I have a friend that has a cal hot tub, that has for the last 4 years randomly tripped the 50amp gfci breaker. the breaker,2 heating elements,heater relay have been changed, and I rewired it from the panel with 6 copper wire.the hot tub man has no idea and neither do i. it trips the breaker all the time...any ideas on what to do would be very much appreciated.yes the gfci is wired correctly...thanks
concept