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この人工接地に関する基準、つまり2.5メートルの深さはどの規格に基づくのか知りたいです。接地設定規格基準。

2016-12-24View Original

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単一の小さなフレームのアースリファレンスの規格基準、深さ2.5メートルという数値の出典を教えてください
Reply #22016-12-26
一般的に、接地極は凍土層の下、少なくとも2.5メートル以下に埋設される
Reply #32016-12-27
間違った掲示板に投稿してしまったのかな?これは電気工学の専門家に聞くべきだ

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