SANS Concentric USB
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SANS 1507 SNE Concentric USB
A na-eji eriri ndị a eme ihe maka inye ọkụ na sistemu nchekwa Multiple Earthing (PME), ebe njikọta nchebe ụwa (PE) na Neutral (N) - nke a maara dị ka PEN - na-ejikọ ọnụ na-anọpụ iche na ụwa na ezigbo ụwa n'ọtụtụ ebe. iji belata ihe egwu ọkụ eletrik ma ọ bụrụ na agbajiri PEN.
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SANS 1507 CNE Concentric USB
Onye na-eduzi usoro ọla kọpa siri ike gbachiri okirikiri, XLPE ejiri ndị nduzi ụwa na-ahaziri nke ọma.Polyethylene sheathed 600/1000V ụlọ njikọ USB.Naịlọn ripcord tọrọ n'okpuru n'ọbọ.Emepụtara ya na SANS 1507-6.