At what maximum distance must sheathed cable be supported from a connection?

The correct answer indicates that sheathed cable must be supported at a maximum distance of 12 inches from a connection. This requirement is set to ensure that the cable remains secure, thus reducing the risk of strain or damage that could occur if the cable were to sag or hang loosely. Supporting sheathed cable at specified distances helps maintain the integrity of the installation, preventing potential hazards such as wear, abrasion, or disconnection, especially in areas where movement might occur.

In installations, it is also important to adhere to electrical codes and standards that mandate these support requirements, which are designed to protect both the equipment and the safety of individuals working near or with the wiring. While other distances listed may seem convenient for certain applications, the 12-inch support is a recognized standard that aligns with proper electrical practices and safety regulations, ensuring that installations are both effective and safe.