Applied to communication, audio, broadcasting, audio system, anti-theft alarm system, intelligent automation system, automatic meter reading system, fire protection system and other lines need to be anti-interference connection, efficient and safe tr
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Adapted to communicate audio, radio, audio system, burglar alarm system, intelligent automation, automatic meter reading systems, fire systems to be anti-interference circuit is connected, efficient and secure data transmission cable.
NH-RVVP compared RVVP, a layer of mica tape wrapped on the conductor, the cable having excellent fire resistance.
Conductor: annealed multicore stranded bare copper
Insulation: PVC insulation
shield: copper mesh braided shield
sheath: PVC sheath
Refractory: mica tape
JB / T8734.5-2012
rated voltage 300 / 500v
cable working temperature not higher than 70 ℃.
Short (the longest duration of no more than 5s) of the conductor temperature does not exceed 160 ℃.
Cabling ambient temperature should not be below 0 ℃, or need preheated.
a) non-armored cable layer shall be not less than 6 times the cable diameter;
B) with armor or copper screened cable, not less than 12 times the cable diameter;
C) with a shield layer flexible cable, not less than 6 times the cable diameter.
| Core Number*Section mm² | Number/Diameter No/mm | Insulation thickness mm | Sheath Thickness mm | Maximum Resistance of Copper Conductor at 20℃ Ω/km | Minimum Insulation Resistance at 70 ℃ Ω/km | Reference Diameter mm | |
| Copper core | Tinned copper | ||||||
| 8 × 0.5 | 28 / 0.15 | 0.5 | 0.8 | 39 | 40.1 | 0.012 | 8.4 |
| 8 × 0.75 | 42 / 0.15 | 0.6 | 0.9 | 26 | 26.7 | 0.011 | 9.7 |
| 8 × 1 | 32 / 0.20 | 0.6 | 0.9 | 19.5 | 20 | 0.01 | 10 |
| 8 × 1.5 | 48 / 0.20 | 0.7 | 1.1 | 13.3 | 13.7 | 0.01 | 12.1 |
| 8 × 2.5 | 77 / 0.20 | 0.8 | 1.2 | 7.98 | 8.21 | 0.009 | 14.1 |
| 8 × 4 | 56 / 0.30 | 0.8 | 1.2 | 4.95 | 5.09 | 0.007 | 16.6 |
| 8 × 6 | 84 / 0.30 | 0.8 | 1.2 | 3.3 | 3.39 | 0.006 | 18.4 |
| 10 × 0.5 | 28 / 0.15 | 0.5 | 0.8 | 39 | 40.1 | 0.012 | 9.8 |
| 10 × 0.75 | 42 / 0.15 | 0.6 | 0.9 | 26 | 26.7 | 0.011 | 11.4 |
| 10 × 1 | 32 / 0.20 | 0.6 | 0.9 | 19.5 | 20 | 0.01 | 11.8 |
| 10 × 1.5 | 48 / 0.20 | 0.7 | 1.1 | 13.3 | 13.7 | 0.01 | 14.2 |
| 10 × 2.5 | 77 / 0.20 | 0.8 | 1.2 | 7.98 | 8.21 | 0.009 | 16.6 |
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