Ashley J501 Terminal Downlighter Junction Box
The Ashley J501 16A Terminal Downlighter Junction Box is an essential trade accessory engineered specifically for the safe, reliable installation and wiring of recessed lighting circuits. Designed to bridge the gap between fixed loop-in mains wiring and the flexible cords of individual luminaires, this junction box simplifies complex ceiling void connections. Its compact, slimline profile is purposefully sized to pass effortlessly through a standard 58mm ceiling cut-out hole, making it ideal for both initial installation and future maintenance without requiring disruptive access.
Manufactured with installer convenience and safety in mind, the unit features a logical 3-plate terminal configuration complete with captive screws aligned on one side to maximize internal wiring room. Built-in, fully reversible cable clamps provide robust strain relief for both incoming and outgoing cables, anchoring them securely to prevent any tension on the internal connections. The clever hinged, snap-shut wrap-around lid ensures a secure closure on site, protecting the terminals from dust and accidental disturbance during the fitting process.
Complying with rigorous industry standards including BS EN 60670-22, this junction box guarantees a professional, regulation-compliant finish for domestic and commercial lighting arrays. Whether you are wiring a grid of downlights in a new residential extension or upgrading existing commercial fixtures, the Ashley J501 provides a neat, robust, and secure housing that safeguards electrical connections for the long term.
- Complies with BS EN 60670-22
- Fits through a 58mm diameter hole
- Cable clamps to prevent strain on terminations
- 3 plate terminal style with captive terminal screws
- Separate terminals for flexible cords
- 17th Edition Compliant














