EH 9 Technical data4712.3 Extension cable Only use permitted extension cables, see chapter Safety. Refer to the following table for the required cross-section area of the exten-sion cable:Note: Refer to the nameplate or the chapter Technical data (via the itemnumber) for the type designation and voltage rating of your machine.WARNINGElectrical voltage.Injuries from electrocution.f Check power cable and extension cable for signs of damage.f Only use extension cables for which grounded conductors are connected tothe plug and the coupling (only for machines of class rating I, see chapterTechnical Data).Voltage[V]Extension[m]Cross-sectionarea of cable[mm 2 ]110–127 1~ < 8 1.5< 13 2.5< 20 4.0< 30 6.0220–240 1~ < 27 1.5< 44 2.5< 70 4.0< 105 6.0