Honeywell HW5500 Owners Manual - Page 18

Using Generator for Backup Power Using Generator for Backup Power Before connecting to building's electrical system, consult your local utility company or a qualified electrician. Improper connections to a building's electrical system can be deadly. Electrical current from generator to feedback into utility lines. Such feedback may electrocute utility company workers or others who contact utility lines during a power outage. Electrical current can feedback into generator. When utility power is restored, generator may explode, burn, or cause fires in building's electrical system. If you will be using generator for backup power, generator must be connected to building's electrical system through a transfer switch installed by a licensed electrician. What is a transfer switch? A transfer switch is a device that allows switching from utility power to emergency generator power. Transfer switch is either a manual switch, an automatic switch or a combination of manual and automatic. During a power outage, transfer switch isolates emergency circuits from utility line, allowing for efficient operation of generator without backfeeding onto utility. 12 www.honeywellgenerators.com HW5500/5500E Portable Generator Owner's Manual