What is allowed when cables exit from conduit due to movement concerns?

The correct answer is the use of a bushing. When cables exit from conduit, especially in scenarios where there is movement or potential strain on the cables, it is crucial to have a protective component that can safeguard the cable insulation from being damaged by the edges of the conduit. A bushing serves this purpose effectively.

Bushings are designed to provide a smooth transition from the conduit to the cable, ensuring that any sharp edges do not abrade or cut into the cable's insulation. This is particularly important in settings where movement might occur, as it helps maintain the integrity of the cables and prevents failures that could arise from mechanical damage.

This approach aligns with the National Electrical Code, which emphasizes the need for protection of conductors as they exit conduits, particularly to handle any movement that may occur without compromising the insulation.

Other options relate to different protective measures but do not specifically address the context of movement concerns in the same way a bushing does. For example, using a strain relief may be applicable in some situations, but it focuses primarily on preventing pull on the wires rather than protecting the exit point. Similarly, installing a box may provide a secure environment for connections and terminations, while applying a sealing compound is pertinent to moisture and environmental sealing