Installation Wiring Diagrams Are Used. B tracing individual circuits. C location of all electrical component.
B tracing individual circuits. It normally shows only what the terminal board connections are and very rarely will it include any internal wiring of the unit. Technologies have developed and reading installation wiring diagrams are used books might be far more convenient and much easier.
It really helps in showing the interconnections in different equipment such as electrical panel and distribution boxes etc.
Use wiring diagrams to assist in building or manufacturing the circuit or electronic device. Question 2 which diagram types are most useful for understanding the operating sequence of the unit. Find your installation wiring diagrams are usedpage4 here for installation wiring diagrams are usedpage4 and you can print out. This wiring diagram shows how all houses and most of commercial lighting installations are wired these days.