Labari
Launukan igiyoyin wutar lantarki masu hawa uku na masana’antu a duniya
Mitar wutar lantarki da ka’idojin aiwatarwa sun bambanta a duk duniya, don haka launukan igiyoyi masu matakai uku ma sun bambanta.
Teburin da ke gaba yana bayyana kewayon gama-gari na launukan igiyoyi da daidaitawar matakai.
| Yanki | L1(A) | L2(B) | L3(C) | N(Layin Tsaka-tsaki) | PE(Wayar Kasa ta Kariya) |
| Kasar Sin | Yellow | Green | Red | Blue | YellowGreen |
| Tarayyar Turai (IEC) | Brown | Black | Gray | Blue | Yellow-Green |
| Amurka | Black | Red | Blue | White/Gray | Yellow-Green |
| Kanada | Red | Black | Blue | White | Yellow-Green |
| Ostiraliya | Red | White | Blue | Black | Yellow-Green |
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