Electrical design tools
Electrical design without appropriate software and tools is impossible to imagine. On this page you can download professional software for electrical design, MV and LV network and photometric calculations, voltage drop and short circuit calculations etc.
Most of them are freeware, some requires registration and some are shareware. All documents, EE software and MS Excel Spreadsheets are free to download.
Check out section Electrical Tools – MS Excel Spreadsheets!
Almost every luminaire manufacturer has its own database for Dialux, Relux, Calculux and other photometrics software, which can be downloaded on their website. All databases are free to download.