CHAPTER 39
Electrical Safety Guidelines and Warnings
IN THIS CHAPTER
General Electrical Safety Guidelines and Warnings | 733
Prevention of Electrostatic Discharge Damage | 734
AC Power Electrical Safety Guidelines | 736
AC Power Disconnection Warning | 737
DC Power Copper Conductors Warning | 738
DC Power Disconnection Warning | 739
DC Power Grounding Requirements and Warning | 741
DC Power Wiring Sequence Warning | 743
DC Power Wiring Terminations Warning | 746
Midplane Energy Hazard Warning | 748
Multiple Power Supplies Disconnection Warning | 749
Action to Take After an Electrical Accident | 749
General Electrical Safety Guidelines and Warnings
WARNING: Certain ports on the device are designed for use as intrabuilding
(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.
733
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