Residential owners can occupy the cable trough area.

What you are asking is whether the community owners can occupy the cable trough area?

You can't. Cable tray is a facility for carrying and protecting cables and cables. Its layout and use need planning and design, and are restricted by relevant laws and standards. Occupying the cable trough area will cause damage or interference to the cable lines in the community, resulting in power and communication problems. Unauthorized occupation of cable tray area involves illegal acts and must comply with relevant laws and regulations.