Learning Textbooks & Materials Set for Electrician Certification - Textbook Title: Electrical Theory - Textbook Title: Electrical Theory and Wiring Design Thank you for viewing. This is a set for the U-Can Electrician certification. The textbooks 1-4 and the additional textbook have minor scratches due to storage. Thank you for your understanding. All materials are as shown in the photos. Numbers 1-43 are complete. While I cannot offer a significant discount, I am open to discussing a small price reduction.