richardzhng 发表于 2011-12-12 19:38 ) | t. P/ a8 s7 ~' xare you sure it is three phases and one neutral, not three phases and a ground?
$ \. a: m9 Y# _! l+ C"are you sure it is three phases and one neutral, not three phases and a ground?"9 C" P: z/ E. z6 F( `1 B4 n0 n
9 J6 m6 X+ w) s. e8 W, g
6 g" |: j% p0 A$ D& iI am sure . Would you gave me some advice? thanks!
# S. I# `' t9 f& o O3 m
如果你的是煤气炉,电源功率不大,变压器不贵。二手的就更加便宜。( N3 G% S0 X2 R
如果你的是电炉,你这么做,不对不合法。没有必要省钱来使你的生意面临危险。如果你的烤箱坏了,那又要多少时间来修?损失更大。如果你自己接线引起事故,保险公司不会理赔你,而且会收到大额罚单。