I have got a low voltage.

我这里的电压很低。

Never assume low voltage cannot be dangerous.

决不能认为低压电没危险。

They are safe to use because they only need low voltage.

它们使用安全，因为它们只需要很低的电压。

Magnetic interference can be a problem in low voltage circuits.

磁干扰亦会成为低压电路中的一个问题。

Is a professional producer and exporter of low voltage electrical business.

是一家专业生产和出口低压电器的企业之一。