QElectroTech - QElectroTech is a free software to create electric diagrams.
SolidWorks Electrical - SOLIDWORKS® Electrical solutions simplify electrical product design with specific tools for engineers and intuitive interfaces for faster embedded electrical system design.
ETAP - ETAP is a full spectrum analytical engineering software company specializing in the analysis, simulation, monitoring, control, optimization, and automation of electrical power systems.
See Electrical - SEE Electrical is the electrical cad software for designing electrical installations. Tutorials, downloads and free trial version available.
E3.series - Electrical design software that facilitates an efficient and accurate design and manufacturing process for electrical and fluid planning, cable planning, wire harness and cabinet layout.
WSCAD - One software for six disciplines: Electrical Engineering, Cabinet Engineering, Fluid Engineering, Piping & Instrumentation, Electrical Installation, Building Automation