What does that mean. A contractor is paid more per hour than an employee. I don’t understand what a per hour project manager would be paid compared to an salari

What does that mean. A contractor is paid more per hour than an employee. I don’t understand what a per hour project manager would be paid compared to an salaried employee, I’m pretty sure to be on an hourly rate you would be a contractor. I’m sure there are jobs that have an hourly rate like plumbing