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750V 70C NYY-GRD
 TIS 11-2531, TABLE 14 (3 CORE)
 NYY-GRD(3 CORE) CABLE
Construction
1. Conductor : Solid or concentric stranded annealed copper wires
2. Insulation : Polyvinyl chloride (PVC)
    Identification : Phase - Gray, Black and Red color
  Ground - Green/Yellow 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.
Phase conductor
 Ground conductor
 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
 Thickness
of
insulation

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

No./mm
 Thickness
of
insulation

mm
 in
air


A
 in
ground


A
1 1/1.13 0.8 1 1/1.13 0.6 0.8 1.8 13.5 13 19 0.0141 200 500/D
1 7/0.40 0.8 1 7/0.40 0.6 0.8 1.8 14.0 13 19 0.0135 200 500/D
1.5 1/1.38 0.8 1 1/1.13 0.6 0.8 1.8 14.0 17 23 0.0123 220 500/D
1.5 7/0.50 0.8 1 7/0.40 0.6 0.8 1.8 14.5 17 23 0.0116 220 500/D
2.5 1/1.78 0.8 1.5 1/1.38 0.6 0.8 1.8 15.0 23 32 0.0102 270 500/D
2.5 7/0.67 0.8 1.5 7/0.50 0.6 0.8 1.8 16.0 23 32 0.0093 270 500/D
4 1/2.25 0.9 2.5 1/1.78 0.6 0.8 1.8 17.0 30 41 0.0094 360 500/D
4 7/0.85 0.9 2.5 7/0.67 0.6 0.8 1.8 17.5 30 41 0.0085 360 500/D
6 7/1.04 0.9 4 7/0.85 0.6 0.8 1.8 19.0 39 52 0.0073 490 500/D
10 7/1.35 1.1 4 7/0.85 0.6 0.8 1.8 22.5 53 71 0.0069 690 500/D
16 7/1.70 1.1 6 7/1.04 0.6 1.2 2.0 26.5 70 90 0.0057 1010 500/D
25 7/2.14 1.3 6 7/1.04 0.6 1.2 2.0 31.0 93 117 0.0054 1410 500/D
35 19/1.53 1.3 10 7/1.35 0.6 1.2 2.0 34.0 112 140 0.0047 1820 500/D
50 19/1.78 1.5 10 7/1.35 0.6 1.5 2.2 36.0 134 165 0.0046 2510 500/D
70 19/2.14 1.5 10 7/1.35 0.6 1.5 2.2 40.5 166 203 0.0039 3170 500/D
95 19/2.52 1.7 16 7/1.70 0.6 1.5 2.4 46.0 205 242 0.0038 4280 500/D
120 37/2.03 1.7 16 7/1.70 0.6 1.8 2.6 50.5 238 280 0.0034 5280 300/D
150 37/2.25 1.9 25 7/2.14 0.6 1.8 2.8 56.0 272 309 0.0034 6460 300/D
185 37/2.52 2.1 25 7/2.14 0.6 2.0 3.0 61.5 314 349 0.0034 7980 300/D
240 61/2.25 2.3 35 19/1.53 0.6 2.0 3.2 69.0 376 405 0.0033 10250 200/D
300 61/2.52 2.5 35 19/1.53 0.6 2.2 3.4 76.0 432 456 0.0032 12600 200/D
 

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