Electrical Junction Boxes

Shop electrical junction boxes for cable joining, conduit routing and general electrical installations. Radiant Electrical Supplies stocks compact and large junction boxes plus 1-way, 2-way, 3-way and 4-way conduit junction boxes for a range of common installation layouts.

Small & Large Electrical Junction Boxes

Small and large enclosed junction boxes provide space for compatible cable terminations and joins. Selected NLS junction boxes include insulated screw connectors, while the larger box design provides additional internal working space where required.

1-Way, 2-Way, 3-Way & 4-Way Conduit Junction Boxes

Our conduit junction box range includes straight, U-type, 3-way and 4-way configurations. Choose the junction layout and conduit size that match the direction and arrangement required for the installation.

Junction Box FAQs

What is an electrical junction box used for?
A junction box provides an enclosure or connection point for compatible electrical cable or conduit joins, helping keep terminations organised and protected.

What is the difference between 1-way, 2-way, 3-way and 4-way junction boxes?
The description refers to the number and arrangement of conduit entry paths. Select the configuration that matches the required conduit direction.

How do I choose a junction box size?
Check the number and size of cables or conduits, connector space and the installation environment against the individual product specifications.

Browse related Electrical & Cable Connectors or the wider NLS electrical range.