矿用电缆是煤矿用电缆的简称，矿用电缆均为阻燃电缆，都应经过安标国家矿用产品安全标志中心颁发矿用产品安全标志证书。U型（M型）煤矿用橡套电缆
煤矿用电缆具有良好的抗冲击、抗弯曲和抗挤压性能，特别是防火阻燃性能。
Coal mine used cable has good impact, bending and press resistant performance, especially the fire resistant and flame-retardant characteristic.
煤矿用电缆燃烧时所释放出的烟雾和毒性气体是造成电缆火灾事故“二次灾害”的直接原因。
The direct reason that causes the cable fire disaster-the second disaster is that the smoke and poison gas produced by the cable for mine purposes when burning.
沟底超挖：开挖矿用电缆沟不得超过沟底标高，如个别地方超挖时，其处理方法应取得设计单位的同意。
Ultra excavation: cable trench excavation shall not exceed the bottom elevation. If ultra-dig in some places, obtain the consent of design units.
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