keyword nzuri ya kutafutia unachotaka ni CAD (computer aided design). hivyo wewe unatafuta electrical CAD
mimi si mtu wa umeme jaribu mwenyewe angalia kama zitakufaa ila hizi ndio best according to google
1. Electra
website yao -
https://radicasoftware.com wana free trial siku 30
2. AutoCad electral
-website yao -
Overview hawa pia wana free trial siku 30
3.proficad
-website yao -
https://www.proficad.com
4.TinyCad
sehemu ya kudownloa -
TinyCAD download | SourceForge.net
hii nimeipata sourceforge hivyo huwenda ni ya bure na opensource na ina ratings nzuri tu
kama unaanza biashara huna mtaji link ya AutoCad electral full version hii hapa
AutoCAD Electrical 2015 Free Download
ila i recomend kununua full version support ni muhimu sana kwa haya mambo yenu maana ukikwama hakuna wa kukusaidia zaidi ya mtengeneza software.
muhimu
hizi software zinahitaji pc yenye nguvu sana utatakiwa ram 4gb/8gb, hdd 12gb hadi 16gb, monitor ya kuanzia 1280x1024 (monitor nyingi ni 720p hivyo kuwa makini hapa) uwe na gpu inayosuport hio resolution, vram kuanzia 128mb na iwe workstation class gpu inamaana iwe nvidia quadro au amd fire pro.