5、mainlyincluding:thedistributionsystemofthelowvoltage,lightingsystemandroundingforlighteningsystematicalcompose,amongothersincludeloadcalculation,illuminationcalculation.Themajoronesare lighting andsocketsystem plan layout, equipment selection,accordingtotheroomilluminationrequirementsofthedifferent
6、illuminationcalculationbasedontheresultsofthecalculation results choosethe appropriate lighting. Also on the supplyandlightningprotectiongroundingsystemdesign.Thepartofthelightcurrentmainlyincluding:CATV,elephoneandInternetsystemsandsoon.Thedesignaddsupto22electriccharts.(Including1Hand-drawncharts