The best I have found so far* is a PVC 5 way side outlet with some short legs for stability and a tall sections based on how high you want to go. I wanted added

The best I have found so far* is a PVC 5 way side outlet with some short legs for stability and a tall sections based on how high you want to go. I wanted added stability to I made two per lighthouse, and a cross beam on top. Using some old go-pro accessories to attach. *You are right, you want it to be super stable, moving it while its plugged in can seriously damage it.