Kayan ƙofofin wuta na Grade B sun haɗa da itace, ƙarfe, itacen ƙarfe, da sauransu. Ƙofar hana wuta ta Class B tana buƙatar amincin juriyar wuta na jikin ƙofar dole ne ya wuce 1h. Za a yi amfani da farantin lantarki mai kauri 1.2mm ko takardar galvanized don firam ɗin ƙofar, kuma za a yi amfani da farantin lantarki mai kauri 0.8mm ko takardar galvanized don ganyen ƙofar.

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