I went out in search of Christmas lights.
Lights that someone else has already put out for display?
Or lights for your own use and edification?
For decorating my house. Had a lot of light strands fail me last year.
Ah, so. Once upon a time, I did exterior lights. Unhappily, my house electrical system could not quite handle the load of a fully decorated cedar tree outdoors and all my indoor lights.
Nothing major happened other than having switches shut off. I sacrificed the lit tree for the lit house.
It wasn't truly surprising since I was living in Italy at the time, and houses were not equipped for heavy electrical loads.