Acer Aspire E1-472 - Manual (Page 11)

Basic care and tips for using your computer - 11
• If this product's AC adapter is equipped with a three-wire grounded
plug. The plug only fits in a grounded power outlet. Make sure the
power outlet is properly grounded before inserting the AC adapter
plug. Do not insert the plug into a non-grounded power outlet.
Contact your electrician for details.
• The system can be powered using a wide range of voltages; 100 to
120 or 220 to 240 V or 100-240 V AC. The power cord included with
the system meets the requirements for use in the country/region
where the system was purchased. Power cords for use in other
countries/regions must meet the requirements for that country/
region. For more information on power cord requirements, contact
an authorized reseller or service provider.
Warning
The grounding pin is a safety feature. Using a power outlet that is not
properly grounded may result in electric shock and/or injury.
Note
The grounding pin also provides good protection from unexpected noise
produced by other nearby electrical devices that may interfere with the
performance of this product.