Thank you for the diag. I have a question. Can I run a single copper wire from main panel to spa panel to add ground. Then using 8 gauge wire that all ready exists would run black wire to spa breaker, red wire to spa breaker, white wire to neutral buss bar, copper wire to ground buss bar and...
I am wanting to build an EBIAB system with 240V element to PID controller. I currently have a 8 gauge 3 wire going to electric oven in basement that Im taking out. I want to run the 3 wires into a spa GFCI panel and then into brew controller. I have looked through many posts on this subject and...