Main equipment (1) Pencil, tape measure, pendant, powder bag, tin pot, blowtorch. (2) Electrical tools, hand drills, impact drills, multimeters, toolboxes, etc. Working conditions (1) In accordance wi...
Material requirements (1) Metal wire trough with its accessories: its model and specifications should meet the design requirements. The inside and outside of the wire trough should be smooth and flat,...
Machine room trunking installation According to the design of the above-mentioned machine room trunking, the machine room trunking is divided into strong and weak electric double-line slots. Before la...
Machine room trunking design GB 7588-2003 "Safety Code for Elevator Manufacturing and Installation" and other requirements for the trunking are only: "The laying of the conduit and the trunking should...