The E27 Lampholders from Prolux are available in three variants: LHB-E27 Bakelite without an earth connector, LHB-E27E Bakelite with an earth connector, and LHP-E27 Porcelain with an optional L fixing bracket. These lampholders are designed for versatile use, compatible with 2-core wiring for the non-earthed version and 3-core wiring for the earthed version. The porcelain option offers added durability. Ideal for a range of lighting applications, these E27 lampholders provide reliability and flexibility in both residential and commercial settings, ensuring compatibility with E27 bulbs.