Chingwe cha Concentric
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SANS 1507 SNE Concentric Cable
Zingwezi zimagwiritsidwa ntchito popangira magetsi ndi machitidwe a Protective Multiple Earthing (PME), komwe kutetezedwa kwa Earth (PE) ndi Neutral (N) - pamodzi kumadziwika kuti PEN - kumagwirizanitsa kusalowerera ndale-ndi-dziko lapansi kudziko lenileni m'malo angapo kuti achepetse chiopsezo cha kugwedezeka kwa magetsi pakagwa PEN yosweka.
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SANS 1507 CNE Concentric Chingwe
Kondakitala wozungulira wokokedwa molimba wamkuwa, XLPE wotetezedwa ndi ma kondakitala opanda kanthu opangidwa mokhazikika. Polyethylene sheathed 600/1000V nyumba kugwirizana utumiki chingwe. Chingwe cha nayiloni choyikidwa pansi pa sheath. Zopangidwa ku SANS 1507-6.
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ASTM/ICEA-S-95-658 Standard Aluminium Concentric Cable
Woyendetsa wamtunduwu angagwiritsidwe ntchito m'malo owuma komanso amvula, okwiriridwa mwachindunji kapena panja; Kutentha kwake kwakukulu ndi 90 ºC ndipo voteji yake yogwiritsira ntchito ntchito zonse ndi 600V.
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ASTM/ICEA-S-95-658 Standard Copper Concentric Cable
Chingwe cha Copper Core Concentric Cable chimapangidwa ndi kondakitala imodzi kapena ziwiri zolimba zapakati kapena mkuwa wofewa, wokhala ndi PVC kapena XLPE Insulation, chowongolera chakunja chopangidwa ndi mawaya angapo ofewa amkuwa omangika mumphepo yozungulira komanso yakuda yakunja yomwe imatha kupangidwa ndi PVC, thermoplastic polyethylene kapena XLPE.