 Commercial Generator Guide
Select the Right Voltage
Your Electrical Panel Holds the Voltage Secret
The utility power into your house is “single-phase.” It powers all of your 120/240 volt household electronics and appliances.
The utility power into your business is typically “three-phase,” which supports a larger electrical demand.
How do you tell? Take a look at your main electrical panel.
For many facilities, the electricity enters a building at 120/208 or 277/480 volts into the first electrical panel, which typically powers high-voltage equipment used in a warehouse or manufacturing facility.
A step-down transformer can convert the incoming utility voltage into 120/240 or 120/208 volts. A second electrical panel will distribute the electricity throughout the office area.
Your best bet is to purchase a generator that matches the incoming utility voltage. This way, you can restore power to both electrical panels.
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