你所说的不合法。$ ]% o; h. D! [, o2 \6 U! r. w
看你的电压等级,需要一点照片,如果有充足的信息,我可以告诉你怎么做。1 o( ~: M' l ?0 b, }1 E c5 f
最好去找个正规公司做 1 H# w7 A$ w8 F/ @: e. M" z% }5 D 3 V. _ n) s4 |naxb1000@yahoo.ca
richardzhng 发表于 2011-12-12 19:38 ! `! W0 B9 U: f9 W2 b
are you sure it is three phases and one neutral, not three phases and a ground?
% R. O4 A. @/ ^"are you sure it is three phases and one neutral, not three phases and a ground?") U/ Z. v0 ~* u4 \# t* P' x
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I am sure . Would you gave me some advice? thanks!