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煤矿安全规程第407条规定:“井下低压馈电线上,应设带有漏电闭锁的检漏保护装置,或有选择性的检漏保护装置。如果没有这两种装置,必须装设自动切断漏电馈电线的检漏装置。”目前煤矿井下低
Article 407 of the coal mine safety code stipulates: “In the underground low-voltage feed line, a leak detection protection device with a leakage lockout or a selective leak detection protection device shall be provided. Without these two devices, an automatic cutoff leakage Feeder leak detection device. ”At present coal mine low