Lenovo S200 Hardware Maintenance Manual - Page 13

v Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. v Use the black side of a grounded work mat to provide a static-free work surface. The mat is especially useful when handling ESD-sensitive devices. v Select a grounding system, such as those listed below, to provide protection that meets the specific service requirement. Note: The use of a grounding system is desirable but not required to protect against ESD damage. - Attach the ESD ground clip to any frame ground, ground braid, or green-wire ground. - Use an ESD common ground or reference point when working on a double-insulated or battery-operated system. You can use coax or connector-outside shells on these systems. - Use the round ground-prong of the ac plug on ac-operated computers. Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician. Safety notices (multi-lingual translations) The caution and danger safety notices in this section are provided in the following languages: v English v Arabic v Brazilian/Portuguese v Chinese (simplified) v Chinese (traditional) v French v German v Hebrew v Italian v Korean v Spanish DANGER Electrical current from power, telephone and communication cables is hazardous. To avoid a shock hazard: v Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. v Connect all power cords to a properly wired and grounded electrical outlet. Chapter 2. Safety information 7