Which color protective cap corresponds with 1/2" Rigid Metal Conduit (RMC)?

The color protective cap that corresponds with 1/2" Rigid Metal Conduit (RMC) is indeed black. In electrical installation practices, different sizes of conduit are often designated by specific color codes for their protective caps, which helps to easily identify the type and size of conduit during installation or maintenance.

Black caps indicate a 1/2" Rigid Metal Conduit, making it visually simple for electricians and inspectors to recognize the correct conduit size at a glance. This system of color coding contributes to efficiency and safety in electrical work, reducing the risk of errors when working with multiple conduit sizes. The other colors typically correspond to different sizes of conduits, ensuring that professionals can quickly and accurately select the right materials for their tasks.