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750V 70C NYY
 TIS 11-2531, TABLE 7 (4 CORE)
 NYY(4 CORE) CABLE
Construction
1. Conductor : Solid or concentric stranded annealed copper wires
2. Insulation : Polyvinyl chloride (PVC)
    Identification : Gray, Black, Red and Blue 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 13.5 12 17 0.0141 200 100/C
1 7/0.40 0.8 0.8 1.8 14.0 12 17 0.0135 200 100/C
1.5 1/1.38 0.8 0.8 1.8 14.0 16 22 0.0123 230 100/C
1.5 7/0.50 0.8 0.8 1.8 14.5 16 22 0.0116 230 100/C
2.5 1/1.78 0.8 0.8 1.8 15.0 20 28 0.0102 290 100/C
2.5 7/0.67 0.8 0.8 1.8 16.0 20 28 0.0093 290 100/C
4 1/2.25 0.9 0.8 1.8 17.0 27 37 0.0094 390 100/C
4 7/0.85 0.9 0.8 1.8 17.5 27 37 0.0085 390 100/C
6 7/1.04 0.9 0.8 1.8 19.0 34 46 0.0073 530 100/C
10 7/1.35 1.1 0.8 2.0 23.0 46 61 0.0069 810 500/D
16 7/1.70 1.1 1.2 2.0 26.5 63 80 0.0057 1160 500/D
25 7/2.14 1.3 1.2 2.0 31.0 83 104 0.0054 1700 500/D
35 19/1.53 1.3 1.5 2.2 35.0 111 124 0.0047 2240 500/D
50 19/1.78 1.5 1.5 2.2 39.5 119 146 0.0046 3070 500/D
70 19/2.14 1.5 1.5 2.4 44.5 150 179 0.0039 3970 500/D
95 19/2.52 1.7 1.8 2.6 51.5 185 214 0.0038 5410 300/D
120 37/2.03 1.7 1.8 2.8 56.0 216 244 0.0034 6640 300/D
150 37/2.25 1.9 2.0 3.0 62.0 247 274 0.0034 8130 300/D
185 37/2.52 2.1 2.0 3.2 68.0 285 309 0.0034 10050 200/D
240 61/2.25 2.3 2.2 3.4 76.5 340 359 0.0033 12960 200/D
300 61/2.52 2.5 2.2 3.8 85.0 389 403 0.0032 16040 200/D
 

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