Kitchen Wiring Diagram - We feature 2000+ electronic circuits, circuit diagrams, electronic projects, hobby circuits and tutorials, all for FREE! Since 2008 we have been providing simple to understand educational materials on electronics for engineering students and hobbyists alike.. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources.Unsourced material may be challenged and removed. (September 2010) (Learn how and when to remove this template message).