MIL-HDBK-1004/2A
POWER DISTRIBUTION SYSTEMS
CONTENTS
Page
1.1
Scope...........................................
1
1.2
Cancellation....................................
1
1.3
Technical Factors...............................
1
1.3.1
Feeders.........................................
1
1.3.2
Current (Ampere) Levels and Interrupting Duties.
1
1.3.3
Equipment Requirements..........................
1
1.3.4
Weather Extremes................................
1
1.3.5
Local Codes.....................................
1
1.4
Economic Factors................................
2
1.4.1
Number of Circuits..............................
2
1.4.2
Voltage.........................................
2
1.4.3
Transformer Losses..............................
2
1.5
Special Construction............................
2
1.6
Shore-To-Ship Distribution Systems..............
3
1.7
Good Practice...................................
3
2.1
Circuit Design..................................
4
2.1.1
Application.....................................
4
2.1.2
Capacity........................................
4
2.1.3
Wire Size.......................................
5
2.1.4
Physical Features...............................
5
2.2
Line Materials..................................
5
2.2.1
Poles...........................................
5
2.2.1.2
Heights and Classes.............................
5
2.2.1.3
Strength Requirements...........................
5
2.2.1.4
Safety Factors..................................
5
2.2.1.5
Pole Installation...............................
5
2.2.1.6
Configuration...................................
5
2.2.1.7
Crossarms.......................................
5
2.2.2
Guys and Anchors................................
6
2.2.2.1
Safety Requirements.............................
6
2.2.2.2
Design of Earth Anchors.........................
6
2.2.3
Conductors......................................
7
2.2.3.1
Size Limitations................................
7
2.2.3.2
Normal Primary Lines............................
7
2.2.3.3
Tropical and Semitropical Locations.............
7
2.2.3.4
Special Primary Line............................
8
2.2.3.5
Utilization Lines...............................
8
2.2.3.6
Dissimilar Conductor Connections................
8
2.2.4
Insulators......................................
8
2.2.4.1
Insulator Combinations..........................
8
2.2.4.2
Dimensions and Loads............................
8
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