- Power, Lightning, Control & Communication and Instrumentation circuits in surface ships and submarines.
- Used in fuel and lubrication oils, hydraulic fluids and water surfaces.
- Ship systems & equipments and weapon systems & equipments.

| Part Number | Number of Cores and mm2 Per Conductor | Outer Diameter in mm approx. | Copper Index Kg/Km | Total Weight Kg/Km approx. | 
|---|---|---|---|---|
| 521-8364 | 1C x 0.5 | 5.6 | 4 | 59 | 
| 521-8366 | 1C x 1.0 | 6 | 9 | 69 | 
| 521-8367 | 1C x 1.5 | 6.3 | 13 | 78 | 
| 521-8368 | 1C x 2.5 | 6.9 | 21 | 96 | 
| 521-8369 | 1C x 4.0 | 7.7 | 34 | 122 | 
| 521-8370 | 1C x 6.0 | 9.5 | 51 | 160 | 
| 521-8371 | 2C x 0.5 | 8.3 | 9 | 145 | 
| 521-8373 | 2C x 1.0 | 9.1 | 17 | 170 | 
| 521-8374 | 2C x 1.5 | 9.9 | 26 | 200 | 
| 521-8375 | 2C x 2.5 | 11.4 | 44 | 258 | 
| 521-8376 | 3C x 0.5 | 8.7 | 13 | 164 | 
| 521-8378 | 3C x 1.0 | 9.8 | 26 | 206 | 
| 521-8379 | 3C x 1.5 | 10.4 | 39 | 234 | 
| 521-8381 | 4C x 0.75 | 10.1 | 26 | 220 | 
| 521-8382 | 5C x 0.5 | 10.3 | 22 | 224 | 
| 521-8383 | 7C x 0.5 | 12.2 | 30 | 275 | 
 
