In this category of piping segment there are several different requirements will become part and parcel of any project, they are used for protection and routing of all electrical wiring, these are supplied in Metal, Plastic, Fiber and sometimes in fired clay. These electrical conduits are available commonly in rigid and flexible systems.  The term “conduit” is commonly used to define any system that contains electrical conductors and this term has a more restrictive definition when used in electrical wiring regulations.