■公表問題の特徴 2021
No. 1　EM-EEF 2.0（ほたる・位置表示灯内蔵スイッチ
No. 2　2口コンセント（確認表示灯・常時点灯
No. 3　端子台3極（タイムスイッチ
No. 4　青2.0 3C、端子台5極（三相3線式
No. 5　黒赤緑3C、端子台5極（20A250V Eコンセント
No. 6　露出形コンセント（3路スイッチ
No. 7　4路スイッチ
No. 8　VVR 2.0、端子台6極（リモコンリレー
No. 9　緑IV（EETコンセント
No.10　配線用遮断器（確認表示灯・同時点滅
No.11　ねじなし電線管
No.12　PF管
No.13　VVR 1.6、端子台3極（自動点滅器）


■ 実技試験出題問題
都道府県：[2018上] [18下] [19上] [19下] [20上] [20下] [21上]
北海：[9,12] [7,13] [6,11] [4,？] [？] [11,12] [1,2]
青森：[12] [05] [07] [11] [？] [09] [10]
岩手：[06] [07] [10] [09] [？] [？] [11]
宮城：[03] [09] [13] [06] [？] [05] [02]
秋田：[04] [01] [03] [12] [？] [10] [07]
山形：[12] [？] [12] [09] [？] [07] [09]
福島：[08] [09] [01] [11] [？] [07] [06]
新潟：[11] [13] [07] [08] [？] [03] [09]
茨城：[10] [05] [02] [01] [？] [11,12] [07]
栃木：[13] [01] [07] [01] [？] [09] [06]
群馬：[02] [04] [03] [05] [？] [09] [10]
埼玉：[09] [10] [11] [02] [？] [08] [03]
千葉：[10] [11] [02] [03] [01] [04] [06]
東京：[2,8] [1,3] [10,12] [6,10] [3,6] [1,3,13] [8,11]