・Second-Class Electrician's License Theory Exam "Sweet Pass" → List Price: ¥2090 ・Theory Past Questions → List Price: ¥1111 This is a set of two books. 2025 edition. They are very easy to understand, and I was able to pass the theory exam without any problems! They are used and were passed on to me, so there is some wear and tear, but it doesn't affect their usability. Highly recommended study guides!