richardzhng 发表于 2011-12-12 19:38 - q- O0 I* A: Care you sure it is three phases and one neutral, not three phases and a ground?
- r6 f, X" Y/ z; M: E3 G) H9 Y8 u"are you sure it is three phases and one neutral, not three phases and a ground?" 7 L5 p6 T3 n) c1 [- K" g9 W4 _ 8 T7 `+ }. `6 a. R/ v& p7 d0 L # N& F' e) C+ {, WI am sure . Would you gave me some advice? thanks!
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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。7 ]) {: ]- U N
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。