所有进现场的配电箱、配电线、电缆、用电设备,必须预先经过检验、测设,合格后方可使用。不得采用残缺、破损等不合格产品。
All approach distribution, wire, cable and electricity supply equipment should pass the inspection and test. It should not allow use the sub-quality products.
根据进出电缆电线的方向及桥架的规格,在配电箱的顶部或底部开孔。 配电箱的所有开孔处须用。
Open poles at the top or bottom of the distribution box according to the cable or wire direction and the cable tray specification.
根据进出电缆电线的方向及桥架的规格,在配电箱的顶部或底部开孔。 配电箱的所有开孔处须用。
Open poles at the top or bottom of the distribution box according to the cable or wire direction and the cable tray specification.
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