... : 1/2,1/4,3/8,7/8,5/4.13/8,1/2S,5/8,8u,8D,16m2,02m2,03m2,etctype: grounding wire, grounding clamp ... resistance500MΩContact resistance≤1mΩGrounding cable lengthAs requirementsGrounding cable size16mm2 , 10mm2Inner contact materialTinned braid copperWaterproofingIP68 TypeΦDia (mm)1/2”16-177/8 ... -121-1/4”38-401-5/8”50-511/4”8.5-9.51/2s” 13-14 5/4'',1/2'' T2 copper grounding kit ...