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[问题求助] 屏蔽多股跳线中的地线

P:2011-03-01 08:20:34

1

屏蔽多股跳线中的地线是单股还是多股的?

cobble shears - 废品剪,废线剪 (0) 投诉

P:2011-03-01 08:35:28

2

UL444规定多股

bus bar - 汇流排,母线 (0) 投诉

P:2011-03-01 08:45:57

3

谢谢

high-speed digital subscriber line - 高速数字用户线 (0) 投诉

P:2011-03-01 09:09:14

4

我UL444里没找到,能告诉我是哪个条款吗?

slotted core structure - 骨架式结构,开槽芯结构(光纤的) (0) 投诉

P:2011-03-01 09:42:19

5

5.9.2 Where used, the shield(s) shall be electrically continuous and shall comply with the test
requirements of Clause 6.2. To facilitate electrical bonding to ground of the shield(s), a continuous
uninsulated, uncoated or metal coated, solid or stranded, copper conductor (drain wire) may be placed in
contact with the shield(s). Uncoated copper drain wires shall not be used when aluminum-faced tape is
used as a shield.

digitally programmable modem - 可编程序的数字调制解调器,可编程序的数字式调制解调器 (0) 投诉

P:2011-03-01 09:48:52

6

这没说屏蔽跳线的地线一定要用多股的啊

VHSIC - very high scale integrated circuit特大规模集成电路 (0) 投诉

P:2011-03-01 09:51:47

7

呵呵还有点记错了,应该是单股和多股都可以

low tension cable - 低压电缆,低压线 (0) 投诉

P:2011-03-01 10:04:58

8

额,这跳线结构有哪些标准啊?

fiooded corrugated steel armor - 浸涂式皱纹钢丝铠装,浸涂式皱纹钢带铠装 (0) 投诉

P:2011-03-03 16:02:50

9

没有听说哪个标准对这个有规定,我们实际做的时候,单股和多股都可以,主要取决于加工方便及线村品质方面的考量!

pressure test method at high temperature for insulation - 绝缘高温压力试验方法,绝缘护套高温压力试验方法 (0) 投诉

9


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