Ever wonder about the safety of working on EVs and where/when you will encounter dangerous high voltage components? Here’s a short, but great, piece by Robert in New York that addresses one specific aspect of this safety question: how quickly does high voltage power dissipate in an EV after the safety interlock circuit is disconnected? In other words, how soon can I safely interact with high side components after the high voltage battery is taken out of play? Armed with a scope and some help from local tech students, he did the math so you don’t have to.
If you’re working on EVs in your operations, or plan to in the future, this is very helpful.
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