Marine Cables
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Power Distribution Cables

Twisted pairs unshielded Type T/N signal cables

Construction

Conductor:

Stranded copper conductor tin or alloy coated where necessary for the application , conductor per ASTM or IEC

60228.

Separator tape: optional

Insulation:

Polyvinylchloride(PVC)/nylon according to IEEE 1580 2010 Type T/N，Type X, E, T, S, P, LSX and LSE as option.

Jacket:

Thermosetting Polychloroprene(neoprene) according to IEEE 1580 2010 Type N，

Type T, CP, CPE, L, P or TPO jacket as option (optional for Type P with HD thicknesses).

Armor: optional and shall be nonmagnetic

Sheath:

Thermosetting Polychloroprene(neoprene) according to IEEE 1580 2010 Type N，

Type T, CP, CPE, L, P or TPO sheath as option (optional except for tinned copper braid armoured cables).

Optional: For halogen-free constructions, Type LSX, LSE or LSS insulation shall be used with a Type L or TPO

jacket/sheath.

Table B.15—Typical dimensions and weights; twisted-pair signal cable 300 V; Type T/N cables, unshielded pairs


Number
of pairs

Conductor
AWG size

Unarmored

Armored

Armored and sheathed

Nom.
dia. (in)

Approx.
weight (lb/1000 ft)

Nom. dia. (in)

 Approx.
weight (lb/1000 ft)		 Nom. dia. (in) Approx.
weight (lb/1000 ft)
1 20 0.26 31 0.32 47 0.41 79
2 20 0.36 51 0.42 72 0.51 112
3 20 0.4 66 0.46 87 0.59 153
4 20 0.44 80 0.5 104 0.63 175
5 20 0.48 95 0.54 122 0.67 198
6 20 0.5 107 0.56 134 0.69 212
8 20 0.58 150 0.64 181 0.77 269
10 20 0.65 180 0.71 213 0.88 343
15 20 0.72 242 0.78 279 0.95 421
20 20 0.79 303 0.85 343 1.02 496
25 20 0.94 408 1 455 1.17 608
30 20 0.99 469 1.05 519 1.22 697
40 20 1.1 594 1.16 650 1.33 836
50 20 1.21 717 1.27 782 1.44 986
60 20 1.37 850 1.43 924 1.6 1146
1 18 0.28 38 0.34 54 0.44 92
2 18 0.39 66 0.45 87 0.58 152
3 18 0.44 88 0.5 112 0.63 183
4 18 0.48 109 0.54 136 0.67 212
5 18 0.56 148 0.62 179 0.75 265
6 18 0.58 167 0.64 198 0.77 286
8 18 0.64 208 0.7 241 0.83 337
10 18 0.72 252 0.78 289 0.95 431
15 18 0.8 347 0.86 387 1.03 542
20 18 0.91 477 0.97 524 1.14 697
25 18 1.04 583 1.1 636 1.27 830
30 18 1.09 677 1.15 733 1.32 935
40 18 1.22 868 1.28 933 1.45 1157
50 18 1.34 1057 1.4 1128 1.57 1371
60 18 1.52 1257 1.58 1337 1.81 1713
1 16 0.32 49 0.38 67 0.48 108
2 16 0.45 85 0.51 109 0.64 181
3 16 0.51 115 0.57 144 0.7 224
4 16 0.59 160 0.65 191 0.78 281
5 16 0.66 192 0.72 227 0.89 359
6 16 0.68 218 0.74 253 0.91 388
8 16 0.75 273 0.81 310 0.98 457
10 16 0.89 367 0.95 412 1.12 582
15 16 0.99 500 1.05 550 1.22 736
20 16 1.08 632 1.14 688 1.31 889
25 16 1.23 773 1.29 838 1.46 1063
30 16 1.3 901 1.36 969 1.53 1206
40 16 1.45 1160 1.51 1236 1.74 1596
50 16 1.59 1416 1.65 1499 1.88 1890
60 16 1.88 1797 1.94 1897 2.17 2353

NOTE—These values are for reference purposes only and should not be construed as requirements. Dimensions are based on the use of Class B conductors. Weights of armored constructions are based on aluminum braid armor. It is recommended that the user/specifier contact the manuf acturer for manufacturer specific values.