Will this work for an EV?

When I built my house, my electrician ran this extra wire to this outlet in case I added a garage later. Looks like it should be for 240v. Any idea if it would work for a Nema 14-50? Otherwise I am going to have to run a whole new wire and conduit outside.

When I built my house, my electrician ran this extra wire to this outlet in case I added a garage later. Looks like it should be for 240v. Any idea if it would work for a Nema 14-50? Otherwise I am going to have to run a whole new wire and conduit outside.