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Sales Support

At WINCO, we believe that you should be able to contact us when you need us. During business hours we are quick to answer the phone with live customer support. We don't think you should have to conquer an automated answering machine just to get your questions answered. We will respond to your needs through phone, e-mail, social media, fax or to stop by for a visit. Enjoy the resources on our website and feel free to contact us with questions and/or suggestions. Remember, there is no substitute for competent advice from a licensed electrician or  an appropriate professional.

Phone: 800-733-2112
Fax: 507-357-4857
E-Mail: sales@wincogen.com
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Generator Selection and Sizing

Signs of Overload

Sizing Guide

Average Wattage Guide

Sizing Worksheet

Noise Information

Winco Measurement Standards

Noise Level Comparison Chart

Electrical Terms and Principles

How Generators Work

Circuit Breaker Guide

Electrical Terms

Electrical Formulas

Codes and Regulations (Consult authority having jurisdiction for specific installation requirements)

Underwriters Laboratory (UL)


National Fire Protection Association (NFPA)

NFPA 70 National Electric Code (NEC)

NFPA 110: General information for critical facility generator installation and maintenance.