Type + Name + Useful scope YQ -0.3/0.3 + Light type rubber-sheathed + used in light mobile electric equipment YQW -0.3/0.3 soft cable and tools YZ-0.3/0.5 + Middle type rubber-sheathed + Used in all kinds mabile electric equipment YZW-0.3/0.5 Soft Cable YC-0.45/0.75 + Heavy type Rubber-sheathed + Used in all kinds mobile electric equipment YCW-0.45/0.75 Soft Cable can suffer heavy machinery power /SCAW