Lenovo E43, User Manual

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Chapter 6. Safety, use, and care information
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Protect power cords and power adapters from liquids. For instance, do
not leave your power cord or power adapter near sinks, tubs, toilets, or
on floors that are cleaned with liquid cleansers. Liquids can cause a
short circuit, particularly if the power cord or power adapter has been
stressed by misuse. Liquids also can cause gradual corrosion of power
cord terminals and/or the connector terminals on a power adapter,
which can eventually result in overheating.
Always connect power cords and signal cables in the correct order and
ensure that all power cord connectors are securely and completely
plugged into receptacles.
Do not use any power adapter that shows corrosion at the ac input
pins or shows signs of overheating (such as deformed plastic) at the ac
input or anywhere on the power adapter.
Do not use any power cords where the electrical contacts on either end
show signs of corrosion or overheating or where the power cord
appears to have been damaged in any way.