740 القنوات المرنة

740 FLEXIBLE CONDUITS

740-1 Flexible conduits may be employed for connecting electric motors and other equipment subject to
adjustment of position and vibration to the fixed wiring and at similar positions.

740-2 Flexible conduits may be of the metallic or non-metallic type. Metallic flexible conduits shall not be
used as the sole means of providing earth continuity and in both types of flexible conduit a separate earth
continuity conductor of appropriate size shall be provided.

740-3 In damp and wet locations all flexible conduits shall be of the type that prevent the ingress of water and
moisture.

740-4 Flexible conduits shall only be run exposed and shall be so positioned that they are not susceptible to
mechanical damage. Where necessary flexible conduits shall be adequately supported.