Mechanical Specifications of a Cable Tie

Written by roz mckenzie
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Mechanical Specifications of a Cable Tie
Messy cables can be bundled together. (computer cables image by timur1970 from

In movies, cable ties are often used as handcuffs, but they also have important domestic and commercial uses. They can bundle together computer and TV cables for safety and tidiness in the home. In the garden, they are often used to tie saplings to supporting sticks or vines to a wall. Commercially, they have been employed by delivery companies as an anti-tampering device on van doors. Standard nylon 6/6 cable ties are also known as plastic ties, wire ties and tie wraps, according to cable tie manufacturers ES & JT Pty. Ltd. Cable ties can also be made from stainless steel. They are used throughout the world operating under temperatures between -35 degrees Celsius (C) to 85 degrees C. Cable ties vary in their specification, but generally have some common factors.

Strain Relief and Tensile Strength

Strain relief protects the lifetime of an electrical product by absorbing the forces of push and pull that might be exerted on flexible wires, cables or tubing, according to engineering website If strain relief is not required, a cable wrap--also known as cable binding--might be more appropriate. Tensile strength is also sometimes specified. This refers to the amount of weight the cable ties can support before breaking. Cable ties can range from light duty--8.16kg.--to extreme heavy-duty--113kg.--tensile strengths, according to Lexcocable.

Mechanical Specifications of a Cable Tie
Cable ties come in different lengths and colours. (plastic cable ties multi colour image by robert mobley from

Maximum Diameter and Temperature Range

Cable tie diameter specifications vary between 0.23 inches to over 5 inches in diameter. The measurement refers to the maximum diameter of the bundle of wires/cables the cable tie can support, according to Globalspec. Temperature range will also be specified when searching for cable ties, reflecting the full required range of operating ambient temperature.

Mechanical Specifications of a Cable Tie
Like a camel, cable ties should be able to withstand extremes of temperature. (camel on snow image by kubais from

Approval Marks

A cable can include a CSA Mark, UL Listing Mark and UL Recognized Component Mark (U.S. and Canadian). If the CSA mark appears alone, the product has been certified for the Canadian market. If it appears with the indicators "C and US" or "NRTL/C," it has been certified for Canadian and U.S. markets, meeting the standards of each country. The UL Listing Mark refers to the product meeting UL's safety requirements, according to Globalspec.

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