1.2.3 Cautions and Warnings
The following cautions and warnings apply to Oracle Exadata Rack:
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                     Do not touch the parts of this product that use high-voltage power. Touching them might result in serious injury. 
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                     Do not power off Oracle Exadata Rack unless there is an emergency. In that case, follow the Emergency Power-off Procedure. 
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                     Keep the front and rear cabinet doors closed. Failure to do so might cause system failure or result in damage to hardware components. 
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                     Keep the top, front, and back of the cabinets clear to allow proper airflow and prevent overheating of components. 
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                     Use only the supplied hardware. 
Parent topic: Powering On and Off Oracle Exadata Rack