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These IMSA 19-2/20-2 Signal & Communications cables are designed for use in underground conduit or as aerial cable supported by a messenger or for installation in raceway in building, not including trays, or used in traffic signal, traffic control systems, fire alarm systems.
- Conductor: Solid bare copper per ASTM B-3
- Insulation: Polyethylene(PE)
- Pairing: Two insulated conductors twisted together
- Shield: Corrugated copper tape- 15% minimum overlap
- Sheath: IMSA 19-2- Black Polyvinyl chloride (PVC)/
IMSA 20-2- Black Polyethylene(PE)
CONDUCTOR NO. | INSULATION COLOR | CONDUCTOR NO. | INSULATION COLOR | ||
---|---|---|---|---|---|
A WIRE | B WIRE | A WIRE | B WIRE | ||
1 | White | Blue | 14 | Black | Brown |
2 | White | Orange | 15 | Black | Slate |
3 | White | Green | 16 | Yellow | Blue |
4 | White | Brown | 17 | Yellow | Orange |
5 | White | Slate | 18 | Yellow | Green |
6 | Red | Blue | 19 | Yellow | Brown |
7 | Red | Orange | 20 | Yellow | Slate |
8 | Red | Green | 21 | Violet | Blue |
9 | Red | Brown | 22 | Violet | Orange |
10 | Red | Slate | 23 | Violet | Green |
11 | Black | Blue | 24 | Violet | Brown |
12 | Black | Orange | 25 | Violet | Slate |
13 | Black | Green |
Binding Tape Color Code: cables containing more than 25 pairs are assembled insub-sectors/
groups. These are identified by spirally applied color-coded nonhygroscopicbinding tapes. The binding
tapes use the same 25 pair color code.
AWG | NO. OF PAIRS |
SOLID OR STRANDED | INSULATION THICKNESS | SHEATH THICKNESS | OVERALL DIAMETER | CABLE WEIGHT | ||||
---|---|---|---|---|---|---|---|---|---|---|
INCHES | MM | INCHES | MM | INCHES | MM | LBS./ KFT | KG/KM | |||
14 | 1 | Solid | 0.025 | 0.64 | 0.045 | 1.14 | 0.41 | 10.41 | 87 | 129 |
14 | 2 | Solid | 0.025 | 0.64 | 0.06 | 1.52 | 0.63 | 16.00 | 141 | 210 |
14 | 4 | Solid | 0.025 | 0.64 | 0.06 | 1.52 | 0.69 | 17.53 | 214 | 318 |
14 | 6 | Solid | 0.025 | 0.64 | 0.08 | 2.03 | 0.87 | 22.10 | 320 | 476 |
14 | 8 | Solid | 0.025 | 0.64 | 0.08 | 2.03 | 0.92 | 23.37 | 398 | 592 |
16 | 3 | Solid | 0.025 | 0.64 | 0.08 | 2.03 | 0.58 | 14.73 | 135 | 201 |
16 | 6 | Solid | 0.025 | 0.64 | 0.08 | 2.03 | 0.76 | 19.30 | 343 | 510 |
16 | 12 | Solid | 0.025 | 0.64 | 0.08 | 2.03 | 0.97 | 24.64 | 406 | 604 |
16 | 18 | Solid | 0.025 | 0.64 | 0.08 | 2.03 | 1.15 | 29.21 | 560 | 833 |
16 | 25 | Solid | 0.025 | 0.64 | 0.08 | 2.03 | 1.31 | 33.27 | 740 | 1101 |
16 | 50 | Solid | 0.025 | 0.64 | 0.11 | 2.79 | 1.83 | 46.48 | 1526 | 2271 |