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Why do you need to current limit HV transformers to power Tesla coils? Answered

I keep seeing websites that talk about current limiting the HV transformers to power Tesla coils and I don't know why it's done. Is it a performance, safety or consumption reason? 

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kelseymh

Best Answer 7 years ago

Primarily safety. If you don't limit the current output, then a short can (a) cause the transformer to burn out, (b) cause the object bridging the short to melt/burn/explode, (c) kill you.

Thanks I'm using a modified MOT so I don't think it'll burn out but it would certainty explode something or kill you.