Gain a greater understanding of acceptable types of system materials and components through this module in the updated 2013 NFPA 13 Online Course Series. Course 5 in the NFPA 13 Online Course Series — Fire Sprinkler System Components and their Usage — provides you with a greater understanding of the acceptable types of system materials and components and address the features of each. The training also covers the installation requirements for sprinkler system components, including piping, valves, waterflow devices, hangers and braces.