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Engineering
Technical Center |
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The following are the minimum values for the radii to which insulated
cables may be bent for permanent training during installation. These limits do not apply
to conduit bends, sheaves or other curved surfaces around which the cable may be pulled
under tension while being installed. Larger radii bends may be required for such
conditions to limit sidewall pressure. In all cases the minimum radii specified refers to
the inner surface of the cable and not to the axis of the cable. The minimum bending radii for both single and multiple-conductor cable with or without lead sheath and without metallic shielding or armor are as follows:
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