単極スイッチと双極スイッチ - 双極スイッチの配線 - 双極スイッチの仕組みを理解する
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スイッチ付き二極または単極、またはスイッチなしのソケットコンセント、BS1363
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60秒でダブルスイッチを配線!#電気 #配線 #ヒントとコツ