Profile: H H Fluorescent Parts, Inc. is a manufacturer of lamp holders. We also produce components for fluorescent lighting industries. Our products include a complete line of bi-pin, single-pin, and recessed double contact fluorescent lamp holders. We provide starter bases & sockets, along with two and three wire convenience outlets. We specialize in T-5, T-8, T-12 harness sets, jumper sets or cut wire, with or without grounding lugs with custom design.