To safely install an electric water heater, a wiring diagram is required. This diagram features detailed instructions for wiring a hot water heater so that it can properly heat the home's supply of water. It provides information on which cables should be connected to which terminals, as well as specifications on the proper voltage and amperage ratings for each connection point. With its comprehensive diagrams, clear directions, and helpful tips, an electrical wiring diagram is essential for any homeowner looking to hook up their new hot water heater system safely. Use EdrawMax to download this template. EdrawMax lets you customize such templates to the fullest from the built-in templates and style options.