This manual is designed to guide workers through the detailed production process of ladder cable trays, including the manufacture of horizontal elbows, tees, crosses, reducing bends, and vertical bends, with emphasis on precision, safety, and quality control. description of how to fabricate a 200 mm cable tray bend in English: How to Fabricate a 200 mm Cable Tray Bend – Description. Since the jaws of the bolt cutter drags a layer of zinc across the cut end and forms a protective layer. Horizontal 90° Bend (Flat Bend) 2. Construction of a flat 90° bend (A) The amount of tray lip to be removed is equal to 2, 3/4 the width of the tray, half of this measurement will be removed on either side of the centre line. To remove the lip we can use a small hand grinder (B) or a file. Table 2 of NEC provides the minimum radius of conduit bends.
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