They are installed in the UK system, the earth plug is on top. So if you combine them with others, you can see a visual difference.
Toldear Multi Plug Outlet 💡 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
Extender Xiaomi Mi Power Strip 3, XMCXB01QM, 3 sockets, 10A / 2500 W black 1.8 m
20 Review
4 Outlet Power Strip with 3 USB Charger Ports and 5ft Braided Cord 💡 - Flat Plug, Wall Mountable Desktop Charging Station for Home, Office, and Cruise Ship use.
12 Review
Allocacoc PowerCube ExtendedUSB, 4 Outlets, 2 USB Ports, 5 ft Cable, Mounting Dock, Surge Protection, Childproof Sockets, ETL Certified - Blue
12 Review
💻 Tupavco TP302 Ethernet Surge Protector (2 Pack) with PoE+ Gigabit and Gas Discharge Tube for Full Protection - RJ45 Lightning Suppressor - Mounting Flange - Ideal for LAN Network CAT5/CAT6 - Thunder Arrestor - GbE 1000 Mbps.
11 Review
BESTTEN Wall Outlet USB Charger: Surge Protector with LED Night Light, 4 USB Ports, 6 AC Outlets - ETL Listed, White
12 Review
Black 6 Outlet Surge Protector Power Strip with Rotating Flat Plug, 15A 120V, 4ft Cord
12 Review