THHN Thermoplastic High Heat-idashobora kwihanganira insinga ya Nylon ni umugozi umwe uyobora hamwe na PVC hamwe na jacket ya nylon. THWN ubushyuhe bwa termoplastique- n-insinga irwanya amazi mubyukuri ni kimwe na THHN kandi byombi bikoreshwa muburyo bumwe. THWN kandi ni umugozi umwe uyobora hamwe na PVC hamwe na jacket ya nylon. Umugozi wa THWN-2 ni insinga ya THWN irinda ubushyuhe bwiyongera kandi irashobora gukoreshwa mubihe by'ubushyuhe bwinshi (kugeza 90 ° C cyangwa 194 ° F).