Ceiling light fixture sockets Ceramic Lamp Holder:

E26, e27 250v 660w single circuit keyless Ceiling Sockets,
– Ceiling Sockets without Wire Chain
– 4 1/2″ outside diameter
– 125 Volts
Cooper Porcelain Keyless Ceiling Sockets White
Voltage:250V
Working: Current    4A
Material:    Porcelain/Ceramic
Metal Material:    Iron, aluminum, zinc alloy, copper plating, zinc plating,
Porcelain Body:    not glazed
Screw Shell:    E14 zinc-plating iron/copper-plating iron/brass/aluminum
Center Contact:    Copper/iron copper plating/stainless steel
Center Piece:    Copper/iron copper plating/stainless steel
Terminal:    Copper/zinc alloy
Contraction Screw: Copper/zinc alloy

Embedded anti-fire ceiling down light, includes a light source, halogen lamp  holder, the support frame and fire cover, connected with the lamp light source is mounted on the support frame, the support frame installed in a fireproof cover, fire has an outer flange at the bottom of the cover, characterized in that: mounted on the outer flange expandable fireproof apron.

Because fire dome is mounted on the outer flange expandable fireproof apron, the expandable fireproof apron instead of the original fixtures embedded waterproof seal and expandable fireproof material, thereby simplifying the structure of the utility model; and expandable fireproof apron water without distortion, so that the ceiling or wall is formed between the surface and the fire cover a tight space, protect the model has good moisture-proof, waterproof and fire functions.