■ Power cable types
Preferred power cable types
This section presents the preferred cable types. Make sure that the selected cable type
also complies with local/state/country electrical codes.
Use as motor cablingUse as input power cablingCable type
YesYes
Symmetrical shielded (or ar-
mored) cable with three phase
conductors and concentric PE
conductor as shield (or armor)
YesYes
Symmetrical shielded (or ar-
mored) cable with three phase
conductors and symmetrically
constructed PE conductor and
a shield (or armor)
YesYes
Symmetrical shielded (or ar-
mored) cable with three phase
conductors and a shield (or ar-
mor), and separate PE conduct-
or/cable
1)
1)
A separate PE conductor is required if the conductivity of the shield (or armor) is not sufficient for the PE use.
48 Guidelines for planning the electrical installation