Installation Guide

Table Of Contents
Grounding Building Steel and Existing Building Lightning Protection or Grounding
Systems 121
Grounding Building Steel and One 4/0 AWG Down Conductors 121
Grounding One 4/0 AWG Insulated Down Conductor and One Existing Building
Lightning Protection Down Conductor or Building Ground System 121
Grounding One 4/0 AWG Down Conductor 121
Down Conductor Installation 122
Cold Water Pipe Option 122
Building Steel Option 123
Antenna and Coax Grounding - Rooftops 123
Grounding antennas on rooftops 123
Cable Tray Grounding 124
Water Tower Grounding 124
New Wooden and Concrete Antenna Poles 125
Equipment Shelter Grounding 125
Repeaters on Communication Tower Sites 126
Repeaters on Rooftops 127
Multiple Story Site Ground System 127
Down Conductors Installation - Building / Shelter Penetrations 127
Down Conductors Installation - Limits of Bend Radius 127
Down Conductors Installation Connection Methods 127
Cable Entrance Facilities 128
Clamp-On Ground Resistance Testing 128
Using a Clamp-On Ground Resistance Tester 129
Principle of Operation 129
Determining the Correct Measuring Point 130
Testing Procedures 131
Measuring Rod/Grid Resistance 131
Understanding Party Responsibilities 132
Itron Responsibilities 132
Supplier Responsibilities 132
12 February 2021 815-0491-00 Itron, Inc. Page 12 of 133
CCU100 and Repeater100 Installation Guide Table of Contents