Electrical installation 81
Connection diagram of a four-conductor system
Arrange the cables as shown to get a current distribution that is as equal as possible.
Connect single-core cables without concentric protective shielding (armor) as shown.
WARNING! Ground all conductive cable supports, cable clamps, cable trays and
individual conductive items that are near the cables.
L2 L3
L1
L3 L1
L2
L1 L2
L3
PE
PE
PE
L1
L2
L3
L1
L2
L3
=
~
PEPE
PE
Ws^ϵϴϬ Transformer
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