I am installing a hot tub outside that requires 220v I have purchased the electical cable that is spected by the Hot tub manufacture, the appropriate conduit (PVC), a emergency shut off switch and the gfci breaker. What I need from someone is to just give me a basic walk through. Starting at the tub, I have it connected correctly, the cable then goes the the ourside shut off, which is a basic in and out, toggle to shut off. From there it goes to the main service panel GFCI. Any help?, and yes I do know enough to shut off the main power switch when any work is being done.