QWORK 6 Pack Lamp Holder E26 Medium Base, White Ceiling Light Sockets for Incandescent & LED Bulbs, 600V/660W

UNIVERSAL BOX COMPATIBILITY: Designed with versatile mounting slots to fit both 3-1/4 inch and 4 inch ceiling junction boxes. These lamp holders provide a seamless fit for standard electrical boxes. | HEAT-RESISTANT PHENOLIC RESIN: Constructed with heavy-duty phenolic resin that effectively manages heat. Rated for up to 660 Watts and 250 Volts, ensuring reliable performance for high-wattage lighting. | VERSATILE E26 MEDIUM BASE: Works with all standard E26 screw-in bulbs, including LED, CFL, incandescent, and halogen. Ideal for illuminating utility rooms, workshops, basements, and storage areas. | QUICK WIRE INSTALLATION: Features top-mounted screw terminals for efficient wiring and secure connections. The two-piece design allows for fast mounting to existing ceiling boxes controlled by wall switches. | 6-PIECE BULK VALUE PACK: Each package contains 6 white keyless ceiling lamp holders and mounting screws. Please note that light bulbs are not included; intended for professional or DIY electrical projects.