Ikelite 9104.55 Bulkhead Assembly, Unassembled, 7/8 in Body
The o-ring sealed system is easy to connect and disconnect, is waterproof and pressure proof up to 300 feet (80 m), but is NOT pluggable underwater.
The current rating of the system is 12V at 10 amp.
Supplied as an unassembled collection of parts.