Brief descriptions have also been assigned to the symbols in the sidebar menu, wherever possible. They are also completely compatible with AutoCAD R13.c4 to 2024 and AutoCAD LT95 to LT2024. Within AutoCAD, add-on menus are also provided with the electrical blocks. Measuring instruments, lamps, and signaling devices.Switchgear, control gear, and protective devices.Production and conversion of electrical energy.Passive components – resistors, capacitors, inductors, etc.The Electrical IEC 617 library includes the majority of symbols contained in the following parts: