Common cable trays are made of galvanized,, aluminum, or glass-fiber reinforced plastic. When galvanized tray is cut to length in the field, usually the cut surface will be painted with a zinc-rich compound to protect the metal from corrosion. Cable tray fittings like elbows, bends, tees, crosses, and risers are used to change the direction of cable routing. Whether you are a DIY enthusiast, electrician, or metalworker, this tutorial will help you create cable tray elbows like a pro. -piece tray istypically used in applications where visual esthetics are important. The method for producing bridge bend elbows is as follows: Take a 90-degree cable tray bend elbow as an example, and apply the same principles for 45-degree bends accordingly.
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