أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
First of all, refer to "Legend" Provided with the drawings it will help a lot in understanding electrical drawings. Also you should to be aware of designing techniques and electrical concepts.
you need to memorize Electrical drawing symbols and you can take internet help for that. practice makes man perfect
Just by practicing in EPLAN software you can improve your reading skills.