When cable ties are used in cable trays, they must be:

When using cable ties in cable trays, selecting options that are listed and identified for the specific application is vital for ensuring safety, compliance with codes, and the overall integrity of the installation. Listed cable ties are tested and certified to meet industry standards, meaning they have undergone rigorous testing for factors such as temperature resistance, tensile strength, and chemical exposure.

This certification ensures that the ties will withstand the environmental conditions they will encounter, providing reliability in holding cables securely and preventing issues such as overheating or mechanical failure. Additionally, using properly identified cable ties aids in ensuring they are suitable for the specific application, which is important in preventing electrical hazards and maintaining the efficiency of the system.

Other options do not provide the necessary focus on safety and compliance. Generic or inexpensive ties might not meet the required standards, while color coding purely for aesthetics does not contribute to functionality or safety. Reusable and adjustable ties could offer convenience but they do not necessarily guarantee that the ties are adequate for the specific situations encountered in cable trays. Hence, selecting cable ties that are listed and identified for the application is the best practice for maintaining safety and operational effectiveness.