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The Natural Philosopher

wrote:
On 19 May,
405 TD Estate wrote:

I was assuming at 12v no current would be drawn - didn't a scrap heap
challenge team make a 12v submarine with all electrics exposed simply
because 12v is not enough volts to break down H20 molecules.

We used 25 KV at work, and used H2O as coolant at 25KV to earth. The leakage
wasn't enough to trip an RCD. The path length was a little larger than that
in 2.5mm T&E.

yes..distilled water..once you get any dissolved salts the conduction is
WAY up.