What is the primary purpose of using RMC (Rigid Metal Conduit)?

The primary purpose of using Rigid Metal Conduit (RMC) is to provide physical protection for electrical conductors. RMC is made from heavy-duty metal, which offers robust shielding against various environmental factors such as moisture, corrosive elements, physical impact, and other potential hazards that could damage electrical wiring.

By using RMC, electricians can help ensure that the electrical conductors within remain safe and functional over time, reducing the risk of short circuits or electrical failures due to external damage. This physical protection is especially important in industrial settings or outdoor installations where wiring may be exposed to more significant risks.

Other options, such as ensuring flexible movement of electrical conductors, enhancing signal quality, or supporting the weight of overhead conductors, do not align with the primary design and purpose of RMC. Instead, RMC is specifically engineered for durability and shielding, which is why it is chosen for applications where maximum protection is essential.