Common Systems Connection Standards AT&T Services, Inc
Date: August 31, 2007 ATT-TP-76450, Issue 9
Copyright ©2004 – 2006, AT&T Knowledge Ventures
All rights reserved
Page 8
product. This termination or barrier strip should be able to accommodate a ring lug connectors
that comply with the UL, CSA and Mil Spec listings.
2.3.3 18 AWG Power Cable and Smaller
For applications where the size of wire supplying power to the equipment is 18 AWG power
cable or smaller, mechanical connectors may be used.
o The connectors shall be listed by a Nationally Recognized Test Laboratory for its
intended use.
o The connector shall be tested to assure long-term tightness and reliability. The
following tests are acceptable for this requirement; IEC 60068-2-6, Basic
Environmental Test Procedures, Part 2: Test Fc and Guidance: Vibration
(sinusoidal); EIA Specifications 364-27B (Mechanical Shock Test Procedure for
Electrical Connectors), 364-28D (Vibration Test Procedure for Electrical
Connectors and Sockets), Telcordia GR-63-CORE and Telcordia GR-1089-
CORE. Other vibration test procedures demonstrating long-term reliability will be
considered for evaluation.
o The product supplier shall provide documentation of routine maintenance (if any)
associated with the supplied connector.
Table 2 – 1
Size conductor Acceptable termination Associated Listings
22 AWG – 18 AWG Mechanical; American
Standard UNC threads
(Class 2 fit)
Listed by NRTL, IEC
60068-2-6, EIA SPEC
364-27B, 364-28D
16 AWG – 10 AWG One or Two hole crimp
connection. American
Standard UNC threads
(Class 2 fit)
UL467, UL486A,
UL486C, SAE-AS25036,
SAE-AS7928
8 AWG – 1AWG
1/0-4/0
250MCM –
750MCM
Two hole crimp
connection. American
Standard UNC threads
(Class 2 fit)
UL467, UL486A,
UL486C, SAE-AS25036,
SAE-AS7928
2.4 Visual Power Alarms and Status Indicator
The NE equipment shall provide visual power alarm and status indications by indicator devices
mounted directly on the equipment. The equipment shall also be capable of transmitting alarm
signals to an office alarm circuit and to sending circuits for remote surveillance using dry loop
relay contacts or other means. Power alarm and status reporting information must be provided
in the supplier's response documentation to be in compliance with this item.
If an alarm indicator pilot fuse is present in the power circuit, it should operate when the power
fuse fails.
