• GR-3160 for TELCO Data centers
• GR-1089-Core: EMC and Electrical Safety for Network Telecommunicaons Equipment
• The equipment is suitable for installaon in locaons where the Naonal Electrical Code (NEC)
applies.
• The baery return connecon is to be treated as an Isolated DC return (DC-I), as dened in
GR-1089-CORE.
• GR-63-Core
• The equipment is suitable for installaon as part of the Common Bonding Network (CBN).
• The equipment is suitable for installaon in a central oce (CO).
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