Materials: Brass, Copper Shade. A “Bulkhead Light” is a rugged and versatile outdoor lighting fixture known for its durability and nautical-inspired design. Bulkhead lights typically have a circular or oval shape and are designed for durability in challenging outdoor environments. They are known for their robust construction, making them suitable for areas exposed to the elements. The design is often inspired by nautical or industrial aesthetics and includes features like a protective cage or a textured glass or plastic diffuser.