About Protective Coverings

This section introduces you to protective coverings.
  • If you want to privilege performance and ease-of-manipulation, use Light Protective Covering.
  • If you want to add protective coverings to several branches, or across different multi-branchable documents, use Protective Covering.
  • There are four types of light protection coverings:
    • Fixed Diameter
    • Adaptive Diameter
    • Corrugated tube
    • Tape
  • There are two types of regular protection coverings:
    • Corrugated tube
    • Tape

Tape Parameters:

Parameters specific to the tape type of protective covering:

  • the layer number
  • the taping angle
  • the tape overlapping.


  • The taping angle and the overlapping parameters are mutually exclusive:
    either you enter a value for the taping angle and the overlapping will be automatically computed,
    or you enter a value for the overlapping and the taping angle will be automatically computed.
  • The overlapping value can be negative.

You also get information about the protective covering length:
The Covered length is displayed for both tape and tube type.
The Total tape length is calculated, using the following parameters:

It lets you choose the protective covering reference you want to apply, using the catalog browser.


Angle is the taping angle value.
Height is the bundle segment length covered by the tape.
is the number of layers.

The overlapping formula is the following:
Overlapping = Width - 2 P * (Radius + Thickness/2) * sin Angle

Width is the tape width.
is the bundle segment radius.
is the tape thickness.
is the taping angle value.


About Supports, Bend Radius, and Integration With Other Electrical Products:

  • Supports can be added to bundle segments covered with a protective covering. If the support is adaptative, its parameters will be linked to the protective covering outer diameter.
  • The protective covering bend radius is not taken into account when computing the bundle segment using the standard algorithm. It is only used with the FLEX algorithm.
    However, this parameter lets you create knowledge rules.
  • This functionality is integrated with the wire routing (EWR): when routing wires into bundle segments covered with a protective covering, the bundle segment diameter updates as well as the protective covering's.
  • This functionality is also integrated with the drawing extraction (EHF): the protective coverings are displayed in the drawing sheet.