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Extension Cords And Related Devices; Plugs And Outlets - Lenovo GP20N User Manual

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Extension cords and related devices

Ensure that extension cords, surge protectors, uninterruptible power
supplies, and power strips that you use are rated to handle the
electrical requirements of the product. Never overload these devices.
If power strips are used, the load should not exceed the power strip
input rating. Consult an electrician for more information if you have
questions about power loads, power requirements, and input ratings.

Plugs and outlets

If a receptacle (power outlet) that you intend to use with your
computer equipment appears to be damaged or corroded, do not use
the outlet until it is replaced by a qualified electrician.
Do not bend or modify the plug. If the plug is damaged, contact the
manufacturer to obtain a replacement.
Some products are equipped with a three-pronged plug. This plug
fits only into a grounded electrical outlet. This is a safety feature. Do
not defeat this safety feature by trying to insert it into a non-
grounded outlet. If you cannot insert the plug into the outlet, contact
an electrician for an approved outlet adapter or to replace the outlet
with one that enables this safety feature. Never overload an electrical
outlet. The overall system load should not exceed 80 percent of the
branch circuit rating. Consult an electrician for more information if
you have questions about power loads and branch circuit ratings.
General safety guidelines xi

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