Jushun - a reliable wire box manufacturer in China.
The main function of the junction box is to protect sensitive wire connections in any environment, including underground and outdoor, without being affected and working normally. You can require the enclosure to meet NEMA and IP ratings, making it suitable for outdoor use, as well as indoor use.

Junction Box
- Customizable sizes
- Customizable materials (steel, aluminum)
- Customizable accessories (hinged covers, screw-down covers, transparent covers, and knockouts)
- Variety of styles (knockouts, wall-mount, or pole-mount options)
- Mass production
- Short delivery time
- Export packaging
What is the purpose of a junction box?
Junction boxes protect wires from a variety of external interference, including: bad weather, small animals errantly gnawing and other things that can cause short circuits or expose wires. These conditions can cause wires to spark, which can cause electric shock and burns if touched by humans. Therefore, an important requirement for a junction box is its protection performance – it can protect people from electrical injuries and help prevent fires.
Feature Box
Moisture-proof
Security
Assembleable
Fire
prevention
Impact -resistant and durable
Weather and hazard resistance
What is the difference between an enclosure and a junction box?
A junction box is a container enclosure for connections, it is usually a combination of metal and plastic, but sometimes just metal. Our junction boxes include removable modules to aid installation. Also it has clear lids so that you can see the contents of the box without opening the box. But any little box can be an enclosure, they can be used in a range of applications such as mounting security cameras and housing industrial controls.


Metal Junction Box or Plastic Junction Box?
Jushun specializes in producing metal junction boxes. Our metal junction boxes also feature a flat covering for greater resistance to corrosion and rust. What’s more, metal has a good performance in hard-wearing and fire resistance. If you’re working with a metal clad cable that requires grounding, then a metal junction box is a good choice as well. Some types of non-metallic casings do not adhere to grounding regulations and local building codes, and some can’t handle the generated heat. If the cable is non-metallic, plastic junction box should be fine.
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