MIL-HDBK-1004/2A
Page
3.4.11 Gas Pressurized Cable...........................
23
3.4.11.1Sulfur Hexaflouride Gas.........................
23
3.4.11.2Installation....................................
23
3.4.11.3Optional Usage..................................
23
3.5
Underground Transformers........................
23
3.5.1
Equipment.......................................
23
3.5.2
Vault Design....................................
23
3.6
Cable Ampacity..................................
24
3.7
Safety Considerations...........................
24
4.1
Preliminary Considerations......................
25
4.1.1
Where Permitted.................................
25
4.1.2
Installation Problems...........................
25
4.2
Location Considerations.........................
25
4.2.1
Soundings.......................................
25
4.2.2
Hydraulic Restrictions..........................
25
4.2.2.1
Turbulences.....................................
25
4.2.2.2
Current.........................................
25
4.2.2.3
Variable (Changing) Waters......................
25
4.2.3
Chemical Composition of Waters..................
25
4.2.4
Marine Traffic..................................
25
4.3
Installation....................................
25
4.3.1
Burying Cable...................................
26
4.3.2
Anchors.........................................
26
4.3.3
Warning Signs...................................
26
4.3.4
Pile Clusters...................................
26
4.3.5
Maps............................................
26
4.4
Cable Types.....................................
26
4.4.1
Metallic-Sheathed Cable.........................
26
4.4.2
Armored Cable...................................
26
4.4.2.1
Application.....................................
27
4.4.2.2
Wire-Armor......................................
27
4.4.3
Nonmetallic-Sheathed Cable......................
27
4.4.4
Shielding.......................................
27
4.5
Electrical Connections..........................
27
4.5.1
Terminations....................................
27
4.5.1.1
Potheads........................................
27
4.5.1.2
Three-Conductor Potheads........................
27
4.5.2
Splices.........................................
27
4.5.3
Bonding.........................................
28
5.1
General Considerations..........................
29
5.1.1.1
Type of System Supplied.........................
30
5.1.1.2
Location........................................
30
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