Circular Box – Through (Two Way)
Malleable / cast iron two-way through box for 20, 25 and 32 mm conduit.
- Reference
- HE110-20 – HE110-32
- Material
- Cast Iron, Malleable Iron
- Finish
- Galvanised, Black Enamel, Hot Dip Galvanised
- Standard
- BS 4568 / BS EN 50086 / IEC 61386 Part 2
- Internal dimensions
- 60mm ø × 27.3mm deep (20mm) · 60mm ø × 30.6mm deep (25mm) · 75mm ø × 38mm deep (32mm)
- Fixing centre
- 50.8mm, tapped 2 BA (imperial) / M4 (metric) for 20 & 25mm; 71.5mm for 32mm; tapped hole in base for earthing screw
- Available colours
- Red, White
- Available sizes
- 3 sizes – see table
Technical specifications
| Material | Cast Iron, Malleable Iron |
|---|---|
| Finish | Galvanised, Black Enamel, Hot Dip Galvanised |
| Standard | BS 4568 / BS EN 50086 / IEC 61386 Part 2 |
| Internal dimensions | 60mm ø × 27.3mm deep (20mm) · 60mm ø × 30.6mm deep (25mm) · 75mm ø × 38mm deep (32mm) |
| Fixing centre | 50.8mm, tapped 2 BA (imperial) / M4 (metric) for 20 & 25mm; 71.5mm for 32mm; tapped hole in base for earthing screw |
| Available colours | Red, White |
| Supply | Supplied without cover & screw unless ordered |
Sizes & reference numbers
Bigger sizes available on request.



