This is an answer key for the 2020 edition of the Class 2 Electrical Engineer written exam, containing problems and explanations from the past 10 years. - Title: Class 2 Electrical Engineer Written Exam Standard Answer Key - Edition: 2020 - Publisher: Ohmsha - ISBN: 978-4-274-50748-6 - Contents: All questions and answer explanations from the past 10 years Thank you for looking. There are some writings inside. Returns are not accepted!