Emerson Bristol 2808 Series - Supplement Guide S1400 T-2808 B Series 2808-Xxb Transmitters Site Considerations for Equipment Installation, Grounding & Wiring

Supplement S1400T-2808B Page 0-1 Table Of Contents
Supplement Guide S1400T-2808B
Series 2808-XXB Transmitters
SITE CONSIDERATIONS FOR EQUIPMENT
INSTALLATION, GROUNDING & WIRING
TABLE OF CONTENTS
SECTION TITLE PAGE #
Section 1 - INTRODUCTION
1.1 GENERAL INTRODUCTION ....................................................................................... 1-1
1.2 MAJOR TOPICS.............................................................................................................1-1
Section 2 - PROTECTION
2.1 PROTECTING INSTRUMENT SYSTEMS ..................................................................2-1
2.1.1 Quality Is Conformance To Requirements ...................................................................2-1
2.2 PROTECTING EQUIPMENT & PERSONNEL........................................................... 2-1
2.2.1 Considerations For The Protection of Personnel..........................................................2-2
2.2.2 Considerations For The Protection of Equipment........................................................ 2-2
2.3 OTHER SITE SAFETY CONSIDERATIONS .............................................................. 2-3
Section 3 - GROUNDING & ISOLATION
3.1 POWER & GROUND SYSTEMS ..................................................................................3-1
3.2 IMPORTANCE OF GOOD GROUNDS ........................................................................3-1
3.3 EARTH GROUND CONNECTIONS ............................................................................ 3-1
3.3.1 Establishing a Good Earth Ground...............................................................................3-2
3.3.1.1 Soil Conditions................................................................................................................3-2
3.3.1.2 Soil Types ........................................................................................................................3-3
3.3.1.3 Dry, Sandy or Rocky Soil ...............................................................................................3-4
3.3.2 Ground Wire Considerations. ........................................................................................3-5
3.3.3 Other Grounding Considerations..................................................................................3-6
3.4 ISOLATING EQUIPMENT FROM THE PIPELINE...................................................3-7
3.4.1 Meter Runs Without Cathodic Protection ....................................................................3-7
3.4.2 Meter Runs With Cathodic Protection..........................................................................3-7
Section 4 - LIGHTNING ARRESTERS & SURGE PROTECTORS
4.1 STROKES & STRIKES..................................................................................................4-1
4.1.1 Chance of Being Struck by Lightning. ..........................................................................4-1
4.1.2 Ground Propagation .......................................................................................................4-3
4.1.3 Tying it all Together.......................................................................................................4-3
4.1.4 Impulse Protection Summary........................................................................................4-3
4.2 USE OF LIGHTNING ARRESTERS & SURGE PROTECTORS ............................... 4-4