Installation Guide

Table Of Contents
Grounding Building Steel and Existing Building Lightning Protection or Grounding
Systems 122
Grounding Building Steel and One 4/0 AWG Down Conductors 122
Grounding One 4/0 AWG Insulated Down Conductor and One Existing Building
Lightning Protection Down Conductor or Building Ground System 122
Grounding One 4/0 AWG Down Conductor 122
Down Conductor Installation 123
Cold Water Pipe Option 123
Building Steel Option 124
Antenna and Coax Grounding - Rooftops 124
Grounding antennas on rooftops 124
Cable Tray Grounding 125
Water Tower Grounding 125
New Wooden and Concrete Antenna Poles 126
Equipment Shelter Grounding 126
Repeaters on Communication Tower Sites 127
Repeaters on Rooftops 128
Multiple Story Site Ground System 128
Down Conductors Installation - Building / Shelter Penetrations 128
Down Conductors Installation - Limits of Bend Radius 128
Down Conductors Installation Connection Methods 128
Cable Entrance Facilities 129
Clamp-On Ground Resistance Testing 129
Using a Clamp-On Ground Resistance Tester 130
Principle of Operation 130
Determining the Correct Measuring Point 131
Testing Procedures 132
Measuring Rod/Grid Resistance 132
Understanding Party Responsibilities 133
Itron Responsibilities 133
Supplier Responsibilities 133
23 June 2020 TDC-0971-012 Itron, Inc. Page 11 of 134
CCU 100 and Repeater 100 Installation Guide Table of Contents