Product Info Catalog Electrical & Lighting Lamp & Fixture Parts Lamp Parts Incandescent 3-Way Metal Shell Lampholder Socket, Brass Finish, 250-Watt, 250-Volt Incandescent 3-Way Metal Shell Lampholder Socket, Brass Finish, 250-Watt, 250-Volt Request a Quote UPC: 785007864472 Manufacturer: Pass & Seymour SKU: 574267 Model Number: 7090PGBPCC5 250W, 250V, 3 Way Brass Finish Incandescent Turn Key Metal Shell Lamp Holder Socket, UL, Medium Base, Low, Medium, High, Electrolier 1.4-Inch Diameter.