This book will not disappoint！ If， like me， you are not a construction or electrical professional， and you are looking for a step by step guide for planning， purchasing and installing your solar system， you've found the right book。 I was so pleased with the explanations， suggestions and tools provided in this book。 I would recommend it to anyone considering solar for your home， pool， RV or other utility building （like a barn）。 The book contains， in laymen's terms， exactly what the title says。 Di This book will not disappoint！ If， like me， you are not a construction or electrical professional， and you are looking for a step by step guide for planning， purchasing and installing your solar system， you've found the right book。 I was so pleased with the explanations， suggestions and tools provided in this book。 I would recommend it to anyone considering solar for your home， pool， RV or other utility building （like a barn）。 The book contains， in laymen's terms， exactly what the title says。 Disclaimer: I received a free copy of this book via Booksprout and am voluntarily leaving a review。 I was seeking out a book on this subject and I don't need to look any further。 So helpful！ 。。。more