Hazardous location

[Raccoon 3]

Commercial garage car repair customer ran 4 wire SER cable from main panel to the outside of building along the ouside to a sub panel in an addition. is this permitted.

 

[Buck Parrish]

Even in residential in most cases it would not be compliant. Depending on how the Ser is protected.
See NEC Art 511 for different types of commercial garages and wiring methods.