Method for fixing vertical distribution boxes
When the distribution box is installed on the wall, it shall be fixed with split bolts (expansion bolts). The bolt length is generally the sum of the buried depth (75 ~ 150mm), the thickness of the box bottom plate, the thickness of nuts and washers, plus about 5mm "head. This article details the process of installing them, which helps you comprehend distribution boxes. Straighten the angle steel, measure the dimensions, mark the cutting lines based on the dimensions, perform bending and cutting, locate the drilling positions, and finally weld it.
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