The product is a textbook titled “Code Calculations: Based on the 2020 National Electrical Code” by the Electrical Training Alliance. It is an eBook format book that covers the subject area of Education in Electrical Engineering. The book is authored by Electrical Training Alliance and published by Electrical Training Alliance. It falls under the genre of Engineering & Technology, focusing on the topic of Electrical Engineering in general. The book serves as a valuable resource for students and professionals in the field looking to understand and apply the 2020 National Electrical Code.