1. Scope of application
The product is manufactured according to RCC-E ""Nuclear island electric equipment design and construction rule"", IEC383 "" on site connector and connection piece type test of Grade 1E cable for nuclear power staion"", and is suitable for outer use cable of nuclear island in nuclear power station and other occasions which have high electric physical flame-retardant requirements of cable.                                                

2. Standard
The cable is manufactured according to company standard Q/320282 BND 052-2008.

3. Type of product
grade 1E, class K3 copper conductor XLPE insulated copper wire group braid screened polyolefin sheathed low smoke no halogen (class A or B) instrument cable for nuclear power station with rated voltage 300/500V
grade 1E, class K3 copper conductor XLPE insulated copper wire group braid screened XLPE sheathed low smoke no halogen (class A or B) instrument cable for nuclear power station with rated voltage 300/500V
grade 1E, class K3 copper conductor XLPE insulated aluminum-plastic compound tape group screened copper wire braid collective screened polyolefin sheathed low smoke no halogen (class A or B) instrument cable for nuclear power station with rated voltage 300/500V
grade 1E, class K3 copper conductor XLPE insulated aluminum-plastic compound tape group screened copper wire braid collective screened XLPE sheathed low smoke no halogen (class A or B) instrument cable for nuclear power station with rated voltage 300/500V
grade 1E, class K3 copper conductor XLPE insulated aluminum-plastic compound tape group screened polyolefin sheathed low smoke no halogen (class A or B) instrument cable for nuclear power station with rated voltage 300/500V
grade 1E, class K3 copper conductor XLPE insulated aluminum-plastic compound tape group screened XLPE sheathed low smoke no halogen (class A or B) instrument cable for nuclear power station with rated voltage 300/500V
grade 1E, class K3 copper conductor XLPE insulated copper wire group braid screened copper wire braid collective screened polyolefin sheathed low smoke no halogen (class A or B) instrument cable for nuclear power station with rated voltage 300/500V
grade 1E, class K3 copper conductor XLPE insulated copper wire group braid screened copper wire braid collective screened XLPE sheathed low smoke no halogen (class A or B) instrument cable for nuclear power station with rated voltage 300/500V
grade 1E, class K3 copper conductor XLPE insulated copper wire braid collective screened polyolefin sheathed low smoke no halogen (class A or B) instrument cable for nuclear power station with rated voltage 300/500V
grade 1E, class K3 copper conductor XLPE insulated copper wire braid collective screened XLPE sheathed low smoke no halogen (class A or B) instrument cable for nuclear power station with rated voltage 300/500V

4. Operating characteristics
1、Rated voltage U0/U is 300/500V
2、permissible continous operating temperature of conductor: 90℃
3、permissible short circuit temperature of conductor: no higher than 250℃, lasting time no longer than 5s
4、The ambient temperature of installation shall be no lower than 0℃.
5、Insulation adopts double layer structure.
6、Braid density of copper wire braid screen shall be no less than 80%.
7、Thermal life evaluation result of the cable shall meet the requiremen of working life no less than 40 years.
8、Complete cable shall pass the specified class B combustion for bunched cable test
9、Smoke density test of complete cable burning shall meet the requirement of GB/T17651.

5. Construction of cable