The bulkhead has a E27 | ES | Edison Screw lamp holder inside and has an external cable gland entry.
Perfect for a nautical or vintage industrial look.
It has 3 decorative thumb wing style nuts to hold the cover on so no need for tools.
Included in the box is a pack of screws/wall plugs and instructions from manufacturer.
IP Rating: IP64
Max Wattage: 90W
Diameter excluding cover fixing points: 190mm
Max Cable diameter Approx: 7mm