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Military

List of Illustrations

Tables

Table 3-1. Wattage consumption of electrical appliances
Table 4-1. Checklist for adding a receptacle
Table 8-1. Generator-set characteristics
Table 8-2. Mobile electric generator sets
Table 8-3. Demand factors
Table 8-4. Load conversion factors
Table 8-5. Full-load currents of motors
Table 8-6. Allowable current capacities of conductors, in amperes, for not more than three conductors in a raceway or cable
Table 8-7. Substitute wire sizes
Table 8-8. Physical and electrical properties of conductors
Table 8-9. Voltage and ampere output
Table 8-10. Soil characteristics
Table 8-11. Engine-driven generator-set orientation
Table 10-1. Freezing points, composition, and specific gravities of military antifreeze materials
Table 11-1. Conductor types and sizes
Table 13-1. Minimum body clearance
Table 14-1. Troubleshooting
Table 14-2. Preventive maintenance checks and services
Table B-1. Characteristics of electrical systems
Table B-2. Conductor insulation
Table B-3. Allowable current-carrying capacity of copper conductors--not more than three conductors in raceway or cable
Table B-4. Allowable current-carrying capacity of copper conductors in free air
Table B-5. Allowable current-carrying capacity of aluminum conductors--not more than three conductors in raceway or cable
Table B-6. Allowable current-carrying capacity of aluminum conductors in free air
Table B-7. Reduction of current-carrying capacity for more than three conductors in raceway or cable
Table B-8. Flexible cords
Table B-9. Deep boxes
Table B-10. Shallow boxes (less than 1 1/2 inches deep)
Table B-11. Support for nonmetallic conduit runs
Table B-12. Full-load current, single-phase AC motors
Table B-13. Full-load current, three-phase AC motors
Table B-14. Standard loads for branch circuits and feeders and demand factors for feeders
Table B-15. Requirements for branch circuits
Table B-16. Voltage drop table (based on 3% drop)
Table B-17. Support for rigid metal conduit runs
Table B-18. Radius of conduit bends
Table B-19. Minimum size (inches) of conduit of electrical metallic tubing to contain a given number of 800-volt conductors
Table B-20. Size conduit of electrical metallic tubing for combinations of conductors (percentage of cross-sectional area of conduit or tubing)
Table B-21. Dimensions and percent of area of conduit and tubing for combinations
Table B-22. Dimensions of rubber-covered and thermoplastic-covered conductors
Table B-23. Characteristics of wire

Figures

Figure 1-1. Typical wiring diagram
Figure 1-2. Solderless connectors
Figure 1-3. Wire attachment to terminals
Figure 2-1. Multimeter connection
Figure 2-2. Underwriter's knot
Figure 3-1. Motor switch
Figure 3-2. Circuit balancing
Figure 3-3. Methods of grounding
Figure 3-4. Bell and buzzer wiring
Figure 3-5. Two-push-button system
Figure 3-6. Three-way switch wiring
Figure 3-7. Four-way switch wiring
Figure 3-8. Push-pull rotary switch
Figure 3-9. Typical wiring combinations
Figure 3-10. Tapping stranded copper wire
Figure 4-1. Armored-cable bend
Figure 4-2. Cutting and attaching cable
Figure 4-3. Cable connection to box with internal clamps
Figure 4-4. Installing a grounding clip
Figure 4-5. Removal of sheathing
Figure 4-6. Ceiling-mounted light
Figure 4-7. Method of fishing long run with access
Figure 4-8. Ceiling box with flange
Figure 4-9. Method of wiring into a receptacle
Figure 4-10. Method of wiring into a switch
Figure 4-11. Method of wiring into a light
Figure 4-12. Method of wiring into a junction box
Figure 5-1. Rigid conduit and fittings
Figure 5-2. Bending rigid conduit
Figure 5-3. Attachment of fish wire
Figure 5-4. Thin-wall conduit and fittings
Figure 5-5. Thin-wall conduit bender
Figure 5-6. Flexible conduit and fittings
Figure 7-1. Open-type disconnect switch and components
Figure 7-2. Enclosed-type disconnect switches
Figure 7-3. Pole-mounted oil circuit breaker, single-phase, Y-primary
Figure 7-4. Fused disconnect switches
Figure 7-5. Typical open-type fuse
Figure 8-1. Typical electrical power-generating site
Figure 8-2. Typical equipment identification plate
Figure 8-3. Single-phase, two-wire distribution system
Figure 8-4. Single-phase, three-wire distribution system
Figure 8-5. Three-phase, three-wire distribution system
Figure 8-6. Three-phase, four-wire distribution system
Figure 8-7. Load requirements of a military field installation
Figure 8-8. Diversity factor
Figure 8-9. Typical line voltage drop
Figure 8-10. Balanced single-phase, two-wire system
Figure 8-11. Balanced single-phase, three-wire system
Figure 8-12. Balanced three-phase, three-wire system
Figure 8-13. Balanced three-phase, four-wire system
Figure 8-14. Typical wiring diagram of a two-wire, DC generator set
Figure 8-15. Parallel-connected generator sets
Figure 8-16. Procedures for making a slip hammer
Figure 8-17. Trailer-mounted generator set
Figure 8-18. Revetment construction
Figure 9-1. Typical generator control panel
Figure 9-2. Typical heater controls
Figure 9-3. Three-way fuel valve
Figure 9-4. Practical wiring diagram of a safety control system
Figure 9-5. Overspeed safety device
Figure 9-6. Phase selector switch
Figure 10-1. Typical changeover board
Figure 10-2. Overhead distribution system
Figure 10-3. Load-terminal board
Figure 10-4. Typical bus-bar distribution center
Figure 10-5. Layout for a distribution system
Figure 10-6. Sandbag exhaust chimney
Figure 10-7. Suppression of exhaust noise
Figure 10-8. Area of loudest noise
Figure 11-1. Open-wire service installation
Figure 11-2. Wood siding
Figure 11-3. Brick-veneer wood sheathing
Figure 11-4. Brick-veneer composition sheathing
Figure 11-5. Solid masonry, brick or cement
Figure 11-6. Hollow tile or cement block
Figure 11-7. Composition or asbestos shingles
Figure 11-8. Wood, service-conductor tension over 900 pounds
Figure 11-9. Solid masonry
Figure 11-10. Attachment with dead-end spool
Figure 11-11. Service mast
Figure 11-12. Exposed service-entrance cable
Figure 11-13. Method of attaching multiple-conductor services
Figure 11-14. Entrance head below the roof line
Figure 11-15. Typical underground service
Figure 11-16. Typical overhead service
Figure 12-1. Belt-in method
Figure 12-2. Proper climbing position
Figure 12-3. Gaff positions
Figure 12-4. Inverted-J method
Figure 12-5. Proper position for ascending a pole
Figure 12-6. Proper position for descending a pole
Figure 12-7. Lineman's knot
Figure 12-8. Rescue position
Figure 12-9. Rescue-line position
Figure 13-1. Sample tag
Figure 13-2. Proper use of a safety strap while working from a ladder
Figure 13-3. Methods of lowering equipment with a hand line
Figure 13-4. Climbers
Figure 13-5. Method of protecting open manholes at night
Figure 14-1. Continuity tester
Figure 14-2. Cause of a short circuit
Figure A-1. Basic circuiting symbols
Figure A-2. General outlet symbols
Figure A-3. Convenience outlet symbols
Figure A-4. Switch outlet symbols
Figure A-5. Panels and circuits
Figure A-6. Miscellaneous symbols
Figure A-7. Fuse pullers
Figure A-8. Wire grip and splicing clamp
Figure A-9. Thin-wall conduit impinger
Figure A-10. Multimeter
Figure A-11. Steel electrical boxes and covers
Figure A-12. Special-situation boxes
Figure A-13. Typical box mountings
Figure A-14. Cable and wire connectors
Figure A-15. Straps and staples
Figure A-16. Receptacles
Figure A-17. Surface metal raceways
Figure A-18. Attachment plugs
Figure A-19. Switches and covers
Figure A-20. Service switch box
Figure A-21. Circuit breakers
Figure A-22. Lamp holders and sockets
Figure A-23. Lamps, signal equipment, and reflectors
Figure A-24. Braces, bolts, and washers
Figure A-25. Eyebolts, nuts, and clevises
Figure A-26. Clamps, pins, thimble-eyes, and clevises
Figure A-27. Guy-wire equipment



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