Babban jikin kayan lantarki da ke hana fashewa a bayyane yake, mai dorewa, da alama ta musamman. An yi farantin suna da kayan kamar tagulla, tagulla, ko bakin karfe. Alamar Ex, nau'in hana fashewa, category, kuma rukunin zafin jiki suna da ƙaƙƙarfan zane ko zane.
Tambarin sunan ya ƙunshi bayanai masu zuwa:
1. Sunan masana'anta ko alamar kasuwanci mai rijista.
2. Sunan samfurin da aka ƙayyade da ƙira.
3. Alamar Ex, yana nuna bin ka'idojin ƙwararru don na'urorin lantarki masu hana fashewa dangane da nau'in hana fashewa.
4. Alamomin abin da aka zartar nau'in hana fashewa, kamar o don cike mai, p don matsawa, q don cika yashi, d don hana wuta, e don ƙarin aminci, ia don aminci na ciki na Class A, ib don aminci na cikin aji na B, m don encapsulated, n don rashin haskakawa, s don nau'ikan na musamman waɗanda ba a lissafa a sama ba.
5. Alamar nau'in kayan aikin lantarki; I don hakar kayan lantarki, da kuma zafin jiki rukuni ko matsakaicin zafin jiki (a cikin Celsius) za IIA, IIB, Kayan aikin aji na IIC.
6. Ƙungiyar zafin jiki ko matsakaicin zafin jiki (a cikin Celsius) don kayan aiki na Class II.
7. Lambar samfur (banda na'urorin haɗi da na'urorin da ke da ƙananan wuraren ƙasa).
8. Alamar dubawa; idan sashin dubawa ya ƙayyade sharuɗɗan amfani na musamman, ana ƙara alamar “x” bayan lambar cancantar.
9. Ƙarin alamomi.