Chapter 9. Related service information 205Grounding requirementsElectrical grounding of the computer is required for operator safety and correctsystem function. Proper grounding of the electrical outlet can be verified by acertified electrician.Safety notices (multi-lingual translations)The caution and danger safety notices in this section are provided in the followinglanguages:• English• Brazilian/Portuguese• Chinese• French• German• Italian• Korean• SpanishImportant: All caution and danger statements in this IBM documentation begin witha number. This number is used to cross reference an English caution ordanger statement with translated versions of the caution or dangerstatement in this section.For example, if a caution statement begins with a number 1, translationsfor that caution statement appear in this section under statement 1.Be sure to read all caution and danger statements before performing anyof the instructions.• Statement 1DANGERElectrical current from power, telephone and communication cables is hazardous.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.• Connect all power cords to a properly wired and grounded electrical outlet.• Connect to properly wired outlets any equipment that will be attached to thisproduct.• When possible, use one hand only to connect or disconnect signal cables.• Never turn on any equipment when there is evidence of fire, water, orstructural damage.• Disconnect the attached power cords, telecommunications systems, networks,and modems before you open the device covers, unless instructed otherwise inthe installation and configuration procedures.