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问题	煤矿井下电缆悬挂规定
释义	法律分析：电缆水平敷设时必须与巷道走向一致，垂直方向敷设时必须与地面成90º ，即横平竖直。电缆改变敷设方向时，要求成90º 转弯，转弯处应有适宜的圆弧，半径符合下列要求:A、铠装电缆要求:弯曲半径≥ 20倍电缆外径。B、橡套电缆要求:弯曲半径≥ 10倍电缆外径。电缆悬挂点的间距在水平巷道或倾斜巷道内不大于2m，在立井井筒内不得超过6m。法律依据：《中华人民共和国煤矿安全规程》中规定电缆悬挂点的间距在水平巷道或倾斜井巷内不得超过3米，在立井井筒内不得超过6米。
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