eriri concentric
-
SANS 1507 SNE Concentric USB
A na-eji eriri ndị a eme ihe maka ọkụ eletrik na sistemu nchekwa Multiple Earthing (PME), ebe jikọtara ụwa nchebe (PE) na Neutral (N) - nke a maara dị ka PEN - jikọtara ọnụ na-anọpụ iche na ụwa n'ezie n'ụwa n'ọtụtụ ebe iji belata ihe egwu ọkụ eletrik na ihe omume nke PEN gbajiri agbaji.
-
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.
-
ASTM/ICEA-S-95-658 Ọkọlọtọ Aluminom Concentric USB
Enwere ike iji ụdị onye nduzi a na ebe akọrọ na mmiri mmiri, lie ya ozugbo ma ọ bụ n'èzí; Ya kacha okpomọkụ nke ọrụ bụ 90 ºC na voltaji nke ọrụ maka ngwa niile bụ 600V.
-
ASTM/ICEA-S-95-658 Ọkọlọtọ Concentric USB
Copper Core Concentric Cable bụ nke otu ma ọ bụ abụọ na-eduzi etiti siri ike ma ọ bụ ọla kọpa dị nro, nke nwere mkpuchi PVC ma ọ bụ XLPE, onye na-eduzi mpụta nke nwere ọtụtụ waya ọla kọpa dị nro nke gbachiri n'ọbọ dị okirikiri na oji nke enwere ike iji PVC, polyethylene thermoplastic ma ọ bụ XLPE.