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旧 Jun 25th, 2011, 01:19     #1
rht
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默认 250V排线-请教

之前Dryer在2楼,使用的250V四孔插头.现在搬到Basement, Breaker Panel(BP)附近.

问题请教:
我的想法是, 把以前供2楼的250V电线从BP摘下来,如法炮制, 换上一根新的电线, 一头就插在以前的Breaker上, 另外一头新安装一个250V的插孔.可行不?

问题出来了:
之前供2楼的电线被我从BP取下来后, 我用电笔去测试,竟然显示还带点, 这就神奇了.请大虾指 教.会不会是因为这根线是和BP出来的其他线捆在一起的,所以带有微电.(使用的是很便宜的电笔, 无需接触式)?
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旧 Jun 25th, 2011, 08:57   只看该作者   #2
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默认

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之前Dryer在2楼,使用的250V四孔插头.现在搬到Basement, Breaker Panel(BP)附近.

问题请教:
我的想法是, 把以前供2楼的250V电线从BP摘下来,如法炮制, 换上一根新的电线, 一头就插在以前的Breaker上, 另外一头新安装一个250V的插孔.可行不?...
是。感应电,非常非常弱,不用怕。最好能将摘下的电线两头用胶带缠上。

此帖于 Jun 25th, 2011 09:18 被 between my legs 编辑。

If I fall, can you let me down easy? ... ...
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旧 Jun 25th, 2011, 12:39   只看该作者   #3
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默认

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(使用的是很便宜的电笔, 无需接触式)?
大哥,只拿根电笔就敢拆电线,怎么也得有个万用表吧。
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旧 Jun 25th, 2011, 14:50   只看该作者   #4
rht
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默认

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是。感应电,非常非常弱,不用怕。最好能将摘下的电线两头用胶带缠上。
顺便再问一下,我看了House Elec Plan, Elec Range和Dryer是设计的Heavy Duty 220V, 那我就有个疑问了,那中国国内的洗衣机(220V)不就可以使用么?
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旧 Jun 25th, 2011, 14:51   只看该作者   #5
rht
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默认

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大哥,只拿根电笔就敢拆电线,怎么也得有个万用表吧。
, 战略上藐视,战术上重视.
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旧 Jun 25th, 2011, 15:16   只看该作者   #6
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默认

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顺便再问一下,我看了House Elec Plan, Elec Range和Dryer是设计的Heavy Duty 220V, 那我就有个疑问了,那中国国内的洗衣机(220V)不就可以使用么?
国内的洗衣机接上肯定能转,功能上一点问题没有,但是不安全,因为你必须把洗衣机插头的两个极接在dryer插座上的两个火线上才能得到240V的电。换句话说,这时洗衣机是接到两条火线上的,即使接地线,还是有安全隐患。
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旧 Jun 25th, 2011, 22:48   只看该作者   #7
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默认

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国内的洗衣机接上肯定能转,功能上一点问题没有,但是不安全,因为你必须把洗衣机插头的两个极接在dryer插座上的两个火线上才能得到240V的电。换句话说,这时洗衣机是接到两条火线上的,即使接地线,还是有安全隐患。
请问有什么安全隐患?
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旧 Jun 26th, 2011, 15:02   只看该作者   #8
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默认

确保地线没问题,确保负载前面正确安装漏电开关,就放心用。只有地线没有漏电保护装置是不行的。
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旧 Jun 26th, 2011, 20:41   只看该作者   #9
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请问有什么安全隐患?
最大的隐患是,即使你不用洗衣机时,洗衣机也是带电的。换句话说,洗衣机任何时候都带着电,因为零线也接在了火线上
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旧 Jun 26th, 2011, 21:55   只看该作者   #10
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最大的隐患是,即使你不用洗衣机时,洗衣机也是带电的。换句话说,洗衣机任何时候都带着电,因为零线也接在了火线上
没问题,加拿大民用220V都这么接,双火线,ESA标准就是这样。
洗衣机壳体是应该接地的,所以只要象楼上说的,地线接好,有漏电保护,就放心用。

国内电器的问题是,有的没地线
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旧 Jun 26th, 2011, 22:09   只看该作者   #11
between my legs
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没问题,加拿大民用220V都这么接,双火线,ESA标准就是这样。
洗衣机壳体是应该接地的,所以只要象楼上说的,地线接好,有漏电保护,就放心用。

国内电器的问题是,有的没地线
请注意,是洗衣机,不是电炉子或干衣机。洗衣机如果漏水或水溢出时双火线就有安全隐患了。当然,有漏电保护另当别论
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旧 Jun 28th, 2011, 19:59   只看该作者   #12
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默认

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作者: klatencor 查看帖子
没问题,加拿大民用220V都这么接,双火线,ESA标准就是这样。
洗衣机壳体是应该接地的,所以只要象楼上说的,地线接好,有漏电保护,就放心用。

国内电器的问题是,有的没地线
错,双火线和单火线电器的设计是不一样的。
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