💡 MULTI-BULB CONTROL: 3-terminal, 2-circuit design for controlling two separate light bulbs or sets of bulbs. 🏠 VERSATILE USE: Ideal for fixtures with multiple bulbs that need separate control. 🔌 MEDIUM/STANDARD BULB SIZE: Compatible with medium or standard size bulbs. 🔧 EASY REPLACEMENT: Designed to replace existing lamp socket interiors. 💪 DURABLE CONSTRUCTION: Constructed from high-quality materials for dependable performance. Upgrade your lighting fixtures with this 4-pack of 3-Terminal 2-Circuit Lamp Socket Interiors. Featuring a 3-terminal, 2-circuit design, these interiors allow for control of two separate light bulbs or sets of bulbs within the same fixture. Each interior is compatible with medium or standard size bulbs and is designed for easy replacement of existing lamp socket interiors. Constructed from durable materials, these lamp socket interiors ensure reliable performance for your lighting projects.