Cable tray welding is essential for ensuring the structural stability of cable tray systems in industrial and commercial wiring setups. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. According to an embodiment of the present invention, a method to weld a cable tray support, which is capable of improving convenience of welding by forming a bonding surface on the lower part, comprises: a welding position selecting step of selecting a welding position of a cable tray support; a. us-trations without notice. All illustrations, descriptions and technical information included in this document are provided as indications and can cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned. OBO BETTERMANN has offered prod-ucts and solutions for electrical instal-lation for over 100 years. With our many years of experience, we are one of the leading manufacturers in this field. Establishing partnerships. Scope :- This specification covers the following major activities; - Fabrication and installation of Mild Steel (MS) support structure for Galvanized Iron (GI) Cable tray.