The LH0421 Leviton 30 is a durable, two-piece keyless lamp socket engineered for standard E26/E27 medium base light bulbs. Constructed from commercial-grade glazed porcelain, it offers high heat resistance and exceptional durability. It features a center hole for power cord routing along with screw terminals, ensuring straightforward wiring and mounting. Rated for up to 660W and 250V (or 600V depending on specific configuration), it is designed for heavy-duty industrial, commercial, or custom light fixture applications. The two-piece design allows secure surface mounting using the included 8-32 screws. Certified by UL and CSA, it provides reliable performance and safety for vintage restoration or modern fixture design.