S9407-AB-HBK-010 Datasheet, PDF (112/276 Pages) Glenair, Inc. – HANDBOOK OF SHIPBOARD ELECTROMAGNETIC SHIELDING PRACTICES

S9407-AB-HBK-010, Rev. 2
Section 6
CABLE SPACING AND SHIELDING REQUIREMENTS
TABLE OF CONTENTS
Paragraph
Page
6.1
6.2
6.2.1
6.2.2
6.3
6.4
6.4.1
6.4.2
6.5
6.5.1
6.5.2
6.5.3
6.5.4
6.5.5
6.6
6.6.1
6.6.2
6.6.3
6.6.4
6.6.5
6.6.6
6.6.7
6.6.8
6.6.9
6.7
6.7.1
6.7.2
6.7.3
6.7.4
6.7.5
6.7.5.1
6.8
6.8.1
LIST OF ILLUSTRATIONS .........................................................................................
LIST OF TABLES........................................................................................................
INTRODUCTION ........................................................................................................
SCOPE .......................................................................................................................
Cable Types............................................................................................................
Special Case Situations..........................................................................................
DEFINITIONS .............................................................................................................
CABLE CATEGORIZATION .......................................................................................
Table of Cable Categories and Designators...........................................................
Selection of Cable Designators ..............................................................................
PARAMETERS AND CONSIDERATIONS FOR CABLE SPACING
REQUIREMENTS .......................................................................................................
Effective Loop-Area Parameter ..............................................................................
Self-Compatibility of Cable .....................................................................................
Self-Compatibility of Equipment .............................................................................
Differential-Mode Versus Common-Mode Interference
Considerations........................................................................................................
Structure Currents and Armored Power Cable
Considerations........................................................................................................
CABLE-TO-CABLE SPACING REQUIREMENTS......................................................
Cable-to-Cable Spacing Chart................................................................................
Spacing of Multiconductor Cables ..........................................................................
Spacing of Dual-Function Cables ...........................................................................
Spacing of Cables in Muted Systems.....................................................................
Spacing of Single Conductor Cables......................................................................
Spacing of Susceptible Cables with Large
Effective Loop Areas ..............................................................................................
Spacing of Portable Equipment Cables..................................................................
Spacing of Microwave Transmission Lines
and Waveguides.....................................................................................................
Installation Practice Regarding Excess Cabling .....................................................
CABLE SHIELDING REQUIREMENTS......................................................................
Partial Shielding......................................................................................................
Magnetic Saturation of Shielding Conduit...............................................................
Flexible Metal Conduit ............................................................................................
Rigid Metal Conduit ................................................................................................
Conduit Grounding/Insulation Requirements..........................................................
Single-Point Grounding...........................................................................................
PROCEDURES FOR CALCULATING CABLE-TO-CABLE
SPACING AND SHIELDING.......................................................................................
Procedure 1 - Determining Cable-to-Cable Spacing and
Shielding for Radiators Versus Susceptors in Susceptor
Categories S1, S2, and S4 .....................................................................................
6-ii
6-ii
6-1
6-1
6-1
6-1
6-2
6-3
6-3
6-3
6-3
6-3
6-3
6-6
6-6
6-6
6-8
6-8
6-8
6-8
6-8
6-8
6-8
6-8
6-9
6-9
6-9
6-9
6-10
6-10
6-11
6-11
6-11
6-12
6-13
CHANGE 1 of Revision 2
6-i