R6...R8
76 Electrical installation
R6…R8
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Connecting the power cables
ï¿ Connection diagram
For alternatives, see section Selecting the supply disconnecting device (page 51).
1
Use a separate grounding PE cable (2a) or a cable with a separate PE conductor (2b) if the conductivity
of the shield does not meet the requirements for the PE conductor (see Selecting the power
cables (page 52)).
2
360-degree grounding is recommended if shielded cable is used. Ground the other end of the input cable
shield or PE conductor at the distribution board.
3
360-degree grounding is required.4
70 Electrical installation
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