PA has no state licensing. Phila. has a 4 hour NEC-based exam with some theory. The test was administered (in 1990) by the National Assessment Institute, which, for some reason, I believe is now Experior( I could be wrong on that). The suburbs have, for the most part, no testing. That's right, pay the fee, pencil-whip the form, and you, joe-shmoe, are a licensed Electrical Contractor.