MIL-STD-1310 Shipboard Bonding, Grounding, And Other Techniques For Electromagnetic Compatibility, Electromagnetic Pulse Emp Mitigation, And SafetyThis document specifies standard practices to facilitate achievement of the intra-ship and inter-ship electromagnetic compatibility EMC, electromagnetic pulse EMP, bonding, and intermodulation interference IMI requirements of MIL-STD-464.

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8

GROUND                                                           3

CABLE                                                               4

2

4                                                                          3

5

9

GROUND

PLATE                          GROUND PLATE THROUGH BOLT DETAILS (NOTES 1, 2, & 5)

7                              7

4

3                                       3

10

6

THROUGH-ROD ASSEMBLY (NOTES 3 & 6)

ADJACENT COMPARTMENT SHIELDS

NOTES:

MAIN GROUND

CABLE

BRANCH GROUND CABLES

8

11                                     7

3

6

ADDITIONAL GROUND CONNECTIONS

1.                    THE HEAD OF THE GROUND PLATE THROUGH-BOLT SHALL BE BRAZED TO THE GROUND PLATE.

2.        THE GROUND PLATE THROUGH-BOLT SHALL AT LEAST BE EQUAL IN SIZE TO THE DIAMETER OF THE ASSOCIATED CABLE.

3.        THE SHIELD THROUGH-ROD SHALL BE 3/8 INCH DIAMETER (MINIMUM)

4.                    THE STUD OF LOCAL GROUND CONNECTION PLATES SHALL BE 3/8

INCH DIAMETER (MINIMUM) AND BRAZED TO THE ASTM B 152 PLATE.

5.                    PROTECTION AGAINST SEEPAGE SHALL BE PROVIDED.  USE MARINE CAULK OR POTTING MATERIAL COMPATIBLE WITH THE HULL MATERIAL

AND NON-CORROSIVE TO THE THROUGH-BOLT.

LOCAL GROUND CONNECTION PLATE

6.                THE SHIELD INTERFACE MATERIAL, E.G., WASHER OR CONDUCTIVE GASKET, SHALL BE SELECTED TO PROVIDE ELECTRICAL CONTINUITY FROM THE SHIELD TO THE THREADED ROD VIA A COPPER WASHER AND

HEX NUT TO MINIMIZE DISSIMILAR METALS.

FIGURE C-2.  Nonmetallic hull ship multi-tree ground connection methods.

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