Hot tub hook up? I tried to hook up a hot tub, I have 2 hots,...

I tried to hook up a hot tub, I have 2 hots, 1 indeterminate and 1 ground coming in but the hot tub single has connections for 2 hots and the ground, is nearby a way to hook this up lacking a neutral in code guidelines.
Mastic asphalt sub-floor problem?
Answers:    Your hot tub is 220 volt only, next to no need for a colourless because nothing contained by it is running on 110Volts.

Use your two hots and your earth ground.

Verify correct cable size and service "breaker" for the hot tub. Breaker should be a ground fault, commonly call GFI, GFCI.
The little round plastic bonnet that shows the...
I hooked mine up just similar to John said.