FIRE RESISTANT CABLE
9RMZIVWEP'EFPI 1 &IVLEH 9'1& MRGSVTSVEXIHMRSRISJXLI¾EKWLMTWYFWMHMEVMIWSJ
0IEHIV9RMZIVWEP,SPHMRKW&IVLEHEGSQTER]PMWXIHMRXLI/YEPE0YQTYV7XSGO)\GLERKILEW
grown steadily to become the country’s single largest cable manufacturer today.
Through its far-sighted planning and unceasing product and service innovation, UCMB has
WYGGIWWJYPP]GYPXMZEXIHEQERYJEGXYVMRKTVS½PISJERI\XIRWMZIVERKISJGEFPIERH[MVITVSHYGXW
-XLEWEGLMIZIHEHMWXMRKYMWLIHVITYXEXMSREWEPIEHMRKWYTTPMIVSJTS[IVERHXIPIGSQQYRMGEXMSR
cable to major corporations both local and foreign.
8SHE]9'1&LEWSRISJXLIQSWXEHZERGIHJEGMPMXMIWJSVQERYJEGXYVMRKSJ½VIVIWMWXERXGEFPIMR
XLI%WME4EGM½GVIKMSR[MXL[SVPHGPEWWUYEPMX]WXERHEVHW*MVIVIWMWXERXGEFPIQERYJEGXYVIHF]
9'1&TVSZMHI¾I\MFMPMX]VIWMWXERGIXSLMKLXIQTIVEXYVIERHVIWMWXERGIXSGSQFYWXMSR[MXLPS[
toxicity, low smoke and low acid gas generation.
This catalouge serves as a guide to UCMB’s manufacturing processess and standards in the
QERYJEGXYVMRKSJ*MVI6IWMWXERXGEFPI
CONTENTS
Page
INTRODUCTION................................................................................................................................................. 1
FIRE RESISTANT CABLE ...............................................................................................................................
INTERNATIONAL STANDARD COMPLIANCE .............................................................................. 9
CABLE STRUCTURAL DESCRIPTION AND CONSTRUCTION DATA
1MRIVEP-RWYPEXIH <0):%1- *MVI6IWMWXERX *6 ERH*PEQI6IXEVHERX'EFPI O: ..........10
CONSTRUCTION OF CABLES
9'1&´W*MVI6IWMWXERXGEFPILEZIFIIRHIZIPSTIHXSQEMRXEMRGMVGYMXMRXIKVMX]MRE½VIERHXSIRWYVIQE\MQYQWEJIIZEGYEXMSRSJ
personnel with no detrimental effects like toxic gases or smoke.
8LI*MVI6IWMWXERXGEFPIEVIGSRWXVYGXIHMRXLIJSPPS[MRKX]TMGEPJSVQEX
7XVERHIH%RRIEPIH'STTIV'SRHYGXSV
1MGE8ETI*MVI6IWMWXMRK&EVVMIV
<0):%1-<04))46073,4)4:'EW4VMQEV]-RWYPEXMSR1EXIVMEP
*PEQI6IXEVHERX073,4:'EW&IHHMRKSV7LIEXLMRK1EXIVMEP
*MVI6IWMWXERXGEFPIQE]FIWMRKPIGSVISVQYPXMGSVIGSRWXVYGXMSRW8LIGEFPIQE]FIYREVQSYVIHEVQSYVIHFVEMHIH[MXLSV
[MXLSYXQIXEPPMGWGVIIRIHHITIRHMRKSRSYVGYWXSQIV´WWTIGM½GETTPMGEXMSR
INTERNATIONAL STANDARD
COMPLIANCE
8LI*MVI6IWMWXERXGEFPIWQERYJEGXYVIHF]9'1&GSQTPMIH[MXLIMXLIVSRISVGSQFMREXMSRSJXLIWTIGM½GEXMSREWFIPS[
*MVIVIWMWXERX
)'&777
*PEQIVIXEVHERX
-)'&7&7)2-)))
7QSOIIQMWWMSR
-)'&7&7)2
%GMHKEWIQMWWMSR -)'&7&7)2
3\]KIRMRHI\
%781(
8LI*MVI6IWMWXERXGEFPIQE]GEXIKSVM^IHF]EPIXXIVW]QFSP IK% SVWIVMIWSJW]QFSPW IK';> MREGGSVHMRKXSXLI
VIUYMVIQIRXWJSV½VIVIWMWXERGIGLEVEGXIVMWXMGW[LMGLXLI]QIIXXLIXIWXXIQTIVEXYVIWIPIGXIHERHXLIHYVEXMSRSJXLIXIWXJSV
VIWMWXERGIXS½VIEPSRIMREGGSVHMRKXS&7EWFIPS[
Symbol
DESCRIPTION
7MRKPIGSVIERHQYPXMGSVIGEFPI[MXLGSTTIVGSRHYGXSVQMGEXETI<0):%1-GSQTSYRHERH073,WLIEXLIH
'EFPIEVIVEXIHEX O:
CONSTRUCTION
'SRHYGXSV
4PEMRGMVGYPEVSVGSQTEGXIHWXVERHIHGSTTIVGSRHYGXSVGSRJSVQXS-)'GPEWW
*MVITVSSJPE]IV
Mica tape.
-RWYPEXMSR
*PEQIVIXEVHERX'VSWWPMROIHPS[WQSOI^IVSLEPSKIRQMRIVEPMRWYPEXIH <0):%1- GSQTSYRH
'SPSYVWJSVGSVIMHIRXM½GEXMSR
Single core
natural
Two core
red, black
Three core
red, yellow and blue
*SYVGSVI
red, yellow, blue and black
36
2I[GSVIGSPSYVW
Single core
brown or blue
Two core
brown, blue
Three core
brown, black, grey
*SYVGSVI
brown, black, grey, blue
Copper Conductor
Mica Tape
<04)-RWYPEXMSR
2SRL]KVSWGSTMG*MPPIV
Binder Tape
073,SV4:'7LIEXL
DESCRIPTION
7MRKPIGSVIERHQYPXMGSVIGEFPI[MXLGSTTIVGSRHYGXSVQMGEXETI<04)GSQTSYRHERH073,SV4:'WLIEXLIH
'EFPIEVIVEXIHEX O:
CONSTRUCTION
'SRHYGXSV
4PEMRGMVGYPEVSVGSQTEGXIHWXVERHIHGSTTIVGSRHYGXSVGSRJSVQXS-)'GPEWW
*MVITVSSJPE]IV
Mica tape.
-RWYPEXMSR
'VSWWPMROIH4SP]IXL]PIRI <04) GSQTSYRH
'SPSYVWJSVGSVIMHIRXM½GEXMSR
Single core
natural
Two core
red, black
Three core
red, yellow and blue
*SYVGSVI
red, yellow, blue and black
36
2I[GSVIGSPSYVW
Single core
brown or blue
Two core
brown, blue
Three core
brown, black, grey
*SYVGSVI
brown, black, grey, blue
FIRE RESISTANT (FR) AND FLAME RETARDANT ARMOURED LSOH
OR PVC SHEATHED CABLE - SINGLE CORE
CU/MICA/XLPE/LSOH/AWA/LSOH CABLE OR
'91-'%<04)4:'%;%4:''%&0)
2SQMREP
crosssectional
area
Conductor
Shape
mm2
O:
2SQMREP
thickness of
insulation
%TTVS\
bedding
diameter
2SQMREP
diameter of
aluminium
2SQMREP
thickness
of sheath
%TTVS\
overall
diameter
%TTVS\
cable
weight
Current
6EXMRK
Voltage
Drop
mm
mm
mm
mm
mm
/K/Q
%
Q:%Q
1.5
2.5
r.m.
r.m.
r.m.
0.7
0.7
0.7
5.5
5.9
6.5
0.9
0.9
0.9
10.9
11.3
11.9
160
210
37
27
16
10
6
10
16
r.m.
r.m.
c.c.
0.7
0.7
0.7
7.0
0.9
0.9
0.9
300
370
60
106
2.5
25
35
50
c.c.
c.c.
c.c.
0.9
0.9
1.0
10.5
11.6
13.0
0.9
0.9
1.25
15.9
17.0
19.1
500
620
170
222
1.62
70
95
120
c.c.
c.c.
c.c.
1.1
1.1
1.2
16.7
1.25
1.25
1.6
21.0
25.7
1050
0.62
0.39
150
c.c.
c.c.
c.c.
1.6
1.7
20.2
25.0
1.6
1.6
1.6
1.9
27.5
29.7
32.5
1990
3030
529
625
0.33
300
500
c.c.
c.c.
c.c.
2.0
2.2
31.3
1.6
2.0
2.0
1.9
2.1
2.2
35.3
3710
5900
720
0.21
0.195
630
1000
c.c.
c.c.
r.m.
2.6
2.0
2.5
2.5
2.3
2.5
2.7
53.1
61.7
1027
1119
0.170
0.165
0.155
FIRE RESISTANT (FR) AND FLAME RETARDANT ARMOURED LSOH
OR PVC SHEATHED CABLE - TWO CORES
CU/MICA/XLPE/LSOH/SWA/LSOH CABLE OR
'91-'%<04)4:'7;%4:''%&0)
2SQMREP
crosssectional
area
Conductor
Shape
mm2
2SQMREP
thickness of
insulation
%TTVS\
bedding
diameter
2SQMREP
diameter of
steel wire
2SQMREP
thickness
of sheath
%TTVS\
overall
diameter
%TTVS\
cable
weight
O:
Current
6EXMRK
Voltage
Drop
mm
mm
mm
mm
mm
/K/Q
%
Q:%Q
1.5
2.5
r.m.
r.m.
r.m.
0.7
0.7
0.7
9.1
10.0
11.0
0.9
0.9
0.9
390
500
29
39
52
31
19
12
6
10
16
r.m.
r.m.
c.c.
0.7
0.7
0.7
12.2
15.7
0.9
1.25
1.25
17.6
20.1
590
1050
66
90
115
7.9
2.9
25
35
50
c.c.
c.c.
c.c.
0.9
0.9
1.0
19.0
21.3
1.6
1.6
1.6
31.3
1550
152
1.9
1.35
1.00
70
95
120
c.c.
c.c.
c.c.
1.1
1.1
1.2
32.2
35.6
1.6
2.0
2.0
2.0
2.1
2.2
35.5
291
0.69
0.52
150
c.c.
c.c.
c.c.
1.6
1.7
2.0
2.5
2.5
2.3
2.5
2.7
55.1
5610
7250
539
636
0.35
0.29
300
c.c.
c.c.
2.0
55.2
61.6
2.5
2.5
3.1
10710
732
0.21
0.19
2SXIVQGMVGYPEVWXVERHIHGGGSQTEGXIHGMVGYPEVWXVERHIH
23
FIRE RESISTANT (FR) AND FLAME RETARDANT ARMOURED LSOH
OR PVC SHEATHED CABLE - THREE CORES
CU/MICA/XLPE/LSOH/SWA/LSOH CABLE OR
'91-'%<04)4:'7;%4:''%&0)
2SQMREP
crosssectional
area
Conductor
Shape
mm2
2SQMREP
thickness of
insulation
%TTVS\
bedding
diameter
2SQMREP
diameter of
steel wire
2SQMREP
thickness
of sheath
%TTVS\
overall
diameter
%TTVS\
cable
weight
Current
6EXMRK
Voltage
Drop
mm
mm
mm
mm
mm
/K/Q
%
Q:%Q
1.5
2.5
r.m.
r.m.
r.m.
0.7
0.7
0.7
9.7
10.6
11.7
0.9
0.9
0.9
15.1
16.0
17.1
570
25
33
27
16
10
6
10
16
r.m.
r.m.
c.c.
0.7
0.7
0.7
13.0
15.0
0.9
1.25
1.25
21.1
22.9
1000
1250
56
99
2.5
25
35
50
c.c.
c.c.
c.c.
0.9
0.9
1.0
20.3
26.2
1.6
1.6
1.6
1.9
27.1
29.6
33.2
2270
131
162
197
1.65
1.15
70
95
120
c.c.
c.c.
c.c.
1.1
1.1
1.2
30.7
2.0
2.0
2.0
2.0
2.2
2.3
5070
251
353
0.60
0.37
150
c.c.
c.c.
c.c.
1.6
1.7
2.5
2.5
2.5
2.5
2.6
53.6
65.0
7720
9220
11520
0.30
0.26
0.21
300
c.c.
c.c.
2.0
59.2
66.1
2.5
2.5
3.0
3.2
71.2
13960
17190
0.165
FIRE RESISTANT (FR) AND FLAME RETARDANT ARMOURED LSOH
OR PVC SHEATHED CABLE - FOUR CORES
CU/MICA/XLPE/LSOH/SWA/LSOH CABLE OR
'91-'%<04)4:'7;%4:''%&0)
2SQMREP
crosssectional
area
Conductor
Shape
mm2
2SQMREP
thickness of
insulation
%TTVS\
bedding
diameter
2SQMREP
diameter of
steel wire
2SQMREP
thickness
of sheath
%TTVS\
overall
diameter
%TTVS\
cable
weight
O:
Current
6EXMRK
Voltage
Drop
mm
mm
mm
mm
mm
/K/Q
%
Q:%Q
1.5
2.5
r.m.
r.m.
r.m.
0.7
0.7
0.7
10.6
11.5
12.9
0.9
0.9
0.9
16.0
16.9
25
33
27
16
10
6
10
16
r.m.
r.m.
c.c.
0.7
0.7
0.7
16.5
1.25
1.25
1.6
22.6
25.3
910
1170
56
99
2.5
25
35
50
c.c.
c.c.
c.c.
0.9
0.9
1.0
22.5
25.3
29.0
1.6
1.6
1.6
1.9
2.0
29.3
32.3
36.2
2230
131
162
197
1.65
1.15
70
95
120
c.c.
c.c.
c.c.
1.1
1.1
1.2
2.0
2.0
2.5
2.2
2.3
2.5
251
353
0.60
0.37
150
c.c.
c.c.
c.c.
1.6
1.7
52.5
59.3
2.5
2.5
2.5
2.6
3.0
71.3
9570
11510
0.30
0.26
0.21
300
c.c.
c.c.
2.0
65.9
2.5
3.15
3.2
3.5
17610
22910
0.165
2SXIVQGMVGYPEVWXVERHIHGGGSQTEGXIHGMVGYPEVWXVERHIH
O:
APPENDIX :
TECHNICAL DATA
CURRENT CARRYING CAPACITY
The Current Carrying Capacity given in the previous tables are based on the assumption shown below :
1) Maximum Conductor Temperature :-------------------------------------------------------------------------------- 90°C
%PPXLIVEXMRKWJSVGEFPIWVYRMREMVEVIFEWIHYTSRXLIEWWYQTXMSRXLEXXLI]EVIWLMIPHIHJVSQHMVIGXWYRPMKLXERH[MXLSYX
restriction of ventilation.
)JJIGXSJKVSYTMRKGEFPIW2SVIHYGXMSRMRVEXMRKMWRIGIWWEV][LIVIXLIVIMWJVIIGMVGYPEXMSRSJEMVEVSYRHXLIGMVGYMXWTVSZMHIHXLEX
8LILSVM^SRXEPGPIEVERGIFIX[IIRGMVGYMXWMWRSXPIWWXLERX[MGIXLISZIVEPPHMEQIXIVSJERMRHMZMHYEPGEFPI
2. The vertical clearance between circuits is not less than four times the diameter of an individual cable.
-JXLIRYQFIVSJGMVGYMXWI\GIIHWXLVIIXLI]EVIMRWXEPPEIHMRELSVM^SRXEPTPERI
8EFPI +63946%8-2+*%'8367*36'-6'9-873*8,6))7-2+0)'36)
CABLE, IN TREFOIL AND LAID FLAT TOUCHING, HORIZONTAL
FORMATION
Cable
voltage
(kV)
Spacing of circuits (between centres of cable groups)
2YQFIV
of circuits
Touching
0.15m*
0.3m
Q
0.6m
0.63
0.72
0.67
0.79
0.75
0.90
0.93
0.55
0.52
0.50
0.56
0.63
0.60
0.72
0.70
0.77
0.76
0.52
0.50
0.56
0.52
0.66
0.62
0.75
0.73
0.79
0.77
Trefoil
0EMH¾EX
2
3
0.77
0.65
0.59
5
6
7
9
10
*This spacing will not be possible for some of the larger diameter cable
8EFPI +63946%8-2+*%'8367*361908-'36)'%&0)-2
HORIZONTAL FORMATION
Cable
voltage
(kV)
2YQFIV
of circuits
Spacing of circuits (between centres of cable groups)
Touching
0.15m*
0.3m
Q
0.6m
2
3
0.70
0.63
0.91
0.93
0.90
5
6
7
0.59
0.55
0.52
0.70
0.67
0.76
0.79
9
10
0.50
0.62
0.60
0.72
0.70
0.77
0.75
0.73
0.79
0.77
25
8EFPI )0)'86-'%0',%6%'8)6-78-'7
Single core cable*
Conductor
WM^I
6IWMWXERGI 6
Multicore cable
6IEGXERGI ,^
6IWMWXERGI 6
Short circuit
rating at
1 second
Trefoil
*PEX
at 20°C
( DC )
at 90°C
%'
3LQOQ
O%
3LQOQ
3LQOQ
3LQOQ
3LQOQ
3LQOQ
0.21
0.36
0.57
0.169
0.271
0.252
0.236
12.1
0.103
0.097
0.091
1.15
3.93
2.33
2.29
0.137
0.129
0.222
0.206
0.196
1.15
3.93
2.33
25
35
50
0.727
0.927
5.01
7.15
0.122
0.116
0.106
0.175
0.727
0.927
0.079
0.077
0.076
70
95
120
0.193
0.153
0.197
10.02
13.59
17.17
0.103
0.096
0.161
0.156
0.193
0.153
0.197
0.075
0.073
0.073
150
0.0991
0.160
0.096
0.096
0.092
0.150
0.0991
0.160
0.073
0.073
0.072
300
500
0.0601
0.0366
0.0515
57.23
0.090
0.090
0.0601
-
-
0.072
0.069
-
630
1000
0.0221
0.0176
0.0363
0.0316
-
-
-
at 20°C
( DC )
at 90°C
%'
mm2
3LQOQ
1.5
2.5
12.1
6
10
16
8EFPI &)2(-2+6%(-97
1-2-191&)2(-2+6%(-97
Type
During installation
*M\IHMRWXEPPEXMSR
Unarmoured cable
10D
(
%VQSYVIHGEFPI
10D
(
2SXI(MWSZIVEPPGEFPIHMEQIXIV
8EFPI 7-();%0046)7796)
4IVQMWWMFPIQE\MQYQWMHI[EPPTVIWWYVIXSXLIGEFPIEXFIRHMRKTSMRXHYVMRKMRWXEPPEXMSRMW2Q
Side wall
pressure
to cable
P
4YPPMRKJSVGI 2
=
=
Bending radius (m)
6
6
Side wall
pressure
6
26
6IEGXERGI
,^
8EFPI 4)61-77-&0)1%<-1914900-2+*36') 4
Means of pulling
Type of cable
*SVQYPE
*EGXSV
With pulling eye
attached to the
conductor
%PPX]TIWSJGEFPIW
P = ѫ%
ѫ!2QQ2
Un-armoured cables*
P = ѫ%
ѫ!2QQ2
%VQSYVIHGEFPIW
P = k .d
O!2QQ2
With pulling stocking
2
* When pulling 3 single core cables simultaneously with a common pulling stocking, the same maximum pulling force applies, whereas the pulling force 3 laid-up single
core cables is 3 times that of a single core and for 3 non-laid-up single core cables is 2 times that of a single core
2SXETTPMGEFPIJSVLMKLZSPXEKIGEFPIW
4!4IVQMWWEFPIQE\MQYQTYPPMRKJSVGIMR2
%!8SXEPGVSWWWIGXMSREPEVIEMRQQòSJEPPGSRHYGXSVW FYXRSXWGVIIRSVGSRGIRXVMGGSRHYGXSV
d = Outside diameter of cable in mm
ѫ!4IVQMWWMFPIXIRWMPIWXVIWWSJGSRHYGXSVMR2QQò
O!)QTMVMGEPP]HIVMZIHJEGXSVMR2QQò
8EFPI8)14)6%896)'366)'8-32*%'8367*36'32(9'836
RESISTANCE
Temperature of
conductor (°C)
*EGXSVXS
convert to 20°C
6IGMTVSGEPXS
convert from 20°C
5
6
7
1.059
1.055
9
10
1.050
0.952
0.956
0.960
11
12
13
1.037
1.033
1.029
0.972
15
16
1.025
1.020
1.016
0.976
17
19
1.012
0.992
0.996
20
21
22
1.000
0.996
0.992
1.000
23
25
1.012
1.016
1.020
26
27
0.977
0.973
0.969
1.032
29
30
31
0.965
0.962
1.036
32
33
0.951
1.052
1.056
35
0.926
0.909
1.060
1.100
50
55
60
1.120
1.160
65
70
75
1.200
1.220
90
1.260
8LIQERYJEGXYVIVVIWIVZIWXLIVMKLXXSQSHMJ]SVZEV]XLIGSRWXVYGXMSRSVWTIGM½GEXMSRSJER]SJXLITVSHYGXWEXXLIMVHMWGVIXMSR
and without prior notice. The information contained herein is in line with the appropriate standards and sound electrical practice MXMWFIPMIZIHXSFIVIPMEFPIFYXEWIEGLETTPMGEXMSRMWYRMUYIXLIQERYJEGXYVIVGEREGGITXRSVIWTSRWMFMPMX]EWXSXLIWYMXEFMPMX]SJER]
products for a particular use, or for any errors or omissions, unintentional or otherwise.
SHORT CIRCUIT
CURRENT
Curves are based on :
* Cables was at maximum operating temperature of 90°C at the start of short-circuit.
*MREPGSRHYGXSVXIQTIVEXYVISJ'
500
400
300
200
150
100
90
80
70
60
50
1000
40
800
630
30
500
20
300
240
185
150
10
9
8
7
6
5
120
95
70
4
50
3
'SRHYGXSV7M^IW QQ2)
35
2
25
1
16
0.5
10
6
4
2.5
5.0
3.0
2.0
0.7
0.8
0.9
1.0
0.6
0.5
0.4
0.3
0.2
4.0
1.5
0.1
0.1
1E\MQYQ4IVQMWWMFPI7LSVX'MVGYMX'YVVIRX O%
400
Duration of Short Circuit ( second ) for Copper Conductor