I always disconnect my feedlines in the shack. I have short coax jumpers going to the equipment with inline coax connectors. I unscrew the feed lines at the inline coax connectors, and then lay the feedlines on the cement basement floor. I always disconnect when done playing radio, during the spring, summer, and fall. I usually leave them connected in the winter, unless there is a possibility of a snow storm, which sometimes can produce lightning. I have PowerPole connectors I installed, inside the house, on my rotor control line, and I disconnect that also, and lay it on the floor. If there is a strong storm coming, I will also unplug everything. I have Polyphaser lightning protectors where the coax enters the house. I am on a hill, with the second highest elevation in the county. About three years ago, I actually saw lightning strike my 160 meter dipole, when I was looking out the window during a storm. What are the chances of that? I saw the strike hit right where the coax attaches to the dipole. The coax burned off at that point. All the incoming utilities run underground, parallel to my dipole. No damage to my radio equipment, but it took out the lighting arrestor in my cable TV line. It also took out a GFCI receptacle in my aluminum framed sun room attached to the rear of my house. The coax from the dipole is attached to the opposite outside corner from that GFCI outlet. That was all the damage I could find. I was lucky. Last year my immediate neighbor who is not an Amateur Radio operator, took a direct strike to his house, and received $25,000 worth of damage to various electric and electronic equipment in his house. Damage to his security cameras, burglar alarm, furnace, computer equipment, router, and I don't know what else.