1.CM fire rating
CM is currently the most commonly used flame retardant level for cable cable. Its test standard is UL 1581. According to the definition, a small bundle of Cm-class cable cable will...
The full name of RVV cable is light copper core polyvinyl chloride insulated polyvinyl chloride sheathed flexible cable, also known as light PVC sheathed flexible wire, commonly known as soft sheat...