Concentric Cable
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ASTM/ICEA-S-95-658 Standard Ejò concentric USB
Cable Concentric Copper Copper jẹ ti ọkan tabi meji awọn oludari aarin ti o lagbara tabi bàbà rirọ ti o rọ, pẹlu idabobo PVC tabi XLPE, adaorin ita ti o jẹ ti ọpọlọpọ awọn onirin bàbà rirọ ti o mọ ni ajija ati apofẹlẹfẹlẹ ita dudu eyiti o le ṣe ti PVC, polyethylene thermoplastic. tabi XLPE.
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SANS 1507 SNE Concentric Cable
Awọn kebulu wọnyi ni a lo fun awọn ipese agbara pẹlu awọn ọna ṣiṣe Aabo Multiple Earthing (PME), nibiti Ilẹ Aabo Aabo (PE) ati Neural (N) - papọ mọ bi PEN - sopọ eedu-ati-aiye si ilẹ gidi ni awọn ipo pupọ lati dinku eewu ina-mọnamọna ni iṣẹlẹ ti PEN bajẹ.
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SANS 1507 CNE Concentric Okun
Iyipo ti idaamu lile-ya Ejò alakoso adaorin, XLPE idayatọ pẹlu concentrically idayatọ igboro aiye conductors.Polyethylene sheathed 600/1000V ile asopọ USB.Nylon ripcord gbe labẹ apofẹlẹfẹlẹ.Ti ṣelọpọ si SANS 1507-6.
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ASTM/ICEA-S-95-658 Standard Aluminiomu Concentric Cable
Iru adaorin yii le ṣee lo ni awọn aaye gbigbẹ ati tutu, taara sin tabi ni ita;Iwọn otutu iṣẹ rẹ ti o pọju jẹ 90ºC ati foliteji iṣẹ fun gbogbo awọn ohun elo jẹ 600V.