Table of Contents
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Site Considerations for Equipment Installation, Grounding, and Wiring Manual
Contents
1.1
Safety Labels ......................................................................................................................... 1
1.2
Major Topics ......................................................................................................................... 2
2.1
Protecting Equipment Systems ............................................................................................. 3
2.1.1 Quality is Conformance to Requirements ................................................................... 3
2.2
Protecting Equipment and Personnel .................................................................................... 3
2.2.1 Considerations for Protecting Personnel .................................................................... 4
2.2.2 Considerations for Protecting Equipment .................................................................. 4
2.3
Other Site Safety Considerations ........................................................................................... 5
3.1
Power and Ground Systems .................................................................................................. 7
3.2
Importance of Good Grounds ................................................................................................ 7
3.3
Earth Ground Connections .................................................................................................... 7
3.3.1 Establishing a Good Earth Ground .............................................................................. 8
3.3.2 Ground Wire Considerations .................................................................................... 11
3.3.3 Other Grounding Considerations ............................................................................. 12
3.4
Isolating Equipment from the Pipeline ................................................................................ 13
3.4.1 Meter Runs without Cathodic Protection ................................................................. 13
3.4.2 Meter Runs with Cathodic Protection ....................................................................... 14
4.1
Strike .................................................................................................................................. 17
4.1.1 Chance of Being Struck by Lightning ........................................................................ 17
4.1.2 Antenna Caution ..................................................................................................... 20
4.1.3 Ground Propagation ................................................................................................ 22
4.1.4 Tying it all Together ................................................................................................. 22
4.1.5 Impulse Protection Summary .................................................................................. 22
4.2
Use of Lightning Arresters and Surge Protectors .................................................................. 23
4.2.1 Installing Lightning Arresters and Surge Protectors .................................................. 23
5.1
Overview ............................................................................................................................ 27
5.2
Device Wiring ..................................................................................................................... 27
5.2.1 Avoid Common Returns ........................................................................................... 27
5.2.2 Use Twisted Shielded Pair Wiring (with Overall Insulation) ....................................... 28
5.2.3 Ground Cable Shields ............................................................................................... 28
5.2.4 Use Known Good Earth Grounds .............................................................................. 29
5.2.5 Earth-ground Wires ................................................................................................. 29
5.2.6 Work Neatly and Professionally ................................................................................ 29
D301452X012
October 2019
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