Description
20mm Conduit Tee Box – Galvanised
This 20mm galvanised conduit tee box is designed for routing electrical wiring through 3-way conduit junctions, offering a robust and corrosion-resistant solution for professional installations. Formed from malleable iron and hot dipped galvanised to Class 4 standards, it’s ideal for industrial and commercial applications.
It features two tapped M4 holes for securing a lid (sold separately) and one tapped M4 hole at the base for an earth screw, ensuring electrical safety and continuity. With 23mm of internal depth and 27mm total height, it offers ample space for secure cable joins in compact installations. Fully compliant with BS EN 50086 standards.
Please note: Lid sold separately.
Key Specifications
- Fits: 20mm diameter conduit
- Height: 27mm
- Internal Depth: 23mm
- Material: Malleable iron
- Finish: Hot dip galvanised (Class 4 corrosion resistance)
- Fixings: 2 x M4 lid holes, 1 x M4 base earth screw hole
- Standards: BS EN 50086 compliant
- Lid sold separately
Benefits
- Creates a secure and weather-resistant T-junction
- Ideal for use in exposed or industrial environments
- Ensures long-lasting cable protection and routing
- Simple to install with standard conduit systems
- Meets BS EN 50086 for electrical safety and build quality
Typical Applications
- Electrical conduit systems with 3-way joins
- Industrial and commercial cable management
- Outdoor wiring needing corrosion resistance
- Construction site conduit layouts
Ordering & Delivery
✔ Trusted UK Delivery – 95% of orders dispatched within 24 hours
Most orders arrive within 1–2 working days as standard.
Note: Heavy or bulk orders, as well as any special cut length or non-standard products, may take slightly longer to dispatch.
For bulk quantities or trade pricing, please call our team on 0121 270 8507.

















