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When batteries other than Liebert battery cabinets are used, a remote battery disconnect switch with 

overcurrent protection is required per the National Electrical Code. Refer to Required Battery Discon-

nect Rating in the site planning data tables in Appendix A for recommended overcurrent protection 

ratings. Contact your Liebert sales representative for more information.
1. Install battery racks/cabinets and batteries per manufacturer’s installation and maintenance 

instructions.

2. Verify battery area has adequate ventilation and battery operating temperature complies with 

manufacturer’s specification. Installations using vented lead-acid batteries MUST have adequate 

ventilation to remove explosive gases per local and national codes.

3. Low voltage control wiring must be kept separate from power wiring and run in separate 

conduits.

4. Ensure that battery racks are properly grounded according to code requirements in your area.
If you have any questions concerning batteries, battery racks or accessories, contact your local sales 

representative or Liebert Global Services at 1-800-LIEBERT.

Cables between batteries and the UPS modules should be run in matched pairs, 

positive-with-negative, within each conduit or cable run. Grouping like-polarity cables 

together (i.e., positive-with-positive and negative-with-negative) can cause stress or damage 

to the cables, conduit or buswork.