What is the primary use of Type RMC?

Type RMC, orRigid Metal Conduit, is primarily used for protecting electrical wiring. It is a heavy-duty metal conduit that provides mechanical protection for conductors, ensuring they are safeguarded from physical damage in various environments. This type of conduit is commonly used in commercial and industrial settings where there may be a higher risk of impact or abrasion.

Its robust construction makes it suitable for outdoor and indoor applications, and it is resistant to rust and corrosion when properly coated. RMC can be used in locations where wiring needs to be shielded from harsh conditions or where the potential for damage exists, making it a reliable choice for electrical installations.

The other options, while relevant in their contexts, do not align with the primary function of Type RMC. Grounding primarily involves dedicated grounding conductors or systems, while conduits for fiber optics are specialized and do not typically involve RMC. Overhead power lines have specific requirements that differ from the applications of RMC as they pertain to wire management and safety.