Junction Box - 5A - 4 Terminal - 59mm
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Product Information
Full details
The Knightsbridge 5A junction box is a versatile and compact electrical component designed for electricians and DIY enthusiasts working on low-voltage lighting installations. Its primary benefit is the flexible selective entry system, which allows for customizable cable routing in cramped spaces where standard boxes might not fit; however, users should note that the IP20 rating means it is strictly for indoor use and must be kept away from moisture.
All features
| Model Part Number | SN800 |
|---|---|
| Brand | Knightsbridge |
Extended Product Information
FAQs
Can I use this junction box outdoors?
No. This product has an IP20 rating, which means it provides no protection against water ingress and must be installed in dry, indoor locations only.
What is the maximum amperage for this box?
This junction box is rated for a maximum of 5A, making it ideal for low-voltage lighting systems.
How many cables can I connect?
The box features 4 terminals and a flexible entry system, allowing for 2 to 4 cable entry or exit points.
What are the physical dimensions of the unit?
The unit is 59mm in diameter and 25mm in height.
Does this box come with mounting screws?
The unit is primarily designed for wiring security; mounting hardware may vary based on your specific surface application.
Troubleshooting
Difficulty inserting cables into entry points
Ensure the selective entry tab is fully removed and the hole is clear of any plastic burrs or excess molding material.
Loose wire connection inside the box
Check that the wire is stripped to the correct length and the terminal screw is tightened securely against the copper conductor.
Pros and Cons
Pros
- Extremely compact size fits in tight spaces
- Flexible cable management with selective entry
- Reliable 5A capacity for lighting circuits
- High-quality build from a trusted brand
Cons
- Not suitable for outdoor or wet environments (IP20 rating)
- Limited to 5A, not suitable for high-load appliances
- Requires proper terminal screw tightening to ensure safety
Setup, Compatibility & Care
- Preparation: Ensure power is isolated at the mains before starting any electrical work.
- Entry Selection: Identify the number of cables required and open the necessary entry points on the junction box casing.
- Wiring: Strip the wires to the appropriate length and secure them firmly into the 4-terminal block using a screwdriver.
- Mounting: Use the provided space within the box to neatly arrange the cables, ensuring no copper is exposed outside the terminals.
- Maintenance: Periodically check that terminal screws remain tight, especially in installations subject to vibration. Clean only with a dry, lint-free cloth, ensuring no moisture enters the unit.