Technical Requirement of Ground Wires
1.Each group of ground resistance must beless than 5ohm by measuring with ground meter.
2.The safety wires (ground wires in extruders and downstream line) are 35mm2 ,
there is one piece of ground cable for each electrical cabinet,6 pieces ground cable ,
the length of each cable is made accord ing to machine site .
3.The anti-interference wire is 10mm2 , the length of each is madeaccording to machine site .
4.Three positions ground wires for extruders are 35mm2 copper conductor in series .