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Electrical Current Safety Information - Lenovo 30221CU - H230 CORE2DUO 500GB Desktop Safety And Warranty Manual

Lenovo 3000 h series safety and warranty guide v3.7.
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cause damage.

Electrical current safety information

Danger
Electrical current from power, telephone, and communication cables is
hazardous.
To avoid a shock hazard:
• To prevent possible shock hazard, do not use your computer during a
lightning storm.
• Do not connect or disconnect any cables or perform installation,
maintenance, or reconfiguration of this product during an electrical storm.
• Connect all power cords to a properly wired and grounded electrical outlet.
• Connect to properly wired outlets any equipment that will be attached to
this product.
• When possible, use one hand only to connect or disconnect signal cables.
• Never turn on any equipment when there is evidence of fire, water, or
structural damage.
• Disconnect the attached power cords, telecommunications systems,
networks, and modems before you open the device covers, unless
instructed otherwise in the installation and configuration procedures.
• Connect and disconnect cables as described in the following table when
installing, moving, or opening covers on this product or attached devices.
To connect:
1. Turn everything OFF.
2. First, attach all cables to devices.
3. Attach signal cables to connectors.
4. Attach power cords to outlet.
5. Turn device ON.
To disconnect:
1. Turn everything OFF.
2. First, remove power cords from
outlet.
3. Remove signal cables from
connectors.
4. Remove all cables from devices.
Safety and warranty guide
9

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