A Category 2 Hardened Carrier is constructed using aluminum pipe. Is this material appropriate for a Category 2 Hardened Carrier? Why or why not?
a. No, a Category 2 Hardened Carrier must be constructed of a polyvinyl chloride (PVC) pipe that is schedule-120 grade.
b. Yes, a Category 2 Hardened Carrier can be constructed using any metal material.
c. No, a Category 2 Hardened Carrier must be constructed of a ferrous material.
d. Yes, a Category 2 Hardened Carrier must be constructed of aluminum.