Rubberinsulation cable used in the field

1.Executive standard

JB1543-75

2.Usage

This product is used in the foeld fir ac vo1tage 500Vor do voltage 1000V to connect the power supply of shifting electric appliances.

3.Exploitation conditions

Working temperature should be-45 to50 and the allowed working temperature for cab1e cores is 65 .

4.ModeI,specification and technoIogical data

5.Technological property

a.Finished cable cores should be able to bear ac 50Hz1000Vvoltage test for 5minutes.

b.This DCresistance of condudtive core ofthe cab1e shouldbe inkeeping wiith the rules in table l.km

c.If conductive resistance of the finished of the finished cab1e coreisexchanged to tem-perature 20 ,itshou1e not be smaller than50MΩ/km.