Conduit System Materials

Learn about conduit systems, components, and the use of trade size and fill charts.




This is the first lesson in the iKNOW™ Conduit Installation Library. This lesson introduces the learner to conduit systems and components and instructs in the use of trade size and fill charts.


Define conduit and types.  Explain how conduit trade size is measured.  Read and use a conduit fill chart.  Determine the uses for types of conduit.  Identify boxes and their purpose.  Explain how boxes are sized.  Identify fittings and their uses.  Explain the purpose of Ells and T-conduits.