Other articles of graphite or other carbon for electrical purposes: arc-lamp carbons, carbon rods that carry an electric arc to give very bright light in projectors and searchlights.

State diameter, length and copper coating, and pack in cartons with dividers because carbon rods break easily. Insulators and electrical insulating parts are fragile or brittle: pack in wooden crates or cartons with straw or foam dividers, state voltage class, creepage distance, mechanical strength and material (porcelain, glass, polymer), provide IEC 60383, IEC 60137 or ASTM test reports, and ship on pallets with strapping.