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 long-term allowable cable current rate refers to the current value when the current in the cable passes through, and the temperature of the cable conductor reaches the long-term allowable opera...
1. Check the certification mark.Products that have obtained compulsory certification shall be marked with the certification mark, namely “CCC” mark, otherwise, they shall be regarded as...
