Waya THHN Thermoplastic High-Out-Na-eguzogide Okpomọkụ Waya THHN nke na-eguzogide naịlọn bụ waya nduzi otu nwere mkpuchi PVC na jaketị naịlọn. Waya okpomọkụ na mmiri na-eguzogide na THWN bụ otu ihe ahụ dị ka THHN, a na-ejikarị ha abụọ eme ihe n'otu oge. THWN bụkwa waya nduzi otu nwere mkpuchi PVC na jaketị naịlọn. Waya THWN-2 bụ waya THWN nwere nchekwa okpomọkụ ọzọ, enwere ike iji ya mee ihe n'ọnọdụ okpomọkụ dị oke elu (ruo 90°C ma ọ bụ 194°F).


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