richardzhng 发表于 2011-12-12 19:38 2 d: M8 S- g0 kare you sure it is three phases and one neutral, not three phases and a ground?
( B/ w. c* a5 `& X"are you sure it is three phases and one neutral, not three phases and a ground?"" m4 l8 X! I6 m @+ s9 |* [
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9 ^! e8 a4 F$ v& oI 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。$ X, C- \1 t. ^0 c4 ?& l
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。