How frequently should hooks be mounted to support cables in an open ceiling?

The correct choice specifies that hooks should be mounted to support cables in an open ceiling every 4 to 5 feet. This frequency is important for ensuring that the cables are adequately supported, preventing sagging or excessive strain on the cables over longer spans. The 4 to 5-foot interval is in line with industry standards that aim to maintain the integrity and safety of the installation, accounting for factors like cable weight, environmental conditions, and potential movement.

By providing consistent and appropriate support, the risk of damage to the cables is minimized, as is the chance of hazards arising from loose or sagging cables. This practice helps maintain an organized and clean appearance in the workspace while also adhering to safety and compliance standards in the telecommunications and IT industries.