This standard specifies the technical requirements for wire and cable extrusion equipment. This standard applies to the design, manufacture, acceptance and qualification of extrusion equipment for plastic insulation, sheathing or other cable plastic structural components of wires and cables.
JB/T 5820-2008 Referenced Document
GB/T 2900.40 Electrotechnical terminology--Machinery and equipment for electric wires and cables
GB/T 4457.2 Technical drawing--Drawing presentation-General principles of leader lines and reference lines
GB/T 4457.4 Mechanical drawings--General principles of presentation-Lines
GB/T 4457.5 Mechanical drawings.Basic conventions for representing areas on cuts and sections*, 2013-12-17 Update
GB/T 4458.1 Mechanical drawings--General principles of presentation-Views
GB/T 4458.2 Mechanical drawings item references and its arrangement for assembling drawings
GB/T 4728.2 Graphical symbols for electrical diagrams—Part 2:Symbol elements,qualifying symbols and other symbols having general application*, 2018-07-13 Update
GB/T 4728.3 Graphical symbols for electrical diagrams.Part 3:Conductors and connecting devices*, 2018-07-13 Update
JB/T 5820-2008 history
2008JB/T 5820-2008 Plastic extruding machines for wires and cables.Technical requirements
1991JB/T 5820-1991 Technical requirements for wire and cable plastic extrusion equipment