Junction boxes, also known as electrical boxes, enclose wire connections. The electrical code requires wire connections to be enclosed primarily because loose connections increase the possibility of a fire hazard. Therefore, junction boxes are an essential piece of kit for electricians, whether they are working on a domestic or commercial installation.

Junction boxes are one of the most integral components of any electrical system. If you are an electrician, you might know the ins and outs of junction boxes. An electrical junction box accomplishes many great things regarding electrical wiring. 

You need to know several important factors before installing an electrical junction box. Some of these factors include understanding What amp junction box for lighting and finding the best junction boxes at Colshine Lighting. Here's everything you need to know about an electrical junction box.

Junction Boxes are a crucial part of electrical wiring systems, and you can use junction boxes for both households and commercial buildings. Junctions boxes come in metal or plastic, and this electrical junction box protects a building’s electrical connections. 

A junction box is also sometimes called a terminal box or a j-box. Inside the box-like structure, the electrical junction box houses all your wiring systems. Junctions boxes are a great protective and organisational tool. Almost every house or office has junction boxes installed in them. You can install junction boxes into the roof, concrete plaster, or walls. 

How Do Junction Boxes Work?

The electrical junction box acts as a communal meeting place for all your electrical wiring. Junction boxes are where your wiring meets before they reach the connection area. These junction boxes contain live (brown), blue (neutral), and earth (green or yellow) electrical wires. There may be some other wire colours for secondary purposes and lighting. 

In the electrical junction box, the electrical wire runs from the main electrical panel or a subpanel to the electrical junction box. Usually, the electrical wire is a non-metallic sheathed electrical wire commonly used for residential wiring units. 

Other electrical wires connect to the sheathed wire, and the power supply from these wires gets distributed to other fixture boxes. If you want to connect junction boxes successfully, you need to ensure that all the wire gauges or the sizes of the wire’s diameters are the same throughout. 

All junction boxes should be covered and installed correctly to ensure efficiency. It’s also important that you fit your junction boxes according to your building’s regulations codes, as failure to do so will result in wiring problems. The cover for junction boxes is important as it removes dust and dirt and prevents moisture from getting inside the box. 

The cover is also important for avoiding sparks that could ignite combustible materials in the event of a loose connection or short circuit. At Colshine Lighting, you can find a wide selection of junction boxes with strong cover cases. All the junction box covers are made from high-quality materials, so make your next junction box purchase at Colshine Lighting.