This involves using the correct cable size, avoiding over-bending cables, and ensuring cables are fixed properly to avoid unnecessary movement. It can also help to keep out birds, rodents and insects. Lightning-induced damage to Ethernet-connected devices can be prevented if the proper precautions are. There is very little you can do to protect your cable and appliances from a direct lightning strike. Protecting against lightning and power surges is an important aspect of designing communications circuits and systems. However, these trays are not immune to safety hazards that could cause system failures, fires, or other catastrophic events. Below, we analyze the common cable tray safety hazards and discuss how each. Direct lightning strikes to electrical equipment and cables are generally of such magnitude that building-in protection against this event is impracticable.
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