That's why I always wear rubber slippers when placing my hands in the water. You don't want to be the pathway to ground if there is a current leak. Rubber slippers not 100% but will help. Sent from my CLT-L29 using Tapatalk
If there are no electrical component connected to the tank, it is impossible to get stray voltage. Get a better electrician. Sent from my CLT-L29 using Tapatalk