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750V 70C NYY
 TIS 11-2531, TABLE 7 (2 CORE)
 NYY(2 CORE) CABLE
Construction
1. Conductor : Solid or concentric stranded annealed copper wires
2. Insulation : Polyvinyl chloride (PVC)
    Identification : Gray and Black color
3. Inner Sheath : Polyvinyl chloride (PVC), Black color
4. Outer Sheath : Polyvinyl chloride (PVC), Black color
Application
For installation exposed or in raceway, dry or wet location or direct burying in ground.
Conductor
 Thickness
of
insulation


mm
 Thickness
of
inner
Sheath

mm
 Thickness
of
outer
Sheath

mm
 Overall
diameter



mm
 Current rating Minimum
insulation
resistance
(at 70°C)

Mohm-km
 Cable
weight
(Approx.)


kg/km
 Standard
Length



m
Nominal
cross-
sectional
area
sq.mm
 No.& dia.
of
wires

No./mm
 in
air


A
 in
ground


A
1 1/1.13 0.8 0.8 1.8 12.0 16 22 0.0141 160 100/C
1 7/0.40 0.8 0.8 1.8 12.5 16 22 0.0135 160 100/C
1.5 1/1.38 0.8 0.8 1.8 12.5 20 28 0.0123 180 100/C
1.5 7/0.50 0.8 0.8 1.8 13.0 20 28 0.0116 180 100/C
2.5 1/1.78 0.8 0.8 1.8 13.5 26 36 0.0102 210 100/C
2.5 7/0.67 0.8 0.8 1.8 14.0 26 36 0.0093 210 100/C
4 1/2.25 0.9 0.8 1.8 15.0 35 49 0.0094 280 100/C
4 7/0.85 0.9 0.8 1.8 15.5 35 49 0.0085 280 100/C
6 7/1.04 0.9 0.8 1.8 17.0 44 61 0.0073 370 100/C
10 7/1.35 1.1 0.8 1.8 19.5 62 83 0.0069 530 500/D
16 7/1.70 1.1 0.8 2.0 22.5 81 106 0.0057 720 500/D
25 7/2.14 1.3 1.2 2.0 27.0 108 138 0.0054 1090 500/D
35 19/1.53 1.3 1.2 2.0 29.5 132 167 0.0047 1360 500/D
50 19/1.78 1.5 1.2 2.2 33.5 160 199 0.0046 1880 500/D
70 19/2.14 1.5 1.5 2.2 38.0 199 244 0.0039 2430 500/D
95 19/2.52 1.7 1.5 2.2 42.5 242 293 0.0038 3220 500/D
120 37/2.03 1.7 1.5 2.4 46.5 283 335 0.0034 3940 500/D
150 37/2.25 1.9 1.8 2.6 52.0 325 375 0.0034 4840 300/D
185 37/2.52 2.1 1.8 2.8 57.0 373 422 0.0034 5970 300/D
240 61/2.25 2.3 2.0 3.0 64.0 442 486 0.0033 7700 300/D
300 61/2.52 2.5 2.2 3.2 70.5 510 550 0.0032 9450 200/D
 

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