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[问题求助] UL2464地线用单芯线来放的问题?

P:2010-07-10 16:05:26

1

请问一下,有没有人在抽UL2464等线材时,地线用单芯线来放的?UL标准可不可以用单芯线来放?

water absorption - 吸水性。绝缘或被覆材料吸收水份之重量与材料本身重量之比值。如以W0表示材料重量,W1 表示吸水后材料重量,则吸水量=W1-W0 /W0 (0) 投诉

P:2010-07-10 19:29:15

2

你的单芯线是什么意思?单根导体?如果是,当然可以了!没有要求的。

skin hole - (金属锭)表面气泡 (0) 投诉

P:2010-07-11 14:38:18

3

没有听明白意思

color coder - 彩色电视信号编码器,色码器 (0) 投诉

P:2010-07-11 19:53:12

4

没有要求的

call system cable - 呼叫系统用电缆 (0) 投诉

P:2010-07-16 14:10:04

5

Style 2464Jacketed Cable.

Rating80 deg C, 300 Vac, Cable flame.
InsulationLabeled or complying with manufacturer's AWM Procedure.
AssemblyTwo or more singles, twisted pairs of groups of twisted singles twisted together or singles or groups of singles may be laid parallel to form flat, oval or round cable. Lay not specified. Barrier layer and/or fillers optional. Manufacturer shall maintain a complete description of each assembly. May use same or mixed AWG size.
ShieldOptional.
CoveringOptional.
BraidOptional, provided over Jacket.
JacketPVC
Dia of Cable under jacketMin averageMinimum at any point
0.700 inch or less30 mils24 mils
0.701-1.000 inch45 mils36 mils
1.001-1.500 inch60 mils48 mils
1.501-2.500 inch80 mils64 mils
2.501-4.000 inch110 mils88 mils
4.001 inch and larger140 mils112 mils
StandardAppliance Wiring Material UL 758.

single twist closer - 单节距绞线机 (0) 投诉

P:2010-07-16 14:12:25

6

上面是UL2464的标准,你谈的问题是没有规定的,只要护套最小厚度和绝缘等级符合,结构你自己发挥.

PCM transmission cable - 脉码调制传输电缆,脉冲编码调制传输电缆 (0) 投诉

6


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