ASTM Standard Building Waya
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ASTM UL Thermoplastic Waya Ụdị TW/THW THW-2 USB
Waya TW/THW bụ onye na-eduzi ọla kọpa siri ike ma ọ bụ nke tọrọ atọ, nke ejiri Polyvinylchloride (PVC) kpuchie ya.
Waya TW na-anọchite anya thermoplastic, waya na-eguzogide mmiri.
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ASTM UL Thermoplastic High Heat Resistant nylon mkpuchi THHN THWN THWN-2 Waya
THHN THWN THWN-2 Waya dabara adaba maka iji ngwa igwe, sekit njikwa, ma ọ bụ wiwi ngwa.Ma THNN na THWN nwere mkpuchi PVC na jaket nylon.Ihe mkpuchi PVC nke thermoplastic na-eme ka THHN na waya THWN nwee ihe na-egbochi ire ọkụ, ebe mkpuchi nylon na-agbakwụnyekwa iguzogide kemịkalụ dị ka mmanụ ụgbọala na mmanụ.
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ASTM UL XLPE XHHW XHHW-2 ọla kọpa waya High Heat na-eguzogide mmiri na-eguzogide
Waya XHHW na-anọchite anya "XLPE (polyethylene jikọtara cross) mmiri na-eguzogide mmiri dị elu."Igwe XHHW bụ aha maka ihe mkpuchi akọwapụtara, ọkwa okpomọkụ, na ọnọdụ ojiji (kwesịrị maka ebe mmiri) maka waya eletrik na eriri.