![]() ![]() ![]() ![]() The bending radii stated always apply at an ambient temperature of (20 ± 10)☌ and are always measured at the inner curvature of the cable. The bending radius that applies to a cable is stated in its technical data sheet. The bending radius is usually expressed as a multiple of the outer diameter of the cable, for example: 4xD or 12xD where "D" is the outer diameter of the cable. Sometimes this is already calculated specifically for your cable and is then expressed as a value in mm. Bending radii vary according to the type of cable and the section. The smaller the bending radius, the shorter bends you can make. The bending radius expresses the smallest possible bend with which one can safely bend a cable without kinking it, damaging it or shortening its life span. So, how do you do it safely? What is the bending radius of a cable? On the outside of the bend you have after all 'stretched out' the cable materials too much - they become thinner or perhaps even show cracks - as a result of which the original electrical properties of the conductor insulation are lost. But if you bend a cable too far, this considerably shortens the lifespan of your cable and you even risk short circuiting and/or causing a fire. Cables can be bent, that goes without saying. ![]()
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