The Lineman Passbook® prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: basic principles of electricity; tools of the electrical trade; operation of mechanical and electrical devices; installation and maintenance of electrical distribution pole lines; knowledge of transformers, conductors, overhead lines, underground lines, equipment and safety, grounding methods, service drops and laterals, poles and structures, electric supply stations; and more.