What are the materials used in duct patti pvc wiring and where are they installed? in hindi/urdu

What are the things used in duct patti pvc wiring and where are they installed with details in Urdu. پٹی ڈکٹ والی وائرنگ میں کون کون سی چیزیں استعمال ہوتی ہیں اور کہاں کہاں لگی جاتی ہیں اردو میں تفصیل کے ساتھ Electrical pvc patti duct. Pvc patti duct electric. Electrical pvc duct patti all materials names. Pvc patti duct materials names. Duct patti all materials names. electrical wiring duct patti materials names. duct pvc patti wiring materials names. how to electric wiring pvc duct patti. how to pvc patti duct wiring all materials. electrical wiring pvc duct wiring materials names. casing pvc wiring materials names. electrical pvc casing materisls names. casing wiring electrical materials. #ductpattiwiring #electricalwiringductpatti #fawazelectric #electricalwiring #casingpattiwiring (Fawaz Electric)