LT AERIAL BUNCHED CABELS AS PER IS: 14255-1995

Phase Conductor Aluminum
Street Lighting Conductor Aluminium
Messenger Conductor Aluminium Alloy
Nom. Area
Max. D.C Conductor Resistance At 20 Deg. C
Nom. Thickness Of Insulation XLPE/PF
Nom. Area
Max. D.C Conductor Resistance At 20 Deg. C
Nom. Thickness Of Insulation XLPE/PE
Nom. Area
Max. D.C Conductor Resistance At 20 Deg. C
Min. Breaking Load
Sqmm
Ohm/Km
mm
Sqmm
Ohm/Km
mm
Sqmm
Ohm/Km
KN
16
1.91
1.2
16
1.91
1.2
25
1.38
7
25
1.2
1.2
16
1.91
1.2
25
1.38
7
35
0.868
1.2
16
1.91
1.2
25
1.38
7
50
0.641
1.5
16
1.91
1.2
35
0.986
9.8
70
0.443
1.5
16
1.91
1.2
50
0.689
14
95
0.32
1.5
16
1.91
1.2
70
0.492
19.7


COMPOSITION AND DESIGNATION OF LT AERIAL BUNCHED CABLES AS PER RED SPECIFICATION NO. 32


Designation
Complete Bunched Cables
Approx. Overall Dia.
Approx. Total Mass
 
mm
Kg/Km
3X16+25
19
250
3X16+16+25
19
310
3X25+25
22
330
3X25+16+25
22
390
3X35+25
24
430
3X35+16+25
24
490
3X50+35
32
580
3X50+16+35
32
640



LT AERIAL BUNDLED CONDUCTOR (ABC) POLYMERIC INSULATED AS PER BS: 7870 (PART-5) 1999
Nominal Cross Sectional Area of Conductor
Max. D.C Resistance At 20 Deg. C Of XLPE Mix Average Thickness Conductor Ultimate Tensile Strength of Insulation
25
1.200
1.3
4.1
35
0.868
1.3
5.6
50
0.641
1.5
7.6
70
0.443
1.5
11.0
95
0.320
1.7
15.3
120
0.253
1.7
19.4

CHARACTERISTICS OF CONDUCTORS AND CORES FOR LT AERIAL BUNCHED CABLES ASPER NFC 33-2099

Designation
Conductor
Average Thickness of Insulating Sheath Specified Min.
Core
Type
Nominal Sectional Area
No. of Strands
Max. Linear Resistance At 20 Deg. C
Min. Conductor Dia. Min.
Breaking Strength Max.
Breaking Strength Max.
Max.
Sqmm
Ohm/Km
mm
daN
daN
mm
mm
mm
PHASE OR NEUTRAL NON RETURN
16
7
1.91
4.7
190
290
1.2
7
7.9
25
7
12
6
300
450
14
8.7
9.6
35
7
0.641
8.2
600
900
1.6
11.3
12.3
50
7
0.641
8.2
600
900
1.6
11.3
12.3
70
12
0.443
9.8
840
1260
1.8
13.3
14.3
NEUTRAL RETURN
54.6
7
0.63
9.2
1660
-
1.6
12.3
13


COMPOSITION AND DESIGNATIN OF HT AERIAL BUNCHED CABLE AS PER REC SPECIFICATION NO. 64
Designation
Complete Bunched Cables
Approx. Overall Dia.
Approx. Total Mass
Mm
Kg/Km
6.35/11 KV 3X35+70
53
1450
6.35/11 KV 3X70+70
59
1900