Common types include:
- Standard junction boxes: Used for general wiring connections.
- Weatherproof junction boxes: Designed for outdoor use with protection against rain and moisture.
- Flush-mounted junction boxes: Installed inside walls for a neat finish.
- Surface-mounted junction boxes: Mounted on the surface of walls or ceilings, often used when wiring cannot be hidden.
- Metal junction boxes: Provide additional strength and are often used in commercial or industrial settings.