Lenovo PC 300 IBM PC300 (Type 2169) - Hardware Maintenance Manual (September 2 - Page 6
Safety Information, two surfaces with different electrical potentials.
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Safety Information DANGER To avoid a shock hazard, do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. To avoid shock hazard: q The power cord must be connected to a properly wired and earthed receptacle. q Any equipment to which this product will be attached must also be connected to properly wired receptacles. When possible, use one hand to connect or disconnect signal cables to prevent a possible shock from touching two surfaces with different electrical potentials. Electrical current from power, telephone, and communications cables is hazardous. To avoid shock hazard, connect and disconnect cables as described following when installing, moving, or opening covers of this product or attached devices. 4
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