I used an 11 gauge steel electric fence for my ground wire but the crimp connector slips and won't hold. So I made a small piece of solid aluminum that screws onto the lightning rod to hold the ground wire securely in place. The screw on the surge arrester is M4x0.7. See photos.
Black 6 Outlet Surge Protector Power Strip with Rotating Flat Plug, 15A 120V, 4ft Cord
12 Review
Allocacoc PowerCube ExtendedUSB, 4 Outlets, 2 USB Ports, 5 ft Cable, Mounting Dock, Surge Protection, Childproof Sockets, ETL Certified - Blue
12 Review
BESTTEN Wall Outlet USB Charger: Surge Protector with LED Night Light, 4 USB Ports, 6 AC Outlets - ETL Listed, White
12 Review
Southwire 34930 Surge Guard 30A: Full Protection Portable with LCD Display - Superior Safety in Sleek Black Design
12 Review
Extender Xiaomi Mi Power Strip 3, XMCXB01QM, 3 sockets, C/C, 10A / 2500 W white 1.8 m
30 Review
Toldear Multi Plug Outlet π‘ Extender with Rotating Plug - White
12 Review
Tripp Lite TLP1008TEL 10 Outlet Surge Protector Power Strip with 8ft Cord, Tel/DSL Protection, RJ11 and $150,000 Insurance - Silver
12 Review
Xiaomi Power Strip Surge Protector 3 Sockets 3 USB Black
26 Review