Ucingo Lokwakha Olujwayelekile lwe-ASTM
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Ikhebula le-ASTM UL Thermoplastic Wire Type TW/THW THW-2
Intambo ye-TW/THW iyi-conductor yethusi eqinile noma ebambekile, ethambile efakwe i-Polyvinylchloride (PVC).
Intambo ye-TW imele intambo ye-thermoplastic, engangeni manzi.
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I-ASTM UL Thermoplastic High Heat Resistant Inayiloni Embozwe yi-THHN THWN THWN-2 Wire
Izintambo ze-THHN THWN THWN-2 zifanele ukusetshenziswa njengethuluzi lomshini, isekethe yokulawula, noma izintambo zikagesi. Zombili i-THNN ne-THWN zine-PVC insulation enamajakethi enayiloni. I-thermoplastic PVC insulation yenza intambo ye-THHN ne-THWN ibe nezakhiwo ezivimbela ilangabi, kanti ijakethi enayiloni nayo yengeza ukumelana namakhemikhali anjengophethiloli namafutha.
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I-ASTM UL XLPE XHHW XHHW-2 Intambo Yethusi Emelana Nokushisa Okuphezulu Emelana Namanzi
Intambo ye-XHHW imele igama elithi “XLPE (cross-linked polyethylene) Elimelana Nokushisa Okuphezulu Elimelana Namanzi.” Intambo ye-XHHW iyigama lezinto ezithile zokuvikela ukushisa, izinga lokushisa, kanye nesimo sokusetshenziswa (esifanele izindawo ezimanzi) kwentambo kagesi kanye nentambo.