布電線及電纜
Electrical wires and cables for interior wiring
執(zhí)行標(biāo)準(zhǔn)
STANDARD IMPLEMENTED
執(zhí)行標(biāo)準(zhǔn):GB5023-1997
Executive standard:GB5023-1997
使用特性
APPLICATION PROPERTIES
電纜的長期允許工作溫度;BV-90、RV-90應(yīng)不超過90℃，其它型號不超過70℃固定敷設(shè)用電纜(電線)的敷設(shè)溫度不低于0°℃。
允許彎曲半徑;電纜外徑(D)小于25mm者應(yīng)不小于4D，電纜外徑(D)25mm及以上者應(yīng)不小于6D。
Long term service temperature:BV-90 and RV-90 not exceeding90℃,other models not over 70℃;permanently laidcables not lower than o℃.
Bending radius allowed:for cables with outer diameters(D)lowerthan 25mm:not less than 4D;if the outer diameter is 25mm ormore,the bending radius shall not be less than 6D.
產(chǎn)品用途
USAGE
用途:本產(chǎn)品適用于交流額定電壓450/750V及以下動力，日用電器、儀器、儀表及控制用銅芯聚氯乙烯絕緣電線(電纜)。
Usage:This product is fit for power supply with rated AC voltage up to450/750V,or serves as copper core PVC insulated electric wiresfor daily electrical appliances,instruments and meters and control equipment.
技術(shù)性能及參數(shù)
Technical performances and parameters
1)導(dǎo)體均按GB/T3956-1997《電纜的導(dǎo)體》標(biāo)準(zhǔn)規(guī)定要求。
2)絕緣用聚氯乙烯材料要求，耐溫90℃電線電纜應(yīng)采用PVC/E型聚氯乙烯混合物材料，其余耐溫70℃的均用PVC/C型聚氯乙烯混合物材料擠包絕緣層。
3)內(nèi)護(hù)層采用非硫化型橡皮或塑料混合物擠包;護(hù)套層采用PvC/ST4型聚氯乙烯混物材料擠包。
4)產(chǎn)品性能要求及試驗(yàn)方法，按本標(biāo)準(zhǔn)(GB5023.1、2、3)規(guī)定，進(jìn)行檢測，全部通過則為合格品。
5)電纜(線)直流電阻及絕緣電阻(見表2)。
1)Allconductors follow the _requirements specified inGB/T3956-1997"cable conductors".
2)PVC for insulation:PVC/E for 90℃ wires and cables;PVC/C forthe rest with the temperature at 70℃.
3)Inner protecting layer adopts non-sulphurised rubber or plasticcomposite;sheath layer adopts PVC/ST4.
4)Product performances and test methods follow GB5023.1、2、3.
5)Refer to table 2 for DC resistance and insulating resistance ofthe cables.
交貨長度
Length of deliver
一般成卷或成盤交貨。交貨總長度中可配給的短段比例，按雙方合同協(xié)議商訂。
Usually delivered in rool of reel.In the full length of delivery,aproportion of short cables are allowed,subject to contract andnegotiation.
