Generic Requirements for Surge Protective Devices (SPDs) on AC Power Circuits
Document Number TR-NWT-001011
Issue Number 01
Issue Date Feb 1992
Replaces TA-NWT-001011 Issue01
ABSTRACT: This document replaces TA-NWT-001011.
This Technical Reference (TR) covers generic requirements for Surge Protective Devices (SPDs) on AC power circuits that in the view
of Telcordia are needed for proper service and maintenance performance. The SPDs are intended for indoor use at the service entrance
location, installed on the load side of the AC power service disconnect, operating at rated voltages of 600 Vrms or less, for
single-phase or three-phase systems.