COB Connectors & Reflectors BJB COB Connectors and Reflectors offer easy and durable installation of Chip-on-Board (COB) LED modules. Designed for a wide range of COB modules, they feature push wire technology, high-strength, blue-light-resistant plastics, and corrosion and wear-resistant contact materials. Wire entry on one or both sides of the connectors, embedded contacts with silver-plated contact points, and pre-assembly fixing springs facilitate automated assembly processes. BJB features an extensive range of reflector and optic accessories available, luminaire manufacturers can assemble finished modules for spot and downlights quickly and easily.