China's #1 Asphalt Plant Manufacturer | D&G Machinery | Stock Code 1301.HK | Completely Road Construction Solutions Provider, Pursuing Excellence

Home / all / Maintenance /

The color of A, B, C three phase lines of AC three-phase circuit

The color of A, B, C three phase lines of AC three-phase circuit

Update Time:2020/8/15

IEC standards are distinguished by red, white and blue colors;National standards are yellow, green, red to distinguish.