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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GROUND TERMINAL

NOTES:

1.            FILTER CAPACITORS AS SHOWN IN THIS FIGURE ARE APPLICABLE

ONLY TO SOUND-POWERED PHONES.  FOR OTHER APPLICATIONS WHERE UNSHIELDED PORTABLE CABLE MAY REQUIRE EM FILTERING, SUCH AS FOR RADIO-TELEPHONE HEADSETS/HANDSETS, FILTER CAPACITOR(S)

OF DIFFERENT VALUE MAY BE REQUIRED.

TO COVER PLATE RECEPTACLE

2.        THESE FILTER CAPACITORS ARE INSTALLED FOR THE PURPOSE OF FILTERING RF RADIATIONS FROM SHIPBOARD ANTENNAS WHICH ARE COUPLED BELOW DECKS VIA THE UNSHIELDED (VOICE AUDIO SIGNAL)

MOUNTED SOUND-POWERED PHONE JACK.

3.            ENSURE FILTER CAPACITORS LEADS ARE AS SHORT AS POSSIBLE.

1

INSULATING SLEEVE

SPADE TERMINALS

FILTER PREPARED FOR INSTALLATION

FIGURE 1.  EMI filter capacitor installation in sound powered telephone boxes.