Highway Cables
Traffic Control Cable
British Standard Highway Cables
International Municipal Signal Association(IMSA Series)
National Motorway Communications System Specifications(TR Series)

International Municipal Signal Association(IMSA Series)

IMSA 20-1(Traffic Signal Cable)

Application and Description :

These cables are suitable for outdoor or indoor use in traffic signal, traffic control systems, fire alarm systems,

underground conduit and aerial use with messenger. Rated for 600 Volts 75°C wet or dry locations.

Cable Construction:

IMSA 20-1 Traffic Signal Cable

Conductor: Solid bare copper per ASTM B-3 or stranded bare copper per ASTM B-8, & B-174

Insulation: High density polyethylene (HDPE)

Sheath: High density polyethylene (HDPE)

Color Code :

Conductor No. Insulation Color Stripe
Color		 Conductor No. Insulation
Color		 Stripe
Color
1 Black - 14 Green White
2 White - 15 Blue White
3 Red - 16 Black Red
4 Green - 17 White Red
5 Orange - 18 Orange Red
6 Blue - 19 Blue Red
7 White Black 20 Red Green
8 Red Black 21 Orange Green
9 Green Black 22 Black -
10 Orange Black 23 White -
11 Blue Black 24 Red -
12 Black White 25 Green -
13 Red White

Temperature Rating:

75°C

Voltage Rating:

600 V

Cable Parameter :

AWG No.
of
Conductor		 Solid or Stranded Insulation Thickness Sheath thickness Overall Diameter Cable Weight
inches mm inches mm inches mm Lbs./ Kft Kg/Km
18 5 7strand 0.025 0.64 0.045 1.14 0.354 8.99 60 89
16 2 solid 0.025 0.64 0.045 1.14 0.299 7.59 39 58
16 7 7strand 0.025 0.64 0.045 1.14 0.419 10.64 102 152
16 20 7strand 0.025 0.64 0.06 1.52 0.696 17.68 278 414
14 2 solid 0.025 0.64 0.045 1.14 0.25 6.35 52 77
14 2 7strand 0.025 0.64 0.045 1.14 0.341 8.66 55 82
14 3 solid 0.025 0.64 0.045 1.14 0.342 8.69 66 98
14 3 7strand 0.025 0.64 0.045 1.14 0.359 9.12 71 106
14 4 solid 0.025 0.64 0.045 1.14 0.372 9.45 85 126
14 4 7strand 0.025 0.64 0.045 1.14 0.391 9.93 88 131
14 5 solid 0.025 0.64 0.045 1.14 0.406 10.31 103 153
14 5 7strand 0.025 0.64 0.045 1.14 0.43 10.92 108 161
14 6 solid 0.025 0.64 0.045 1.14 0.44 11.18 118 176
14 6 7strand 0.025 0.64 0.045 1.14 0.464 11.79 127 189
14 7 solid 0.025 0.64 0.045 1.14 0.44 11.18 136 202
14 7 7strand 0.025 0.64 0.045 1.14 0.464 11.79 141 210
14 8 solid 0.025 0.64 0.045 1.14 0.476 12.09 155 231
14 8 7strand 0.025 0.64 0.045 1.14 0.507 12.88 160 238
14 9 solid 0.025 0.64 0.045 1.14 0.511 12.98 172 256
14 9 7strand 0.025 0.64 0.06 1.52 0.571 14.50 192 286
14 10 solid 0.025 0.64 0.06 1.52 0.586 14.88 197 293
14 10 7strand 0.025 0.64 0.06 1.52 0.592 15.04 205 305
14 12 solid 0.025 0.64 0.06 1.52 0.603 15.32 232 345
14 12 7strand 0.025 0.64 0.06 1.52 0.636 16.15 244 363
14 14 7strand 0.025 0.64 0.06 1.52 0.668 16.97 280 417
14 15 solid 0.025 0.64 0.06 1.52 0.667 16.94 284 423
14 15 7strand 0.025 0.64 0.06 1.52 0.704 17.88 302 449
14 16 solid 0.025 0.64 0.06 1.52 0.667 16.94 299 445
14 16 7strand 0.025 0.64 0.06 1.52 0.704 17.88 316 470
14 19 solid 0.025 0.64 0.06 1.52 0.701 17.81 348 518
14 19 7strand 0.025 0.64 0.06 1.52 0.741 18.82 366 545
14 20 solid 0.025 0.64 0.06 1.52 0.737 18.72 370 550
14 20 7strand 0.025 0.64 0.06 1.52 0.779 19.79 387 576
14 21 solid 0.025 0.64 0.06 1.52 0.737 18.72 384 571
14 21 7strand 0.025 0.64 0.06 1.52 0.779 19.79 405 603
14 25 solid 0.025 0.64 0.06 1.52 0.796 20.22 450 670
14 25 7strand 0.025 0.64 0.08 1.52 0.925 23.50 518 771
12 2 solid 0.03 0.76 0.045 1.14 0.384 9.75 74 110
12 2 7strand 0.03 0.76 0.045 1.14 0.397 10.08 74 110
12 3 solid 0.03 0.76 0.045 1.14 0.402 10.21 99 147
12 3 7strand 0.03 0.76 0.045 1.14 0.42 10.67 103 153
12 4 solid 0.03 0.76 0.045 1.14 0.44 11.18 124 184
12 4 7strand 0.03 0.76 0.045 1.14 0.459 11.66 130 193
12 5 solid 0.03 0.76 0.045 1.14 0.48 12.19 152 226
12 5 7strand 0.03 0.76 0.045 1.14 0.503 12.78 159 237
12 7 solid 0.03 0.76 0.06 1.52 0.561 14.25 212 315
12 7 7strand 0.03 0.76 0.06 1.52 0.579 14.71 222 330
12 9 7strand 0.03 0.76 0.06 1.52 0.677 17.20 284 423
12 10 solid 0.03 0.76 0.06 1.52 0.69 17.52 296 440
12 10 7strand 0.03 0.76 0.06 1.52 0.686 17.42 309 460
12 12 solid 0.03 0.76 0.06 1.52 0.711 18.06 346 515
12 12 7strand 0.03 0.76 0.06 1.52 0.753 19.13 367 546
12 16 7strand 0.03 0.76 0.08 2.03 0.876 22.25 501 745
12 19 7strand 0.03 0.76 0.08 2.03 0.929 23.60 582 866
12 20 7strand 0.03 0.76 0.08 2.03 0.976 24.80 618 919
12 21 7strand 0.03 0.76 0.08 2.03 0.976 24.80 643 957
12 25 7strand 0.03 0.76 0.08 2.03 1.08 27.43 751 1117
10 2 7strand 0.03 0.76 0.045 1.14 0.443 11.25 107 159
10 3 solid 0.03 0.76 0.045 1.14 0.429 10.90 135 201
10 4 7strand 0.03 0.76 0.045 1.14 0.514 13.06 185 275
10 7 7strand 0.03 0.76 0.06 1.52 0.648 16.46 321 478
8 2 solid 0.03 0.76 0.045 1.14 0.475 12.07 146 217
8 2 19strand 0.03 0.76 0.045 1.14 0.505 12.83 150 223
8 3 19strand 0.03 0.76 0.045 1.14 0.508 12.90 195 290
8 7 solid 0.03 0.76 0.06 1.52 0.696 17.68 454 675