I have wired for my HPWC but it will not be available when the car is delivered. The electricians placed a NEMA 14-50 plug for now. Ordinarily this plug would be limited to 40 amps continuous. Will the Model S pull only 40 amps or will it pull 50? How dangerous would it be? It is on a 100 amp breaker. Later it will be replaced by the HPWC.