1. Manufacturing standard: GB5023-1997 or JB8734-1998.

2. Application: The products are used for fixed installation in electric equipment and house building, rated voltages up to & including 450/750V.

3. Environmental conditions:
1)The max continuous operating temperature of 2271EC 07(BV-90) and 2271EC 08(RV-90) can not over 90º C, and other types shall not exceed 70º C in common.
2)Installation temperature of the cables shall not be lower than 0º C.
3)The bending radius of the cable:
When outer diameter D<25mm, the bending radius should bigger than 4D; When outer diameter D>=25mm, the bending radius should bigger than 6D.