THHN Thermoplastic High Heat-resistant Nylon-coated wire yog ib tus neeg xyuas pib xaim nrog PVC rwb thaiv tsev thiab lub tsho nylon.THWN thermoplastic tshav kub- thiab dej-resistant hlau yog qhov tseem ceeb tib yam li THHN thiab ob feem ntau siv sib hloov.THWN kuj tseem yog ib tus neeg xyuas pib xaim nrog PVC rwb thaiv tsev thiab lub tsho nylon.THWN-2 hlau yog ib qho THWN hlau nrog kev tiv thaiv tshav kub ntxiv thiab nws tuaj yeem siv rau hauv cov xwm txheej kub heev (txog 90 ° C lossis 194 ° F).