It is used for power transmission on power lines of rated voltage 0.6/1KV or lower. It has strong resistant characters against electromagnetic interference, thunder strike and even electric potential, improving power supply quality. It is especially suitable to place with precision electronic devices such as computer center, space & aviation supervision center and intellectual building etc.
Executive standard: GB/T12706-2002
Type and description
Type
Description
Cu
Al
VVP
VVP22
VLVP
VLVP22
Power cable with Cu/Al core, PVC insulation, metallic shielding(steel tape armor), PVC sheath
YJVP
YJVP22
YJLVP
YJLVP22
Power cable with Cu/Al core, XLPE insulation, metallic shielding(steel tape armor), PVC sheath
Specification
Type
Core number
Nominal cross section area
Cu
Al
VVP
YJVP
VLVP
YJLVP
1
4~300
VVP
VV22P
YJVP
YJV22P
VLVP
VLV22P
YJLVP
YJLV22P
2
4~185
3
4~300
3+1
4
4~185
Main technical parameter
DC resistance of conductor at 20℃
insulated resistance
No.
Performance
PVC insulation
XLPE insulation
1
Volume resistance ratio(20℃) under cable working temperature
1013
1013
--
1010
2
Insulation resistance constant(20℃) under cable working temperature
36.7
0.037
--
3.67
Finished cable should endure A.C. voltage test of 3.5kV, AC 50Hz for 5min without puncture
Fire resistance performance of fire resistance cable should meet testing requirement of category A or B stipulated in IEC60331 or GB12666.6 standard
Flame retardant performance of flame retardant cable should meet testing requirement of category A or B or C stipulated in IEC60330 or GB/T18380.3 standard.