6、aticalcompose,amongothersincludeloadcalculation,illuminationcalculation.Themajoronesare lighting andsocketsystem plan layout, equipment selection,accordingtotheroomilluminationrequirementsofthedifferentilluminationcalculationbasedontheresultsofthecalcul
7、ation results choosethe appropriate lighting. Also on the supplyandlightningprotectiongroundingsystemdesign.Thepartofthelightcurrentmainlyincluding:CATV,elephoneandInternetsystemsandsoon.Thedesignaddsupto22electriccharts.(Including1Hand-drawncharts),The