QFX Series Compliance Statements for NEBS
The equipment is suitable for installation as part of the Common Bonding Network (CBN).
The equipment is suitable for installation in locations where the National Electrical Code (NEC) applies.
The battery return connection is to be treated as an isolated DC return (that is, DC-I), as defined in GR-1089-CORE.
You must provision a readily accessible device outside of the equipment to disconnect power. The device must also be rated based on local electrical code practice.