Power And Electrical Safety Information; General Electrical Safety Guidelines And Warnings - Juniper QFX5110 Series Hardware Documentation

CHAPTER 20

Power and Electrical Safety Information

IN THIS CHAPTER
General Electrical Safety Guidelines and Warnings | 240
Prevention of Electrostatic Discharge Damage | 242
Action to Take After an Electrical Accident | 243
AC Power Electrical Safety Guidelines | 244
AC Power Disconnection Warning | 245
DC Power Electrical Safety Guidelines | 245
DC Power Disconnection Warning | 247
DC Power Grounding Requirements and Warning | 249
DC Power Wiring Sequence Warning | 251
DC Power Wiring Terminations Warning | 254
Multiple Power Supplies Disconnection Warning | 257
TN Power Warning | 258

General Electrical Safety Guidelines and Warnings

WARNING:
(within-the-building) interfaces only (Type 2 or Type 4 ports as described in
GR-1089-CORE) and require isolation from the exposed outside plant (OSP) cabling.
To comply with NEBS requirements and protect against lightning surges and commercial
power disturbances, the intrabuilding ports must not be metallically connected to
interfaces that connect to the OSP or its wiring. The intrabuilding ports on the device
are suitable for connection to intrabuilding or unexposed wiring or cabling only. The
addition of primary protectors is not sufficient protection for connecting these
interfaces metallically to OSP wiring.
Certain ports on the device are designed for use as intrabuilding
240