Liebert LM Series Installation, Operation And Maintenance Manual page 10

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Figure 3. Typical Parallel Connections (without External Disconnect Switch)
*If neutral is provided, a reliable neutral must be pulled to the SPD unit.
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Figure 4. Typical Parallel Connections (with External Disconnect Switch)
*If neutral is provided, a reliable neutral must be pulled to the SPD unit.
Installation, Operation
and Maintenance Manual
®
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Surge
Suppression
Systems
LM Series
Rev 0, 5/99