Insinga ya THHN Thermoplastic High Heat-resistant nylon-coated ni insinga imwe y'umuyoboro w'amashanyarazi ifite insulation ya PVC hamwe n'ikoti rya nylon. Insinga ya THWN thermoplastic irinda ubushyuhe n'amazi ni imwe muri rusange na THHN kandi zombi zikunze gukoreshwa kimwe. THWN kandi ni insinga imwe y'umuyoboro w'amashanyarazi ifite insulation ya PVC n'ikoti rya nylon. Insinga ya THWN-2 muri rusange ni insinga ya THWN ifite uburinzi bw'inyongera ku bushyuhe kandi ishobora gukoreshwa mu bihe by'ubushyuhe bwinshi cyane (kugeza kuri 90°C cyangwa 194°F).


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