How many trainees per job site are authorized to work under the supervision of a licensed technician?

The correct response indicates that three trainees per job site are authorized to work under the supervision of a licensed technician. This regulation is in place to ensure that training is effective and manageable, allowing the licensed technician to provide adequate guidance and oversight to the trainees. Having a defined limit on the number of trainees helps maintain the quality of instruction and ensures that safety and compliance standards are upheld on the job site. This structure allows the technician to better observe and mentor each trainee, ensuring that they are learning the necessary skills and adhering to safety protocols effectively. Such limitations are common in training and apprenticeship programs to promote an effective learning environment.