Incandescent Lamp Holders Are Designed For Indoor Use.
Incandescent Lamp Holders meet or exceed industry standards for long lasting durability. Lamp socket bases are Bayonet, Candelabra, Medium, Medium Twin, Miniature, Mogul, R7 and RX7. Voltages of 125V, 250V and 600V. Watts are 4, 75, 250, 600, 660, 1500 and 3000. Additional specifications vary per model.