Here is a video on high voltage circuit breaker evaluation and maintenance. More then you ever wanted to know I'm sure. https://www.youtube.com/watch?v=PKXPeTv

Here is a video on high voltage circuit breaker evaluation and maintenance. More then you ever wanted to know I'm sure. https://www.youtube.com/watch?v=PKXPeTvmVQg https://www.youtube.com/watch?v=PKXPeTvmVQg These systems are complicated, hard to maintain and expensive.