This link may help you: https://electronics.stackexchange.com/questions/246894/how-to-measure-an-15-kv-electric-fence-to-0-5-v-analog-input-of-a-arduino That was for an electric fence, operating at 15kV.
Be sure of your grounds before powering it.
This link may help you: https://electronics.stackexchange.com/questions/246894/how-to-measure-an-15-kv-electric-fence-to-0-5-v-analog-input-of-a-arduino That was for an electric fence, operating at 15kV.
Be sure of your grounds before powering it.