The Electrician's Helper 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: materials, tools and equipment used in electrical work; safe working practices; basic electrical skills, good housekeeping practices; maintain and cleaning machines, tools and equipment; basic principles of electricity; electrical calculations; diagrams, schematics and plans; and more.
