This standard applies to electrical circuits of products from all industries, as well as electrical circuits of energy
GOST 2.702-1975 Referenced Document
GOST 2.104-2006 Unified system for design documentation. Basic inscriptions*， 2024-04-19 Update
GOST 2.701-1984 Unified system design documentation. Diagrams. Kinds and types. General requirements for fulfilment*， 1984-01-01 Update
GOST 2.709-1989 Unified system of design documentetion. Conventions of wires and terminal connections of electrical elements, equipment and subcircuits in circuit diagrams*， 1989-04-19 Update
GOST 2.710-1981 Unified system for design documentation. Alpha-numerical designations in electrical diagrams*， 1981-04-19 Update
GOST 2.721-1974 Unified system for design documentation. Graphical designations in schemes. Graphical symbols of general use
GOST 2.755-1987 Unified system for design documentation. Graphic designations in electric diagrams. Commutational devices and contact connections*， 1987-04-19 Update
GOST 2.702-1975 history
2011GOST 2.702-2011 Unified system for design documentation. Rules for presentation of electric schemes
1975GOST 2.702-1975 Unified system for design documentation. Rules for presentation of electric schemes