MIL-HDBK-1025/10
...................................................................................................... PAGE
9.5.2.3
Priorities ............................................................................................. 140
9.5.2.4
Normal Procedures ............................................................................. 143
9.5.2.5
Emergency Procedures ........................................................................ 143
9.6
Portable Shore Power Cables and Receptacles..................................... 143
9.6.1
Low-Voltage (480-Volt) Power Cable Specification............................ 143
9.6.2
Medium-Voltage (4,160-Volt) Power Cable Specification ................... 144
9.6.3
Power Cable-in-Use Insulation Resistance Values ............................... 144
9.6.3.1
Shore Criteria for Cable Assemblies .................................................... 144
9.6.3.2
Ship Criteria for 480-Volt Service Cable ............................................. 144
9.6.3.3
Explanation of Criteria Differences...........................................144
9.6.4
Low-Voltage Receptacles, Plugs, and Protective Circuit Breakers ....... 144
9.6.4.1
Shipboard Connection ......................................................................... 144
9.6.4.2
Pier Low-Voltage (480-Volt) Electrical Outlet Assemblies .................. 145
9.6.4.3
Low-Voltage (480-Volt) Receptacle Protective Circuit Breakers......... 145
9.6.5
Medium-Voltage (4,160-Volt) Receptacles, Plugs, and Protective
Circuit Breakers ............................................................................... 145
9.6.5.1
Shipboard Connections ....................................................................... 146
9.6.5.2
Pier Medium-Voltage (4,160-Volt) Electrical Outlet Assemblies ......... 146
9.6.5.3
Medium-Voltage (4,160-Volt) Receptacle Protective Circuit
Breakers .......................................................................................... 146
9.7
Ship Connection Procedures Before Ship Docks ................................. 146
9.7.1
Laying, Inspecting, and Testing Power Cable Assemblies .................... 147
9.7.1.1
Laying Power Cable Assemblies .......................................................... 147
9.7.1.2
Moving Power Cable Assemblies on Pier............................................. 147
9.7.1.3
Inspecting and Testing Power Cable Assemblies .................................. 148
9.7.2
Checking Shore Receptacles................................................................ 149
9.7.2.1
Inserting Cable Plugs Into Receptacles ................................................ 150
9.8
Shore-to-Ship Power Cable Rigging After Ship Docks ........................ 151
9.9
Ship's Transfer to Shore Power ........................................................... 151
9.10
Ship's Transfer Back to the Ship's Generator ....................................... 151
9.11
Shores Disconnection of Cable Plugs and Removal of Cable
Assemblies ........................................................................................ 152
FIGURES
Figure 1
Ground Potential Gradient .................................................................... 10
2
Current Path Flow................................................................................. 10
3
Current Single-Point Ground................................................................. 36
4
Incorrect Multipoint Ground ................................................................. 36
5
Substation Temporary Grounding.......................................................... 37
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