In a small number of states or cities, pile driver operators are classed as crane operators. In those locations, operators must earn a separate crane operator's certification. Most localities recognize certification by the National Commission for the Certification of Crane Operators, or NCCCO, but a few administer their own examinations.
An apprentice electrician will work with a licensed electrician and will perform any duties that are instructed. The apprentice will help the licensed electrician to install and maintain electrical systems. When repairs are needed, the apprentice will carry these out.