Installing Unit Load Ground Lugs User Manual

1 Publication 2100-IN064A-EN-P—September 2006

Instructions

CENTERLINE

2100 Motor Control Centers

Installing Unit Load Ground Lugs

Catalog Number 2100H-UG1

Application

This publication includes instructions for installing CENTERLINE

2100 unit

load ground lugs on the horizontal ground bus.

NOTE: To use this kit a horizontal ground bus must be present in the motor

control center.

Recommended Tools

Screw driver (to remove wireway covers)

7/16” wrench or socket (hex-type suggested)

Torque wrench

Installation Procedure:

1. Verify parts list (refer to Figure 1, back page).

2. Determine the ground bus location: top, bottom, or both. Remove the

corresponding wireway cover(s).

NOTE: For motor control centers with ground bus in the top and the

bottom, decide which location is most convenient for the ground lugs.

3. The horizontal ground bus has a series of 5/16” diameter holes. Place

one ground lug on each side of the ground bus, at one of the holes.

Assemble the screw, washers, and nut as shown in Figure 1. Torque to

65 lb-in (7.3 N-m).

ATTENTION

Disconnect or interrupt all sources of power to the motor

control center before proceeding. Serious injury or death

can result from working on energized sections.

PAGE 1
Instructions ® CENTERLINE 2100 Motor Control Centers Installing Unit Load Ground Lugs Catalog Number 2100H-UG1 Application ® This publication includes instructions for installing CENTERLINE 2100 unit load ground lugs on the horizontal ground bus. NOTE: To use this kit a horizontal ground bus must be present in the motor control center. ATTENTION ! Recommended Tools Disconnect or interrupt all sources of power to the motor control center before proceeding.
PAGE 2
Figure 1 Assembling unit load ground lug kit Ground Bus 2.0 1.0 A Front B 5/16” Diameter Holes C D E Parts List: A. Ground lugs (2) B. 1/4-20 x 1” hex head screw (1) C. 1/4” flat washer (1) D. 1/4” lock washer (1) E. 1/4-20 nut (1) 4. The ground lugs accept #14 to #4 AWG copper wire. Remove 1/2” of insulation from the end of the wire. Insert the stripped end of the wire into the lug. Torque to 45 lb-in (5 N-m). Publication 2100-IN064A-EN-P—September 20062 Supersedes Publication 2400-5.