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20S antispark ? - AS150 gets blown

So trying to understand the benefits of these Flipsky and Maytech antisparks. Once the connection from the battery is made to the ESC all is good right (as in antisparks won’t matter at this point)? And when you turn on and off the ESC (maybe via a switch connected to the ESC) there cannot be a rush of current because it’s already connected, right? It’s when we connect and disconnect the battery to the ESC that the rush can happen and damage the ESC? Or am I missing an important step here?

Maybe I should ask this here