Founded In  · ,+ Searches / day. · Biggest Datasheet : transistor, diode, capacitor, displays, Amplifier, Sensor. Wiring diagrams or connection diagrams include all of the devices in the system and show their physical relation to each other. All poles, terminals, coils, etc. are shown in their proper place . Oct 30,  · Using PDF for Reading Industrial Electrical Diagrams. PDF format is an excellent option for viewing and studying industrial electrical diagrams. Its advantages include: .