It depends on the speed. If you have them set at the highest speed, then after a few swipes they will lose power wherever they are. I believe the wiper circuit has circuit breakers like the power windows, but I'm not certain.
For shi*ts & giggles, watch a parked but running car with the wipers on maximum. Quite a violent action, I must say.
It happened in my 08 since I left the wipers on auto in a storm with the car in my driveway. I thought someone was trying to break into it by rocking it.