Resources Clifford Power has assembled technical resource information to help guide you through your generator project. Whether you are an engineer, a contractor or an owner, we are here to support you and ensure your project runs smoothly. Technical Sheets Manuals & Warranty Info How to Install / Installation Guides Checklist for Startup Generac’s Power Design Pro If you have additional questions, you can contact our knowledgeable power professionals at (800) 324-0066 or through email at info@cliffordpower.com.