How is the minimum bending radius determined for cables?
The cable bending radius is a measurement of the smallest radius a cable can be bent around without damaging the cable.
Factors which influence the minimum bending radius include the cable size, the cable construction, the conductor type and the sheathing and insulation types used.
The bending radius is normally expressed as a factor of the overall dimension of the cable for example, 6D or 6x the outer diameter of the cable.
Exceeding the cable bending radius
The relevant standards determine a minimum bending radius so as to protect the integrity and performance of the cable. Where the cable bending radius has been exceeded - whether through winding onto drums with a barrel diameter too small for the cable or during installation - the cable can show kinking or other sheath damage as an indication of other possible problems. Where it is suspected the cable bend radius has been exceeded it is recommended that testing, such as the sheath integrity test conducted by The Cable Lab, be undertaken prior to further install to determine if the cable performance has been impeded.
People also ask
Electric cable drums can be heavy and difficult to handle manually. A proper risk assessment should be done before handling drums. Discover the correct methods for handling, lifting and shipping cable drums...
Cable drums come in many different sizes and weights depending somewhat on the materials they are made of. Read more about drum sizes, materials and weights...
Cable size selection is based on 3 main factors: Current carrying capacity, Voltage regulation, Short circuit rating. Read more about the cable sizes and what determinate them...
Cable Portfolio
View our comprehensive range of power, data, control and instrumentation cables and accessories
Go
