| POST
OFFICE TELECOMMUNICATIONS SPECIFICATION TO CW 1308C 電話線 CW1308C |
| Conductor
導體
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: : |
Solid wire of annealed high conductivity copper 高導電性銅
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Insulation 絕緣 |
: : |
Complies with PVC compound Type 2 in BS 6746. 聚氯乙烯絕緣
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Stranding |
: |
Layer/Unit construction.
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Construction 結構 |
: : |
Shielded/non-shield. 有護套/無護套
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Sheath 護套 |
: : |
Complies with PVC compound Type TM1 IN BS 6746. 聚氯乙烯護套合乎 TM1 IN BS 6746 |
| Note
備注 |
:
: |
These
range of cables can be supplied alternatively with Tinned Copper Conductor.
Different conductor size of cables are available upon special order.
可為人客制造不同大小的電線 |
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Norminal
Conductor diameter
導體直徑
(mm)
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Max.
Conductor reistance per 1 Km @ 20C
導體電阻(ohms)
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Insulation
min.radial thickness
絕緣厚度(mm)
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Maximum
overall diameter
直徑(mm)
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Insulation
resistance
絕緣電阻
(volt DC)
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Capacitance
unbalance
電容不平衡(pF/500M)
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0.5
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97.8
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0.15
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0.95
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>500
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500
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Description
(No.of Pair) 外表
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Construction
結構
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Sheath
Thickness
Minimum 護套厚度(mm)
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Overall
Diameter
Maximum 直徑(mm)
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0.40
0.60 0.60 0.60 0.60 0.60 0.70 0.70 0.70 0.80 0.70 0.80 0.80 0.80 0.90 1.10 1.20 1.60 1.60 1.70 1.70 2.00 2.20 |
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4.3
4.5 5.8 6.8 7.6 8.3 9.1 9.8 10.2 10.7 12.0 11.4 12.2 12.4 15.0 16.5 22.5 25.1 25.4 26.0 30.3 35.2 39.5 |
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