Figure 2-43.-Resistance Test Record Card, NAVSEA 531-1.

have been disconnected for circuit or equipment

equipment connected, always record the exact equip-

ment included and the type of tester used so accurate

changes, when there is evidence that a cable has been

comparisons can be made with similar past or future

subjected to oil or salt water, and after shipboard

measurements.

overhauls.

Because of the variables in IC cables, such as cable

Testing Cables

length, type, or the temperature of the cable sheath, no

single minimum insulation resistance reading for IC

Insulation resistance tests (ground tests) must be

cabling can be given. For most IC cabling a reading of

made periodically on IC cables to determine the

0.2 megohm for each conductor is considered

condition of the cables. In addition, tests should be

minimum. For the more extensive sound-powered

made when cables have been damaged, when cables

Figure 2-43.-Resistance Test Record Card, NAVSEA 531-1.

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