Procelain lamp holder: 1. E14, E26, E27, E39, E40 series 2. Certification: VDE, CQC.ISO,RoHS 3. OEM is available. 1. Product name ... : procelain lamp holder E27 F519E2. Certificate: VDE, CQC.ISO,RoHS3. Rated at 4A 500V 1.5KV ... ceramic lamp base,light holder, light base, e27 light holder,e27 light base,screw holder, screw base,e27 screw holder,e27 screw base,bakelite ...