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24 Electrical planning guidelines
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Power cable types
Recommended power cable types
This section presents the recommended cable types. Check with local / state / country
electrical codes for allowance.
Cable type
PE
Symmetrical shielded (or armored)
cable with three phase conductors
and concentric PE conductor as
shield (or armor)
Symmetrical shielded (or armored)
cable with three phase conductors
and symmetrically constructed PE
conductor and a shield (or armor)
Symmetrical shielded (or armored)
cable with three phase conductors
and a shield (or armor), and separ-
ate PE conductor/cable
1) A separate PE conductor is required if the conductivity of the shield (or armor) is not sufficient for the PE use.
Alternate power cable types
Exception for ACS880-304LC +A019 diode supply modules: These power cable types are
not allowed.
Cable type
EMT
Four-conductor cabling in metal
conduit (three phase conductors and
PE), eg, EMT, or four-conductor ar-
mored cable
Use as input power cabling
Yes
Yes
PE
Yes
PE
1)
Use as input power cabling
Yes
Use as motor cabling
Yes
Yes
Yes
Use as motor cabling
Yes with phase conductor smaller
2
than 10 mm
(8 AWG) or motors up
to 30 kW (40 hp)
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