International Municipal Signal Association(IMSA Series)
IMSA 19-2/20-2(Signal & Communications Cable)
Application and Description :
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.
Cable Construction:
- 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)
Color Code :
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.
Temperature Rating: 75°C
Voltage Rating:600 V
Cable Parameter :
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 |