AT&T 76450 manual Location of Power Terminations, 1 16 AWG Stranded Power Cable and Larger

Models: 76450

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Common Systems Connection Standards

AT&T Services, Inc

Date: August 31, 2007

ATT-TP-76450, Issue 9

This section describes the various acceptable DC power connectors and connections that are approved for use within AT&T. See Table 2-1 for a classification of acceptable power connections based on cable termination.

2.2.1 Location of Power Terminations

2.2.1.1 Rear Power Terminations

It is preferred that power terminations be located on the rear of the panel.

2.2.1.2 Front Power Terminations.

NE designed as “front access only” (no rear access allowed) shall have the power terminations on the front of the NE.

All power terminations shall be mounted in the top half of the bay. All power connections shall be clearly labeled and fully protected with a non-metallic, non-flammable cover. All power leads entering the front or side shall be protected from accidental bumps, pulls and hits.

2.3CONNECTORS

Connectors used to attach the product to external power cabling shall conform to the following requirements:

2.3.1 16 AWG Stranded Power Cable and Larger

For applications where the size of wire supplying or distributing power to/from the equipment is 16 AWG stranded power cable or larger, pressure crimped connectors shall be used on the power cable creating a ring type termination.

2.3.2 Two Hole Connections

Power input terminations that will accept # 8 AWG connector terminations shall use dual threaded post (stud) termination able to accept the appropriate two-hole crimp connection. The two post termination may be either 5/8” or ½ “on centers.

Equipment surface terminations shall accept crimp connections that meet the following specifications:

oUL486A Wire Connectors and Soldering Lugs for Use with Copper o UL467 Grounding and Bonding Equipment Conductors

o UL 486C Splicing Wire Connectors

o SAE-AS25036 (Insulated Copper Ring Crimped Terminal - Dimensions) o SAE-AS7928 (Copper Ring Crimped Terminal - Specifications)

Equipment submitted for approval should provide a UL listed (power) termination strip designed and designated as “field wireable” to insure product compliance with the UL listing of the

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AT&T 76450 manual Location of Power Terminations, 1 16 AWG Stranded Power Cable and Larger, Two Hole Connections