a standard threaded base housing insulation of an incandescent light bulb

amber ampere amps argon backdrop background brass bright brightness bulb carbon case cathode contact copper current electric electrical electricity electrons energy environment filament fit fitting fluorescent gas glass glow glowing halogen heat heating heats hot housing incandescent inert insulation isolated lamp light lightbulb lighting lit mercury mount neon oil phosphor photon pitch plasma product red reduction revolve rotate shine spiral standard thread threaded threads tungsten turn ultraviolet vacuum voltage wattage watts white wire yellow