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防爆エリアの信号伝送線には防爆カバーが必要ですか

2019-07-30View Original

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教えていただきたいのですが、防爆エリア内の信号線には防爆処理が必要でしょうか?また、信号線には電圧がありますか?
Reply #22019-07-30
GB 50093-2013 自動化計装機器工事の施工および品質検査規範
GB 50058-2014 爆発・火災危険環境における電力設備の設計規範
SH_T 3019-2016 石油化学プラントの計装用配管・配線の設計規範
HGT 20512-2014 計装用配管・配線の設計規範
これらを見れば十分です。

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