6、rlighteningsystematicalcompose,amongothersincludeloadcalculation,illuminationcalculation.Themajoronesare lighting andsocketsystem plan layout, equipment selection,accordingtotheroomilluminationrequirementsofthedifferentilluminationcalculationbasedontheresultsofth
7、ecalculation results choosethe appropriate lighting. Also on the supplyandlightningprotectiongroundingsystemdesign.Thepartofthelightcurrentmainlyincluding:CATV,elephoneandInternetsystemsandsoon,whichtheCATVandInternetplansarethekeydrawing.Thedesignaddsupto20elect